OSI Systems Inc NASDAQ:OSIS Historical Prices

Below are the 6359 trading days of historical prices for OSIS.

#	Exchange	Symbol	Date	Open	High	Low	Close
6359	NASDAQ	OSIS	Wed, Jan 18, 2023	89.09	90.09	87.76	88.80
6358	NASDAQ	OSIS	Tue, Jan 17, 2023	87.90	89.81	87.90	88.85
6357	NASDAQ	OSIS	Fri, Jan 13, 2023	85.69	87.98	85.56	87.95
6356	NASDAQ	OSIS	Thu, Jan 12, 2023	84.42	86.22	84.23	86.20
6355	NASDAQ	OSIS	Wed, Jan 11, 2023	83.56	84.29	82.52	84.27
6354	NASDAQ	OSIS	Tue, Jan 10, 2023	81.41	83.23	81.07	82.89
6353	NASDAQ	OSIS	Mon, Jan 9, 2023	81.23	82.18	80.96	81.13
6352	NASDAQ	OSIS	Fri, Jan 6, 2023	79.82	80.99	78.94	80.76
6351	NASDAQ	OSIS	Thu, Jan 5, 2023	79.52	79.85	78.35	78.99
6350	NASDAQ	OSIS	Wed, Jan 4, 2023	80.55	80.85	79.28	79.52
6349	NASDAQ	OSIS	Tue, Jan 3, 2023	80.12	80.66	79.47	80.13
6348	NASDAQ	OSIS	Fri, Dec 30, 2022	79.58	80.05	79.14	79.52
6347	NASDAQ	OSIS	Thu, Dec 29, 2022	78.69	80.27	78.00	80.27
6346	NASDAQ	OSIS	Wed, Dec 28, 2022	80.09	80.15	77.77	77.95
6345	NASDAQ	OSIS	Tue, Dec 27, 2022	79.96	80.54	78.81	79.86
6344	NASDAQ	OSIS	Fri, Dec 23, 2022	79.40	79.93	78.98	79.64
6343	NASDAQ	OSIS	Thu, Dec 22, 2022	80.90	80.90	78.02	79.41
6342	NASDAQ	OSIS	Wed, Dec 21, 2022	80.50	81.47	80.42	81.06
6341	NASDAQ	OSIS	Tue, Dec 20, 2022	79.55	79.96	78.06	79.93
6340	NASDAQ	OSIS	Mon, Dec 19, 2022	79.68	80.30	78.50	79.19
6339	NASDAQ	OSIS	Fri, Dec 16, 2022	80.21	80.21	78.35	79.59
6338	NASDAQ	OSIS	Thu, Dec 15, 2022	82.46	83.13	79.92	80.38
6337	NASDAQ	OSIS	Wed, Dec 14, 2022	84.99	85.41	83.32	83.51
6336	NASDAQ	OSIS	Tue, Dec 13, 2022	86.33	87.37	84.73	84.79
6335	NASDAQ	OSIS	Mon, Dec 12, 2022	84.97	85.30	84.01	84.75
6334	NASDAQ	OSIS	Fri, Dec 9, 2022	84.65	85.39	84.48	84.94
6333	NASDAQ	OSIS	Thu, Dec 8, 2022	84.20	85.03	83.43	84.87
6332	NASDAQ	OSIS	Wed, Dec 7, 2022	85.45	86.47	83.91	83.91
6331	NASDAQ	OSIS	Tue, Dec 6, 2022	88.07	88.07	85.49	85.83
6330	NASDAQ	OSIS	Mon, Dec 5, 2022	89.64	90.12	87.40	87.90
6329	NASDAQ	OSIS	Fri, Dec 2, 2022	89.55	90.37	89.06	90.21
6328	NASDAQ	OSIS	Thu, Dec 1, 2022	89.18	90.71	89.14	90.52
6327	NASDAQ	OSIS	Wed, Nov 30, 2022	87.43	88.68	85.90	88.48
6326	NASDAQ	OSIS	Tue, Nov 29, 2022	88.73	89.21	87.21	87.85
6325	NASDAQ	OSIS	Mon, Nov 28, 2022	89.04	89.40	88.18	88.69
6324	NASDAQ	OSIS	Fri, Nov 25, 2022	89.28	90.00	88.70	89.36
6323	NASDAQ	OSIS	Wed, Nov 23, 2022	88.99	89.66	88.58	88.95
6322	NASDAQ	OSIS	Tue, Nov 22, 2022	89.08	89.52	88.13	88.67
6321	NASDAQ	OSIS	Mon, Nov 21, 2022	88.00	88.73	87.71	88.42
6320	NASDAQ	OSIS	Fri, Nov 18, 2022	89.27	89.27	87.84	88.13
6319	NASDAQ	OSIS	Thu, Nov 17, 2022	87.02	88.21	86.61	88.17
6318	NASDAQ	OSIS	Wed, Nov 16, 2022	87.60	88.11	87.12	87.78
6317	NASDAQ	OSIS	Tue, Nov 15, 2022	86.96	88.34	85.91	88.15
6316	NASDAQ	OSIS	Mon, Nov 14, 2022	88.09	88.62	85.79	85.82
6315	NASDAQ	OSIS	Fri, Nov 11, 2022	87.93	89.44	87.63	88.06
6314	NASDAQ	OSIS	Thu, Nov 10, 2022	86.92	88.18	84.77	87.46
6313	NASDAQ	OSIS	Wed, Nov 9, 2022	84.91	87.29	83.61	84.57
6312	NASDAQ	OSIS	Tue, Nov 8, 2022	85.53	88.12	84.74	85.23
6311	NASDAQ	OSIS	Mon, Nov 7, 2022	84.77	85.52	84.06	84.98
6310	NASDAQ	OSIS	Fri, Nov 4, 2022	84.06	85.38	83.82	85.06
6309	NASDAQ	OSIS	Thu, Nov 3, 2022	82.79	83.81	82.30	83.63
6308	NASDAQ	OSIS	Wed, Nov 2, 2022	83.25	85.00	82.69	83.67
6307	NASDAQ	OSIS	Tue, Nov 1, 2022	82.66	83.37	81.37	83.25
6306	NASDAQ	OSIS	Mon, Oct 31, 2022	81.19	82.63	80.98	82.18
6305	NASDAQ	OSIS	Fri, Oct 28, 2022	80.32	83.47	79.99	81.84
6304	NASDAQ	OSIS	Thu, Oct 27, 2022	79.19	82.37	79.19	80.41
6303	NASDAQ	OSIS	Wed, Oct 26, 2022	77.67	79.34	77.24	78.42
6302	NASDAQ	OSIS	Tue, Oct 25, 2022	75.88	77.86	75.88	77.50
6301	NASDAQ	OSIS	Mon, Oct 24, 2022	75.00	75.76	74.83	75.52
6300	NASDAQ	OSIS	Fri, Oct 21, 2022	72.11	74.66	72.10	74.39
6299	NASDAQ	OSIS	Thu, Oct 20, 2022	71.52	72.32	70.86	71.69
6298	NASDAQ	OSIS	Wed, Oct 19, 2022	72.20	72.20	70.46	71.73
6297	NASDAQ	OSIS	Tue, Oct 18, 2022	72.84	73.69	72.59	72.79
6296	NASDAQ	OSIS	Mon, Oct 17, 2022	71.49	73.03	71.45	72.11
6295	NASDAQ	OSIS	Fri, Oct 14, 2022	72.68	73.02	70.62	70.83
6294	NASDAQ	OSIS	Thu, Oct 13, 2022	70.22	73.07	69.31	72.16
6293	NASDAQ	OSIS	Wed, Oct 12, 2022	71.35	72.21	70.69	71.11
6292	NASDAQ	OSIS	Tue, Oct 11, 2022	71.41	72.22	70.80	71.65
6291	NASDAQ	OSIS	Mon, Oct 10, 2022	72.10	72.50	70.97	71.30
6290	NASDAQ	OSIS	Fri, Oct 7, 2022	73.34	73.61	71.28	71.75
6289	NASDAQ	OSIS	Thu, Oct 6, 2022	74.79	75.36	74.07	74.19
6288	NASDAQ	OSIS	Wed, Oct 5, 2022	74.68	75.54	74.36	74.79
6287	NASDAQ	OSIS	Tue, Oct 4, 2022	74.76	76.99	74.09	75.48
6286	NASDAQ	OSIS	Mon, Oct 3, 2022	72.78	74.17	72.48	73.74
6285	NASDAQ	OSIS	Fri, Sep 30, 2022	73.80	74.55	72.02	72.06
6284	NASDAQ	OSIS	Thu, Sep 29, 2022	73.03	73.76	72.02	73.76
6283	NASDAQ	OSIS	Wed, Sep 28, 2022	73.65	74.27	72.82	73.93
6282	NASDAQ	OSIS	Tue, Sep 27, 2022	74.31	77.40	72.64	73.07
6281	NASDAQ	OSIS	Mon, Sep 26, 2022	74.43	75.03	73.46	73.79
6280	NASDAQ	OSIS	Fri, Sep 23, 2022	75.43	75.43	73.37	74.49
6279	NASDAQ	OSIS	Thu, Sep 22, 2022	78.16	78.66	76.21	76.21
6278	NASDAQ	OSIS	Wed, Sep 21, 2022	79.30	80.08	78.37	78.42
6277	NASDAQ	OSIS	Tue, Sep 20, 2022	80.05	80.05	77.76	79.08
6276	NASDAQ	OSIS	Mon, Sep 19, 2022	79.20	80.67	78.25	80.09
6275	NASDAQ	OSIS	Fri, Sep 16, 2022	81.32	81.82	76.06	77.54
6274	NASDAQ	OSIS	Thu, Sep 15, 2022	81.01	82.34	81.01	82.13
6273	NASDAQ	OSIS	Wed, Sep 14, 2022	81.52	82.05	80.92	81.42
6272	NASDAQ	OSIS	Tue, Sep 13, 2022	80.54	81.46	80.50	81.06
6271	NASDAQ	OSIS	Mon, Sep 12, 2022	79.97	83.37	79.87	81.79
6270	NASDAQ	OSIS	Fri, Sep 9, 2022	77.64	79.68	77.64	79.27
6269	NASDAQ	OSIS	Thu, Sep 8, 2022	78.58	78.58	75.67	77.26
6268	NASDAQ	OSIS	Wed, Sep 7, 2022	79.96	80.36	78.52	78.97
6267	NASDAQ	OSIS	Tue, Sep 6, 2022	81.58	81.58	78.25	79.65
6266	NASDAQ	OSIS	Fri, Sep 2, 2022	83.23	83.62	80.74	81.21
6265	NASDAQ	OSIS	Thu, Sep 1, 2022	82.66	82.86	81.80	82.28
6264	NASDAQ	OSIS	Wed, Aug 31, 2022	83.32	84.12	82.24	83.32
6263	NASDAQ	OSIS	Tue, Aug 30, 2022	85.07	85.07	83.06	83.45
6262	NASDAQ	OSIS	Mon, Aug 29, 2022	86.77	87.15	84.36	85.06
6261	NASDAQ	OSIS	Fri, Aug 26, 2022	90.11	90.11	86.96	87.05
6260	NASDAQ	OSIS	Thu, Aug 25, 2022	89.04	91.37	89.04	89.72
6259	NASDAQ	OSIS	Wed, Aug 24, 2022	89.16	89.16	87.81	88.49
6258	NASDAQ	OSIS	Tue, Aug 23, 2022	91.88	92.39	88.84	89.14
6257	NASDAQ	OSIS	Mon, Aug 22, 2022	93.90	94.41	91.97	92.21
6256	NASDAQ	OSIS	Fri, Aug 19, 2022	97.04	98.86	94.06	94.80
6255	NASDAQ	OSIS	Thu, Aug 18, 2022	101.01	103.17	100.09	102.15
6254	NASDAQ	OSIS	Wed, Aug 17, 2022	100.13	101.80	99.58	100.99
6253	NASDAQ	OSIS	Tue, Aug 16, 2022	99.50	101.30	99.50	100.91
6252	NASDAQ	OSIS	Mon, Aug 15, 2022	99.28	100.04	97.30	99.82
6251	NASDAQ	OSIS	Fri, Aug 12, 2022	98.44	100.00	98.44	99.65
6250	NASDAQ	OSIS	Thu, Aug 11, 2022	98.34	98.81	97.58	98.67
6249	NASDAQ	OSIS	Wed, Aug 10, 2022	98.84	98.84	96.91	97.55
6248	NASDAQ	OSIS	Tue, Aug 9, 2022	96.23	98.56	95.88	97.73
6247	NASDAQ	OSIS	Mon, Aug 8, 2022	95.64	96.32	95.02	96.14
6246	NASDAQ	OSIS	Fri, Aug 5, 2022	94.80	95.35	93.89	94.97
6245	NASDAQ	OSIS	Thu, Aug 4, 2022	95.49	96.33	94.62	95.14
6244	NASDAQ	OSIS	Wed, Aug 3, 2022	95.71	96.44	94.49	95.75
6243	NASDAQ	OSIS	Tue, Aug 2, 2022	96.07	96.76	95.25	95.42
6242	NASDAQ	OSIS	Mon, Aug 1, 2022	96.23	97.03	95.77	96.44
6241	NASDAQ	OSIS	Fri, Jul 29, 2022	95.40	96.89	95.20	96.67
6240	NASDAQ	OSIS	Thu, Jul 28, 2022	93.89	95.63	93.56	95.41
6239	NASDAQ	OSIS	Wed, Jul 27, 2022	92.87	93.81	92.52	93.76
6238	NASDAQ	OSIS	Tue, Jul 26, 2022	92.18	92.39	91.04	92.32
6237	NASDAQ	OSIS	Mon, Jul 25, 2022	93.48	93.48	91.65	92.04
6236	NASDAQ	OSIS	Fri, Jul 22, 2022	93.47	93.94	92.36	93.13
6235	NASDAQ	OSIS	Thu, Jul 21, 2022	91.70	93.65	91.70	93.58
6234	NASDAQ	OSIS	Wed, Jul 20, 2022	90.73	92.27	90.73	92.20
6233	NASDAQ	OSIS	Tue, Jul 19, 2022	88.92	91.23	88.92	90.94
6232	NASDAQ	OSIS	Mon, Jul 18, 2022	89.45	90.58	88.06	88.26
6231	NASDAQ	OSIS	Fri, Jul 15, 2022	88.37	89.38	87.80	89.13
6230	NASDAQ	OSIS	Thu, Jul 14, 2022	87.11	87.74	86.01	87.74
6229	NASDAQ	OSIS	Wed, Jul 13, 2022	86.28	88.67	86.28	87.77
6228	NASDAQ	OSIS	Tue, Jul 12, 2022	88.16	89.81	87.20	87.22
6227	NASDAQ	OSIS	Mon, Jul 11, 2022	87.78	89.26	87.30	88.64
6226	NASDAQ	OSIS	Fri, Jul 8, 2022	87.45	88.12	86.98	87.94
6225	NASDAQ	OSIS	Thu, Jul 7, 2022	87.13	88.00	86.49	87.48
6224	NASDAQ	OSIS	Wed, Jul 6, 2022	86.61	87.71	85.60	86.88
6223	NASDAQ	OSIS	Tue, Jul 5, 2022	85.55	86.78	84.31	86.68
6222	NASDAQ	OSIS	Fri, Jul 1, 2022	85.30	86.50	84.29	86.49
6221	NASDAQ	OSIS	Thu, Jun 30, 2022	84.43	86.35	84.21	85.44
6220	NASDAQ	OSIS	Wed, Jun 29, 2022	85.23	85.25	84.26	84.98
6219	NASDAQ	OSIS	Tue, Jun 28, 2022	86.61	87.38	85.13	85.24
6218	NASDAQ	OSIS	Mon, Jun 27, 2022	85.28	86.35	84.99	86.35
6217	NASDAQ	OSIS	Fri, Jun 24, 2022	83.53	85.28	83.42	84.90
6216	NASDAQ	OSIS	Thu, Jun 23, 2022	84.28	86.17	82.56	83.52
6215	NASDAQ	OSIS	Wed, Jun 22, 2022	81.79	84.11	81.68	83.78
6214	NASDAQ	OSIS	Tue, Jun 21, 2022	81.80	82.85	80.83	82.24
6213	NASDAQ	OSIS	Fri, Jun 17, 2022	82.02	83.35	80.32	80.84
6212	NASDAQ	OSIS	Thu, Jun 16, 2022	83.33	84.08	80.80	81.07
6211	NASDAQ	OSIS	Wed, Jun 15, 2022	83.13	84.70	82.56	84.26
6210	NASDAQ	OSIS	Tue, Jun 14, 2022	84.90	85.03	82.07	82.37
6209	NASDAQ	OSIS	Mon, Jun 13, 2022	84.81	85.84	84.10	84.97
6208	NASDAQ	OSIS	Fri, Jun 10, 2022	84.69	86.48	84.49	85.99
6207	NASDAQ	OSIS	Thu, Jun 9, 2022	86.82	86.82	85.65	85.74
6206	NASDAQ	OSIS	Wed, Jun 8, 2022	86.21	87.28	85.97	86.24
6205	NASDAQ	OSIS	Tue, Jun 7, 2022	85.29	86.99	85.29	86.73
6204	NASDAQ	OSIS	Mon, Jun 6, 2022	84.81	86.18	84.29	85.98
6203	NASDAQ	OSIS	Fri, Jun 3, 2022	84.38	84.94	83.78	84.53
6202	NASDAQ	OSIS	Thu, Jun 2, 2022	83.53	85.11	83.52	85.04
6201	NASDAQ	OSIS	Wed, Jun 1, 2022	84.03	84.27	82.50	83.37
6200	NASDAQ	OSIS	Tue, May 31, 2022	84.38	84.46	82.81	83.92
6199	NASDAQ	OSIS	Fri, May 27, 2022	83.18	84.52	82.33	84.52
6198	NASDAQ	OSIS	Thu, May 26, 2022	81.90	83.96	81.90	82.85
6197	NASDAQ	OSIS	Wed, May 25, 2022	81.72	82.45	80.88	81.43
6196	NASDAQ	OSIS	Tue, May 24, 2022	82.70	82.80	79.77	82.16
6195	NASDAQ	OSIS	Mon, May 23, 2022	80.90	82.60	80.36	82.60
6194	NASDAQ	OSIS	Fri, May 20, 2022	81.25	81.25	79.56	80.30
6193	NASDAQ	OSIS	Thu, May 19, 2022	82.03	82.03	80.42	80.94
6192	NASDAQ	OSIS	Wed, May 18, 2022	83.05	83.76	82.15	82.59
6191	NASDAQ	OSIS	Tue, May 17, 2022	82.39	83.87	81.74	83.86
6190	NASDAQ	OSIS	Mon, May 16, 2022	81.21	82.66	81.12	81.60
6189	NASDAQ	OSIS	Fri, May 13, 2022	80.20	81.43	80.04	81.21
6188	NASDAQ	OSIS	Thu, May 12, 2022	77.83	80.00	77.13	79.88
6187	NASDAQ	OSIS	Wed, May 11, 2022	78.46	80.19	78.06	78.55
6186	NASDAQ	OSIS	Tue, May 10, 2022	79.64	80.46	77.41	78.45
6185	NASDAQ	OSIS	Mon, May 9, 2022	80.14	80.81	79.04	79.27
6184	NASDAQ	OSIS	Fri, May 6, 2022	79.08	80.79	78.01	80.76
6183	NASDAQ	OSIS	Thu, May 5, 2022	80.92	81.06	78.57	79.34
6182	NASDAQ	OSIS	Wed, May 4, 2022	79.08	81.47	78.82	81.18
6181	NASDAQ	OSIS	Tue, May 3, 2022	78.10	79.31	77.02	78.62
6180	NASDAQ	OSIS	Mon, May 2, 2022	78.86	79.58	77.29	78.29
6179	NASDAQ	OSIS	Fri, Apr 29, 2022	78.48	81.12	78.41	79.10
6178	NASDAQ	OSIS	Thu, Apr 28, 2022	78.10	79.01	76.09	76.88
6177	NASDAQ	OSIS	Wed, Apr 27, 2022	77.01	78.18	76.55	77.39
6176	NASDAQ	OSIS	Tue, Apr 26, 2022	78.99	79.76	77.44	77.55
6175	NASDAQ	OSIS	Mon, Apr 25, 2022	79.27	80.51	78.36	79.53
6174	NASDAQ	OSIS	Fri, Apr 22, 2022	81.14	81.47	79.49	79.49
6173	NASDAQ	OSIS	Thu, Apr 21, 2022	82.06	82.98	81.02	81.14
6172	NASDAQ	OSIS	Wed, Apr 20, 2022	81.39	82.50	81.24	81.31
6171	NASDAQ	OSIS	Tue, Apr 19, 2022	79.97	81.52	79.97	80.78
6170	NASDAQ	OSIS	Mon, Apr 18, 2022	80.57	81.09	79.50	79.98
6169	NASDAQ	OSIS	Thu, Apr 14, 2022	81.52	81.69	80.33	80.78
6168	NASDAQ	OSIS	Wed, Apr 13, 2022	80.88	81.95	80.88	81.26
6167	NASDAQ	OSIS	Tue, Apr 12, 2022	81.14	82.59	80.70	81.08
6166	NASDAQ	OSIS	Mon, Apr 11, 2022	80.72	81.41	79.93	80.58
6165	NASDAQ	OSIS	Fri, Apr 8, 2022	82.07	82.27	80.43	80.64
6164	NASDAQ	OSIS	Thu, Apr 7, 2022	81.55	82.40	81.09	82.01
6163	NASDAQ	OSIS	Wed, Apr 6, 2022	81.55	82.32	80.86	81.55
6162	NASDAQ	OSIS	Tue, Apr 5, 2022	83.93	84.13	81.49	81.66
6161	NASDAQ	OSIS	Mon, Apr 4, 2022	85.16	85.22	83.54	83.79
6160	NASDAQ	OSIS	Fri, Apr 1, 2022	85.46	86.45	83.84	85.21
6159	NASDAQ	OSIS	Thu, Mar 31, 2022	85.27	85.90	84.65	85.12
6158	NASDAQ	OSIS	Wed, Mar 30, 2022	85.94	86.63	85.40	85.55
6157	NASDAQ	OSIS	Tue, Mar 29, 2022	84.32	86.45	83.82	86.09
6156	NASDAQ	OSIS	Mon, Mar 28, 2022	84.00	84.36	83.00	83.32
6155	NASDAQ	OSIS	Fri, Mar 25, 2022	83.41	84.39	83.26	84.32
6154	NASDAQ	OSIS	Thu, Mar 24, 2022	84.21	84.46	83.11	83.31
6153	NASDAQ	OSIS	Wed, Mar 23, 2022	85.92	86.30	83.82	83.97
6152	NASDAQ	OSIS	Tue, Mar 22, 2022	85.34	86.68	85.34	86.30
6151	NASDAQ	OSIS	Mon, Mar 21, 2022	85.32	86.21	84.67	85.33
6150	NASDAQ	OSIS	Fri, Mar 18, 2022	83.60	85.24	83.22	85.24
6149	NASDAQ	OSIS	Thu, Mar 17, 2022	82.96	84.45	82.96	84.03
6148	NASDAQ	OSIS	Wed, Mar 16, 2022	83.75	84.41	82.15	82.92
6147	NASDAQ	OSIS	Tue, Mar 15, 2022	81.38	83.57	81.38	83.49
6146	NASDAQ	OSIS	Mon, Mar 14, 2022	80.94	81.57	80.17	80.91
6145	NASDAQ	OSIS	Fri, Mar 11, 2022	80.62	80.98	79.83	80.34
6144	NASDAQ	OSIS	Thu, Mar 10, 2022	79.68	80.43	78.77	80.42
6143	NASDAQ	OSIS	Wed, Mar 9, 2022	81.14	81.84	79.11	80.50
6142	NASDAQ	OSIS	Tue, Mar 8, 2022	82.83	83.37	79.96	80.07
6141	NASDAQ	OSIS	Mon, Mar 7, 2022	81.95	83.35	81.24	82.18
6140	NASDAQ	OSIS	Fri, Mar 4, 2022	80.89	82.08	80.87	81.74
6139	NASDAQ	OSIS	Thu, Mar 3, 2022	81.40	81.56	80.84	81.49
6138	NASDAQ	OSIS	Wed, Mar 2, 2022	79.74	81.37	79.31	81.23
6137	NASDAQ	OSIS	Tue, Mar 1, 2022	80.38	81.01	78.64	79.67
6136	NASDAQ	OSIS	Mon, Feb 28, 2022	79.93	80.86	79.79	80.67
6135	NASDAQ	OSIS	Fri, Feb 25, 2022	79.65	80.71	79.36	80.37
6134	NASDAQ	OSIS	Thu, Feb 24, 2022	77.04	79.80	76.35	79.63
6133	NASDAQ	OSIS	Wed, Feb 23, 2022	80.58	80.58	78.08	78.24
6132	NASDAQ	OSIS	Tue, Feb 22, 2022	80.56	81.02	79.56	80.37
6131	NASDAQ	OSIS	Fri, Feb 18, 2022	80.08	80.99	80.08	80.74
6130	NASDAQ	OSIS	Thu, Feb 17, 2022	80.24	80.70	79.31	80.36
6129	NASDAQ	OSIS	Wed, Feb 16, 2022	82.30	82.30	80.00	81.05
6128	NASDAQ	OSIS	Tue, Feb 15, 2022	80.71	82.08	80.71	81.95
6127	NASDAQ	OSIS	Mon, Feb 14, 2022	80.18	81.19	79.48	80.27
6126	NASDAQ	OSIS	Fri, Feb 11, 2022	80.85	81.48	79.50	80.08
6125	NASDAQ	OSIS	Thu, Feb 10, 2022	82.06	83.04	80.77	80.94
6124	NASDAQ	OSIS	Wed, Feb 9, 2022	82.35	83.36	82.15	83.07
6123	NASDAQ	OSIS	Tue, Feb 8, 2022	79.54	82.24	79.03	82.05
6122	NASDAQ	OSIS	Mon, Feb 7, 2022	79.02	80.40	78.67	79.64
6121	NASDAQ	OSIS	Fri, Feb 4, 2022	80.00	80.44	78.63	79.03
6120	NASDAQ	OSIS	Thu, Feb 3, 2022	82.40	82.93	80.05	80.10
6119	NASDAQ	OSIS	Wed, Feb 2, 2022	82.88	82.88	81.93	82.55
6118	NASDAQ	OSIS	Tue, Feb 1, 2022	82.26	83.39	81.01	83.12
6117	NASDAQ	OSIS	Mon, Jan 31, 2022	81.37	83.20	81.29	82.94
6116	NASDAQ	OSIS	Fri, Jan 28, 2022	82.42	84.01	81.24	81.91
6115	NASDAQ	OSIS	Thu, Jan 27, 2022	83.59	85.87	79.72	81.84
6114	NASDAQ	OSIS	Wed, Jan 26, 2022	85.46	87.34	83.23	83.65
6113	NASDAQ	OSIS	Tue, Jan 25, 2022	87.58	87.58	83.68	85.26
6112	NASDAQ	OSIS	Mon, Jan 24, 2022	85.93	88.22	85.03	88.02
6111	NASDAQ	OSIS	Fri, Jan 21, 2022	86.15	88.14	86.15	86.59
6110	NASDAQ	OSIS	Thu, Jan 20, 2022	88.11	88.57	86.16	86.51
6109	NASDAQ	OSIS	Wed, Jan 19, 2022	88.45	89.12	87.62	87.67
6108	NASDAQ	OSIS	Tue, Jan 18, 2022	89.98	89.98	87.70	88.16
6107	NASDAQ	OSIS	Fri, Jan 14, 2022	88.75	90.06	88.75	89.67
6106	NASDAQ	OSIS	Thu, Jan 13, 2022	89.58	89.95	88.49	88.80
6105	NASDAQ	OSIS	Wed, Jan 12, 2022	91.08	91.57	89.00	89.20
6104	NASDAQ	OSIS	Tue, Jan 11, 2022	91.64	91.64	89.50	90.70
6103	NASDAQ	OSIS	Mon, Jan 10, 2022	91.14	92.12	90.99	91.48
6102	NASDAQ	OSIS	Fri, Jan 7, 2022	93.20	93.78	90.88	91.25
6101	NASDAQ	OSIS	Thu, Jan 6, 2022	94.12	94.67	93.65	93.66
6100	NASDAQ	OSIS	Wed, Jan 5, 2022	94.51	95.63	94.03	94.12
6099	NASDAQ	OSIS	Tue, Jan 4, 2022	93.99	95.00	93.85	94.40
6098	NASDAQ	OSIS	Mon, Jan 3, 2022	93.45	94.23	92.22	93.71
6097	NASDAQ	OSIS	Fri, Dec 31, 2021	93.17	93.60	92.28	93.20
6096	NASDAQ	OSIS	Thu, Dec 30, 2021	93.20	94.44	92.87	93.23
6095	NASDAQ	OSIS	Wed, Dec 29, 2021	92.84	93.51	92.26	93.17
6094	NASDAQ	OSIS	Tue, Dec 28, 2021	93.07	93.60	92.18	92.55
6093	NASDAQ	OSIS	Mon, Dec 27, 2021	92.59	94.55	91.74	92.76
6092	NASDAQ	OSIS	Thu, Dec 23, 2021	92.36	92.53	88.57	92.28
6091	NASDAQ	OSIS	Wed, Dec 22, 2021	91.58	92.19	90.31	92.02
6090	NASDAQ	OSIS	Tue, Dec 21, 2021	90.99	92.36	90.76	91.86
6089	NASDAQ	OSIS	Mon, Dec 20, 2021	89.82	90.57	88.16	90.35
6088	NASDAQ	OSIS	Fri, Dec 17, 2021	91.39	92.84	89.97	90.68
6087	NASDAQ	OSIS	Thu, Dec 16, 2021	93.79	95.10	91.32	91.57
6086	NASDAQ	OSIS	Wed, Dec 15, 2021	92.10	93.80	87.97	93.71
6085	NASDAQ	OSIS	Tue, Dec 14, 2021	91.72	92.64	91.20	92.13
6084	NASDAQ	OSIS	Mon, Dec 13, 2021	92.38	92.77	91.44	91.94
6083	NASDAQ	OSIS	Fri, Dec 10, 2021	92.69	93.98	92.60	92.84
6082	NASDAQ	OSIS	Thu, Dec 9, 2021	93.08	93.66	92.40	92.47
6081	NASDAQ	OSIS	Wed, Dec 8, 2021	93.14	93.83	92.87	93.20
6080	NASDAQ	OSIS	Tue, Dec 7, 2021	93.55	94.08	92.60	92.92
6079	NASDAQ	OSIS	Mon, Dec 6, 2021	89.21	93.03	89.21	92.99
6078	NASDAQ	OSIS	Fri, Dec 3, 2021	89.80	90.25	88.60	89.00
6077	NASDAQ	OSIS	Thu, Dec 2, 2021	88.59	90.08	88.57	89.87
6076	NASDAQ	OSIS	Wed, Dec 1, 2021	91.95	92.14	88.30	88.46
6075	NASDAQ	OSIS	Tue, Nov 30, 2021	89.95	91.79	88.69	90.93
6074	NASDAQ	OSIS	Mon, Nov 29, 2021	91.92	92.09	90.48	90.50
6073	NASDAQ	OSIS	Fri, Nov 26, 2021	91.98	92.78	90.57	91.21
6072	NASDAQ	OSIS	Wed, Nov 24, 2021	94.43	94.83	93.35	93.55
6071	NASDAQ	OSIS	Tue, Nov 23, 2021	95.10	95.50	93.86	94.43
6070	NASDAQ	OSIS	Mon, Nov 22, 2021	95.31	96.38	94.50	94.95
6069	NASDAQ	OSIS	Fri, Nov 19, 2021	94.81	96.07	94.81	95.16
6068	NASDAQ	OSIS	Thu, Nov 18, 2021	97.43	97.72	94.97	95.12
6067	NASDAQ	OSIS	Wed, Nov 17, 2021	97.00	97.87	96.97	97.45
6066	NASDAQ	OSIS	Tue, Nov 16, 2021	96.42	97.71	95.98	97.25
6065	NASDAQ	OSIS	Mon, Nov 15, 2021	96.00	96.43	95.52	96.43
6064	NASDAQ	OSIS	Fri, Nov 12, 2021	95.88	96.07	95.23	95.51
6063	NASDAQ	OSIS	Thu, Nov 11, 2021	95.26	96.05	95.08	95.62
6062	NASDAQ	OSIS	Wed, Nov 10, 2021	95.14	95.54	95.14	95.45
6061	NASDAQ	OSIS	Tue, Nov 9, 2021	95.24	95.62	94.69	95.15
6060	NASDAQ	OSIS	Mon, Nov 8, 2021	96.31	96.91	94.84	95.14
6059	NASDAQ	OSIS	Fri, Nov 5, 2021	94.59	96.16	93.43	95.96
6058	NASDAQ	OSIS	Thu, Nov 4, 2021	93.89	94.20	93.06	93.96
6057	NASDAQ	OSIS	Wed, Nov 3, 2021	92.45	94.42	91.68	93.65
6056	NASDAQ	OSIS	Tue, Nov 2, 2021	92.74	93.80	92.00	92.76
6055	NASDAQ	OSIS	Mon, Nov 1, 2021	92.88	93.72	91.64	92.16
6054	NASDAQ	OSIS	Fri, Oct 29, 2021	94.11	94.34	92.79	93.11
6053	NASDAQ	OSIS	Thu, Oct 28, 2021	98.00	98.88	90.16	94.11
6052	NASDAQ	OSIS	Wed, Oct 27, 2021	93.89	94.95	93.07	94.78
6051	NASDAQ	OSIS	Tue, Oct 26, 2021	94.80	95.30	94.08	94.12
6050	NASDAQ	OSIS	Mon, Oct 25, 2021	95.15	95.56	94.31	94.90
6049	NASDAQ	OSIS	Fri, Oct 22, 2021	95.57	96.20	94.97	95.05
6048	NASDAQ	OSIS	Thu, Oct 21, 2021	94.86	95.79	94.74	95.58
6047	NASDAQ	OSIS	Wed, Oct 20, 2021	94.63	95.86	94.32	94.78
6046	NASDAQ	OSIS	Tue, Oct 19, 2021	94.59	94.88	93.79	94.48
6045	NASDAQ	OSIS	Mon, Oct 18, 2021	94.57	95.27	94.14	94.16
6044	NASDAQ	OSIS	Fri, Oct 15, 2021	96.09	96.43	94.88	94.90
6043	NASDAQ	OSIS	Thu, Oct 14, 2021	94.83	96.03	94.59	95.33
6042	NASDAQ	OSIS	Wed, Oct 13, 2021	95.46	95.54	94.22	94.75
6041	NASDAQ	OSIS	Tue, Oct 12, 2021	95.80	96.93	95.50	95.56
6040	NASDAQ	OSIS	Mon, Oct 11, 2021	97.44	97.95	95.52	95.69
6039	NASDAQ	OSIS	Fri, Oct 8, 2021	96.56	97.53	96.12	97.23
6038	NASDAQ	OSIS	Thu, Oct 7, 2021	96.98	97.94	95.96	96.25
6037	NASDAQ	OSIS	Wed, Oct 6, 2021	95.25	96.22	94.59	96.06
6036	NASDAQ	OSIS	Tue, Oct 5, 2021	95.84	97.29	95.58	95.74
6035	NASDAQ	OSIS	Mon, Oct 4, 2021	95.80	96.58	93.99	95.87
6034	NASDAQ	OSIS	Fri, Oct 1, 2021	94.90	96.22	93.99	95.96
6033	NASDAQ	OSIS	Thu, Sep 30, 2021	95.41	96.00	94.73	94.80
6032	NASDAQ	OSIS	Wed, Sep 29, 2021	95.04	95.61	94.10	95.09
6031	NASDAQ	OSIS	Tue, Sep 28, 2021	95.40	96.07	94.48	94.71
6030	NASDAQ	OSIS	Mon, Sep 27, 2021	94.04	95.69	94.04	95.23
6029	NASDAQ	OSIS	Fri, Sep 24, 2021	93.43	94.44	93.43	94.08
6028	NASDAQ	OSIS	Thu, Sep 23, 2021	93.27	94.18	92.50	93.76
6027	NASDAQ	OSIS	Wed, Sep 22, 2021	91.74	93.16	91.21	92.71
6026	NASDAQ	OSIS	Tue, Sep 21, 2021	93.26	93.59	91.08	91.27
6025	NASDAQ	OSIS	Mon, Sep 20, 2021	92.38	93.10	91.37	92.80
6024	NASDAQ	OSIS	Fri, Sep 17, 2021	92.85	93.88	92.16	93.19
6023	NASDAQ	OSIS	Thu, Sep 16, 2021	93.31	93.60	91.68	92.85
6022	NASDAQ	OSIS	Wed, Sep 15, 2021	93.09	93.96	92.39	93.18
6021	NASDAQ	OSIS	Tue, Sep 14, 2021	94.90	94.90	92.84	93.30
6020	NASDAQ	OSIS	Mon, Sep 13, 2021	95.28	96.03	93.89	94.44
6019	NASDAQ	OSIS	Fri, Sep 10, 2021	96.93	96.93	94.92	95.01
6018	NASDAQ	OSIS	Thu, Sep 9, 2021	96.72	97.35	95.65	96.73
6017	NASDAQ	OSIS	Wed, Sep 8, 2021	97.40	97.90	96.18	96.49
6016	NASDAQ	OSIS	Tue, Sep 7, 2021	97.58	97.88	96.61	97.78
6015	NASDAQ	OSIS	Fri, Sep 3, 2021	99.15	99.15	95.86	97.92
6014	NASDAQ	OSIS	Thu, Sep 2, 2021	97.66	99.85	97.09	99.46
6013	NASDAQ	OSIS	Wed, Sep 1, 2021	98.76	98.76	96.85	97.63
6012	NASDAQ	OSIS	Tue, Aug 31, 2021	98.63	99.68	98.25	98.94
6011	NASDAQ	OSIS	Mon, Aug 30, 2021	99.23	99.53	98.33	98.74
6010	NASDAQ	OSIS	Fri, Aug 27, 2021	97.83	99.54	97.66	98.70
6009	NASDAQ	OSIS	Thu, Aug 26, 2021	96.50	98.19	96.50	97.86
6008	NASDAQ	OSIS	Wed, Aug 25, 2021	98.22	98.74	97.23	98.00
6007	NASDAQ	OSIS	Tue, Aug 24, 2021	98.18	98.60	97.30	97.83
6006	NASDAQ	OSIS	Mon, Aug 23, 2021	100.00	100.27	98.10	98.33
6005	NASDAQ	OSIS	Fri, Aug 20, 2021	98.90	100.94	98.52	99.89
6004	NASDAQ	OSIS	Thu, Aug 19, 2021	99.99	100.35	97.56	99.14
6003	NASDAQ	OSIS	Wed, Aug 18, 2021	98.43	101.40	98.25	100.77
6002	NASDAQ	OSIS	Tue, Aug 17, 2021	100.13	100.45	98.65	98.88
6001	NASDAQ	OSIS	Mon, Aug 16, 2021	100.41	101.26	99.96	100.65
6000	NASDAQ	OSIS	Fri, Aug 13, 2021	100.47	100.75	99.27	100.75
5999	NASDAQ	OSIS	Thu, Aug 12, 2021	101.27	101.27	99.50	100.07
5998	NASDAQ	OSIS	Wed, Aug 11, 2021	100.24	101.36	100.24	101.33
5997	NASDAQ	OSIS	Tue, Aug 10, 2021	99.42	100.00	99.09	99.61
5996	NASDAQ	OSIS	Mon, Aug 9, 2021	98.46	101.00	97.84	98.73
5995	NASDAQ	OSIS	Fri, Aug 6, 2021	97.08	98.43	96.38	98.06
5994	NASDAQ	OSIS	Thu, Aug 5, 2021	96.86	96.94	96.08	96.45
5993	NASDAQ	OSIS	Wed, Aug 4, 2021	98.00	98.27	96.01	96.26
5992	NASDAQ	OSIS	Tue, Aug 3, 2021	98.38	99.16	97.52	98.27
5991	NASDAQ	OSIS	Mon, Aug 2, 2021	100.12	100.65	97.87	98.08
5990	NASDAQ	OSIS	Fri, Jul 30, 2021	99.65	100.43	99.38	100.05
5989	NASDAQ	OSIS	Thu, Jul 29, 2021	99.95	100.39	99.62	99.88
5988	NASDAQ	OSIS	Wed, Jul 28, 2021	98.32	99.80	97.50	99.41
5987	NASDAQ	OSIS	Tue, Jul 27, 2021	97.90	98.76	96.46	98.55
5986	NASDAQ	OSIS	Mon, Jul 26, 2021	95.75	97.27	95.75	97.15
5985	NASDAQ	OSIS	Fri, Jul 23, 2021	95.07	95.62	93.78	95.48
5984	NASDAQ	OSIS	Thu, Jul 22, 2021	96.53	96.73	94.60	94.79
5983	NASDAQ	OSIS	Wed, Jul 21, 2021	96.11	97.04	96.08	96.56
5982	NASDAQ	OSIS	Tue, Jul 20, 2021	94.61	96.89	94.61	95.88
5981	NASDAQ	OSIS	Mon, Jul 19, 2021	96.19	96.77	94.22	94.59
5980	NASDAQ	OSIS	Fri, Jul 16, 2021	98.37	98.37	96.33	97.05
5979	NASDAQ	OSIS	Thu, Jul 15, 2021	98.63	98.83	97.09	97.67
5978	NASDAQ	OSIS	Wed, Jul 14, 2021	99.48	100.23	98.69	99.04
5977	NASDAQ	OSIS	Tue, Jul 13, 2021	99.53	100.20	98.57	98.85
5976	NASDAQ	OSIS	Mon, Jul 12, 2021	99.93	100.04	99.00	99.99
5975	NASDAQ	OSIS	Fri, Jul 9, 2021	99.85	100.55	99.52	100.07
5974	NASDAQ	OSIS	Thu, Jul 8, 2021	98.27	99.85	98.27	99.47
5973	NASDAQ	OSIS	Wed, Jul 7, 2021	100.08	100.54	98.71	99.32
5972	NASDAQ	OSIS	Tue, Jul 6, 2021	99.95	101.04	98.55	99.91
5971	NASDAQ	OSIS	Fri, Jul 2, 2021	101.09	101.09	100.08	100.24
5970	NASDAQ	OSIS	Thu, Jul 1, 2021	101.64	101.64	99.81	100.53
5969	NASDAQ	OSIS	Wed, Jun 30, 2021	100.13	101.80	100.13	101.64
5968	NASDAQ	OSIS	Tue, Jun 29, 2021	100.76	100.95	99.62	100.13
5967	NASDAQ	OSIS	Mon, Jun 28, 2021	100.93	100.93	99.56	100.40
5966	NASDAQ	OSIS	Fri, Jun 25, 2021	99.19	100.65	99.11	100.44
5965	NASDAQ	OSIS	Thu, Jun 24, 2021	98.31	98.84	97.29	98.84
5964	NASDAQ	OSIS	Wed, Jun 23, 2021	98.27	98.56	97.71	97.72
5963	NASDAQ	OSIS	Tue, Jun 22, 2021	98.95	99.11	97.24	98.37
5962	NASDAQ	OSIS	Mon, Jun 21, 2021	99.02	100.26	98.09	99.20
5961	NASDAQ	OSIS	Fri, Jun 18, 2021	101.14	101.14	98.17	98.36
5960	NASDAQ	OSIS	Thu, Jun 17, 2021	101.75	102.16	100.69	101.96
5959	NASDAQ	OSIS	Wed, Jun 16, 2021	100.92	102.24	99.89	101.75
5958	NASDAQ	OSIS	Tue, Jun 15, 2021	98.23	100.65	97.96	100.59
5957	NASDAQ	OSIS	Mon, Jun 14, 2021	98.11	99.81	97.75	97.94
5956	NASDAQ	OSIS	Fri, Jun 11, 2021	96.98	98.38	96.98	98.21
5955	NASDAQ	OSIS	Thu, Jun 10, 2021	96.65	97.25	96.55	96.93
5954	NASDAQ	OSIS	Wed, Jun 9, 2021	96.00	97.10	96.00	96.46
5953	NASDAQ	OSIS	Tue, Jun 8, 2021	96.38	96.45	95.13	96.06
5952	NASDAQ	OSIS	Mon, Jun 7, 2021	97.02	97.58	95.63	96.33
5951	NASDAQ	OSIS	Fri, Jun 4, 2021	97.25	97.25	96.39	96.96
5950	NASDAQ	OSIS	Thu, Jun 3, 2021	95.63	97.53	95.04	97.11
5949	NASDAQ	OSIS	Wed, Jun 2, 2021	96.98	97.88	95.67	96.15
5948	NASDAQ	OSIS	Tue, Jun 1, 2021	96.91	97.42	95.41	96.77
5947	NASDAQ	OSIS	Fri, May 28, 2021	97.02	97.48	95.44	96.36
5946	NASDAQ	OSIS	Thu, May 27, 2021	97.14	97.88	96.66	96.68
5945	NASDAQ	OSIS	Wed, May 26, 2021	95.78	96.68	94.92	96.58
5944	NASDAQ	OSIS	Tue, May 25, 2021	95.81	95.81	94.72	95.49
5943	NASDAQ	OSIS	Mon, May 24, 2021	95.65	95.78	94.18	95.36
5942	NASDAQ	OSIS	Fri, May 21, 2021	95.25	95.71	94.05	95.14
5941	NASDAQ	OSIS	Thu, May 20, 2021	94.45	95.38	94.43	95.17
5940	NASDAQ	OSIS	Wed, May 19, 2021	93.38	95.01	92.45	94.73
5939	NASDAQ	OSIS	Tue, May 18, 2021	95.48	96.36	94.24	94.25
5938	NASDAQ	OSIS	Mon, May 17, 2021	95.07	96.08	95.07	95.57
5937	NASDAQ	OSIS	Fri, May 14, 2021	95.32	96.25	92.62	95.64
5936	NASDAQ	OSIS	Thu, May 13, 2021	92.50	95.30	92.50	94.87
5935	NASDAQ	OSIS	Wed, May 12, 2021	95.60	96.44	91.95	92.22
5934	NASDAQ	OSIS	Tue, May 11, 2021	94.84	96.72	94.12	95.98
5933	NASDAQ	OSIS	Mon, May 10, 2021	96.49	96.75	95.37	95.79
5932	NASDAQ	OSIS	Fri, May 7, 2021	96.76	97.68	93.58	96.48
5931	NASDAQ	OSIS	Thu, May 6, 2021	95.44	96.92	94.36	96.78
5930	NASDAQ	OSIS	Wed, May 5, 2021	95.00	95.99	94.60	95.34
5929	NASDAQ	OSIS	Tue, May 4, 2021	95.80	95.97	94.10	94.65
5928	NASDAQ	OSIS	Mon, May 3, 2021	96.79	96.79	95.37	95.60
5927	NASDAQ	OSIS	Fri, Apr 30, 2021	97.27	97.98	95.84	96.57
5926	NASDAQ	OSIS	Thu, Apr 29, 2021	98.40	101.48	95.71	96.88
5925	NASDAQ	OSIS	Wed, Apr 28, 2021	100.30	101.78	99.71	100.89
5924	NASDAQ	OSIS	Tue, Apr 27, 2021	100.64	101.66	100.00	100.86
5923	NASDAQ	OSIS	Mon, Apr 26, 2021	99.44	101.00	98.77	99.80
5922	NASDAQ	OSIS	Fri, Apr 23, 2021	98.08	99.95	97.65	99.21
5921	NASDAQ	OSIS	Thu, Apr 22, 2021	97.94	99.21	96.80	97.76
5920	NASDAQ	OSIS	Wed, Apr 21, 2021	97.50	98.63	97.50	97.67
5919	NASDAQ	OSIS	Tue, Apr 20, 2021	98.88	99.52	96.89	97.24
5918	NASDAQ	OSIS	Mon, Apr 19, 2021	98.74	99.25	98.01	99.22
5917	NASDAQ	OSIS	Fri, Apr 16, 2021	99.70	99.70	98.40	98.67
5916	NASDAQ	OSIS	Thu, Apr 15, 2021	97.30	98.99	96.40	98.83
5915	NASDAQ	OSIS	Wed, Apr 14, 2021	96.80	97.26	96.43	96.62
5914	NASDAQ	OSIS	Tue, Apr 13, 2021	97.14	97.14	95.10	96.45
5913	NASDAQ	OSIS	Mon, Apr 12, 2021	96.67	97.49	96.61	96.90
5912	NASDAQ	OSIS	Fri, Apr 9, 2021	97.05	97.32	96.15	97.17
5911	NASDAQ	OSIS	Thu, Apr 8, 2021	96.48	96.96	96.00	96.80
5910	NASDAQ	OSIS	Wed, Apr 7, 2021	96.71	97.19	95.62	96.02
5909	NASDAQ	OSIS	Tue, Apr 6, 2021	97.20	97.66	95.89	96.85
5908	NASDAQ	OSIS	Mon, Apr 5, 2021	96.99	98.25	96.59	97.24
5907	NASDAQ	OSIS	Thu, Apr 1, 2021	96.71	97.28	96.14	96.91
5906	NASDAQ	OSIS	Wed, Mar 31, 2021	97.06	100.00	95.35	96.10
5905	NASDAQ	OSIS	Tue, Mar 30, 2021	97.46	97.46	96.05	96.65
5904	NASDAQ	OSIS	Mon, Mar 29, 2021	97.61	99.10	96.66	97.19
5903	NASDAQ	OSIS	Fri, Mar 26, 2021	97.26	98.08	95.40	97.94
5902	NASDAQ	OSIS	Thu, Mar 25, 2021	95.97	97.34	95.21	96.38
5901	NASDAQ	OSIS	Wed, Mar 24, 2021	97.77	98.82	96.05	96.33
5900	NASDAQ	OSIS	Tue, Mar 23, 2021	98.00	100.66	96.31	96.88
5899	NASDAQ	OSIS	Mon, Mar 22, 2021	98.95	99.68	96.49	97.57
5898	NASDAQ	OSIS	Fri, Mar 19, 2021	95.09	99.77	95.09	98.75
5897	NASDAQ	OSIS	Thu, Mar 18, 2021	99.18	100.67	97.17	98.74
5896	NASDAQ	OSIS	Wed, Mar 17, 2021	98.64	100.43	97.47	100.02
5895	NASDAQ	OSIS	Tue, Mar 16, 2021	99.19	100.50	98.25	99.62
5894	NASDAQ	OSIS	Mon, Mar 15, 2021	97.44	99.43	96.67	99.14
5893	NASDAQ	OSIS	Fri, Mar 12, 2021	97.36	98.81	96.45	97.89
5892	NASDAQ	OSIS	Thu, Mar 11, 2021	98.70	99.18	96.78	97.33
5891	NASDAQ	OSIS	Wed, Mar 10, 2021	97.50	99.06	97.20	98.36
5890	NASDAQ	OSIS	Tue, Mar 9, 2021	97.54	99.37	95.83	97.11
5889	NASDAQ	OSIS	Mon, Mar 8, 2021	97.14	98.11	96.38	97.28
5888	NASDAQ	OSIS	Fri, Mar 5, 2021	94.94	96.67	94.39	96.35
5887	NASDAQ	OSIS	Thu, Mar 4, 2021	93.26	94.30	92.83	93.86
5886	NASDAQ	OSIS	Wed, Mar 3, 2021	92.96	94.15	92.38	92.85
5885	NASDAQ	OSIS	Tue, Mar 2, 2021	95.00	95.00	92.62	93.11
5884	NASDAQ	OSIS	Mon, Mar 1, 2021	95.96	96.62	94.30	95.00
5883	NASDAQ	OSIS	Fri, Feb 26, 2021	96.39	96.95	94.07	94.62
5882	NASDAQ	OSIS	Thu, Feb 25, 2021	96.51	98.00	95.58	96.39
5881	NASDAQ	OSIS	Wed, Feb 24, 2021	95.31	96.75	95.24	96.31
5880	NASDAQ	OSIS	Tue, Feb 23, 2021	92.92	95.40	92.30	94.78
5879	NASDAQ	OSIS	Mon, Feb 22, 2021	92.82	94.08	92.14	93.55
5878	NASDAQ	OSIS	Fri, Feb 19, 2021	93.90	95.23	92.39	92.65
5877	NASDAQ	OSIS	Thu, Feb 18, 2021	93.50	94.22	91.75	93.94
5876	NASDAQ	OSIS	Wed, Feb 17, 2021	94.18	95.27	93.27	93.76
5875	NASDAQ	OSIS	Tue, Feb 16, 2021	94.37	94.87	93.85	94.87
5874	NASDAQ	OSIS	Fri, Feb 12, 2021	92.01	93.97	92.00	93.83
5873	NASDAQ	OSIS	Thu, Feb 11, 2021	94.13	94.47	91.52	92.38
5872	NASDAQ	OSIS	Wed, Feb 10, 2021	94.16	94.71	92.78	93.33
5871	NASDAQ	OSIS	Tue, Feb 9, 2021	95.13	95.13	93.14	93.98
5870	NASDAQ	OSIS	Mon, Feb 8, 2021	93.53	96.67	93.53	95.60
5869	NASDAQ	OSIS	Fri, Feb 5, 2021	93.99	94.50	92.22	93.40
5868	NASDAQ	OSIS	Thu, Feb 4, 2021	89.76	93.41	89.76	93.32
5867	NASDAQ	OSIS	Wed, Feb 3, 2021	90.85	91.21	89.78	90.00
5866	NASDAQ	OSIS	Tue, Feb 2, 2021	92.64	92.64	90.32	91.47
5865	NASDAQ	OSIS	Mon, Feb 1, 2021	89.96	92.48	89.21	92.10
5864	NASDAQ	OSIS	Fri, Jan 29, 2021	91.88	92.24	89.10	90.02
5863	NASDAQ	OSIS	Thu, Jan 28, 2021	97.50	97.50	89.98	90.85
5862	NASDAQ	OSIS	Wed, Jan 27, 2021	92.02	94.50	92.02	93.60
5861	NASDAQ	OSIS	Tue, Jan 26, 2021	94.24	94.49	92.76	93.40
5860	NASDAQ	OSIS	Mon, Jan 25, 2021	92.64	94.47	91.84	94.26
5859	NASDAQ	OSIS	Fri, Jan 22, 2021	91.80	92.86	91.00	92.61
5858	NASDAQ	OSIS	Thu, Jan 21, 2021	93.48	93.50	91.79	92.56
5857	NASDAQ	OSIS	Wed, Jan 20, 2021	93.44	94.50	92.86	93.33
5856	NASDAQ	OSIS	Tue, Jan 19, 2021	94.02	94.44	92.19	93.03
5855	NASDAQ	OSIS	Fri, Jan 15, 2021	93.96	94.25	92.64	93.62
5854	NASDAQ	OSIS	Thu, Jan 14, 2021	94.85	95.50	94.70	94.99
5853	NASDAQ	OSIS	Wed, Jan 13, 2021	93.25	94.55	92.34	94.39
5852	NASDAQ	OSIS	Tue, Jan 12, 2021	94.71	95.50	92.85	93.80
5851	NASDAQ	OSIS	Mon, Jan 11, 2021	94.53	95.95	94.19	94.74
5850	NASDAQ	OSIS	Fri, Jan 8, 2021	96.92	97.36	94.87	95.71
5849	NASDAQ	OSIS	Thu, Jan 7, 2021	96.76	98.26	95.20	96.70
5848	NASDAQ	OSIS	Wed, Jan 6, 2021	94.64	96.96	94.64	96.13
5847	NASDAQ	OSIS	Tue, Jan 5, 2021	91.50	94.57	91.19	93.35
5846	NASDAQ	OSIS	Mon, Jan 4, 2021	93.94	94.00	90.57	91.58
5845	NASDAQ	OSIS	Thu, Dec 31, 2020	92.63	93.77	91.90	93.22
5844	NASDAQ	OSIS	Wed, Dec 30, 2020	92.75	93.74	92.49	93.01
5843	NASDAQ	OSIS	Tue, Dec 29, 2020	94.05	94.75	92.18	92.69
5842	NASDAQ	OSIS	Mon, Dec 28, 2020	93.72	94.87	92.10	93.50
5841	NASDAQ	OSIS	Thu, Dec 24, 2020	93.79	94.73	92.55	93.10
5840	NASDAQ	OSIS	Wed, Dec 23, 2020	91.68	93.99	91.68	93.54
5839	NASDAQ	OSIS	Tue, Dec 22, 2020	91.87	92.51	90.94	90.95
5838	NASDAQ	OSIS	Mon, Dec 21, 2020	90.30	91.68	89.10	91.18
5837	NASDAQ	OSIS	Fri, Dec 18, 2020	92.78	93.30	91.85	92.01
5836	NASDAQ	OSIS	Thu, Dec 17, 2020	92.14	93.07	91.79	92.40
5835	NASDAQ	OSIS	Wed, Dec 16, 2020	92.21	92.75	91.47	91.76
5834	NASDAQ	OSIS	Tue, Dec 15, 2020	91.43	92.49	90.00	92.09
5833	NASDAQ	OSIS	Mon, Dec 14, 2020	93.05	93.87	90.73	91.00
5832	NASDAQ	OSIS	Fri, Dec 11, 2020	92.28	93.28	92.13	92.32
5831	NASDAQ	OSIS	Thu, Dec 10, 2020	92.88	92.97	91.56	92.41
5830	NASDAQ	OSIS	Wed, Dec 9, 2020	92.89	93.59	90.73	91.41
5829	NASDAQ	OSIS	Tue, Dec 8, 2020	90.49	92.13	90.49	92.10
5828	NASDAQ	OSIS	Mon, Dec 7, 2020	89.49	91.31	88.69	91.17
5827	NASDAQ	OSIS	Fri, Dec 4, 2020	87.77	90.09	87.59	89.79
5826	NASDAQ	OSIS	Thu, Dec 3, 2020	88.20	88.77	87.53	87.69
5825	NASDAQ	OSIS	Wed, Dec 2, 2020	88.24	88.64	87.56	88.35
5824	NASDAQ	OSIS	Tue, Dec 1, 2020	89.01	89.05	87.49	88.41
5823	NASDAQ	OSIS	Mon, Nov 30, 2020	88.25	89.01	87.51	88.10
5822	NASDAQ	OSIS	Fri, Nov 27, 2020	89.01	89.99	88.37	88.86
5821	NASDAQ	OSIS	Wed, Nov 25, 2020	89.03	89.72	88.63	89.15
5820	NASDAQ	OSIS	Tue, Nov 24, 2020	88.45	89.75	88.45	89.47
5819	NASDAQ	OSIS	Mon, Nov 23, 2020	86.36	87.70	85.50	87.53
5818	NASDAQ	OSIS	Fri, Nov 20, 2020	84.90	85.99	84.34	85.59
5817	NASDAQ	OSIS	Thu, Nov 19, 2020	85.54	85.89	84.29	85.43
5816	NASDAQ	OSIS	Wed, Nov 18, 2020	86.80	87.04	85.33	85.40
5815	NASDAQ	OSIS	Tue, Nov 17, 2020	86.34	88.04	85.63	86.74
5814	NASDAQ	OSIS	Mon, Nov 16, 2020	85.00	87.10	84.60	87.10
5813	NASDAQ	OSIS	Fri, Nov 13, 2020	83.72	84.90	83.06	84.84
5812	NASDAQ	OSIS	Thu, Nov 12, 2020	84.27	84.27	81.76	82.32
5811	NASDAQ	OSIS	Wed, Nov 11, 2020	86.68	86.70	84.20	84.95
5810	NASDAQ	OSIS	Tue, Nov 10, 2020	85.19	87.39	84.52	86.35
5809	NASDAQ	OSIS	Mon, Nov 9, 2020	84.25	86.43	82.12	84.49
5808	NASDAQ	OSIS	Fri, Nov 6, 2020	82.16	82.83	80.18	80.59
5807	NASDAQ	OSIS	Thu, Nov 5, 2020	80.72	83.03	80.72	81.80
5806	NASDAQ	OSIS	Wed, Nov 4, 2020	80.84	81.72	80.17	80.65
5805	NASDAQ	OSIS	Tue, Nov 3, 2020	81.46	82.09	80.80	81.59
5804	NASDAQ	OSIS	Mon, Nov 2, 2020	77.95	80.39	77.95	80.28
5803	NASDAQ	OSIS	Fri, Oct 30, 2020	80.70	81.43	76.31	77.16
5802	NASDAQ	OSIS	Thu, Oct 29, 2020	78.08	82.13	78.08	81.10
5801	NASDAQ	OSIS	Wed, Oct 28, 2020	78.76	78.76	77.18	77.28
5800	NASDAQ	OSIS	Tue, Oct 27, 2020	79.46	80.42	79.44	80.08
5799	NASDAQ	OSIS	Mon, Oct 26, 2020	80.12	80.54	78.53	79.49
5798	NASDAQ	OSIS	Fri, Oct 23, 2020	80.19	81.38	79.91	81.07
5797	NASDAQ	OSIS	Thu, Oct 22, 2020	79.61	80.54	79.04	80.27
5796	NASDAQ	OSIS	Wed, Oct 21, 2020	80.91	81.24	79.73	79.75
5795	NASDAQ	OSIS	Tue, Oct 20, 2020	80.90	81.52	79.66	80.70
5794	NASDAQ	OSIS	Mon, Oct 19, 2020	81.09	81.64	80.17	80.41
5793	NASDAQ	OSIS	Fri, Oct 16, 2020	79.98	81.36	79.58	80.91
5792	NASDAQ	OSIS	Thu, Oct 15, 2020	78.90	80.24	78.42	80.10
5791	NASDAQ	OSIS	Wed, Oct 14, 2020	80.03	80.50	79.53	79.70
5790	NASDAQ	OSIS	Tue, Oct 13, 2020	81.11	81.52	80.03	80.12
5789	NASDAQ	OSIS	Mon, Oct 12, 2020	80.67	81.85	80.18	81.69
5788	NASDAQ	OSIS	Fri, Oct 9, 2020	81.21	81.61	80.14	80.50
5787	NASDAQ	OSIS	Thu, Oct 8, 2020	80.13	81.08	80.13	80.93
5786	NASDAQ	OSIS	Wed, Oct 7, 2020	79.78	80.36	79.39	79.78
5785	NASDAQ	OSIS	Tue, Oct 6, 2020	79.40	80.54	78.86	79.33
5784	NASDAQ	OSIS	Mon, Oct 5, 2020	78.78	79.22	78.28	79.06
5783	NASDAQ	OSIS	Fri, Oct 2, 2020	76.93	78.42	76.93	78.04
5782	NASDAQ	OSIS	Thu, Oct 1, 2020	78.25	78.56	76.99	78.01
5781	NASDAQ	OSIS	Wed, Sep 30, 2020	78.00	78.91	77.45	77.61
5780	NASDAQ	OSIS	Tue, Sep 29, 2020	78.25	78.59	77.04	77.65
5779	NASDAQ	OSIS	Mon, Sep 28, 2020	77.78	78.64	77.78	78.26
5778	NASDAQ	OSIS	Fri, Sep 25, 2020	76.76	77.50	76.54	77.00
5777	NASDAQ	OSIS	Thu, Sep 24, 2020	76.31	77.95	76.31	77.21
5776	NASDAQ	OSIS	Wed, Sep 23, 2020	78.55	78.82	76.19	76.30
5775	NASDAQ	OSIS	Tue, Sep 22, 2020	78.61	79.12	77.26	78.34
5774	NASDAQ	OSIS	Mon, Sep 21, 2020	78.80	78.91	76.39	78.32
5773	NASDAQ	OSIS	Fri, Sep 18, 2020	81.20	81.69	79.33	80.19
5772	NASDAQ	OSIS	Thu, Sep 17, 2020	78.95	81.13	78.57	80.62
5771	NASDAQ	OSIS	Wed, Sep 16, 2020	79.29	80.74	79.14	80.00
5770	NASDAQ	OSIS	Tue, Sep 15, 2020	79.70	80.16	78.93	79.11
5769	NASDAQ	OSIS	Mon, Sep 14, 2020	77.50	79.00	77.50	78.90
5768	NASDAQ	OSIS	Fri, Sep 11, 2020	77.08	78.52	76.54	77.46
5767	NASDAQ	OSIS	Thu, Sep 10, 2020	77.47	77.97	76.74	76.74
5766	NASDAQ	OSIS	Wed, Sep 9, 2020	76.66	77.82	76.24	77.30
5765	NASDAQ	OSIS	Tue, Sep 8, 2020	77.06	77.51	75.51	76.24
5764	NASDAQ	OSIS	Fri, Sep 4, 2020	79.56	79.68	76.92	77.65
5763	NASDAQ	OSIS	Thu, Sep 3, 2020	80.29	80.29	78.25	78.77
5762	NASDAQ	OSIS	Wed, Sep 2, 2020	78.64	80.67	78.64	80.22
5761	NASDAQ	OSIS	Tue, Sep 1, 2020	78.52	79.12	77.69	78.60
5760	NASDAQ	OSIS	Mon, Aug 31, 2020	78.50	79.33	78.42	78.75
5759	NASDAQ	OSIS	Fri, Aug 28, 2020	78.51	78.78	77.55	78.76
5758	NASDAQ	OSIS	Thu, Aug 27, 2020	76.83	77.93	75.94	77.83
5757	NASDAQ	OSIS	Wed, Aug 26, 2020	75.56	76.35	74.51	76.24
5756	NASDAQ	OSIS	Tue, Aug 25, 2020	76.09	76.22	74.32	75.47
5755	NASDAQ	OSIS	Mon, Aug 24, 2020	74.60	75.70	73.45	75.64
5754	NASDAQ	OSIS	Fri, Aug 21, 2020	75.16	75.16	72.00	75.01
5753	NASDAQ	OSIS	Thu, Aug 20, 2020	75.25	76.64	74.69	74.69
5752	NASDAQ	OSIS	Wed, Aug 19, 2020	76.57	77.22	75.45	75.96
5751	NASDAQ	OSIS	Tue, Aug 18, 2020	77.02	77.08	75.96	76.71
5750	NASDAQ	OSIS	Mon, Aug 17, 2020	78.75	78.76	77.18	77.33
5749	NASDAQ	OSIS	Fri, Aug 14, 2020	77.56	79.49	77.40	78.91
5748	NASDAQ	OSIS	Thu, Aug 13, 2020	78.46	78.97	77.67	77.72
5747	NASDAQ	OSIS	Wed, Aug 12, 2020	79.07	79.65	78.13	78.88
5746	NASDAQ	OSIS	Tue, Aug 11, 2020	79.49	80.00	77.89	78.25
5745	NASDAQ	OSIS	Mon, Aug 10, 2020	77.97	78.94	77.67	78.59
5744	NASDAQ	OSIS	Fri, Aug 7, 2020	74.10	78.00	74.10	77.97
5743	NASDAQ	OSIS	Thu, Aug 6, 2020	72.34	74.27	72.23	74.18
5742	NASDAQ	OSIS	Wed, Aug 5, 2020	72.69	73.61	71.74	72.59
5741	NASDAQ	OSIS	Tue, Aug 4, 2020	71.50	72.49	70.51	71.88
5740	NASDAQ	OSIS	Mon, Aug 3, 2020	70.92	71.78	70.13	71.38
5739	NASDAQ	OSIS	Fri, Jul 31, 2020	70.43	70.96	68.15	70.96
5738	NASDAQ	OSIS	Thu, Jul 30, 2020	68.29	70.38	68.29	70.21
5737	NASDAQ	OSIS	Wed, Jul 29, 2020	67.92	69.47	67.92	69.14
5736	NASDAQ	OSIS	Tue, Jul 28, 2020	67.67	68.45	67.05	67.70
5735	NASDAQ	OSIS	Mon, Jul 27, 2020	67.38	68.42	66.77	67.78
5734	NASDAQ	OSIS	Fri, Jul 24, 2020	68.41	68.74	67.30	67.37
5733	NASDAQ	OSIS	Thu, Jul 23, 2020	68.10	69.56	68.00	68.75
5732	NASDAQ	OSIS	Wed, Jul 22, 2020	67.54	68.39	67.54	67.99
5731	NASDAQ	OSIS	Tue, Jul 21, 2020	68.51	69.36	67.19	67.67
5730	NASDAQ	OSIS	Mon, Jul 20, 2020	68.37	68.95	67.01	67.86
5729	NASDAQ	OSIS	Fri, Jul 17, 2020	68.69	69.34	68.30	68.56
5728	NASDAQ	OSIS	Thu, Jul 16, 2020	70.23	70.72	68.36	68.78
5727	NASDAQ	OSIS	Wed, Jul 15, 2020	69.76	71.20	69.59	70.39
5726	NASDAQ	OSIS	Tue, Jul 14, 2020	67.43	68.92	66.11	68.64
5725	NASDAQ	OSIS	Mon, Jul 13, 2020	69.87	69.87	67.07	67.10
5724	NASDAQ	OSIS	Fri, Jul 10, 2020	68.93	69.50	68.14	69.39
5723	NASDAQ	OSIS	Thu, Jul 9, 2020	69.42	69.71	67.99	69.00
5722	NASDAQ	OSIS	Wed, Jul 8, 2020	71.13	71.19	69.09	69.77
5721	NASDAQ	OSIS	Tue, Jul 7, 2020	73.76	73.93	71.18	71.21
5720	NASDAQ	OSIS	Mon, Jul 6, 2020	75.30	75.63	71.97	74.37
5719	NASDAQ	OSIS	Thu, Jul 2, 2020	74.84	75.61	73.76	73.86
5718	NASDAQ	OSIS	Wed, Jul 1, 2020	74.64	74.64	71.22	73.56
5717	NASDAQ	OSIS	Tue, Jun 30, 2020	73.29	74.88	73.29	74.64
5716	NASDAQ	OSIS	Mon, Jun 29, 2020	71.38	74.50	71.38	73.84
5715	NASDAQ	OSIS	Fri, Jun 26, 2020	73.31	73.96	69.90	70.13
5714	NASDAQ	OSIS	Thu, Jun 25, 2020	71.79	73.80	71.38	73.69
5713	NASDAQ	OSIS	Wed, Jun 24, 2020	73.35	74.81	72.06	72.48
5712	NASDAQ	OSIS	Tue, Jun 23, 2020	73.41	74.35	73.22	74.12
5711	NASDAQ	OSIS	Mon, Jun 22, 2020	73.74	73.87	72.26	72.82
5710	NASDAQ	OSIS	Fri, Jun 19, 2020	74.11	75.73	72.81	74.04
5709	NASDAQ	OSIS	Thu, Jun 18, 2020	73.44	74.24	72.20	73.15
5708	NASDAQ	OSIS	Wed, Jun 17, 2020	74.90	75.05	73.82	74.04
5707	NASDAQ	OSIS	Tue, Jun 16, 2020	76.41	76.42	74.20	74.65
5706	NASDAQ	OSIS	Mon, Jun 15, 2020	71.76	74.57	71.66	74.21
5705	NASDAQ	OSIS	Fri, Jun 12, 2020	76.19	76.34	72.00	73.61
5704	NASDAQ	OSIS	Thu, Jun 11, 2020	74.98	76.55	73.83	74.04
5703	NASDAQ	OSIS	Wed, Jun 10, 2020	78.83	79.00	77.02	77.50
5702	NASDAQ	OSIS	Tue, Jun 9, 2020	79.01	80.04	77.99	78.70
5701	NASDAQ	OSIS	Mon, Jun 8, 2020	84.37	84.37	79.85	80.15
5700	NASDAQ	OSIS	Fri, Jun 5, 2020	82.75	85.01	82.75	84.37
5699	NASDAQ	OSIS	Thu, Jun 4, 2020	79.24	80.76	79.06	80.25
5698	NASDAQ	OSIS	Wed, Jun 3, 2020	77.56	80.83	77.56	79.98
5697	NASDAQ	OSIS	Tue, Jun 2, 2020	76.42	77.54	75.92	76.77
5696	NASDAQ	OSIS	Mon, Jun 1, 2020	75.97	76.96	75.27	76.19
5695	NASDAQ	OSIS	Fri, May 29, 2020	76.13	76.84	74.63	75.77
5694	NASDAQ	OSIS	Thu, May 28, 2020	77.35	77.71	76.31	76.51
5693	NASDAQ	OSIS	Wed, May 27, 2020	76.66	77.58	75.65	76.90
5692	NASDAQ	OSIS	Tue, May 26, 2020	73.97	76.62	73.51	75.22
5691	NASDAQ	OSIS	Fri, May 22, 2020	72.56	72.56	71.16	71.71
5690	NASDAQ	OSIS	Thu, May 21, 2020	72.80	73.28	71.61	72.23
5689	NASDAQ	OSIS	Wed, May 20, 2020	72.23	73.80	72.23	73.07
5688	NASDAQ	OSIS	Tue, May 19, 2020	72.85	73.24	71.70	71.90
5687	NASDAQ	OSIS	Mon, May 18, 2020	71.88	73.47	71.77	73.22
5686	NASDAQ	OSIS	Fri, May 15, 2020	68.26	72.55	67.64	69.45
5685	NASDAQ	OSIS	Thu, May 14, 2020	67.73	68.70	66.29	68.62
5684	NASDAQ	OSIS	Wed, May 13, 2020	70.00	70.31	68.95	69.09
5683	NASDAQ	OSIS	Tue, May 12, 2020	73.62	73.95	70.40	70.71
5682	NASDAQ	OSIS	Mon, May 11, 2020	73.91	74.43	72.49	73.47
5681	NASDAQ	OSIS	Fri, May 8, 2020	71.80	75.12	71.80	74.97
5680	NASDAQ	OSIS	Thu, May 7, 2020	71.75	71.75	70.51	70.51
5679	NASDAQ	OSIS	Wed, May 6, 2020	71.84	72.71	70.65	70.87
5678	NASDAQ	OSIS	Tue, May 5, 2020	72.87	73.87	71.51	71.75
5677	NASDAQ	OSIS	Mon, May 4, 2020	73.15	74.16	71.18	71.69
5676	NASDAQ	OSIS	Fri, May 1, 2020	72.00	76.60	71.98	74.37
5675	NASDAQ	OSIS	Thu, Apr 30, 2020	75.17	76.61	72.30	72.38
5674	NASDAQ	OSIS	Wed, Apr 29, 2020	75.47	77.68	74.86	76.73
5673	NASDAQ	OSIS	Tue, Apr 28, 2020	73.53	75.38	73.27	73.67
5672	NASDAQ	OSIS	Mon, Apr 27, 2020	73.37	73.39	71.65	72.43
5671	NASDAQ	OSIS	Fri, Apr 24, 2020	73.12	74.63	72.12	73.06
5670	NASDAQ	OSIS	Thu, Apr 23, 2020	73.53	73.80	72.41	72.84
5669	NASDAQ	OSIS	Wed, Apr 22, 2020	71.00	72.77	69.82	72.31
5668	NASDAQ	OSIS	Tue, Apr 21, 2020	69.98	70.47	68.71	69.83
5667	NASDAQ	OSIS	Mon, Apr 20, 2020	73.52	73.52	71.23	71.66
5666	NASDAQ	OSIS	Fri, Apr 17, 2020	73.08	74.75	72.85	74.27
5665	NASDAQ	OSIS	Thu, Apr 16, 2020	70.12	72.21	69.30	71.40
5664	NASDAQ	OSIS	Wed, Apr 15, 2020	71.14	71.93	69.33	69.43
5663	NASDAQ	OSIS	Tue, Apr 14, 2020	72.30	73.70	71.59	72.78
5662	NASDAQ	OSIS	Mon, Apr 13, 2020	72.88	73.28	70.41	70.85
5661	NASDAQ	OSIS	Thu, Apr 9, 2020	74.15	74.15	71.02	72.54
5660	NASDAQ	OSIS	Wed, Apr 8, 2020	69.72	72.19	67.07	71.48
5659	NASDAQ	OSIS	Tue, Apr 7, 2020	68.78	70.05	67.85	68.30
5658	NASDAQ	OSIS	Mon, Apr 6, 2020	66.94	67.29	64.93	67.16
5657	NASDAQ	OSIS	Fri, Apr 3, 2020	66.10	67.52	63.09	64.45
5656	NASDAQ	OSIS	Thu, Apr 2, 2020	63.30	69.63	63.30	65.55
5655	NASDAQ	OSIS	Wed, Apr 1, 2020	66.61	67.55	63.13	63.74
5654	NASDAQ	OSIS	Tue, Mar 31, 2020	67.13	69.61	66.42	68.92
5653	NASDAQ	OSIS	Mon, Mar 30, 2020	65.39	67.30	64.91	66.80
5652	NASDAQ	OSIS	Fri, Mar 27, 2020	66.27	66.30	63.89	64.64
5651	NASDAQ	OSIS	Thu, Mar 26, 2020	65.61	68.62	64.47	68.47
5650	NASDAQ	OSIS	Wed, Mar 25, 2020	63.96	66.16	60.91	64.98
5649	NASDAQ	OSIS	Tue, Mar 24, 2020	61.76	65.46	59.94	63.96
5648	NASDAQ	OSIS	Mon, Mar 23, 2020	54.72	59.44	54.34	59.18
5647	NASDAQ	OSIS	Fri, Mar 20, 2020	62.29	64.40	49.96	54.26
5646	NASDAQ	OSIS	Thu, Mar 19, 2020	59.69	64.80	57.91	62.11
5645	NASDAQ	OSIS	Wed, Mar 18, 2020	59.21	60.82	57.13	59.85
5644	NASDAQ	OSIS	Tue, Mar 17, 2020	66.21	68.50	60.32	62.25
5643	NASDAQ	OSIS	Mon, Mar 16, 2020	67.35	68.92	64.75	65.09
5642	NASDAQ	OSIS	Fri, Mar 13, 2020	72.58	73.29	69.37	73.29
5641	NASDAQ	OSIS	Thu, Mar 12, 2020	73.82	75.14	70.04	70.04
5640	NASDAQ	OSIS	Wed, Mar 11, 2020	75.98	77.97	74.25	77.59
5639	NASDAQ	OSIS	Tue, Mar 10, 2020	79.32	82.05	73.64	77.66
5638	NASDAQ	OSIS	Mon, Mar 9, 2020	78.03	79.81	76.58	77.27
5637	NASDAQ	OSIS	Fri, Mar 6, 2020	79.06	82.59	78.89	82.12
5636	NASDAQ	OSIS	Thu, Mar 5, 2020	81.43	82.57	79.77	81.03
5635	NASDAQ	OSIS	Wed, Mar 4, 2020	82.50	83.34	80.96	83.11
5634	NASDAQ	OSIS	Tue, Mar 3, 2020	82.15	84.32	80.50	81.67
5633	NASDAQ	OSIS	Mon, Mar 2, 2020	81.70	82.55	80.15	82.22
5632	NASDAQ	OSIS	Fri, Feb 28, 2020	79.91	82.66	79.30	81.27
5631	NASDAQ	OSIS	Thu, Feb 27, 2020	83.03	84.83	82.11	82.11
5630	NASDAQ	OSIS	Wed, Feb 26, 2020	85.88	86.96	84.57	84.74
5629	NASDAQ	OSIS	Tue, Feb 25, 2020	89.75	90.59	85.20	85.40
5628	NASDAQ	OSIS	Mon, Feb 24, 2020	88.43	89.60	88.20	89.26
5627	NASDAQ	OSIS	Fri, Feb 21, 2020	90.36	91.30	89.55	90.97
5626	NASDAQ	OSIS	Thu, Feb 20, 2020	90.58	91.13	88.51	90.47
5625	NASDAQ	OSIS	Wed, Feb 19, 2020	89.61	91.50	89.61	90.99
5624	NASDAQ	OSIS	Tue, Feb 18, 2020	88.61	89.92	88.56	89.31
5623	NASDAQ	OSIS	Fri, Feb 14, 2020	91.04	91.30	89.13	89.18
5622	NASDAQ	OSIS	Thu, Feb 13, 2020	90.77	91.78	90.20	90.86
5621	NASDAQ	OSIS	Wed, Feb 12, 2020	91.53	92.29	90.27	91.30
5620	NASDAQ	OSIS	Tue, Feb 11, 2020	91.13	92.36	91.13	91.23
5619	NASDAQ	OSIS	Mon, Feb 10, 2020	90.74	91.13	89.51	90.83
5618	NASDAQ	OSIS	Fri, Feb 7, 2020	89.62	91.69	89.62	91.19
5617	NASDAQ	OSIS	Thu, Feb 6, 2020	90.21	90.52	89.50	90.00
5616	NASDAQ	OSIS	Wed, Feb 5, 2020	88.96	90.20	88.27	89.76
5615	NASDAQ	OSIS	Tue, Feb 4, 2020	90.31	91.15	87.38	88.08
5614	NASDAQ	OSIS	Mon, Feb 3, 2020	86.37	89.58	86.37	89.10
5613	NASDAQ	OSIS	Fri, Jan 31, 2020	88.64	90.28	86.46	86.54
5612	NASDAQ	OSIS	Thu, Jan 30, 2020	92.72	93.83	88.72	88.93
5611	NASDAQ	OSIS	Wed, Jan 29, 2020	96.72	96.83	92.40	93.86
5610	NASDAQ	OSIS	Tue, Jan 28, 2020	95.13	97.34	94.27	96.30
5609	NASDAQ	OSIS	Mon, Jan 27, 2020	95.49	96.00	94.57	94.72
5608	NASDAQ	OSIS	Fri, Jan 24, 2020	98.70	98.70	96.28	96.69
5607	NASDAQ	OSIS	Thu, Jan 23, 2020	98.40	99.39	97.64	98.69
5606	NASDAQ	OSIS	Wed, Jan 22, 2020	100.51	100.92	98.43	98.49
5605	NASDAQ	OSIS	Tue, Jan 21, 2020	100.60	100.98	99.90	100.26
5604	NASDAQ	OSIS	Fri, Jan 17, 2020	101.33	101.33	99.67	100.58
5603	NASDAQ	OSIS	Thu, Jan 16, 2020	100.51	101.33	100.06	100.79
5602	NASDAQ	OSIS	Wed, Jan 15, 2020	100.33	101.19	99.75	99.99
5601	NASDAQ	OSIS	Tue, Jan 14, 2020	101.14	101.63	100.17	100.58
5600	NASDAQ	OSIS	Mon, Jan 13, 2020	100.33	101.76	100.26	101.31
5599	NASDAQ	OSIS	Fri, Jan 10, 2020	101.41	101.81	99.97	100.56
5598	NASDAQ	OSIS	Thu, Jan 9, 2020	100.68	101.85	100.04	101.17
5597	NASDAQ	OSIS	Wed, Jan 8, 2020	101.09	101.69	99.84	99.94
5596	NASDAQ	OSIS	Tue, Jan 7, 2020	102.14	102.17	100.62	100.80
5595	NASDAQ	OSIS	Mon, Jan 6, 2020	100.82	102.61	100.14	102.42
5594	NASDAQ	OSIS	Fri, Jan 3, 2020	101.29	101.99	101.00	101.31
5593	NASDAQ	OSIS	Thu, Jan 2, 2020	101.36	102.17	100.90	102.17
5592	NASDAQ	OSIS	Tue, Dec 31, 2019	100.25	101.56	100.25	100.74
5591	NASDAQ	OSIS	Mon, Dec 30, 2019	101.08	101.08	99.98	100.32
5590	NASDAQ	OSIS	Fri, Dec 27, 2019	101.65	102.12	100.78	101.17
5589	NASDAQ	OSIS	Thu, Dec 26, 2019	101.74	102.51	101.22	101.77
5588	NASDAQ	OSIS	Tue, Dec 24, 2019	101.82	101.91	101.41	101.91
5587	NASDAQ	OSIS	Mon, Dec 23, 2019	102.11	102.35	100.54	101.86
5586	NASDAQ	OSIS	Fri, Dec 20, 2019	100.96	102.81	100.65	102.08
5585	NASDAQ	OSIS	Thu, Dec 19, 2019	100.70	101.02	100.17	100.69
5584	NASDAQ	OSIS	Wed, Dec 18, 2019	100.26	101.17	99.77	101.01
5583	NASDAQ	OSIS	Tue, Dec 17, 2019	100.68	101.06	99.73	100.55
5582	NASDAQ	OSIS	Mon, Dec 16, 2019	100.72	101.39	99.84	100.56
5581	NASDAQ	OSIS	Fri, Dec 13, 2019	100.04	101.12	99.79	100.60
5580	NASDAQ	OSIS	Thu, Dec 12, 2019	100.58	101.20	98.84	99.92
5579	NASDAQ	OSIS	Wed, Dec 11, 2019	99.46	100.64	99.23	100.38
5578	NASDAQ	OSIS	Tue, Dec 10, 2019	100.04	100.68	99.40	99.68
5577	NASDAQ	OSIS	Mon, Dec 9, 2019	100.70	101.10	100.10	100.18
5576	NASDAQ	OSIS	Fri, Dec 6, 2019	99.37	100.98	99.37	100.94
5575	NASDAQ	OSIS	Thu, Dec 5, 2019	99.75	100.36	98.62	98.79
5574	NASDAQ	OSIS	Wed, Dec 4, 2019	98.84	100.31	98.73	99.62
5573	NASDAQ	OSIS	Tue, Dec 3, 2019	98.00	99.40	98.00	98.76
5572	NASDAQ	OSIS	Mon, Dec 2, 2019	99.55	99.95	98.66	98.76
5571	NASDAQ	OSIS	Fri, Nov 29, 2019	99.76	100.46	99.15	99.49
5570	NASDAQ	OSIS	Wed, Nov 27, 2019	99.98	100.41	99.42	100.16
5569	NASDAQ	OSIS	Tue, Nov 26, 2019	100.26	100.88	97.97	99.93
5568	NASDAQ	OSIS	Mon, Nov 25, 2019	97.71	100.51	97.71	100.26
5567	NASDAQ	OSIS	Fri, Nov 22, 2019	97.69	98.05	97.07	97.85
5566	NASDAQ	OSIS	Thu, Nov 21, 2019	98.36	98.36	96.88	97.77
5565	NASDAQ	OSIS	Wed, Nov 20, 2019	97.88	98.65	97.66	98.29
5564	NASDAQ	OSIS	Tue, Nov 19, 2019	97.67	98.24	97.51	98.14
5563	NASDAQ	OSIS	Mon, Nov 18, 2019	97.88	98.10	97.26	97.73
5562	NASDAQ	OSIS	Fri, Nov 15, 2019	97.53	98.01	97.32	97.67
5561	NASDAQ	OSIS	Thu, Nov 14, 2019	96.90	97.36	96.38	97.15
5560	NASDAQ	OSIS	Wed, Nov 13, 2019	96.07	97.84	96.05	97.19
5559	NASDAQ	OSIS	Tue, Nov 12, 2019	96.27	96.73	95.37	96.15
5558	NASDAQ	OSIS	Mon, Nov 11, 2019	95.16	96.52	94.00	96.50
5557	NASDAQ	OSIS	Fri, Nov 8, 2019	95.04	95.97	95.04	95.63
5556	NASDAQ	OSIS	Thu, Nov 7, 2019	96.83	97.31	95.13	95.29
5555	NASDAQ	OSIS	Wed, Nov 6, 2019	95.14	96.72	94.99	96.52
5554	NASDAQ	OSIS	Tue, Nov 5, 2019	96.23	97.17	95.11	95.52
5553	NASDAQ	OSIS	Mon, Nov 4, 2019	99.52	99.94	95.52	95.99
5552	NASDAQ	OSIS	Fri, Nov 1, 2019	99.60	100.61	98.95	99.43
5551	NASDAQ	OSIS	Thu, Oct 31, 2019	99.62	99.74	98.07	99.24
5550	NASDAQ	OSIS	Wed, Oct 30, 2019	99.88	100.48	98.35	99.72
5549	NASDAQ	OSIS	Tue, Oct 29, 2019	100.65	101.61	99.00	99.46
5548	NASDAQ	OSIS	Mon, Oct 28, 2019	100.76	101.37	99.23	100.52
5547	NASDAQ	OSIS	Fri, Oct 25, 2019	99.99	102.01	98.15	100.91
5546	NASDAQ	OSIS	Thu, Oct 24, 2019	96.76	96.76	93.98	95.06
5545	NASDAQ	OSIS	Wed, Oct 23, 2019	96.63	97.83	96.53	96.55
5544	NASDAQ	OSIS	Tue, Oct 22, 2019	98.29	99.01	96.27	96.60
5543	NASDAQ	OSIS	Mon, Oct 21, 2019	98.69	99.45	98.27	98.48
5542	NASDAQ	OSIS	Fri, Oct 18, 2019	99.73	100.24	98.04	98.35
5541	NASDAQ	OSIS	Thu, Oct 17, 2019	98.38	100.21	98.38	100.03
5540	NASDAQ	OSIS	Wed, Oct 16, 2019	98.53	99.60	97.72	98.12
5539	NASDAQ	OSIS	Tue, Oct 15, 2019	96.95	99.78	96.95	98.83
5538	NASDAQ	OSIS	Mon, Oct 14, 2019	96.72	97.11	95.92	96.91
5537	NASDAQ	OSIS	Fri, Oct 11, 2019	97.33	98.35	96.59	96.97
5536	NASDAQ	OSIS	Thu, Oct 10, 2019	96.69	96.74	96.07	96.54
5535	NASDAQ	OSIS	Wed, Oct 9, 2019	97.33	97.95	96.37	96.68
5534	NASDAQ	OSIS	Tue, Oct 8, 2019	98.07	98.18	96.92	97.07
5533	NASDAQ	OSIS	Mon, Oct 7, 2019	98.79	99.55	98.22	98.52
5532	NASDAQ	OSIS	Fri, Oct 4, 2019	99.82	100.10	98.17	99.01
5531	NASDAQ	OSIS	Thu, Oct 3, 2019	98.98	99.84	97.96	99.47
5530	NASDAQ	OSIS	Wed, Oct 2, 2019	98.82	99.09	97.84	99.05
5529	NASDAQ	OSIS	Tue, Oct 1, 2019	102.13	102.67	99.16	99.29
5528	NASDAQ	OSIS	Mon, Sep 30, 2019	104.45	105.51	101.51	101.56
5527	NASDAQ	OSIS	Fri, Sep 27, 2019	104.17	104.70	103.70	104.23
5526	NASDAQ	OSIS	Thu, Sep 26, 2019	105.69	105.89	103.92	104.06
5525	NASDAQ	OSIS	Wed, Sep 25, 2019	105.22	106.26	104.91	105.78
5524	NASDAQ	OSIS	Tue, Sep 24, 2019	105.66	106.73	104.93	105.30
5523	NASDAQ	OSIS	Mon, Sep 23, 2019	105.84	106.56	104.81	105.61
5522	NASDAQ	OSIS	Fri, Sep 20, 2019	106.62	106.90	105.23	105.68
5521	NASDAQ	OSIS	Thu, Sep 19, 2019	105.02	107.03	105.02	106.20
5520	NASDAQ	OSIS	Wed, Sep 18, 2019	104.88	106.04	103.87	104.92
5519	NASDAQ	OSIS	Tue, Sep 17, 2019	104.35	105.31	104.35	104.90
5518	NASDAQ	OSIS	Mon, Sep 16, 2019	104.48	105.67	103.99	104.75
5517	NASDAQ	OSIS	Fri, Sep 13, 2019	105.28	105.28	103.97	104.73
5516	NASDAQ	OSIS	Thu, Sep 12, 2019	105.40	105.53	103.07	104.90
5515	NASDAQ	OSIS	Wed, Sep 11, 2019	104.70	105.81	103.89	105.20
5514	NASDAQ	OSIS	Tue, Sep 10, 2019	106.66	106.66	103.85	104.45
5513	NASDAQ	OSIS	Mon, Sep 9, 2019	106.72	106.95	105.64	106.85
5512	NASDAQ	OSIS	Fri, Sep 6, 2019	106.80	106.80	105.79	106.06
5511	NASDAQ	OSIS	Thu, Sep 5, 2019	106.36	107.70	105.70	106.35
5510	NASDAQ	OSIS	Wed, Sep 4, 2019	105.00	105.70	104.92	105.55
5509	NASDAQ	OSIS	Tue, Sep 3, 2019	104.28	104.51	103.48	104.47
5508	NASDAQ	OSIS	Fri, Aug 30, 2019	105.49	105.66	104.31	105.01
5507	NASDAQ	OSIS	Thu, Aug 29, 2019	107.00	107.92	104.84	105.05
5506	NASDAQ	OSIS	Wed, Aug 28, 2019	104.01	106.97	103.46	106.38
5505	NASDAQ	OSIS	Tue, Aug 27, 2019	102.04	105.19	101.83	104.43
5504	NASDAQ	OSIS	Mon, Aug 26, 2019	97.94	101.66	93.05	101.00
5503	NASDAQ	OSIS	Fri, Aug 23, 2019	101.54	101.94	100.08	100.83
5502	NASDAQ	OSIS	Thu, Aug 22, 2019	103.56	104.67	101.68	101.83
5501	NASDAQ	OSIS	Wed, Aug 21, 2019	104.25	104.25	103.02	103.23
5500	NASDAQ	OSIS	Tue, Aug 20, 2019	104.23	105.07	103.71	103.91
5499	NASDAQ	OSIS	Mon, Aug 19, 2019	104.28	105.81	103.88	104.91
5498	NASDAQ	OSIS	Fri, Aug 16, 2019	104.10	105.65	103.32	104.07
5497	NASDAQ	OSIS	Thu, Aug 15, 2019	104.36	104.91	103.30	103.43
5496	NASDAQ	OSIS	Wed, Aug 14, 2019	106.09	107.17	103.99	104.46
5495	NASDAQ	OSIS	Tue, Aug 13, 2019	106.55	107.69	106.55	107.23
5494	NASDAQ	OSIS	Mon, Aug 12, 2019	107.45	107.78	106.50	106.72
5493	NASDAQ	OSIS	Fri, Aug 9, 2019	108.13	108.96	107.49	107.78
5492	NASDAQ	OSIS	Thu, Aug 8, 2019	107.66	108.87	107.32	108.37
5491	NASDAQ	OSIS	Wed, Aug 7, 2019	105.47	107.25	104.16	106.94
5490	NASDAQ	OSIS	Tue, Aug 6, 2019	106.85	107.97	105.92	106.83
5489	NASDAQ	OSIS	Mon, Aug 5, 2019	107.96	107.96	105.52	106.40
5488	NASDAQ	OSIS	Fri, Aug 2, 2019	111.20	111.20	108.94	109.57
5487	NASDAQ	OSIS	Thu, Aug 1, 2019	112.54	113.25	109.77	111.73
5486	NASDAQ	OSIS	Wed, Jul 31, 2019	113.88	114.58	111.52	112.56
5485	NASDAQ	OSIS	Tue, Jul 30, 2019	111.81	113.99	111.53	113.81
5484	NASDAQ	OSIS	Mon, Jul 29, 2019	113.42	114.36	112.42	112.58
5483	NASDAQ	OSIS	Fri, Jul 26, 2019	113.63	114.35	113.03	113.36
5482	NASDAQ	OSIS	Thu, Jul 25, 2019	112.46	113.78	112.18	113.23
5481	NASDAQ	OSIS	Wed, Jul 24, 2019	111.83	112.58	111.48	112.40
5480	NASDAQ	OSIS	Tue, Jul 23, 2019	112.33	112.88	111.57	112.22
5479	NASDAQ	OSIS	Mon, Jul 22, 2019	109.72	112.45	109.59	111.44
5478	NASDAQ	OSIS	Fri, Jul 19, 2019	110.02	110.60	109.47	109.53
5477	NASDAQ	OSIS	Thu, Jul 18, 2019	109.96	110.24	108.70	109.86
5476	NASDAQ	OSIS	Wed, Jul 17, 2019	111.93	111.93	109.93	110.02
5475	NASDAQ	OSIS	Tue, Jul 16, 2019	111.92	112.40	110.45	111.51
5474	NASDAQ	OSIS	Mon, Jul 15, 2019	115.28	115.36	111.66	112.09
5473	NASDAQ	OSIS	Fri, Jul 12, 2019	113.75	115.24	113.65	115.04
5472	NASDAQ	OSIS	Thu, Jul 11, 2019	114.37	114.37	112.17	113.62
5471	NASDAQ	OSIS	Wed, Jul 10, 2019	115.25	115.25	113.67	114.02
5470	NASDAQ	OSIS	Tue, Jul 9, 2019	114.00	115.45	113.53	114.75
5469	NASDAQ	OSIS	Mon, Jul 8, 2019	116.48	116.78	113.69	113.93
5468	NASDAQ	OSIS	Fri, Jul 5, 2019	116.08	117.21	114.68	117.03
5467	NASDAQ	OSIS	Wed, Jul 3, 2019	115.96	117.02	114.75	116.69
5466	NASDAQ	OSIS	Tue, Jul 2, 2019	115.34	116.42	114.07	115.89
5465	NASDAQ	OSIS	Mon, Jul 1, 2019	115.96	116.35	112.85	115.20
5464	NASDAQ	OSIS	Fri, Jun 28, 2019	110.31	113.09	110.31	112.63
5463	NASDAQ	OSIS	Thu, Jun 27, 2019	111.00	111.28	109.86	110.24
5462	NASDAQ	OSIS	Wed, Jun 26, 2019	112.53	112.66	110.18	110.61
5461	NASDAQ	OSIS	Tue, Jun 25, 2019	113.44	114.33	111.89	112.05
5460	NASDAQ	OSIS	Mon, Jun 24, 2019	113.25	114.01	112.67	113.06
5459	NASDAQ	OSIS	Fri, Jun 21, 2019	113.29	113.47	112.34	113.01
5458	NASDAQ	OSIS	Thu, Jun 20, 2019	114.40	114.42	112.43	113.85
5457	NASDAQ	OSIS	Wed, Jun 19, 2019	112.75	113.52	112.56	113.45
5456	NASDAQ	OSIS	Tue, Jun 18, 2019	113.29	113.88	112.39	112.81
5455	NASDAQ	OSIS	Mon, Jun 17, 2019	113.16	113.54	112.44	112.68
5454	NASDAQ	OSIS	Fri, Jun 14, 2019	112.30	113.11	111.71	112.87
5453	NASDAQ	OSIS	Thu, Jun 13, 2019	112.19	112.80	111.35	112.69
5452	NASDAQ	OSIS	Wed, Jun 12, 2019	112.78	113.19	111.14	111.79
5451	NASDAQ	OSIS	Tue, Jun 11, 2019	113.23	113.54	111.50	112.41
5450	NASDAQ	OSIS	Mon, Jun 10, 2019	112.40	113.44	112.16	112.73
5449	NASDAQ	OSIS	Fri, Jun 7, 2019	110.23	112.70	109.64	112.20
5448	NASDAQ	OSIS	Thu, Jun 6, 2019	110.48	111.15	108.73	109.55
5447	NASDAQ	OSIS	Wed, Jun 5, 2019	106.65	111.68	106.14	110.85
5446	NASDAQ	OSIS	Tue, Jun 4, 2019	104.37	106.66	104.13	106.14
5445	NASDAQ	OSIS	Mon, Jun 3, 2019	104.04	105.00	103.36	103.55
5444	NASDAQ	OSIS	Fri, May 31, 2019	102.46	103.89	101.33	103.59
5443	NASDAQ	OSIS	Thu, May 30, 2019	103.06	104.54	102.94	103.44
5442	NASDAQ	OSIS	Wed, May 29, 2019	102.27	103.80	101.85	103.36
5441	NASDAQ	OSIS	Tue, May 28, 2019	103.00	103.73	102.12	102.67
5440	NASDAQ	OSIS	Fri, May 24, 2019	102.16	103.99	102.06	102.99
5439	NASDAQ	OSIS	Thu, May 23, 2019	101.60	102.30	101.02	101.56
5438	NASDAQ	OSIS	Wed, May 22, 2019	101.64	103.05	101.63	102.41
5437	NASDAQ	OSIS	Tue, May 21, 2019	102.14	103.62	101.44	101.93
5436	NASDAQ	OSIS	Mon, May 20, 2019	101.90	102.16	99.82	101.51
5435	NASDAQ	OSIS	Fri, May 17, 2019	103.97	104.99	102.30	102.34
5434	NASDAQ	OSIS	Thu, May 16, 2019	104.32	106.16	104.04	104.57
5433	NASDAQ	OSIS	Wed, May 15, 2019	103.15	104.89	103.15	104.10
5432	NASDAQ	OSIS	Tue, May 14, 2019	103.90	105.00	102.82	103.66
5431	NASDAQ	OSIS	Mon, May 13, 2019	102.75	103.72	101.62	103.58
5430	NASDAQ	OSIS	Fri, May 10, 2019	102.80	104.64	101.78	104.26
5429	NASDAQ	OSIS	Thu, May 9, 2019	101.80	103.30	101.60	103.10
5428	NASDAQ	OSIS	Wed, May 8, 2019	102.64	103.76	102.16	102.39
5427	NASDAQ	OSIS	Tue, May 7, 2019	102.20	102.99	101.19	102.64
5426	NASDAQ	OSIS	Mon, May 6, 2019	101.40	104.12	101.07	102.96
5425	NASDAQ	OSIS	Fri, May 3, 2019	100.23	104.46	99.74	103.94
5424	NASDAQ	OSIS	Thu, May 2, 2019	102.95	103.61	99.50	100.57
5423	NASDAQ	OSIS	Wed, May 1, 2019	95.00	102.61	93.37	102.20
5422	NASDAQ	OSIS	Tue, Apr 30, 2019	88.95	91.35	87.70	90.13
5421	NASDAQ	OSIS	Mon, Apr 29, 2019	88.86	90.23	88.54	88.98
5420	NASDAQ	OSIS	Fri, Apr 26, 2019	85.91	88.80	85.31	88.69
5419	NASDAQ	OSIS	Thu, Apr 25, 2019	88.29	88.41	85.60	85.78
5418	NASDAQ	OSIS	Wed, Apr 24, 2019	87.23	89.35	86.20	88.45
5417	NASDAQ	OSIS	Tue, Apr 23, 2019	86.21	87.46	85.55	87.34
5416	NASDAQ	OSIS	Mon, Apr 22, 2019	86.35	86.53	85.22	86.05
5415	NASDAQ	OSIS	Thu, Apr 18, 2019	86.52	87.06	85.80	86.50
5414	NASDAQ	OSIS	Wed, Apr 17, 2019	88.38	88.38	86.14	86.85
5413	NASDAQ	OSIS	Tue, Apr 16, 2019	88.21	88.38	87.56	88.03
5412	NASDAQ	OSIS	Mon, Apr 15, 2019	88.62	88.99	87.82	88.30
5411	NASDAQ	OSIS	Fri, Apr 12, 2019	88.41	88.52	87.49	88.48
5410	NASDAQ	OSIS	Thu, Apr 11, 2019	88.83	88.83	87.78	88.00
5409	NASDAQ	OSIS	Wed, Apr 10, 2019	88.81	89.25	88.29	88.67
5408	NASDAQ	OSIS	Tue, Apr 9, 2019	88.86	89.80	88.04	88.62
5407	NASDAQ	OSIS	Mon, Apr 8, 2019	90.82	90.95	88.82	88.96
5406	NASDAQ	OSIS	Fri, Apr 5, 2019	90.08	90.96	90.01	90.69
5405	NASDAQ	OSIS	Thu, Apr 4, 2019	89.93	90.33	89.00	89.77
5404	NASDAQ	OSIS	Wed, Apr 3, 2019	89.45	90.46	88.67	89.76
5403	NASDAQ	OSIS	Tue, Apr 2, 2019	88.89	89.22	88.11	88.92
5402	NASDAQ	OSIS	Mon, Apr 1, 2019	88.09	89.13	88.04	88.76
5401	NASDAQ	OSIS	Fri, Mar 29, 2019	86.97	87.82	86.62	87.60
5400	NASDAQ	OSIS	Thu, Mar 28, 2019	86.24	88.20	86.15	86.64
5399	NASDAQ	OSIS	Wed, Mar 27, 2019	85.77	87.23	84.86	86.05
5398	NASDAQ	OSIS	Tue, Mar 26, 2019	85.98	86.44	85.20	85.76
5397	NASDAQ	OSIS	Mon, Mar 25, 2019	85.62	86.46	84.76	85.50
5396	NASDAQ	OSIS	Fri, Mar 22, 2019	87.53	87.65	85.44	85.58
5395	NASDAQ	OSIS	Thu, Mar 21, 2019	86.53	88.64	86.53	88.02
5394	NASDAQ	OSIS	Wed, Mar 20, 2019	87.14	87.38	85.47	86.57
5393	NASDAQ	OSIS	Tue, Mar 19, 2019	86.24	88.02	86.24	87.19
5392	NASDAQ	OSIS	Mon, Mar 18, 2019	86.05	87.22	84.86	85.82
5391	NASDAQ	OSIS	Fri, Mar 15, 2019	86.84	88.22	85.75	86.01
5390	NASDAQ	OSIS	Thu, Mar 14, 2019	86.83	87.41	86.51	86.75
5389	NASDAQ	OSIS	Wed, Mar 13, 2019	85.60	87.03	85.60	86.87
5388	NASDAQ	OSIS	Tue, Mar 12, 2019	86.92	86.92	85.30	85.60
5387	NASDAQ	OSIS	Mon, Mar 11, 2019	84.89	86.79	84.89	86.72
5386	NASDAQ	OSIS	Fri, Mar 8, 2019	84.48	85.19	84.43	84.74
5385	NASDAQ	OSIS	Thu, Mar 7, 2019	85.01	85.21	84.71	84.93
5384	NASDAQ	OSIS	Wed, Mar 6, 2019	86.08	86.08	84.78	85.19
5383	NASDAQ	OSIS	Tue, Mar 5, 2019	86.60	86.60	85.82	86.14
5382	NASDAQ	OSIS	Mon, Mar 4, 2019	87.74	87.74	86.07	86.63
5381	NASDAQ	OSIS	Fri, Mar 1, 2019	87.34	88.23	86.79	87.67
5380	NASDAQ	OSIS	Thu, Feb 28, 2019	86.97	87.45	86.48	86.85
5379	NASDAQ	OSIS	Wed, Feb 27, 2019	86.85	87.49	86.33	87.16
5378	NASDAQ	OSIS	Tue, Feb 26, 2019	87.70	88.19	86.72	86.85
5377	NASDAQ	OSIS	Mon, Feb 25, 2019	90.17	90.17	87.66	87.74
5376	NASDAQ	OSIS	Fri, Feb 22, 2019	90.00	91.19	89.47	89.57
5375	NASDAQ	OSIS	Thu, Feb 21, 2019	88.60	89.88	87.40	89.79
5374	NASDAQ	OSIS	Wed, Feb 20, 2019	87.71	89.18	87.70	88.53
5373	NASDAQ	OSIS	Tue, Feb 19, 2019	87.87	88.17	86.69	87.55
5372	NASDAQ	OSIS	Fri, Feb 15, 2019	87.86	88.30	87.20	88.23
5371	NASDAQ	OSIS	Thu, Feb 14, 2019	87.68	88.50	87.33	87.45
5370	NASDAQ	OSIS	Wed, Feb 13, 2019	86.64	88.45	86.15	87.85
5369	NASDAQ	OSIS	Tue, Feb 12, 2019	86.69	86.77	85.50	86.50
5368	NASDAQ	OSIS	Mon, Feb 11, 2019	86.94	87.16	86.19	86.58
5367	NASDAQ	OSIS	Fri, Feb 8, 2019	86.02	87.57	85.62	86.71
5366	NASDAQ	OSIS	Thu, Feb 7, 2019	87.59	88.39	86.89	86.98
5365	NASDAQ	OSIS	Wed, Feb 6, 2019	88.14	88.98	87.66	88.16
5364	NASDAQ	OSIS	Tue, Feb 5, 2019	87.65	88.25	87.48	87.82
5363	NASDAQ	OSIS	Mon, Feb 4, 2019	89.14	89.14	86.05	87.38
5362	NASDAQ	OSIS	Fri, Feb 1, 2019	89.75	90.25	88.90	89.14
5361	NASDAQ	OSIS	Thu, Jan 31, 2019	88.55	90.25	87.75	89.69
5360	NASDAQ	OSIS	Wed, Jan 30, 2019	88.15	90.34	87.44	88.55
5359	NASDAQ	OSIS	Tue, Jan 29, 2019	85.91	89.08	84.90	88.48
5358	NASDAQ	OSIS	Mon, Jan 28, 2019	85.99	88.60	84.04	85.99
5357	NASDAQ	OSIS	Fri, Jan 25, 2019	84.50	86.76	81.46	86.06
5356	NASDAQ	OSIS	Thu, Jan 24, 2019	73.70	76.50	73.40	75.84
5355	NASDAQ	OSIS	Wed, Jan 23, 2019	74.00	75.40	73.07	73.74
5354	NASDAQ	OSIS	Tue, Jan 22, 2019	76.42	76.62	73.06	73.78
5353	NASDAQ	OSIS	Fri, Jan 18, 2019	77.72	77.92	76.07	76.70
5352	NASDAQ	OSIS	Thu, Jan 17, 2019	76.29	78.18	75.59	77.28
5351	NASDAQ	OSIS	Wed, Jan 16, 2019	75.58	76.88	75.13	76.62
5350	NASDAQ	OSIS	Tue, Jan 15, 2019	75.04	75.66	74.20	75.57
5349	NASDAQ	OSIS	Mon, Jan 14, 2019	76.12	76.30	74.69	74.96
5348	NASDAQ	OSIS	Fri, Jan 11, 2019	74.98	76.69	74.98	76.56
5347	NASDAQ	OSIS	Thu, Jan 10, 2019	72.64	75.88	72.37	75.34
5346	NASDAQ	OSIS	Wed, Jan 9, 2019	71.57	73.07	70.70	73.03
5345	NASDAQ	OSIS	Tue, Jan 8, 2019	72.19	72.41	70.87	71.39
5344	NASDAQ	OSIS	Mon, Jan 7, 2019	72.53	73.44	71.90	72.23
5343	NASDAQ	OSIS	Fri, Jan 4, 2019	71.19	72.66	70.66	72.54
5342	NASDAQ	OSIS	Thu, Jan 3, 2019	71.41	71.70	70.22	70.60
5341	NASDAQ	OSIS	Wed, Jan 2, 2019	72.38	73.20	71.14	71.90
5340	NASDAQ	OSIS	Mon, Dec 31, 2018	73.43	73.57	72.14	73.30
5339	NASDAQ	OSIS	Fri, Dec 28, 2018	73.00	74.29	71.49	73.31
5338	NASDAQ	OSIS	Thu, Dec 27, 2018	70.88	72.94	70.54	72.81
5337	NASDAQ	OSIS	Wed, Dec 26, 2018	69.05	71.63	68.71	71.55
5336	NASDAQ	OSIS	Mon, Dec 24, 2018	70.05	71.04	68.58	68.59
5335	NASDAQ	OSIS	Fri, Dec 21, 2018	71.89	73.99	70.01	70.42
5334	NASDAQ	OSIS	Thu, Dec 20, 2018	71.98	73.13	71.26	71.75
5333	NASDAQ	OSIS	Wed, Dec 19, 2018	72.30	73.35	71.65	72.30
5332	NASDAQ	OSIS	Tue, Dec 18, 2018	72.96	73.50	72.00	72.28
5331	NASDAQ	OSIS	Mon, Dec 17, 2018	72.51	74.39	72.03	72.44
5330	NASDAQ	OSIS	Fri, Dec 14, 2018	73.22	74.41	71.93	72.50
5329	NASDAQ	OSIS	Thu, Dec 13, 2018	74.53	74.83	73.03	73.89
5328	NASDAQ	OSIS	Wed, Dec 12, 2018	74.82	75.98	74.22	74.46
5327	NASDAQ	OSIS	Tue, Dec 11, 2018	74.11	75.50	73.20	74.23
5326	NASDAQ	OSIS	Mon, Dec 10, 2018	72.57	73.48	72.18	73.37
5325	NASDAQ	OSIS	Fri, Dec 7, 2018	71.82	73.40	71.82	72.66
5324	NASDAQ	OSIS	Thu, Dec 6, 2018	69.16	71.80	68.79	71.78
5323	NASDAQ	OSIS	Tue, Dec 4, 2018	71.96	72.43	70.27	70.45
5322	NASDAQ	OSIS	Mon, Dec 3, 2018	72.97	72.97	71.11	72.19
5321	NASDAQ	OSIS	Fri, Nov 30, 2018	72.13	72.82	71.31	72.40
5320	NASDAQ	OSIS	Thu, Nov 29, 2018	72.04	72.87	71.09	72.24
5319	NASDAQ	OSIS	Wed, Nov 28, 2018	72.00	72.65	70.60	72.05
5318	NASDAQ	OSIS	Tue, Nov 27, 2018	71.74	72.41	71.31	71.53
5317	NASDAQ	OSIS	Mon, Nov 26, 2018	73.00	74.48	72.00	72.14
5316	NASDAQ	OSIS	Fri, Nov 23, 2018	72.16	73.36	71.68	72.89
5315	NASDAQ	OSIS	Wed, Nov 21, 2018	72.02	72.81	71.42	72.64
5314	NASDAQ	OSIS	Tue, Nov 20, 2018	71.60	72.30	70.90	71.49
5313	NASDAQ	OSIS	Mon, Nov 19, 2018	74.30	74.69	72.17	72.40
5312	NASDAQ	OSIS	Fri, Nov 16, 2018	74.05	75.44	73.63	74.42
5311	NASDAQ	OSIS	Thu, Nov 15, 2018	73.17	75.20	72.59	74.61
5310	NASDAQ	OSIS	Wed, Nov 14, 2018	74.49	74.90	73.05	73.69
5309	NASDAQ	OSIS	Tue, Nov 13, 2018	73.67	74.99	71.86	73.94
5308	NASDAQ	OSIS	Mon, Nov 12, 2018	74.33	75.06	73.23	73.60
5307	NASDAQ	OSIS	Fri, Nov 9, 2018	74.85	74.85	73.78	74.52
5306	NASDAQ	OSIS	Thu, Nov 8, 2018	75.78	76.01	74.53	75.03
5305	NASDAQ	OSIS	Wed, Nov 7, 2018	73.63	76.18	72.81	76.01
5304	NASDAQ	OSIS	Tue, Nov 6, 2018	71.96	73.43	71.55	73.22
5303	NASDAQ	OSIS	Mon, Nov 5, 2018	72.28	72.61	70.73	71.95
5302	NASDAQ	OSIS	Fri, Nov 2, 2018	70.15	72.48	69.93	72.18
5301	NASDAQ	OSIS	Thu, Nov 1, 2018	69.49	70.79	69.17	69.96
5300	NASDAQ	OSIS	Wed, Oct 31, 2018	69.70	69.79	68.77	69.16
5299	NASDAQ	OSIS	Tue, Oct 30, 2018	68.20	70.20	67.72	68.90
5298	NASDAQ	OSIS	Mon, Oct 29, 2018	71.60	71.60	67.23	68.18
5297	NASDAQ	OSIS	Fri, Oct 26, 2018	72.41	72.41	67.93	70.90
5296	NASDAQ	OSIS	Thu, Oct 25, 2018	67.85	68.80	67.15	68.58
5295	NASDAQ	OSIS	Wed, Oct 24, 2018	70.64	70.94	67.43	67.56
5294	NASDAQ	OSIS	Tue, Oct 23, 2018	70.82	72.01	69.54	70.63
5293	NASDAQ	OSIS	Mon, Oct 22, 2018	70.90	72.95	70.84	71.67
5292	NASDAQ	OSIS	Fri, Oct 19, 2018	71.66	72.47	70.31	70.87
5291	NASDAQ	OSIS	Thu, Oct 18, 2018	72.01	73.13	71.45	71.66
5290	NASDAQ	OSIS	Wed, Oct 17, 2018	73.49	73.60	71.47	72.21
5289	NASDAQ	OSIS	Tue, Oct 16, 2018	71.61	73.86	70.81	73.62
5288	NASDAQ	OSIS	Mon, Oct 15, 2018	69.85	71.72	69.70	71.37
5287	NASDAQ	OSIS	Fri, Oct 12, 2018	70.35	70.82	68.57	69.57
5286	NASDAQ	OSIS	Thu, Oct 11, 2018	69.39	70.85	68.75	69.30
5285	NASDAQ	OSIS	Wed, Oct 10, 2018	71.61	72.11	69.67	69.69
5284	NASDAQ	OSIS	Tue, Oct 9, 2018	71.96	72.41	71.10	71.68
5283	NASDAQ	OSIS	Mon, Oct 8, 2018	72.67	72.68	71.17	71.98
5282	NASDAQ	OSIS	Fri, Oct 5, 2018	73.53	73.83	71.71	72.68
5281	NASDAQ	OSIS	Thu, Oct 4, 2018	74.37	75.26	73.15	73.49
5280	NASDAQ	OSIS	Wed, Oct 3, 2018	74.62	74.92	73.76	74.66
5279	NASDAQ	OSIS	Tue, Oct 2, 2018	75.15	75.77	74.17	74.32
5278	NASDAQ	OSIS	Mon, Oct 1, 2018	76.75	76.91	75.03	75.22
5277	NASDAQ	OSIS	Fri, Sep 28, 2018	76.20	77.53	76.15	76.31
5276	NASDAQ	OSIS	Thu, Sep 27, 2018	76.32	77.12	75.89	76.27
5275	NASDAQ	OSIS	Wed, Sep 26, 2018	77.38	77.38	75.90	76.08
5274	NASDAQ	OSIS	Tue, Sep 25, 2018	78.00	78.45	76.98	77.15
5273	NASDAQ	OSIS	Mon, Sep 24, 2018	78.14	78.32	76.83	77.99
5272	NASDAQ	OSIS	Fri, Sep 21, 2018	77.94	78.74	77.28	78.32
5271	NASDAQ	OSIS	Thu, Sep 20, 2018	76.99	77.95	76.26	77.69
5270	NASDAQ	OSIS	Wed, Sep 19, 2018	76.18	76.96	76.00	76.59
5269	NASDAQ	OSIS	Tue, Sep 18, 2018	76.01	76.46	75.67	76.08
5268	NASDAQ	OSIS	Mon, Sep 17, 2018	76.80	77.32	75.77	76.01
5267	NASDAQ	OSIS	Fri, Sep 14, 2018	75.63	76.93	75.27	75.89
5266	NASDAQ	OSIS	Thu, Sep 13, 2018	75.69	76.37	75.33	75.64
5265	NASDAQ	OSIS	Wed, Sep 12, 2018	74.99	75.82	74.00	75.41
5264	NASDAQ	OSIS	Tue, Sep 11, 2018	74.20	75.70	74.14	75.06
5263	NASDAQ	OSIS	Mon, Sep 10, 2018	76.95	77.66	73.70	74.42
5262	NASDAQ	OSIS	Fri, Sep 7, 2018	76.17	77.05	75.96	76.86
5261	NASDAQ	OSIS	Thu, Sep 6, 2018	77.07	77.38	76.13	76.28
5260	NASDAQ	OSIS	Wed, Sep 5, 2018	76.86	77.28	75.92	76.98
5259	NASDAQ	OSIS	Tue, Sep 4, 2018	77.77	77.77	76.55	77.36
5258	NASDAQ	OSIS	Fri, Aug 31, 2018	78.18	78.24	76.82	77.89
5257	NASDAQ	OSIS	Thu, Aug 30, 2018	77.10	78.51	76.60	78.51
5256	NASDAQ	OSIS	Wed, Aug 29, 2018	77.52	77.96	76.82	77.27
5255	NASDAQ	OSIS	Tue, Aug 28, 2018	78.19	78.48	76.52	77.01
5254	NASDAQ	OSIS	Mon, Aug 27, 2018	77.06	79.01	77.01	77.95
5253	NASDAQ	OSIS	Fri, Aug 24, 2018	82.94	82.94	74.92	76.63
5252	NASDAQ	OSIS	Thu, Aug 23, 2018	76.46	77.90	75.36	77.16
5251	NASDAQ	OSIS	Wed, Aug 22, 2018	78.68	79.66	76.28	76.70
5250	NASDAQ	OSIS	Tue, Aug 21, 2018	79.02	79.02	77.75	78.67
5249	NASDAQ	OSIS	Mon, Aug 20, 2018	77.58	78.86	77.15	77.74
5248	NASDAQ	OSIS	Fri, Aug 17, 2018	78.04	78.04	76.45	77.58
5247	NASDAQ	OSIS	Thu, Aug 16, 2018	78.20	78.65	77.70	77.90
5246	NASDAQ	OSIS	Wed, Aug 15, 2018	79.06	79.24	76.97	78.00
5245	NASDAQ	OSIS	Tue, Aug 14, 2018	78.80	79.76	78.48	79.36
5244	NASDAQ	OSIS	Mon, Aug 13, 2018	79.34	79.65	78.29	78.71
5243	NASDAQ	OSIS	Fri, Aug 10, 2018	80.26	81.93	79.06	79.35
5242	NASDAQ	OSIS	Thu, Aug 9, 2018	80.02	81.71	79.35	80.65
5241	NASDAQ	OSIS	Wed, Aug 8, 2018	80.06	80.98	79.05	79.92
5240	NASDAQ	OSIS	Tue, Aug 7, 2018	79.74	81.29	79.46	79.89
5239	NASDAQ	OSIS	Mon, Aug 6, 2018	78.91	80.19	78.91	79.61
5238	NASDAQ	OSIS	Fri, Aug 3, 2018	79.20	79.60	77.96	78.91
5237	NASDAQ	OSIS	Thu, Aug 2, 2018	77.06	79.46	77.06	79.17
5236	NASDAQ	OSIS	Wed, Aug 1, 2018	79.76	79.76	77.00	77.37
5235	NASDAQ	OSIS	Tue, Jul 31, 2018	77.36	79.78	77.36	79.76
5234	NASDAQ	OSIS	Mon, Jul 30, 2018	77.10	77.93	76.69	77.24
5233	NASDAQ	OSIS	Fri, Jul 27, 2018	78.14	78.76	76.49	77.10
5232	NASDAQ	OSIS	Thu, Jul 26, 2018	77.71	79.08	77.64	78.14
5231	NASDAQ	OSIS	Wed, Jul 25, 2018	76.76	78.16	76.64	77.72
5230	NASDAQ	OSIS	Tue, Jul 24, 2018	78.69	79.41	75.96	76.76
5229	NASDAQ	OSIS	Mon, Jul 23, 2018	78.12	78.85	77.50	78.40
5228	NASDAQ	OSIS	Fri, Jul 20, 2018	77.69	78.65	77.04	78.13
5227	NASDAQ	OSIS	Thu, Jul 19, 2018	78.37	78.65	77.14	77.62
5226	NASDAQ	OSIS	Wed, Jul 18, 2018	78.20	78.83	78.00	78.50
5225	NASDAQ	OSIS	Tue, Jul 17, 2018	76.91	78.53	76.79	78.20
5224	NASDAQ	OSIS	Mon, Jul 16, 2018	77.32	78.37	76.66	77.10
5223	NASDAQ	OSIS	Fri, Jul 13, 2018	76.90	77.97	76.61	77.26
5222	NASDAQ	OSIS	Thu, Jul 12, 2018	76.97	77.23	76.23	77.06
5221	NASDAQ	OSIS	Wed, Jul 11, 2018	77.70	78.31	76.45	76.57
5220	NASDAQ	OSIS	Tue, Jul 10, 2018	78.58	79.15	77.52	78.11
5219	NASDAQ	OSIS	Mon, Jul 9, 2018	79.04	79.28	77.37	78.73
5218	NASDAQ	OSIS	Fri, Jul 6, 2018	78.68	79.41	78.46	78.59
5217	NASDAQ	OSIS	Thu, Jul 5, 2018	78.52	79.30	78.21	78.67
5216	NASDAQ	OSIS	Tue, Jul 3, 2018	78.14	78.78	77.92	78.18
5215	NASDAQ	OSIS	Mon, Jul 2, 2018	76.89	78.03	76.25	77.93
5214	NASDAQ	OSIS	Fri, Jun 29, 2018	78.48	78.97	77.26	77.33
5213	NASDAQ	OSIS	Thu, Jun 28, 2018	77.77	78.22	77.27	77.87
5212	NASDAQ	OSIS	Wed, Jun 27, 2018	78.02	78.72	77.56	77.99
5211	NASDAQ	OSIS	Tue, Jun 26, 2018	77.19	79.36	76.37	78.25
5210	NASDAQ	OSIS	Mon, Jun 25, 2018	76.93	78.34	74.75	76.98
5209	NASDAQ	OSIS	Fri, Jun 22, 2018	79.00	79.00	77.12	77.22
5208	NASDAQ	OSIS	Thu, Jun 21, 2018	76.57	79.59	76.57	78.93
5207	NASDAQ	OSIS	Wed, Jun 20, 2018	78.88	80.19	78.00	79.87
5206	NASDAQ	OSIS	Tue, Jun 19, 2018	77.80	79.06	76.60	78.43
5205	NASDAQ	OSIS	Mon, Jun 18, 2018	76.85	79.99	76.13	78.32
5204	NASDAQ	OSIS	Fri, Jun 15, 2018	76.58	77.55	75.59	77.20
5203	NASDAQ	OSIS	Thu, Jun 14, 2018	75.76	76.72	73.90	76.63
5202	NASDAQ	OSIS	Wed, Jun 13, 2018	75.05	75.75	74.20	75.36
5201	NASDAQ	OSIS	Tue, Jun 12, 2018	74.69	75.04	72.94	74.97
5200	NASDAQ	OSIS	Mon, Jun 11, 2018	73.41	74.92	73.22	74.60
5199	NASDAQ	OSIS	Fri, Jun 8, 2018	72.52	73.70	72.00	73.58
5198	NASDAQ	OSIS	Thu, Jun 7, 2018	73.00	73.25	72.57	72.62
5197	NASDAQ	OSIS	Wed, Jun 6, 2018	73.00	73.35	71.11	73.01
5196	NASDAQ	OSIS	Tue, Jun 5, 2018	72.09	72.98	69.39	72.80
5195	NASDAQ	OSIS	Mon, Jun 4, 2018	70.05	72.41	69.94	72.11
5194	NASDAQ	OSIS	Fri, Jun 1, 2018	69.05	70.47	68.77	69.84
5193	NASDAQ	OSIS	Thu, May 31, 2018	69.36	69.71	68.39	68.58
5192	NASDAQ	OSIS	Wed, May 30, 2018	68.43	70.04	67.82	69.33
5191	NASDAQ	OSIS	Tue, May 29, 2018	67.45	68.47	67.45	68.22
5190	NASDAQ	OSIS	Fri, May 25, 2018	67.76	68.21	67.29	67.93
5189	NASDAQ	OSIS	Thu, May 24, 2018	67.92	68.34	67.03	67.94
5188	NASDAQ	OSIS	Wed, May 23, 2018	67.00	68.12	66.70	67.91
5187	NASDAQ	OSIS	Tue, May 22, 2018	67.85	68.37	67.20	67.39
5186	NASDAQ	OSIS	Mon, May 21, 2018	67.94	68.55	67.44	67.61
5185	NASDAQ	OSIS	Fri, May 18, 2018	67.66	68.15	67.02	67.65
5184	NASDAQ	OSIS	Thu, May 17, 2018	67.83	68.47	67.49	67.72
5183	NASDAQ	OSIS	Wed, May 16, 2018	67.71	68.00	67.37	67.66
5182	NASDAQ	OSIS	Tue, May 15, 2018	68.27	68.94	67.13	67.40
5181	NASDAQ	OSIS	Mon, May 14, 2018	69.13	70.30	68.31	68.45
5180	NASDAQ	OSIS	Fri, May 11, 2018	69.40	69.95	68.65	69.12
5179	NASDAQ	OSIS	Thu, May 10, 2018	68.88	69.51	68.73	69.13
5178	NASDAQ	OSIS	Wed, May 9, 2018	68.29	69.59	67.36	68.66
5177	NASDAQ	OSIS	Tue, May 8, 2018	67.37	68.12	67.02	68.04
5176	NASDAQ	OSIS	Mon, May 7, 2018	67.56	68.42	67.12	67.46
5175	NASDAQ	OSIS	Fri, May 4, 2018	65.57	67.67	65.39	67.31
5174	NASDAQ	OSIS	Thu, May 3, 2018	66.23	66.35	65.13	65.72
5173	NASDAQ	OSIS	Wed, May 2, 2018	66.16	67.15	66.16	66.44
5172	NASDAQ	OSIS	Tue, May 1, 2018	63.72	66.24	63.00	65.99
5171	NASDAQ	OSIS	Mon, Apr 30, 2018	63.53	64.60	63.53	64.02
5170	NASDAQ	OSIS	Fri, Apr 27, 2018	70.50	70.50	62.20	63.60
5169	NASDAQ	OSIS	Thu, Apr 26, 2018	67.75	68.96	67.28	67.96
5168	NASDAQ	OSIS	Wed, Apr 25, 2018	67.83	68.23	66.85	67.68
5167	NASDAQ	OSIS	Tue, Apr 24, 2018	68.52	68.68	66.99	67.70
5166	NASDAQ	OSIS	Mon, Apr 23, 2018	68.66	69.60	67.90	68.22
5165	NASDAQ	OSIS	Fri, Apr 20, 2018	67.82	68.34	66.88	68.18
5164	NASDAQ	OSIS	Thu, Apr 19, 2018	68.41	68.71	67.63	67.82
5163	NASDAQ	OSIS	Wed, Apr 18, 2018	68.99	68.99	68.10	68.83
5162	NASDAQ	OSIS	Tue, Apr 17, 2018	67.44	69.04	66.08	68.81
5161	NASDAQ	OSIS	Mon, Apr 16, 2018	66.77	67.93	66.26	67.11
5160	NASDAQ	OSIS	Fri, Apr 13, 2018	66.69	66.69	65.34	66.42
5159	NASDAQ	OSIS	Thu, Apr 12, 2018	65.45	66.46	65.17	66.34
5158	NASDAQ	OSIS	Wed, Apr 11, 2018	64.17	65.70	63.83	65.21
5157	NASDAQ	OSIS	Tue, Apr 10, 2018	63.73	64.83	63.19	64.50
5156	NASDAQ	OSIS	Mon, Apr 9, 2018	63.30	64.30	62.90	62.96
5155	NASDAQ	OSIS	Fri, Apr 6, 2018	63.75	64.99	62.37	63.04
5154	NASDAQ	OSIS	Thu, Apr 5, 2018	64.23	64.79	63.66	64.38
5153	NASDAQ	OSIS	Wed, Apr 4, 2018	63.30	63.93	62.41	63.65
5152	NASDAQ	OSIS	Tue, Apr 3, 2018	62.37	64.48	61.95	64.33
5151	NASDAQ	OSIS	Mon, Apr 2, 2018	64.37	64.88	61.72	62.00
5150	NASDAQ	OSIS	Thu, Mar 29, 2018	63.93	66.07	63.63	65.27
5149	NASDAQ	OSIS	Wed, Mar 28, 2018	63.68	64.12	61.51	63.61
5148	NASDAQ	OSIS	Tue, Mar 27, 2018	65.28	65.28	63.49	63.70
5147	NASDAQ	OSIS	Mon, Mar 26, 2018	65.46	65.46	63.78	64.91
5146	NASDAQ	OSIS	Fri, Mar 23, 2018	65.41	66.35	64.20	64.38
5145	NASDAQ	OSIS	Thu, Mar 22, 2018	66.92	68.18	65.22	65.24
5144	NASDAQ	OSIS	Wed, Mar 21, 2018	67.26	68.23	67.09	67.47
5143	NASDAQ	OSIS	Tue, Mar 20, 2018	66.94	67.49	66.94	67.24
5142	NASDAQ	OSIS	Mon, Mar 19, 2018	67.40	67.53	65.81	66.84
5141	NASDAQ	OSIS	Fri, Mar 16, 2018	66.72	67.95	66.53	67.67
5140	NASDAQ	OSIS	Thu, Mar 15, 2018	67.29	68.14	66.64	66.72
5139	NASDAQ	OSIS	Wed, Mar 14, 2018	67.98	68.07	67.00	67.31
5138	NASDAQ	OSIS	Tue, Mar 13, 2018	68.44	69.27	67.54	67.73
5137	NASDAQ	OSIS	Mon, Mar 12, 2018	68.74	69.39	67.76	68.19
5136	NASDAQ	OSIS	Fri, Mar 9, 2018	67.64	69.00	67.14	68.46
5135	NASDAQ	OSIS	Thu, Mar 8, 2018	67.10	67.61	66.39	67.08
5134	NASDAQ	OSIS	Wed, Mar 7, 2018	65.49	67.83	65.49	67.10
5133	NASDAQ	OSIS	Tue, Mar 6, 2018	64.63	65.77	64.00	65.55
5132	NASDAQ	OSIS	Mon, Mar 5, 2018	63.01	64.37	62.66	63.99
5131	NASDAQ	OSIS	Fri, Mar 2, 2018	61.53	63.57	61.51	63.33
5130	NASDAQ	OSIS	Thu, Mar 1, 2018	63.33	63.75	61.58	62.15
5129	NASDAQ	OSIS	Wed, Feb 28, 2018	64.72	64.72	63.13	63.14
5128	NASDAQ	OSIS	Tue, Feb 27, 2018	64.48	65.00	64.13	64.28
5127	NASDAQ	OSIS	Mon, Feb 26, 2018	64.03	64.95	63.65	64.42
5126	NASDAQ	OSIS	Fri, Feb 23, 2018	63.92	64.27	63.28	64.04
5125	NASDAQ	OSIS	Thu, Feb 22, 2018	64.16	64.74	63.21	63.49
5124	NASDAQ	OSIS	Wed, Feb 21, 2018	63.32	65.55	63.10	64.00
5123	NASDAQ	OSIS	Tue, Feb 20, 2018	63.03	64.08	62.18	63.11
5122	NASDAQ	OSIS	Fri, Feb 16, 2018	61.71	63.37	61.24	63.08
5121	NASDAQ	OSIS	Thu, Feb 15, 2018	60.90	62.01	60.45	61.96
5120	NASDAQ	OSIS	Wed, Feb 14, 2018	59.34	60.97	58.86	60.45
5119	NASDAQ	OSIS	Tue, Feb 13, 2018	59.62	60.11	59.44	59.78
5118	NASDAQ	OSIS	Mon, Feb 12, 2018	58.94	60.33	57.81	60.03
5117	NASDAQ	OSIS	Fri, Feb 9, 2018	59.03	60.77	57.60	58.91
5116	NASDAQ	OSIS	Thu, Feb 8, 2018	59.83	60.84	57.66	57.70
5115	NASDAQ	OSIS	Wed, Feb 7, 2018	57.94	61.25	57.77	59.92
5114	NASDAQ	OSIS	Tue, Feb 6, 2018	55.22	59.20	54.12	58.22
5113	NASDAQ	OSIS	Mon, Feb 5, 2018	54.08	56.41	54.01	55.20
5112	NASDAQ	OSIS	Fri, Feb 2, 2018	54.68	56.74	50.50	54.60
5111	NASDAQ	OSIS	Thu, Feb 1, 2018	65.84	66.97	64.47	66.60
5110	NASDAQ	OSIS	Wed, Jan 31, 2018	66.64	66.87	64.81	66.08
5109	NASDAQ	OSIS	Tue, Jan 30, 2018	66.06	66.57	65.69	66.32
5108	NASDAQ	OSIS	Mon, Jan 29, 2018	67.10	67.44	66.45	66.58
5107	NASDAQ	OSIS	Fri, Jan 26, 2018	67.88	68.01	67.14	67.34
5106	NASDAQ	OSIS	Thu, Jan 25, 2018	66.70	67.87	66.00	67.38
5105	NASDAQ	OSIS	Wed, Jan 24, 2018	67.55	68.21	66.25	66.57
5104	NASDAQ	OSIS	Tue, Jan 23, 2018	68.56	68.76	67.24	67.53
5103	NASDAQ	OSIS	Mon, Jan 22, 2018	68.35	68.92	67.40	68.89
5102	NASDAQ	OSIS	Fri, Jan 19, 2018	68.05	68.73	67.88	68.53
5101	NASDAQ	OSIS	Thu, Jan 18, 2018	69.25	69.76	67.40	68.16
5100	NASDAQ	OSIS	Wed, Jan 17, 2018	71.86	72.94	69.17	69.32
5099	NASDAQ	OSIS	Tue, Jan 16, 2018	71.99	73.28	70.18	71.67
5098	NASDAQ	OSIS	Fri, Jan 12, 2018	67.63	68.22	66.61	67.68
5097	NASDAQ	OSIS	Thu, Jan 11, 2018	67.27	67.96	66.53	67.49
5096	NASDAQ	OSIS	Wed, Jan 10, 2018	64.95	67.67	63.67	67.21
5095	NASDAQ	OSIS	Tue, Jan 9, 2018	66.20	66.34	64.69	64.78
5094	NASDAQ	OSIS	Mon, Jan 8, 2018	66.39	66.82	65.45	66.21
5093	NASDAQ	OSIS	Fri, Jan 5, 2018	66.26	66.73	65.75	66.68
5092	NASDAQ	OSIS	Thu, Jan 4, 2018	65.81	66.38	65.04	66.21
5091	NASDAQ	OSIS	Wed, Jan 3, 2018	65.33	65.89	65.19	65.65
5090	NASDAQ	OSIS	Tue, Jan 2, 2018	64.85	65.84	63.42	65.12
5089	NASDAQ	OSIS	Fri, Dec 29, 2017	64.29	65.01	64.00	64.38
5088	NASDAQ	OSIS	Thu, Dec 28, 2017	64.10	64.70	62.00	63.92
5087	NASDAQ	OSIS	Wed, Dec 27, 2017	64.50	64.84	63.84	64.19
5086	NASDAQ	OSIS	Tue, Dec 26, 2017	65.58	65.84	64.10	64.48
5085	NASDAQ	OSIS	Fri, Dec 22, 2017	66.84	66.84	65.58	65.91
5084	NASDAQ	OSIS	Thu, Dec 21, 2017	66.57	66.88	66.06	66.70
5083	NASDAQ	OSIS	Wed, Dec 20, 2017	66.91	67.16	65.85	66.48
5082	NASDAQ	OSIS	Tue, Dec 19, 2017	67.25	67.52	66.21	66.48
5081	NASDAQ	OSIS	Mon, Dec 18, 2017	66.10	67.67	66.02	67.30
5080	NASDAQ	OSIS	Fri, Dec 15, 2017	65.41	66.74	65.41	65.77
5079	NASDAQ	OSIS	Thu, Dec 14, 2017	66.40	67.19	64.95	65.19
5078	NASDAQ	OSIS	Wed, Dec 13, 2017	66.90	68.44	65.72	66.38
5077	NASDAQ	OSIS	Tue, Dec 12, 2017	66.16	67.45	65.28	67.10
5076	NASDAQ	OSIS	Mon, Dec 11, 2017	68.21	68.69	65.16	66.43
5075	NASDAQ	OSIS	Fri, Dec 8, 2017	64.25	68.50	64.05	68.42
5074	NASDAQ	OSIS	Thu, Dec 7, 2017	65.20	66.00	62.65	64.13
5073	NASDAQ	OSIS	Wed, Dec 6, 2017	83.87	85.24	53.80	59.52
5072	NASDAQ	OSIS	Tue, Dec 5, 2017	84.01	84.85	83.72	84.07
5071	NASDAQ	OSIS	Mon, Dec 4, 2017	85.26	87.19	83.80	83.80
5070	NASDAQ	OSIS	Fri, Dec 1, 2017	86.64	86.76	84.21	84.50
5069	NASDAQ	OSIS	Thu, Nov 30, 2017	87.35	87.35	86.31	86.66
5068	NASDAQ	OSIS	Wed, Nov 29, 2017	88.21	88.64	86.70	86.91
5067	NASDAQ	OSIS	Tue, Nov 28, 2017	88.90	89.60	86.65	88.32
5066	NASDAQ	OSIS	Mon, Nov 27, 2017	89.00	89.37	87.49	88.76
5065	NASDAQ	OSIS	Fri, Nov 24, 2017	89.15	89.35	88.58	88.83
5064	NASDAQ	OSIS	Wed, Nov 22, 2017	90.04	90.45	88.89	88.96
5063	NASDAQ	OSIS	Tue, Nov 21, 2017	90.36	90.86	89.56	90.06
5062	NASDAQ	OSIS	Mon, Nov 20, 2017	90.46	90.68	89.61	89.99
5061	NASDAQ	OSIS	Fri, Nov 17, 2017	90.47	90.94	89.91	90.41
5060	NASDAQ	OSIS	Thu, Nov 16, 2017	89.26	91.45	88.86	90.56
5059	NASDAQ	OSIS	Wed, Nov 15, 2017	90.06	90.06	88.68	88.93
5058	NASDAQ	OSIS	Tue, Nov 14, 2017	90.36	91.04	89.88	90.49
5057	NASDAQ	OSIS	Mon, Nov 13, 2017	89.87	91.23	89.87	90.70
5056	NASDAQ	OSIS	Fri, Nov 10, 2017	90.00	91.00	89.60	90.29
5055	NASDAQ	OSIS	Thu, Nov 9, 2017	89.60	90.66	89.48	89.90
5054	NASDAQ	OSIS	Wed, Nov 8, 2017	89.10	90.44	88.41	90.20
5053	NASDAQ	OSIS	Tue, Nov 7, 2017	90.64	90.64	88.52	89.04
5052	NASDAQ	OSIS	Mon, Nov 6, 2017	89.59	91.37	89.45	90.75
5051	NASDAQ	OSIS	Fri, Nov 3, 2017	89.51	90.21	89.29	89.89
5050	NASDAQ	OSIS	Thu, Nov 2, 2017	89.07	90.31	88.15	89.83
5049	NASDAQ	OSIS	Wed, Nov 1, 2017	88.94	89.43	87.82	88.58
5048	NASDAQ	OSIS	Tue, Oct 31, 2017	88.25	89.48	87.79	88.38
5047	NASDAQ	OSIS	Mon, Oct 30, 2017	90.60	90.96	86.92	88.10
5046	NASDAQ	OSIS	Fri, Oct 27, 2017	94.31	95.89	83.70	91.24
5045	NASDAQ	OSIS	Thu, Oct 26, 2017	91.82	92.38	89.28	91.43
5044	NASDAQ	OSIS	Wed, Oct 25, 2017	91.61	91.95	89.72	91.25
5043	NASDAQ	OSIS	Tue, Oct 24, 2017	93.05	93.71	91.63	92.01
5042	NASDAQ	OSIS	Mon, Oct 23, 2017	94.00	94.35	92.41	92.51
5041	NASDAQ	OSIS	Fri, Oct 20, 2017	94.37	95.01	93.63	93.83
5040	NASDAQ	OSIS	Thu, Oct 19, 2017	94.31	94.59	93.14	93.74
5039	NASDAQ	OSIS	Wed, Oct 18, 2017	94.85	95.19	94.01	94.80
5038	NASDAQ	OSIS	Tue, Oct 17, 2017	95.50	95.95	94.03	94.47
5037	NASDAQ	OSIS	Mon, Oct 16, 2017	95.34	96.48	95.00	95.35
5036	NASDAQ	OSIS	Fri, Oct 13, 2017	96.27	96.64	95.25	95.43
5035	NASDAQ	OSIS	Thu, Oct 12, 2017	95.20	96.33	95.04	95.76
5034	NASDAQ	OSIS	Wed, Oct 11, 2017	95.80	96.22	95.12	95.32
5033	NASDAQ	OSIS	Tue, Oct 10, 2017	95.63	95.95	94.13	95.21
5032	NASDAQ	OSIS	Mon, Oct 9, 2017	96.44	96.63	95.15	95.50
5031	NASDAQ	OSIS	Fri, Oct 6, 2017	93.55	96.08	93.40	95.67
5030	NASDAQ	OSIS	Thu, Oct 5, 2017	93.57	93.74	93.02	93.38
5029	NASDAQ	OSIS	Wed, Oct 4, 2017	93.00	93.50	92.11	92.94
5028	NASDAQ	OSIS	Tue, Oct 3, 2017	92.97	93.56	91.09	92.51
5027	NASDAQ	OSIS	Mon, Oct 2, 2017	91.89	92.17	90.97	92.11
5026	NASDAQ	OSIS	Fri, Sep 29, 2017	90.75	92.34	90.18	91.37
5025	NASDAQ	OSIS	Thu, Sep 28, 2017	90.58	91.33	90.04	90.74
5024	NASDAQ	OSIS	Wed, Sep 27, 2017	88.47	92.03	87.75	90.61
5023	NASDAQ	OSIS	Tue, Sep 26, 2017	86.29	88.58	86.19	87.99
5022	NASDAQ	OSIS	Mon, Sep 25, 2017	86.59	86.91	85.40	85.81
5021	NASDAQ	OSIS	Fri, Sep 22, 2017	86.80	87.91	85.97	86.89
5020	NASDAQ	OSIS	Thu, Sep 21, 2017	86.27	87.05	83.90	86.75
5019	NASDAQ	OSIS	Wed, Sep 20, 2017	86.47	86.88	85.41	86.49
5018	NASDAQ	OSIS	Tue, Sep 19, 2017	85.45	86.59	85.45	86.16
5017	NASDAQ	OSIS	Mon, Sep 18, 2017	84.30	85.87	83.69	85.59
5016	NASDAQ	OSIS	Fri, Sep 15, 2017	83.00	84.50	82.39	84.27
5015	NASDAQ	OSIS	Thu, Sep 14, 2017	82.37	83.11	82.02	82.99
5014	NASDAQ	OSIS	Wed, Sep 13, 2017	82.50	83.02	82.24	82.53
5013	NASDAQ	OSIS	Tue, Sep 12, 2017	82.28	83.08	81.10	82.78
5012	NASDAQ	OSIS	Mon, Sep 11, 2017	82.46	82.88	81.55	81.96
5011	NASDAQ	OSIS	Fri, Sep 8, 2017	83.89	83.89	81.96	82.39
5010	NASDAQ	OSIS	Thu, Sep 7, 2017	83.89	83.89	82.65	83.41
5009	NASDAQ	OSIS	Wed, Sep 6, 2017	83.94	83.95	82.78	83.61
5008	NASDAQ	OSIS	Tue, Sep 5, 2017	83.12	83.95	82.34	83.52
5007	NASDAQ	OSIS	Fri, Sep 1, 2017	83.62	84.10	82.98	83.45
5006	NASDAQ	OSIS	Thu, Aug 31, 2017	83.09	84.19	82.94	83.06
5005	NASDAQ	OSIS	Wed, Aug 30, 2017	83.12	83.85	82.15	83.18
5004	NASDAQ	OSIS	Tue, Aug 29, 2017	82.89	84.46	82.44	83.68
5003	NASDAQ	OSIS	Mon, Aug 28, 2017	83.99	84.05	81.66	82.96
5002	NASDAQ	OSIS	Fri, Aug 25, 2017	81.88	86.14	80.59	83.83
5001	NASDAQ	OSIS	Thu, Aug 24, 2017	78.61	79.60	78.52	79.23
5000	NASDAQ	OSIS	Wed, Aug 23, 2017	79.04	79.39	78.04	78.77
4999	NASDAQ	OSIS	Tue, Aug 22, 2017	78.66	79.76	78.51	78.96
4998	NASDAQ	OSIS	Mon, Aug 21, 2017	78.48	78.65	77.54	78.37
4997	NASDAQ	OSIS	Fri, Aug 18, 2017	78.47	79.30	78.09	78.43
4996	NASDAQ	OSIS	Thu, Aug 17, 2017	80.07	80.26	78.72	78.85
4995	NASDAQ	OSIS	Wed, Aug 16, 2017	81.41	81.92	79.87	80.14
4994	NASDAQ	OSIS	Tue, Aug 15, 2017	82.23	83.54	81.40	81.57
4993	NASDAQ	OSIS	Mon, Aug 14, 2017	81.54	82.24	80.79	82.11
4992	NASDAQ	OSIS	Fri, Aug 11, 2017	80.97	81.30	79.59	80.98
4991	NASDAQ	OSIS	Thu, Aug 10, 2017	79.85	81.44	79.67	80.60
4990	NASDAQ	OSIS	Wed, Aug 9, 2017	79.11	80.29	78.46	79.60
4989	NASDAQ	OSIS	Tue, Aug 8, 2017	80.01	81.10	79.24	79.35
4988	NASDAQ	OSIS	Mon, Aug 7, 2017	79.28	80.27	79.07	79.88
4987	NASDAQ	OSIS	Fri, Aug 4, 2017	79.14	79.76	79.01	79.30
4986	NASDAQ	OSIS	Thu, Aug 3, 2017	78.87	79.39	78.58	79.12
4985	NASDAQ	OSIS	Wed, Aug 2, 2017	80.84	80.84	78.65	78.88
4984	NASDAQ	OSIS	Tue, Aug 1, 2017	80.42	81.51	79.94	80.72
4983	NASDAQ	OSIS	Mon, Jul 31, 2017	79.60	80.86	79.09	79.97
4982	NASDAQ	OSIS	Fri, Jul 28, 2017	79.16	80.20	78.84	79.61
4981	NASDAQ	OSIS	Thu, Jul 27, 2017	80.25	80.53	78.37	79.59
4980	NASDAQ	OSIS	Wed, Jul 26, 2017	80.25	80.25	79.32	79.90
4979	NASDAQ	OSIS	Tue, Jul 25, 2017	80.00	80.06	79.61	79.99
4978	NASDAQ	OSIS	Mon, Jul 24, 2017	78.50	79.63	78.50	79.37
4977	NASDAQ	OSIS	Fri, Jul 21, 2017	79.17	79.17	78.40	78.57
4976	NASDAQ	OSIS	Thu, Jul 20, 2017	78.48	79.33	78.41	78.91
4975	NASDAQ	OSIS	Wed, Jul 19, 2017	77.52	78.76	77.48	78.60
4974	NASDAQ	OSIS	Tue, Jul 18, 2017	77.66	78.09	77.00	77.48
4973	NASDAQ	OSIS	Mon, Jul 17, 2017	78.25	78.55	77.10	78.03
4972	NASDAQ	OSIS	Fri, Jul 14, 2017	77.73	78.63	77.45	78.26
4971	NASDAQ	OSIS	Thu, Jul 13, 2017	77.72	78.40	76.86	77.97
4970	NASDAQ	OSIS	Wed, Jul 12, 2017	77.24	78.34	76.70	77.73
4969	NASDAQ	OSIS	Tue, Jul 11, 2017	76.44	77.40	76.36	76.66
4968	NASDAQ	OSIS	Mon, Jul 10, 2017	76.38	76.80	75.46	76.25
4967	NASDAQ	OSIS	Fri, Jul 7, 2017	75.35	76.84	75.20	76.63
4966	NASDAQ	OSIS	Thu, Jul 6, 2017	75.61	75.69	74.96	75.06
4965	NASDAQ	OSIS	Wed, Jul 5, 2017	76.26	77.17	75.57	76.10
4964	NASDAQ	OSIS	Mon, Jul 3, 2017	75.49	77.11	75.28	76.26
4963	NASDAQ	OSIS	Fri, Jun 30, 2017	75.31	76.44	74.74	75.15
4962	NASDAQ	OSIS	Thu, Jun 29, 2017	75.50	75.77	74.38	75.00
4961	NASDAQ	OSIS	Wed, Jun 28, 2017	74.54	75.51	73.78	75.23
4960	NASDAQ	OSIS	Tue, Jun 27, 2017	74.84	75.03	73.78	74.00
4959	NASDAQ	OSIS	Mon, Jun 26, 2017	74.68	75.12	74.00	74.73
4958	NASDAQ	OSIS	Fri, Jun 23, 2017	73.62	74.91	73.08	74.30
4957	NASDAQ	OSIS	Thu, Jun 22, 2017	73.10	74.84	72.10	73.66
4956	NASDAQ	OSIS	Wed, Jun 21, 2017	73.17	75.81	72.43	73.21
4955	NASDAQ	OSIS	Tue, Jun 20, 2017	74.65	75.22	72.91	73.11
4954	NASDAQ	OSIS	Mon, Jun 19, 2017	75.15	75.51	74.79	74.89
4953	NASDAQ	OSIS	Fri, Jun 16, 2017	74.80	75.32	74.53	74.88
4952	NASDAQ	OSIS	Thu, Jun 15, 2017	75.36	75.80	74.58	75.20
4951	NASDAQ	OSIS	Wed, Jun 14, 2017	77.72	77.80	76.05	76.10
4950	NASDAQ	OSIS	Tue, Jun 13, 2017	78.69	78.95	77.64	77.74
4949	NASDAQ	OSIS	Mon, Jun 12, 2017	78.55	78.86	77.61	78.51
4948	NASDAQ	OSIS	Fri, Jun 9, 2017	78.70	79.90	78.28	78.92
4947	NASDAQ	OSIS	Thu, Jun 8, 2017	78.16	78.91	77.58	78.67
4946	NASDAQ	OSIS	Wed, Jun 7, 2017	79.59	80.08	78.32	78.39
4945	NASDAQ	OSIS	Tue, Jun 6, 2017	80.21	80.67	79.65	79.71
4944	NASDAQ	OSIS	Mon, Jun 5, 2017	81.43	81.72	80.32	80.37
4943	NASDAQ	OSIS	Fri, Jun 2, 2017	80.58	82.26	80.51	81.80
4942	NASDAQ	OSIS	Thu, Jun 1, 2017	79.52	80.56	78.37	80.21
4941	NASDAQ	OSIS	Wed, May 31, 2017	79.40	79.40	78.23	79.19
4940	NASDAQ	OSIS	Tue, May 30, 2017	79.55	79.99	79.10	79.22
4939	NASDAQ	OSIS	Fri, May 26, 2017	80.87	80.88	79.50	79.60
4938	NASDAQ	OSIS	Thu, May 25, 2017	78.24	80.82	78.04	80.27
4937	NASDAQ	OSIS	Wed, May 24, 2017	77.74	78.49	77.38	78.12
4936	NASDAQ	OSIS	Tue, May 23, 2017	77.97	78.11	77.22	77.60
4935	NASDAQ	OSIS	Mon, May 22, 2017	77.19	77.66	77.00	77.58
4934	NASDAQ	OSIS	Fri, May 19, 2017	76.81	77.64	75.11	77.01
4933	NASDAQ	OSIS	Thu, May 18, 2017	76.81	77.52	76.53	76.59
4932	NASDAQ	OSIS	Wed, May 17, 2017	77.32	77.68	76.49	76.87
4931	NASDAQ	OSIS	Tue, May 16, 2017	78.44	78.63	77.64	78.00
4930	NASDAQ	OSIS	Mon, May 15, 2017	77.87	78.57	77.63	78.17
4929	NASDAQ	OSIS	Fri, May 12, 2017	78.61	78.77	77.53	77.54
4928	NASDAQ	OSIS	Thu, May 11, 2017	78.95	79.32	78.45	78.88
4927	NASDAQ	OSIS	Wed, May 10, 2017	78.92	79.81	78.11	79.27
4926	NASDAQ	OSIS	Tue, May 9, 2017	78.70	78.99	77.88	78.37
4925	NASDAQ	OSIS	Mon, May 8, 2017	78.19	78.87	77.52	78.60
4924	NASDAQ	OSIS	Fri, May 5, 2017	77.95	78.54	77.17	78.37
4923	NASDAQ	OSIS	Thu, May 4, 2017	77.31	77.90	76.59	77.65
4922	NASDAQ	OSIS	Wed, May 3, 2017	78.05	78.79	77.17	77.30
4921	NASDAQ	OSIS	Tue, May 2, 2017	78.81	79.27	77.76	78.19
4920	NASDAQ	OSIS	Mon, May 1, 2017	77.54	79.27	76.09	78.66
4919	NASDAQ	OSIS	Fri, Apr 28, 2017	78.30	78.33	77.04	77.40
4918	NASDAQ	OSIS	Thu, Apr 27, 2017	72.32	78.40	71.63	78.13
4917	NASDAQ	OSIS	Wed, Apr 26, 2017	71.60	72.19	70.59	70.90
4916	NASDAQ	OSIS	Tue, Apr 25, 2017	72.94	73.69	71.85	71.90
4915	NASDAQ	OSIS	Mon, Apr 24, 2017	72.56	73.10	70.52	72.27
4914	NASDAQ	OSIS	Fri, Apr 21, 2017	72.37	72.37	71.49	71.64
4913	NASDAQ	OSIS	Thu, Apr 20, 2017	71.84	72.98	71.77	72.48
4912	NASDAQ	OSIS	Wed, Apr 19, 2017	71.40	72.01	71.14	71.75
4911	NASDAQ	OSIS	Tue, Apr 18, 2017	71.00	71.58	70.53	71.08
4910	NASDAQ	OSIS	Mon, Apr 17, 2017	71.28	71.42	70.46	71.08
4909	NASDAQ	OSIS	Thu, Apr 13, 2017	70.74	71.67	70.53	71.03
4908	NASDAQ	OSIS	Wed, Apr 12, 2017	70.59	72.47	70.20	70.92
4907	NASDAQ	OSIS	Tue, Apr 11, 2017	69.86	70.43	69.08	70.15
4906	NASDAQ	OSIS	Mon, Apr 10, 2017	69.48	70.83	69.48	70.09
4905	NASDAQ	OSIS	Fri, Apr 7, 2017	70.12	70.12	69.46	69.80
4904	NASDAQ	OSIS	Thu, Apr 6, 2017	70.50	70.50	69.76	70.39
4903	NASDAQ	OSIS	Wed, Apr 5, 2017	71.77	71.97	70.25	70.28
4902	NASDAQ	OSIS	Tue, Apr 4, 2017	71.45	72.81	70.91	71.42
4901	NASDAQ	OSIS	Mon, Apr 3, 2017	73.04	74.24	71.28	71.39
4900	NASDAQ	OSIS	Fri, Mar 31, 2017	73.01	74.24	72.97	72.99
4899	NASDAQ	OSIS	Thu, Mar 30, 2017	72.80	73.38	72.77	73.10
4898	NASDAQ	OSIS	Wed, Mar 29, 2017	72.88	73.11	71.52	72.84
4897	NASDAQ	OSIS	Tue, Mar 28, 2017	72.24	73.26	71.70	73.18
4896	NASDAQ	OSIS	Mon, Mar 27, 2017	70.95	72.79	70.24	72.48
4895	NASDAQ	OSIS	Fri, Mar 24, 2017	71.50	72.37	71.23	71.61
4894	NASDAQ	OSIS	Thu, Mar 23, 2017	70.54	72.02	70.44	71.38
4893	NASDAQ	OSIS	Wed, Mar 22, 2017	70.76	71.46	70.00	70.63
4892	NASDAQ	OSIS	Tue, Mar 21, 2017	73.43	73.73	70.79	71.00
4891	NASDAQ	OSIS	Mon, Mar 20, 2017	73.01	73.26	72.09	73.22
4890	NASDAQ	OSIS	Fri, Mar 17, 2017	72.00	73.04	71.55	72.93
4889	NASDAQ	OSIS	Thu, Mar 16, 2017	72.76	72.97	72.15	72.27
4888	NASDAQ	OSIS	Wed, Mar 15, 2017	73.40	73.51	72.35	72.64
4887	NASDAQ	OSIS	Tue, Mar 14, 2017	72.86	73.98	72.12	73.32
4886	NASDAQ	OSIS	Mon, Mar 13, 2017	71.60	73.21	71.56	73.15
4885	NASDAQ	OSIS	Fri, Mar 10, 2017	71.95	72.32	71.46	71.95
4884	NASDAQ	OSIS	Thu, Mar 9, 2017	72.63	73.08	71.57	71.63
4883	NASDAQ	OSIS	Wed, Mar 8, 2017	72.58	73.52	72.29	72.79
4882	NASDAQ	OSIS	Tue, Mar 7, 2017	72.65	73.04	72.39	72.56
4881	NASDAQ	OSIS	Mon, Mar 6, 2017	72.40	73.28	72.23	72.58
4880	NASDAQ	OSIS	Fri, Mar 3, 2017	74.63	74.74	72.30	72.93
4879	NASDAQ	OSIS	Thu, Mar 2, 2017	75.70	76.30	74.64	74.91
4878	NASDAQ	OSIS	Wed, Mar 1, 2017	76.25	76.61	75.20	75.71
4877	NASDAQ	OSIS	Tue, Feb 28, 2017	76.65	77.48	75.22	75.42
4876	NASDAQ	OSIS	Mon, Feb 27, 2017	77.28	77.30	76.30	76.59
4875	NASDAQ	OSIS	Fri, Feb 24, 2017	76.61	77.58	76.61	77.18
4874	NASDAQ	OSIS	Thu, Feb 23, 2017	77.20	77.36	76.30	77.14
4873	NASDAQ	OSIS	Wed, Feb 22, 2017	77.44	77.79	76.74	77.18
4872	NASDAQ	OSIS	Tue, Feb 21, 2017	77.08	77.86	76.76	77.69
4871	NASDAQ	OSIS	Fri, Feb 17, 2017	78.32	78.37	77.35	77.36
4870	NASDAQ	OSIS	Thu, Feb 16, 2017	77.65	79.48	76.72	78.30
4869	NASDAQ	OSIS	Wed, Feb 15, 2017	76.79	77.80	76.73	77.59
4868	NASDAQ	OSIS	Tue, Feb 14, 2017	75.93	77.10	75.60	76.73
4867	NASDAQ	OSIS	Mon, Feb 13, 2017	77.19	77.54	76.17	76.38
4866	NASDAQ	OSIS	Fri, Feb 10, 2017	76.82	77.23	75.81	76.63
4865	NASDAQ	OSIS	Thu, Feb 9, 2017	75.56	76.65	75.36	76.56
4864	NASDAQ	OSIS	Wed, Feb 8, 2017	74.47	75.86	73.78	75.66
4863	NASDAQ	OSIS	Tue, Feb 7, 2017	74.80	75.44	73.76	74.72
4862	NASDAQ	OSIS	Mon, Feb 6, 2017	74.78	75.25	74.44	74.78
4861	NASDAQ	OSIS	Fri, Feb 3, 2017	75.00	75.25	74.32	75.06
4860	NASDAQ	OSIS	Thu, Feb 2, 2017	74.58	74.92	73.67	74.59
4859	NASDAQ	OSIS	Wed, Feb 1, 2017	75.20	75.63	73.62	74.65
4858	NASDAQ	OSIS	Tue, Jan 31, 2017	74.60	75.33	74.23	74.67
4857	NASDAQ	OSIS	Mon, Jan 30, 2017	77.10	77.10	73.49	74.90
4856	NASDAQ	OSIS	Fri, Jan 27, 2017	76.70	81.55	75.29	77.38
4855	NASDAQ	OSIS	Thu, Jan 26, 2017	74.74	74.87	73.10	73.63
4854	NASDAQ	OSIS	Wed, Jan 25, 2017	74.28	75.30	73.85	74.87
4853	NASDAQ	OSIS	Tue, Jan 24, 2017	71.93	74.01	70.88	73.76
4852	NASDAQ	OSIS	Mon, Jan 23, 2017	70.79	73.05	70.79	71.55
4851	NASDAQ	OSIS	Fri, Jan 20, 2017	69.89	71.11	69.45	70.73
4850	NASDAQ	OSIS	Thu, Jan 19, 2017	70.97	71.16	70.04	70.21
4849	NASDAQ	OSIS	Wed, Jan 18, 2017	72.16	73.05	70.76	71.15
4848	NASDAQ	OSIS	Tue, Jan 17, 2017	72.10	72.57	71.23	72.12
4847	NASDAQ	OSIS	Fri, Jan 13, 2017	71.10	73.00	71.01	72.36
4846	NASDAQ	OSIS	Thu, Jan 12, 2017	73.91	73.91	70.86	71.03
4845	NASDAQ	OSIS	Wed, Jan 11, 2017	76.65	77.90	74.05	74.17
4844	NASDAQ	OSIS	Tue, Jan 10, 2017	77.22	77.82	75.93	76.45
4843	NASDAQ	OSIS	Mon, Jan 9, 2017	76.00	77.98	76.00	77.28
4842	NASDAQ	OSIS	Fri, Jan 6, 2017	77.59	77.66	76.00	76.04
4841	NASDAQ	OSIS	Thu, Jan 5, 2017	77.34	77.90	76.59	77.26
4840	NASDAQ	OSIS	Wed, Jan 4, 2017	76.01	77.47	75.50	77.36
4839	NASDAQ	OSIS	Tue, Jan 3, 2017	76.38	76.83	75.19	75.88
4838	NASDAQ	OSIS	Fri, Dec 30, 2016	76.37	76.37	74.83	76.12
4837	NASDAQ	OSIS	Thu, Dec 29, 2016	75.88	76.15	75.41	75.98
4836	NASDAQ	OSIS	Wed, Dec 28, 2016	76.27	76.27	74.86	76.01
4835	NASDAQ	OSIS	Tue, Dec 27, 2016	75.35	76.89	75.20	76.13
4834	NASDAQ	OSIS	Fri, Dec 23, 2016	75.50	75.64	74.60	75.62
4833	NASDAQ	OSIS	Thu, Dec 22, 2016	77.09	77.53	74.80	75.31
4832	NASDAQ	OSIS	Wed, Dec 21, 2016	76.20	77.79	75.99	77.26
4831	NASDAQ	OSIS	Tue, Dec 20, 2016	75.49	76.20	74.58	75.98
4830	NASDAQ	OSIS	Mon, Dec 19, 2016	75.32	76.24	75.09	75.50
4829	NASDAQ	OSIS	Fri, Dec 16, 2016	76.04	76.59	75.23	76.04
4828	NASDAQ	OSIS	Thu, Dec 15, 2016	75.39	76.46	75.05	75.73
4827	NASDAQ	OSIS	Wed, Dec 14, 2016	75.48	76.54	74.82	75.57
4826	NASDAQ	OSIS	Tue, Dec 13, 2016	76.56	77.86	75.59	75.84
4825	NASDAQ	OSIS	Mon, Dec 12, 2016	78.27	78.58	76.27	76.49
4824	NASDAQ	OSIS	Fri, Dec 9, 2016	77.36	78.86	77.05	78.17
4823	NASDAQ	OSIS	Thu, Dec 8, 2016	75.87	77.26	75.21	76.95
4822	NASDAQ	OSIS	Wed, Dec 7, 2016	75.83	77.16	74.58	76.08
4821	NASDAQ	OSIS	Tue, Dec 6, 2016	75.51	76.72	74.85	76.45
4820	NASDAQ	OSIS	Mon, Dec 5, 2016	75.55	76.06	74.86	75.94
4819	NASDAQ	OSIS	Fri, Dec 2, 2016	74.32	75.07	74.08	74.87
4818	NASDAQ	OSIS	Thu, Dec 1, 2016	75.64	76.00	73.93	74.17
4817	NASDAQ	OSIS	Wed, Nov 30, 2016	76.26	76.83	75.38	75.70
4816	NASDAQ	OSIS	Tue, Nov 29, 2016	76.32	76.81	75.84	76.13
4815	NASDAQ	OSIS	Mon, Nov 28, 2016	77.77	78.15	76.19	76.56
4814	NASDAQ	OSIS	Fri, Nov 25, 2016	77.85	78.17	77.25	78.00
4813	NASDAQ	OSIS	Wed, Nov 23, 2016	76.76	78.48	75.09	78.04
4812	NASDAQ	OSIS	Tue, Nov 22, 2016	75.61	76.84	75.10	76.66
4811	NASDAQ	OSIS	Mon, Nov 21, 2016	75.50	76.01	74.66	75.48
4810	NASDAQ	OSIS	Fri, Nov 18, 2016	75.40	75.82	74.70	75.51
4809	NASDAQ	OSIS	Thu, Nov 17, 2016	76.75	77.21	74.97	75.47
4808	NASDAQ	OSIS	Wed, Nov 16, 2016	75.68	78.45	75.68	76.70
4807	NASDAQ	OSIS	Tue, Nov 15, 2016	76.04	77.10	74.42	75.01
4806	NASDAQ	OSIS	Mon, Nov 14, 2016	75.50	77.56	75.43	76.45
4805	NASDAQ	OSIS	Fri, Nov 11, 2016	72.54	75.82	72.54	75.03
4804	NASDAQ	OSIS	Thu, Nov 10, 2016	71.93	73.35	71.36	72.83
4803	NASDAQ	OSIS	Wed, Nov 9, 2016	66.57	71.85	66.00	70.28
4802	NASDAQ	OSIS	Tue, Nov 8, 2016	67.76	68.14	67.17	67.64
4801	NASDAQ	OSIS	Mon, Nov 7, 2016	67.50	68.96	66.55	67.86
4800	NASDAQ	OSIS	Fri, Nov 4, 2016	67.04	67.23	66.11	66.18
4799	NASDAQ	OSIS	Thu, Nov 3, 2016	67.87	67.87	66.68	66.70
4798	NASDAQ	OSIS	Wed, Nov 2, 2016	68.23	68.79	67.37	67.52
4797	NASDAQ	OSIS	Tue, Nov 1, 2016	69.92	70.74	67.39	68.47
4796	NASDAQ	OSIS	Mon, Oct 31, 2016	72.43	72.43	70.00	70.13
4795	NASDAQ	OSIS	Fri, Oct 28, 2016	74.94	74.94	70.80	72.26
4794	NASDAQ	OSIS	Thu, Oct 27, 2016	67.04	67.07	66.04	66.34
4793	NASDAQ	OSIS	Wed, Oct 26, 2016	67.11	67.46	66.05	66.59
4792	NASDAQ	OSIS	Tue, Oct 25, 2016	67.67	67.71	66.29	67.17
4791	NASDAQ	OSIS	Mon, Oct 24, 2016	66.88	68.20	66.70	67.45
4790	NASDAQ	OSIS	Fri, Oct 21, 2016	65.77	66.38	65.63	66.25
4789	NASDAQ	OSIS	Thu, Oct 20, 2016	65.84	66.43	65.82	66.22
4788	NASDAQ	OSIS	Wed, Oct 19, 2016	66.06	66.21	65.21	66.21
4787	NASDAQ	OSIS	Tue, Oct 18, 2016	66.62	66.63	65.23	65.86
4786	NASDAQ	OSIS	Mon, Oct 17, 2016	66.57	66.62	65.80	66.25
4785	NASDAQ	OSIS	Fri, Oct 14, 2016	66.40	67.06	66.11	66.63
4784	NASDAQ	OSIS	Thu, Oct 13, 2016	66.55	67.00	65.88	66.41
4783	NASDAQ	OSIS	Wed, Oct 12, 2016	67.00	67.47	66.72	67.03
4782	NASDAQ	OSIS	Tue, Oct 11, 2016	67.23	67.23	66.08	66.98
4781	NASDAQ	OSIS	Mon, Oct 10, 2016	66.58	67.41	66.42	67.15
4780	NASDAQ	OSIS	Fri, Oct 7, 2016	66.97	67.20	66.10	66.45
4779	NASDAQ	OSIS	Thu, Oct 6, 2016	67.09	67.45	66.43	67.16
4778	NASDAQ	OSIS	Wed, Oct 5, 2016	65.88	67.41	65.88	67.22
4777	NASDAQ	OSIS	Tue, Oct 4, 2016	66.52	66.74	65.56	65.99
4776	NASDAQ	OSIS	Mon, Oct 3, 2016	65.18	67.15	65.00	66.52
4775	NASDAQ	OSIS	Fri, Sep 30, 2016	64.52	65.55	64.01	65.38
4774	NASDAQ	OSIS	Thu, Sep 29, 2016	65.68	65.68	63.85	64.49
4773	NASDAQ	OSIS	Wed, Sep 28, 2016	64.95	65.23	64.24	64.76
4772	NASDAQ	OSIS	Tue, Sep 27, 2016	64.58	64.96	64.40	64.64
4771	NASDAQ	OSIS	Mon, Sep 26, 2016	64.99	65.74	64.44	64.54
4770	NASDAQ	OSIS	Fri, Sep 23, 2016	66.10	66.32	65.43	65.46
4769	NASDAQ	OSIS	Thu, Sep 22, 2016	66.17	66.25	65.14	66.10
4768	NASDAQ	OSIS	Wed, Sep 21, 2016	65.58	66.15	64.77	65.57
4767	NASDAQ	OSIS	Tue, Sep 20, 2016	65.18	66.05	65.00	65.44
4766	NASDAQ	OSIS	Mon, Sep 19, 2016	63.43	65.53	63.43	65.11
4765	NASDAQ	OSIS	Fri, Sep 16, 2016	63.20	64.00	62.69	63.43
4764	NASDAQ	OSIS	Thu, Sep 15, 2016	62.67	63.75	62.67	63.33
4763	NASDAQ	OSIS	Wed, Sep 14, 2016	64.23	64.33	62.22	62.80
4762	NASDAQ	OSIS	Tue, Sep 13, 2016	65.34	65.93	64.32	64.37
4761	NASDAQ	OSIS	Mon, Sep 12, 2016	64.00	65.36	63.91	65.33
4760	NASDAQ	OSIS	Fri, Sep 9, 2016	66.21	66.61	64.17	64.19
4759	NASDAQ	OSIS	Thu, Sep 8, 2016	67.48	67.48	66.55	66.84
4758	NASDAQ	OSIS	Wed, Sep 7, 2016	67.27	68.15	66.89	67.01
4757	NASDAQ	OSIS	Tue, Sep 6, 2016	68.50	68.50	66.71	67.08
4756	NASDAQ	OSIS	Fri, Sep 2, 2016	67.69	68.40	67.04	68.37
4755	NASDAQ	OSIS	Thu, Sep 1, 2016	67.35	67.70	66.80	67.55
4754	NASDAQ	OSIS	Wed, Aug 31, 2016	68.20	68.46	66.91	67.06
4753	NASDAQ	OSIS	Tue, Aug 30, 2016	67.65	68.66	67.65	68.24
4752	NASDAQ	OSIS	Mon, Aug 29, 2016	67.53	68.07	67.52	67.72
4751	NASDAQ	OSIS	Fri, Aug 26, 2016	68.23	69.11	67.58	67.66
4750	NASDAQ	OSIS	Thu, Aug 25, 2016	68.35	68.95	67.79	68.43
4749	NASDAQ	OSIS	Wed, Aug 24, 2016	68.15	68.77	68.06	68.43
4748	NASDAQ	OSIS	Tue, Aug 23, 2016	68.17	69.19	68.07	68.43
4747	NASDAQ	OSIS	Mon, Aug 22, 2016	68.01	68.94	67.90	68.47
4746	NASDAQ	OSIS	Fri, Aug 19, 2016	68.06	68.80	67.15	68.46
4745	NASDAQ	OSIS	Thu, Aug 18, 2016	68.04	68.74	67.16	67.99
4744	NASDAQ	OSIS	Wed, Aug 17, 2016	65.80	69.49	65.00	68.23
4743	NASDAQ	OSIS	Tue, Aug 16, 2016	62.32	62.32	60.53	60.65
4742	NASDAQ	OSIS	Mon, Aug 15, 2016	61.37	62.59	61.37	62.36
4741	NASDAQ	OSIS	Fri, Aug 12, 2016	61.33	61.77	60.98	61.46
4740	NASDAQ	OSIS	Thu, Aug 11, 2016	61.13	61.37	61.02	61.17
4739	NASDAQ	OSIS	Wed, Aug 10, 2016	60.16	62.31	59.76	61.21
4738	NASDAQ	OSIS	Tue, Aug 9, 2016	60.95	60.95	60.33	60.35
4737	NASDAQ	OSIS	Mon, Aug 8, 2016	62.06	62.46	60.46	60.75
4736	NASDAQ	OSIS	Fri, Aug 5, 2016	61.79	67.15	61.26	61.85
4735	NASDAQ	OSIS	Thu, Aug 4, 2016	60.67	61.94	60.67	61.45
4734	NASDAQ	OSIS	Wed, Aug 3, 2016	60.30	61.09	60.30	60.72
4733	NASDAQ	OSIS	Tue, Aug 2, 2016	60.61	61.03	60.05	60.55
4732	NASDAQ	OSIS	Mon, Aug 1, 2016	59.47	60.98	59.47	60.74
4731	NASDAQ	OSIS	Fri, Jul 29, 2016	59.47	59.59	58.42	59.47
4730	NASDAQ	OSIS	Thu, Jul 28, 2016	60.22	61.06	59.58	59.71
4729	NASDAQ	OSIS	Wed, Jul 27, 2016	59.28	60.13	59.28	60.10
4728	NASDAQ	OSIS	Tue, Jul 26, 2016	58.56	59.68	58.36	59.42
4727	NASDAQ	OSIS	Mon, Jul 25, 2016	59.25	59.25	58.17	58.64
4726	NASDAQ	OSIS	Fri, Jul 22, 2016	59.25	59.82	58.47	59.42
4725	NASDAQ	OSIS	Thu, Jul 21, 2016	59.66	59.73	58.89	59.30
4724	NASDAQ	OSIS	Wed, Jul 20, 2016	59.55	60.10	58.86	59.75
4723	NASDAQ	OSIS	Tue, Jul 19, 2016	60.42	61.55	59.47	59.50
4722	NASDAQ	OSIS	Mon, Jul 18, 2016	60.69	60.69	60.01	60.36
4721	NASDAQ	OSIS	Fri, Jul 15, 2016	60.99	61.43	60.62	60.66
4720	NASDAQ	OSIS	Thu, Jul 14, 2016	60.12	60.65	59.67	60.38
4719	NASDAQ	OSIS	Wed, Jul 13, 2016	59.77	59.93	59.20	59.87
4718	NASDAQ	OSIS	Tue, Jul 12, 2016	58.95	59.90	58.94	59.50
4717	NASDAQ	OSIS	Mon, Jul 11, 2016	58.22	58.70	58.00	58.63
4716	NASDAQ	OSIS	Fri, Jul 8, 2016	56.38	57.83	56.17	57.69
4715	NASDAQ	OSIS	Thu, Jul 7, 2016	56.76	57.01	55.81	55.92
4714	NASDAQ	OSIS	Wed, Jul 6, 2016	56.45	57.18	55.76	56.43
4713	NASDAQ	OSIS	Tue, Jul 5, 2016	57.88	58.25	56.43	56.67
4712	NASDAQ	OSIS	Fri, Jul 1, 2016	58.02	58.55	57.47	58.25
4711	NASDAQ	OSIS	Thu, Jun 30, 2016	55.73	58.20	55.72	58.13
4710	NASDAQ	OSIS	Wed, Jun 29, 2016	56.08	56.08	55.14	55.80
4709	NASDAQ	OSIS	Tue, Jun 28, 2016	55.08	55.89	54.76	55.41
4708	NASDAQ	OSIS	Mon, Jun 27, 2016	54.68	54.82	54.22	54.66
4707	NASDAQ	OSIS	Fri, Jun 24, 2016	55.00	55.35	54.20	55.11
4706	NASDAQ	OSIS	Thu, Jun 23, 2016	56.23	56.40	55.67	55.95
4705	NASDAQ	OSIS	Wed, Jun 22, 2016	57.84	57.84	55.23	55.73
4704	NASDAQ	OSIS	Tue, Jun 21, 2016	53.37	57.80	53.37	57.48
4703	NASDAQ	OSIS	Mon, Jun 20, 2016	52.44	53.51	52.44	52.68
4702	NASDAQ	OSIS	Fri, Jun 17, 2016	52.10	52.29	51.50	51.88
4701	NASDAQ	OSIS	Thu, Jun 16, 2016	51.80	52.37	51.53	52.00
4700	NASDAQ	OSIS	Wed, Jun 15, 2016	53.21	53.21	52.13	52.29
4699	NASDAQ	OSIS	Tue, Jun 14, 2016	51.40	52.94	51.03	52.90
4698	NASDAQ	OSIS	Mon, Jun 13, 2016	51.94	52.37	51.11	51.46
4697	NASDAQ	OSIS	Fri, Jun 10, 2016	52.39	52.88	51.68	51.76
4696	NASDAQ	OSIS	Thu, Jun 9, 2016	53.54	53.54	52.17	53.01
4695	NASDAQ	OSIS	Wed, Jun 8, 2016	53.10	53.98	52.98	53.91
4694	NASDAQ	OSIS	Tue, Jun 7, 2016	53.69	53.82	52.73	53.12
4693	NASDAQ	OSIS	Mon, Jun 6, 2016	52.49	53.98	52.41	53.58
4692	NASDAQ	OSIS	Fri, Jun 3, 2016	52.66	52.92	51.76	52.33
4691	NASDAQ	OSIS	Thu, Jun 2, 2016	52.61	53.34	52.10	52.80
4690	NASDAQ	OSIS	Wed, Jun 1, 2016	53.02	53.37	52.06	52.91
4689	NASDAQ	OSIS	Tue, May 31, 2016	51.77	53.38	51.66	53.28
4688	NASDAQ	OSIS	Fri, May 27, 2016	51.64	52.14	51.35	51.72
4687	NASDAQ	OSIS	Thu, May 26, 2016	51.20	52.14	50.97	51.81
4686	NASDAQ	OSIS	Wed, May 25, 2016	50.79	51.59	50.35	51.27
4685	NASDAQ	OSIS	Tue, May 24, 2016	49.90	50.75	49.21	50.53
4684	NASDAQ	OSIS	Mon, May 23, 2016	50.01	50.58	49.00	49.44
4683	NASDAQ	OSIS	Fri, May 20, 2016	49.25	50.33	49.25	50.05
4682	NASDAQ	OSIS	Thu, May 19, 2016	50.09	50.88	48.82	49.16
4681	NASDAQ	OSIS	Wed, May 18, 2016	49.81	50.96	49.79	50.26
4680	NASDAQ	OSIS	Tue, May 17, 2016	50.41	51.26	49.76	50.15
4679	NASDAQ	OSIS	Mon, May 16, 2016	50.01	51.04	49.68	50.41
4678	NASDAQ	OSIS	Fri, May 13, 2016	50.18	50.56	49.45	49.79
4677	NASDAQ	OSIS	Thu, May 12, 2016	50.70	51.00	49.65	50.39
4676	NASDAQ	OSIS	Wed, May 11, 2016	51.55	51.67	50.29	50.77
4675	NASDAQ	OSIS	Tue, May 10, 2016	51.01	51.67	50.61	51.48
4674	NASDAQ	OSIS	Mon, May 9, 2016	51.85	53.27	50.74	50.98
4673	NASDAQ	OSIS	Fri, May 6, 2016	50.37	50.77	49.09	50.32
4672	NASDAQ	OSIS	Thu, May 5, 2016	50.02	50.95	49.23	50.51
4671	NASDAQ	OSIS	Wed, May 4, 2016	50.32	50.82	49.14	49.66
4670	NASDAQ	OSIS	Tue, May 3, 2016	51.03	51.82	49.40	50.25
4669	NASDAQ	OSIS	Mon, May 2, 2016	50.88	51.94	50.12	51.17
4668	NASDAQ	OSIS	Fri, Apr 29, 2016	50.60	52.59	50.11	50.89
4667	NASDAQ	OSIS	Thu, Apr 28, 2016	50.73	54.26	48.76	50.58
4666	NASDAQ	OSIS	Wed, Apr 27, 2016	61.09	61.24	59.37	59.58
4665	NASDAQ	OSIS	Tue, Apr 26, 2016	60.67	61.44	60.20	61.30
4664	NASDAQ	OSIS	Mon, Apr 25, 2016	60.84	61.95	59.96	60.20
4663	NASDAQ	OSIS	Fri, Apr 22, 2016	59.65	61.40	59.65	61.19
4662	NASDAQ	OSIS	Thu, Apr 21, 2016	61.91	62.01	59.54	59.80
4661	NASDAQ	OSIS	Wed, Apr 20, 2016	61.15	62.55	60.17	62.12
4660	NASDAQ	OSIS	Tue, Apr 19, 2016	60.43	61.54	60.13	61.44
4659	NASDAQ	OSIS	Mon, Apr 18, 2016	59.76	60.72	59.76	60.17
4658	NASDAQ	OSIS	Fri, Apr 15, 2016	59.59	60.55	59.59	60.18
4657	NASDAQ	OSIS	Thu, Apr 14, 2016	61.21	61.58	59.43	59.56
4656	NASDAQ	OSIS	Wed, Apr 13, 2016	61.81	62.40	61.09	61.46
4655	NASDAQ	OSIS	Tue, Apr 12, 2016	62.00	62.72	61.67	62.02
4654	NASDAQ	OSIS	Mon, Apr 11, 2016	63.04	63.32	62.04	62.16
4653	NASDAQ	OSIS	Fri, Apr 8, 2016	63.07	64.02	62.34	62.62
4652	NASDAQ	OSIS	Thu, Apr 7, 2016	63.86	64.19	62.30	62.42
4651	NASDAQ	OSIS	Wed, Apr 6, 2016	64.15	64.88	63.53	64.35
4650	NASDAQ	OSIS	Tue, Apr 5, 2016	64.77	64.77	64.77	64.04
4649	NASDAQ	OSIS	Mon, Apr 4, 2016	65.96	65.96	64.19	64.77
4648	NASDAQ	OSIS	Fri, Apr 1, 2016	65.08	66.43	64.95	65.82
4647	NASDAQ	OSIS	Thu, Mar 31, 2016	65.58	66.04	64.74	65.71
4646	NASDAQ	OSIS	Wed, Mar 30, 2016	65.67	66.33	64.40	65.71
4645	NASDAQ	OSIS	Tue, Mar 29, 2016	62.85	65.52	62.75	65.12
4644	NASDAQ	OSIS	Mon, Mar 28, 2016	63.80	64.55	62.72	63.25
4643	NASDAQ	OSIS	Thu, Mar 24, 2016	64.04	64.04	64.04	63.74
4642	NASDAQ	OSIS	Wed, Mar 23, 2016	65.25	65.65	64.00	64.04
4641	NASDAQ	OSIS	Tue, Mar 22, 2016	64.24	67.11	64.24	65.53
4640	NASDAQ	OSIS	Mon, Mar 21, 2016	62.92	64.27	62.92	64.09
4639	NASDAQ	OSIS	Fri, Mar 18, 2016	62.54	63.91	62.05	63.16
4638	NASDAQ	OSIS	Thu, Mar 17, 2016	61.41	62.44	60.83	62.20
4637	NASDAQ	OSIS	Wed, Mar 16, 2016	60.05	61.87	59.86	61.68
4636	NASDAQ	OSIS	Tue, Mar 15, 2016	62.93	62.93	62.93	60.62
4635	NASDAQ	OSIS	Mon, Mar 14, 2016	61.90	63.27	61.90	62.91
4634	NASDAQ	OSIS	Fri, Mar 11, 2016	61.90	62.28	61.13	62.09
4633	NASDAQ	OSIS	Thu, Mar 10, 2016	62.56	62.95	60.63	62.24
4632	NASDAQ	OSIS	Wed, Mar 9, 2016	61.33	61.33	61.33	62.24
4631	NASDAQ	OSIS	Tue, Mar 8, 2016	62.28	63.01	61.23	62.74
4630	NASDAQ	OSIS	Mon, Mar 7, 2016	61.98	63.35	61.89	62.74
4629	NASDAQ	OSIS	Fri, Mar 4, 2016	62.03	62.03	62.03	62.03
4628	NASDAQ	OSIS	Thu, Mar 3, 2016	61.34	61.34	61.34	62.03
4627	NASDAQ	OSIS	Wed, Mar 2, 2016	61.16	61.44	60.65	61.10
4626	NASDAQ	OSIS	Tue, Mar 1, 2016	60.37	60.37	60.37	61.10
4625	NASDAQ	OSIS	Mon, Feb 29, 2016	60.19	61.33	59.54	60.37
4624	NASDAQ	OSIS	Fri, Feb 26, 2016	60.40	60.40	60.40	59.95
4623	NASDAQ	OSIS	Thu, Feb 25, 2016	60.22	60.99	59.18	60.40
4622	NASDAQ	OSIS	Wed, Feb 24, 2016	58.58	60.48	57.98	60.35
4621	NASDAQ	OSIS	Tue, Feb 23, 2016	59.81	60.60	58.80	58.87
4620	NASDAQ	OSIS	Mon, Feb 22, 2016	60.04	60.49	59.24	60.07
4619	NASDAQ	OSIS	Fri, Feb 19, 2016	57.89	60.06	57.05	59.77
4618	NASDAQ	OSIS	Thu, Feb 18, 2016	58.51	58.78	57.35	57.72
4617	NASDAQ	OSIS	Wed, Feb 17, 2016	59.22	59.95	57.93	58.20
4616	NASDAQ	OSIS	Tue, Feb 16, 2016	56.48	58.96	56.44	58.54
4615	NASDAQ	OSIS	Fri, Feb 12, 2016	56.10	56.37	54.82	56.35
4614	NASDAQ	OSIS	Thu, Feb 11, 2016	53.76	55.80	53.08	55.33
4613	NASDAQ	OSIS	Wed, Feb 10, 2016	55.30	56.34	54.50	54.50
4612	NASDAQ	OSIS	Tue, Feb 9, 2016	55.20	56.02	53.71	54.69
4611	NASDAQ	OSIS	Mon, Feb 8, 2016	55.38	56.05	53.79	55.55
4610	NASDAQ	OSIS	Fri, Feb 5, 2016	56.03	56.37	55.37	55.85
4609	NASDAQ	OSIS	Thu, Feb 4, 2016	53.91	56.39	53.10	56.19
4608	NASDAQ	OSIS	Wed, Feb 3, 2016	55.25	56.23	52.50	54.37
4607	NASDAQ	OSIS	Tue, Feb 2, 2016	55.00	55.55	54.29	55.25
4606	NASDAQ	OSIS	Mon, Feb 1, 2016	54.10	56.52	54.00	55.40
4605	NASDAQ	OSIS	Fri, Jan 29, 2016	52.06	55.45	51.00	54.82
4604	NASDAQ	OSIS	Thu, Jan 28, 2016	58.13	58.50	48.19	52.02
4603	NASDAQ	OSIS	Wed, Jan 27, 2016	79.75	79.75	75.01	76.25
4602	NASDAQ	OSIS	Tue, Jan 26, 2016	75.97	80.71	75.97	80.09
4601	NASDAQ	OSIS	Mon, Jan 25, 2016	78.34	78.50	75.81	75.98
4600	NASDAQ	OSIS	Fri, Jan 22, 2016	80.48	80.48	77.68	78.50
4599	NASDAQ	OSIS	Thu, Jan 21, 2016	81.42	81.61	79.38	79.63
4598	NASDAQ	OSIS	Wed, Jan 20, 2016	83.65	83.65	78.97	81.05
4597	NASDAQ	OSIS	Tue, Jan 19, 2016	85.08	85.22	83.02	84.27
4596	NASDAQ	OSIS	Fri, Jan 15, 2016	81.00	84.28	80.45	84.24
4595	NASDAQ	OSIS	Thu, Jan 14, 2016	80.79	83.08	79.70	82.90
4594	NASDAQ	OSIS	Wed, Jan 13, 2016	83.96	86.24	80.10	80.61
4593	NASDAQ	OSIS	Tue, Jan 12, 2016	83.13	83.90	81.67	83.71
4592	NASDAQ	OSIS	Mon, Jan 11, 2016	82.50	82.93	80.91	82.31
4591	NASDAQ	OSIS	Fri, Jan 8, 2016	86.05	86.21	81.87	82.18
4590	NASDAQ	OSIS	Thu, Jan 7, 2016	86.66	87.48	84.77	85.73
4589	NASDAQ	OSIS	Wed, Jan 6, 2016	86.39	88.33	84.90	87.82
4588	NASDAQ	OSIS	Tue, Jan 5, 2016	86.69	87.69	85.95	87.47
4587	NASDAQ	OSIS	Mon, Jan 4, 2016	87.22	87.22	85.55	86.28
4586	NASDAQ	OSIS	Thu, Dec 31, 2015	89.96	90.29	88.64	88.66
4585	NASDAQ	OSIS	Wed, Dec 30, 2015	90.52	91.43	87.79	90.09
4584	NASDAQ	OSIS	Tue, Dec 29, 2015	91.08	91.50	90.30	90.85
4583	NASDAQ	OSIS	Mon, Dec 28, 2015	91.66	91.90	90.53	90.61
4582	NASDAQ	OSIS	Thu, Dec 24, 2015	91.72	92.82	91.13	91.79
4581	NASDAQ	OSIS	Wed, Dec 23, 2015	92.72	92.72	91.12	91.90
4580	NASDAQ	OSIS	Tue, Dec 22, 2015	91.74	92.42	90.37	92.09
4579	NASDAQ	OSIS	Mon, Dec 21, 2015	90.95	91.74	90.55	91.51
4578	NASDAQ	OSIS	Fri, Dec 18, 2015	90.51	91.43	89.89	90.24
4577	NASDAQ	OSIS	Thu, Dec 17, 2015	91.95	92.38	90.89	90.96
4576	NASDAQ	OSIS	Wed, Dec 16, 2015	92.09	92.09	90.77	91.67
4575	NASDAQ	OSIS	Tue, Dec 15, 2015	91.27	92.19	90.63	91.53
4574	NASDAQ	OSIS	Mon, Dec 14, 2015	89.80	91.19	89.18	91.01
4573	NASDAQ	OSIS	Fri, Dec 11, 2015	90.09	90.61	89.33	89.87
4572	NASDAQ	OSIS	Thu, Dec 10, 2015	90.46	91.59	89.78	91.31
4571	NASDAQ	OSIS	Wed, Dec 9, 2015	92.46	92.92	89.50	90.30
4570	NASDAQ	OSIS	Tue, Dec 8, 2015	92.82	93.54	90.51	93.09
4569	NASDAQ	OSIS	Mon, Dec 7, 2015	93.93	94.28	93.28	93.78
4568	NASDAQ	OSIS	Fri, Dec 4, 2015	93.34	95.27	92.48	94.18
4567	NASDAQ	OSIS	Thu, Dec 3, 2015	95.16	95.92	92.95	93.11
4566	NASDAQ	OSIS	Wed, Dec 2, 2015	95.50	96.75	94.60	95.05
4565	NASDAQ	OSIS	Tue, Dec 1, 2015	93.60	95.24	93.45	95.17
4564	NASDAQ	OSIS	Mon, Nov 30, 2015	93.50	94.20	93.23	93.63
4563	NASDAQ	OSIS	Fri, Nov 27, 2015	93.58	94.86	92.52	93.85
4562	NASDAQ	OSIS	Wed, Nov 25, 2015	94.82	95.45	93.22	93.51
4561	NASDAQ	OSIS	Tue, Nov 24, 2015	95.55	95.55	93.68	94.52
4560	NASDAQ	OSIS	Mon, Nov 23, 2015	96.02	96.57	94.59	95.74
4559	NASDAQ	OSIS	Fri, Nov 20, 2015	93.97	96.13	92.91	95.50
4558	NASDAQ	OSIS	Thu, Nov 19, 2015	92.74	94.00	91.63	93.92
4557	NASDAQ	OSIS	Wed, Nov 18, 2015	86.45	93.23	86.45	93.04
4556	NASDAQ	OSIS	Tue, Nov 17, 2015	85.30	85.90	84.45	85.34
4555	NASDAQ	OSIS	Mon, Nov 16, 2015	83.01	85.11	83.01	85.01
4554	NASDAQ	OSIS	Fri, Nov 13, 2015	82.53	84.02	82.00	82.73
4553	NASDAQ	OSIS	Thu, Nov 12, 2015	84.00	84.13	82.91	82.97
4552	NASDAQ	OSIS	Wed, Nov 11, 2015	84.22	85.15	84.03	84.20
4551	NASDAQ	OSIS	Tue, Nov 10, 2015	84.23	84.70	83.55	84.11
4550	NASDAQ	OSIS	Mon, Nov 9, 2015	85.26	85.26	83.82	84.22
4549	NASDAQ	OSIS	Fri, Nov 6, 2015	84.23	85.76	83.71	85.47
4548	NASDAQ	OSIS	Thu, Nov 5, 2015	85.00	85.44	84.30	84.56
4547	NASDAQ	OSIS	Wed, Nov 4, 2015	84.50	85.00	83.65	84.98
4546	NASDAQ	OSIS	Tue, Nov 3, 2015	83.30	84.80	83.11	84.70
4545	NASDAQ	OSIS	Mon, Nov 2, 2015	86.37	86.37	83.53	83.55
4544	NASDAQ	OSIS	Fri, Oct 30, 2015	84.91	86.58	84.79	86.18
4543	NASDAQ	OSIS	Thu, Oct 29, 2015	84.39	85.45	83.06	83.97
4542	NASDAQ	OSIS	Wed, Oct 28, 2015	84.07	85.45	83.49	85.44
4541	NASDAQ	OSIS	Tue, Oct 27, 2015	83.50	84.68	83.00	83.72
4540	NASDAQ	OSIS	Mon, Oct 26, 2015	83.72	84.35	82.68	83.49
4539	NASDAQ	OSIS	Fri, Oct 23, 2015	84.18	84.58	82.10	83.61
4538	NASDAQ	OSIS	Thu, Oct 22, 2015	82.72	83.62	82.01	83.29
4537	NASDAQ	OSIS	Wed, Oct 21, 2015	83.19	83.19	81.80	82.11
4536	NASDAQ	OSIS	Tue, Oct 20, 2015	83.72	83.96	82.62	82.73
4535	NASDAQ	OSIS	Mon, Oct 19, 2015	82.52	83.90	82.28	83.42
4534	NASDAQ	OSIS	Fri, Oct 16, 2015	84.44	85.00	82.45	82.97
4533	NASDAQ	OSIS	Thu, Oct 15, 2015	82.66	84.08	81.80	84.08
4532	NASDAQ	OSIS	Wed, Oct 14, 2015	82.75	83.42	82.02	82.54
4531	NASDAQ	OSIS	Tue, Oct 13, 2015	82.87	84.42	82.74	83.04
4530	NASDAQ	OSIS	Mon, Oct 12, 2015	82.81	83.48	82.43	83.11
4529	NASDAQ	OSIS	Fri, Oct 9, 2015	82.17	83.43	82.17	82.71
4528	NASDAQ	OSIS	Thu, Oct 8, 2015	82.23	82.63	81.62	82.58
4527	NASDAQ	OSIS	Wed, Oct 7, 2015	80.31	82.69	80.31	82.00
4526	NASDAQ	OSIS	Tue, Oct 6, 2015	80.40	80.78	79.20	79.76
4525	NASDAQ	OSIS	Mon, Oct 5, 2015	79.20	80.51	79.16	80.32
4524	NASDAQ	OSIS	Fri, Oct 2, 2015	75.99	78.30	75.96	78.30
4523	NASDAQ	OSIS	Thu, Oct 1, 2015	76.94	77.19	75.60	76.42
4522	NASDAQ	OSIS	Wed, Sep 30, 2015	76.66	77.71	75.89	76.96
4521	NASDAQ	OSIS	Tue, Sep 29, 2015	77.35	77.77	75.75	76.00
4520	NASDAQ	OSIS	Mon, Sep 28, 2015	78.22	78.51	77.12	77.29
4519	NASDAQ	OSIS	Fri, Sep 25, 2015	78.72	79.21	77.91	78.22
4518	NASDAQ	OSIS	Thu, Sep 24, 2015	78.41	78.70	77.50	78.53
4517	NASDAQ	OSIS	Wed, Sep 23, 2015	77.80	78.81	77.66	78.63
4516	NASDAQ	OSIS	Tue, Sep 22, 2015	78.18	78.52	77.39	78.04
4515	NASDAQ	OSIS	Mon, Sep 21, 2015	78.86	79.28	78.28	78.82
4514	NASDAQ	OSIS	Fri, Sep 18, 2015	76.69	78.39	76.44	78.36
4513	NASDAQ	OSIS	Thu, Sep 17, 2015	77.65	79.20	77.12	77.88
4512	NASDAQ	OSIS	Wed, Sep 16, 2015	76.73	78.67	76.41	77.53
4511	NASDAQ	OSIS	Tue, Sep 15, 2015	74.92	76.09	74.92	76.05
4510	NASDAQ	OSIS	Mon, Sep 14, 2015	75.25	75.46	74.92	75.16
4509	NASDAQ	OSIS	Fri, Sep 11, 2015	74.42	75.20	74.38	74.99
4508	NASDAQ	OSIS	Thu, Sep 10, 2015	74.57	75.20	74.51	74.87
4507	NASDAQ	OSIS	Wed, Sep 9, 2015	74.96	75.52	74.36	74.76
4506	NASDAQ	OSIS	Tue, Sep 8, 2015	74.15	74.74	73.63	74.66
4505	NASDAQ	OSIS	Fri, Sep 4, 2015	72.64	73.49	72.64	73.22
4504	NASDAQ	OSIS	Thu, Sep 3, 2015	73.92	74.14	73.26	73.54
4503	NASDAQ	OSIS	Wed, Sep 2, 2015	72.70	73.74	72.18	73.50
4502	NASDAQ	OSIS	Tue, Sep 1, 2015	71.61	72.83	71.61	72.26
4501	NASDAQ	OSIS	Mon, Aug 31, 2015	73.00	73.86	72.99	73.04
4500	NASDAQ	OSIS	Fri, Aug 28, 2015	72.33	73.64	72.33	73.47
4499	NASDAQ	OSIS	Thu, Aug 27, 2015	72.14	73.22	71.40	72.69
4498	NASDAQ	OSIS	Wed, Aug 26, 2015	70.71	71.96	69.75	71.91
4497	NASDAQ	OSIS	Tue, Aug 25, 2015	70.09	70.34	68.64	69.55
4496	NASDAQ	OSIS	Mon, Aug 24, 2015	68.00	70.60	68.00	68.17
4495	NASDAQ	OSIS	Fri, Aug 21, 2015	70.29	71.35	69.83	71.12
4494	NASDAQ	OSIS	Thu, Aug 20, 2015	68.99	71.95	68.00	71.69
4493	NASDAQ	OSIS	Wed, Aug 19, 2015	70.14	71.89	70.09	70.98
4492	NASDAQ	OSIS	Tue, Aug 18, 2015	70.77	70.98	70.01	70.59
4491	NASDAQ	OSIS	Mon, Aug 17, 2015	69.91	71.12	69.65	70.95
4490	NASDAQ	OSIS	Fri, Aug 14, 2015	69.11	70.37	68.83	70.26
4489	NASDAQ	OSIS	Thu, Aug 13, 2015	68.96	69.75	68.78	69.34
4488	NASDAQ	OSIS	Wed, Aug 12, 2015	67.52	69.07	67.35	68.98
4487	NASDAQ	OSIS	Tue, Aug 11, 2015	68.41	68.70	67.55	67.84
4486	NASDAQ	OSIS	Mon, Aug 10, 2015	67.51	68.99	67.51	68.84
4485	NASDAQ	OSIS	Fri, Aug 7, 2015	68.06	68.50	66.94	67.35
4484	NASDAQ	OSIS	Thu, Aug 6, 2015	68.63	69.85	67.97	68.39
4483	NASDAQ	OSIS	Wed, Aug 5, 2015	68.84	69.37	68.45	68.72
4482	NASDAQ	OSIS	Tue, Aug 4, 2015	69.31	69.48	68.16	68.31
4481	NASDAQ	OSIS	Mon, Aug 3, 2015	70.23	70.35	68.77	69.37
4480	NASDAQ	OSIS	Fri, Jul 31, 2015	69.99	70.73	69.96	70.18
4479	NASDAQ	OSIS	Thu, Jul 30, 2015	68.78	70.53	68.78	69.79
4478	NASDAQ	OSIS	Wed, Jul 29, 2015	68.18	69.54	68.18	69.08
4477	NASDAQ	OSIS	Tue, Jul 28, 2015	68.62	68.62	67.14	68.31
4476	NASDAQ	OSIS	Mon, Jul 27, 2015	68.31	68.78	67.97	68.23
4475	NASDAQ	OSIS	Fri, Jul 24, 2015	69.79	70.52	68.56	68.67
4474	NASDAQ	OSIS	Thu, Jul 23, 2015	70.17	70.89	69.60	69.98
4473	NASDAQ	OSIS	Wed, Jul 22, 2015	70.36	70.68	69.62	70.28
4472	NASDAQ	OSIS	Tue, Jul 21, 2015	71.16	71.67	70.22	70.54
4471	NASDAQ	OSIS	Mon, Jul 20, 2015	72.02	72.25	71.21	71.51
4470	NASDAQ	OSIS	Fri, Jul 17, 2015	72.00	72.26	71.63	71.76
4469	NASDAQ	OSIS	Thu, Jul 16, 2015	72.13	72.60	71.66	72.00
4468	NASDAQ	OSIS	Wed, Jul 15, 2015	71.78	72.07	71.07	71.71
4467	NASDAQ	OSIS	Tue, Jul 14, 2015	71.80	71.97	71.52	71.75
4466	NASDAQ	OSIS	Mon, Jul 13, 2015	71.63	72.14	71.33	71.75
4465	NASDAQ	OSIS	Fri, Jul 10, 2015	70.06	71.52	69.40	71.42
4464	NASDAQ	OSIS	Thu, Jul 9, 2015	70.86	71.43	69.12	69.79
4463	NASDAQ	OSIS	Wed, Jul 8, 2015	70.07	71.26	69.76	70.12
4462	NASDAQ	OSIS	Tue, Jul 7, 2015	71.21	71.32	69.89	70.60
4461	NASDAQ	OSIS	Mon, Jul 6, 2015	70.45	71.23	70.32	71.07
4460	NASDAQ	OSIS	Thu, Jul 2, 2015	71.06	71.90	70.63	70.84
4459	NASDAQ	OSIS	Wed, Jul 1, 2015	71.27	71.68	70.25	71.17
4458	NASDAQ	OSIS	Tue, Jun 30, 2015	71.19	71.95	69.50	70.79
4457	NASDAQ	OSIS	Mon, Jun 29, 2015	72.70	72.91	70.38	70.56
4456	NASDAQ	OSIS	Fri, Jun 26, 2015	73.25	73.42	72.42	73.05
4455	NASDAQ	OSIS	Thu, Jun 25, 2015	73.74	73.82	72.77	73.03
4454	NASDAQ	OSIS	Wed, Jun 24, 2015	74.18	74.18	73.27	73.65
4453	NASDAQ	OSIS	Tue, Jun 23, 2015	73.52	74.44	73.09	74.18
4452	NASDAQ	OSIS	Mon, Jun 22, 2015	73.93	73.93	73.23	73.79
4451	NASDAQ	OSIS	Fri, Jun 19, 2015	74.21	74.21	73.09	73.68
4450	NASDAQ	OSIS	Thu, Jun 18, 2015	73.30	74.71	73.01	74.00
4449	NASDAQ	OSIS	Wed, Jun 17, 2015	73.65	74.05	73.12	73.30
4448	NASDAQ	OSIS	Tue, Jun 16, 2015	73.02	73.81	72.65	73.33
4447	NASDAQ	OSIS	Mon, Jun 15, 2015	72.33	73.46	71.55	73.07
4446	NASDAQ	OSIS	Fri, Jun 12, 2015	72.87	73.15	72.48	73.01
4445	NASDAQ	OSIS	Thu, Jun 11, 2015	73.20	73.57	72.73	73.09
4444	NASDAQ	OSIS	Wed, Jun 10, 2015	73.00	73.58	72.96	73.36
4443	NASDAQ	OSIS	Tue, Jun 9, 2015	72.45	73.01	71.48	72.61
4442	NASDAQ	OSIS	Mon, Jun 8, 2015	72.31	72.79	71.72	72.55
4441	NASDAQ	OSIS	Fri, Jun 5, 2015	72.26	72.71	71.31	72.65
4440	NASDAQ	OSIS	Thu, Jun 4, 2015	73.57	73.58	71.91	72.37
4439	NASDAQ	OSIS	Wed, Jun 3, 2015	73.28	74.08	72.52	73.97
4438	NASDAQ	OSIS	Tue, Jun 2, 2015	72.10	73.08	71.55	72.69
4437	NASDAQ	OSIS	Mon, Jun 1, 2015	72.50	73.05	71.52	72.56
4436	NASDAQ	OSIS	Fri, May 29, 2015	72.33	72.54	71.75	72.24
4435	NASDAQ	OSIS	Thu, May 28, 2015	72.58	73.15	72.04	72.62
4434	NASDAQ	OSIS	Wed, May 27, 2015	71.44	72.74	71.02	72.59
4433	NASDAQ	OSIS	Tue, May 26, 2015	71.96	72.20	71.30	71.53
4432	NASDAQ	OSIS	Fri, May 22, 2015	71.63	72.46	71.36	72.32
4431	NASDAQ	OSIS	Thu, May 21, 2015	71.80	72.33	71.37	71.73
4430	NASDAQ	OSIS	Wed, May 20, 2015	72.50	72.50	71.39	71.96
4429	NASDAQ	OSIS	Tue, May 19, 2015	71.95	72.78	71.57	72.45
4428	NASDAQ	OSIS	Mon, May 18, 2015	70.85	72.23	70.85	72.18
4427	NASDAQ	OSIS	Fri, May 15, 2015	70.64	71.18	70.19	70.99
4426	NASDAQ	OSIS	Thu, May 14, 2015	69.88	70.81	68.82	70.60
4425	NASDAQ	OSIS	Wed, May 13, 2015	68.88	69.90	68.36	69.40
4424	NASDAQ	OSIS	Tue, May 12, 2015	68.73	69.28	67.70	69.13
4423	NASDAQ	OSIS	Mon, May 11, 2015	68.22	69.17	68.20	68.71
4422	NASDAQ	OSIS	Fri, May 8, 2015	68.36	68.63	67.70	68.40
4421	NASDAQ	OSIS	Thu, May 7, 2015	67.10	67.77	66.71	67.59
4420	NASDAQ	OSIS	Wed, May 6, 2015	66.77	67.34	66.16	67.26
4419	NASDAQ	OSIS	Tue, May 5, 2015	67.39	67.76	66.04	66.53
4418	NASDAQ	OSIS	Mon, May 4, 2015	67.43	68.52	67.38	67.77
4417	NASDAQ	OSIS	Fri, May 1, 2015	67.18	67.44	66.03	67.19
4416	NASDAQ	OSIS	Thu, Apr 30, 2015	68.06	68.06	66.55	67.21
4415	NASDAQ	OSIS	Wed, Apr 29, 2015	68.47	69.15	67.86	68.38
4414	NASDAQ	OSIS	Tue, Apr 28, 2015	69.29	69.65	67.58	68.68
4413	NASDAQ	OSIS	Mon, Apr 27, 2015	74.32	74.33	68.05	69.73
4412	NASDAQ	OSIS	Fri, Apr 24, 2015	75.95	76.33	75.35	75.63
4411	NASDAQ	OSIS	Thu, Apr 23, 2015	75.47	76.15	75.31	75.78
4410	NASDAQ	OSIS	Wed, Apr 22, 2015	75.67	76.70	75.09	75.76
4409	NASDAQ	OSIS	Tue, Apr 21, 2015	75.44	75.71	75.10	75.50
4408	NASDAQ	OSIS	Mon, Apr 20, 2015	75.31	76.19	75.00	75.23
4407	NASDAQ	OSIS	Fri, Apr 17, 2015	75.68	75.89	74.68	74.97
4406	NASDAQ	OSIS	Thu, Apr 16, 2015	76.25	76.50	75.77	76.32
4405	NASDAQ	OSIS	Wed, Apr 15, 2015	74.91	76.32	74.59	76.30
4404	NASDAQ	OSIS	Tue, Apr 14, 2015	73.90	74.71	73.80	74.53
4403	NASDAQ	OSIS	Mon, Apr 13, 2015	74.33	74.63	73.88	73.92
4402	NASDAQ	OSIS	Fri, Apr 10, 2015	74.17	74.71	73.94	74.25
4401	NASDAQ	OSIS	Thu, Apr 9, 2015	74.54	75.01	73.67	74.33
4400	NASDAQ	OSIS	Wed, Apr 8, 2015	74.03	75.50	73.76	74.97
4399	NASDAQ	OSIS	Tue, Apr 7, 2015	74.01	74.46	73.82	73.90
4398	NASDAQ	OSIS	Mon, Apr 6, 2015	73.85	74.49	73.35	74.13
4397	NASDAQ	OSIS	Thu, Apr 2, 2015	74.23	75.36	73.85	74.10
4396	NASDAQ	OSIS	Wed, Apr 1, 2015	74.00	74.44	73.68	74.41
4395	NASDAQ	OSIS	Tue, Mar 31, 2015	74.50	74.58	73.90	74.26
4394	NASDAQ	OSIS	Mon, Mar 30, 2015	74.25	75.00	73.97	74.87
4393	NASDAQ	OSIS	Fri, Mar 27, 2015	73.06	74.25	73.06	73.80
4392	NASDAQ	OSIS	Thu, Mar 26, 2015	72.00	73.41	71.61	73.24
4391	NASDAQ	OSIS	Wed, Mar 25, 2015	73.81	74.02	72.00	72.20
4390	NASDAQ	OSIS	Tue, Mar 24, 2015	73.26	74.29	72.74	73.73
4389	NASDAQ	OSIS	Mon, Mar 23, 2015	73.35	73.79	73.03	73.52
4388	NASDAQ	OSIS	Fri, Mar 20, 2015	73.85	73.99	73.08	73.62
4387	NASDAQ	OSIS	Thu, Mar 19, 2015	73.25	73.80	73.16	73.72
4386	NASDAQ	OSIS	Wed, Mar 18, 2015	73.25	73.84	72.43	73.59
4385	NASDAQ	OSIS	Tue, Mar 17, 2015	72.87	73.36	72.82	73.25
4384	NASDAQ	OSIS	Mon, Mar 16, 2015	72.70	73.58	72.52	73.02
4383	NASDAQ	OSIS	Fri, Mar 13, 2015	73.09	73.32	71.65	72.51
4382	NASDAQ	OSIS	Thu, Mar 12, 2015	73.25	73.72	72.71	73.12
4381	NASDAQ	OSIS	Wed, Mar 11, 2015	73.00	73.31	72.23	72.84
4380	NASDAQ	OSIS	Tue, Mar 10, 2015	72.58	73.17	72.05	73.00
4379	NASDAQ	OSIS	Mon, Mar 9, 2015	72.81	73.55	72.18	73.03
4378	NASDAQ	OSIS	Fri, Mar 6, 2015	72.64	73.17	72.15	72.62
4377	NASDAQ	OSIS	Thu, Mar 5, 2015	73.17	73.64	72.16	73.17
4376	NASDAQ	OSIS	Wed, Mar 4, 2015	72.84	73.42	71.77	73.00
4375	NASDAQ	OSIS	Tue, Mar 3, 2015	72.96	73.24	72.00	73.19
4374	NASDAQ	OSIS	Mon, Mar 2, 2015	72.61	73.84	72.56	73.36
4373	NASDAQ	OSIS	Fri, Feb 27, 2015	72.71	72.75	72.24	72.47
4372	NASDAQ	OSIS	Thu, Feb 26, 2015	72.30	73.25	72.02	72.88
4371	NASDAQ	OSIS	Wed, Feb 25, 2015	72.52	72.60	71.55	72.41
4370	NASDAQ	OSIS	Tue, Feb 24, 2015	71.86	72.79	71.73	72.38
4369	NASDAQ	OSIS	Mon, Feb 23, 2015	72.40	72.40	71.40	71.98
4368	NASDAQ	OSIS	Fri, Feb 20, 2015	72.00	72.53	71.12	72.50
4367	NASDAQ	OSIS	Thu, Feb 19, 2015	72.43	72.90	71.90	71.93
4366	NASDAQ	OSIS	Wed, Feb 18, 2015	71.48	72.97	71.48	72.75
4365	NASDAQ	OSIS	Tue, Feb 17, 2015	71.99	72.13	71.40	71.78
4364	NASDAQ	OSIS	Fri, Feb 13, 2015	72.05	72.09	71.00	71.63
4363	NASDAQ	OSIS	Thu, Feb 12, 2015	71.85	71.88	70.54	71.67
4362	NASDAQ	OSIS	Wed, Feb 11, 2015	71.80	72.76	70.80	71.15
4361	NASDAQ	OSIS	Tue, Feb 10, 2015	71.45	71.97	70.27	71.73
4360	NASDAQ	OSIS	Mon, Feb 9, 2015	70.59	71.00	70.37	70.73
4359	NASDAQ	OSIS	Fri, Feb 6, 2015	71.47	71.85	70.35	70.63
4358	NASDAQ	OSIS	Thu, Feb 5, 2015	70.23	71.30	69.99	71.22
4357	NASDAQ	OSIS	Wed, Feb 4, 2015	69.99	70.89	69.48	69.74
4356	NASDAQ	OSIS	Tue, Feb 3, 2015	70.26	71.27	69.60	70.00
4355	NASDAQ	OSIS	Mon, Feb 2, 2015	70.39	70.39	68.68	69.88
4354	NASDAQ	OSIS	Fri, Jan 30, 2015	70.87	72.00	69.89	69.98
4353	NASDAQ	OSIS	Thu, Jan 29, 2015	70.51	70.95	69.25	70.92
4352	NASDAQ	OSIS	Wed, Jan 28, 2015	72.24	72.31	70.19	70.20
4351	NASDAQ	OSIS	Tue, Jan 27, 2015	70.97	71.66	69.77	71.62
4350	NASDAQ	OSIS	Mon, Jan 26, 2015	71.00	73.88	70.17	71.50
4349	NASDAQ	OSIS	Fri, Jan 23, 2015	70.29	71.21	69.70	70.35
4348	NASDAQ	OSIS	Thu, Jan 22, 2015	69.60	70.17	68.46	70.04
4347	NASDAQ	OSIS	Wed, Jan 21, 2015	70.19	70.35	68.61	68.90
4346	NASDAQ	OSIS	Tue, Jan 20, 2015	69.31	70.49	68.33	70.25
4345	NASDAQ	OSIS	Fri, Jan 16, 2015	67.23	69.29	67.23	69.09
4344	NASDAQ	OSIS	Thu, Jan 15, 2015	70.12	70.18	66.90	67.43
4343	NASDAQ	OSIS	Wed, Jan 14, 2015	69.41	70.30	69.37	69.79
4342	NASDAQ	OSIS	Tue, Jan 13, 2015	70.87	72.72	69.21	70.06
4341	NASDAQ	OSIS	Mon, Jan 12, 2015	71.20	71.61	69.88	70.05
4340	NASDAQ	OSIS	Fri, Jan 9, 2015	71.67	72.46	70.88	71.32
4339	NASDAQ	OSIS	Thu, Jan 8, 2015	69.84	71.79	69.11	71.65
4338	NASDAQ	OSIS	Wed, Jan 7, 2015	68.57	69.10	67.75	69.10
4337	NASDAQ	OSIS	Tue, Jan 6, 2015	69.57	70.30	67.22	68.17
4336	NASDAQ	OSIS	Mon, Jan 5, 2015	70.14	71.34	69.10	69.35
4335	NASDAQ	OSIS	Fri, Jan 2, 2015	71.26	71.91	69.50	70.48
4334	NASDAQ	OSIS	Wed, Dec 31, 2014	72.00	72.81	70.67	70.77
4333	NASDAQ	OSIS	Tue, Dec 30, 2014	71.89	72.50	71.62	71.69
4332	NASDAQ	OSIS	Mon, Dec 29, 2014	72.51	73.10	71.88	72.24
4331	NASDAQ	OSIS	Fri, Dec 26, 2014	71.98	72.85	71.90	72.56
4330	NASDAQ	OSIS	Wed, Dec 24, 2014	71.83	72.56	71.56	71.75
4329	NASDAQ	OSIS	Tue, Dec 23, 2014	71.96	72.12	70.86	71.63
4328	NASDAQ	OSIS	Mon, Dec 22, 2014	71.68	72.42	71.02	71.52
4327	NASDAQ	OSIS	Fri, Dec 19, 2014	70.82	72.36	70.23	71.75
4326	NASDAQ	OSIS	Thu, Dec 18, 2014	71.32	71.97	70.11	70.93
4325	NASDAQ	OSIS	Wed, Dec 17, 2014	68.30	70.11	67.51	70.05
4324	NASDAQ	OSIS	Tue, Dec 16, 2014	67.64	68.98	67.56	68.30
4323	NASDAQ	OSIS	Mon, Dec 15, 2014	69.67	70.34	67.61	67.70
4322	NASDAQ	OSIS	Fri, Dec 12, 2014	71.79	71.79	69.11	69.21
4321	NASDAQ	OSIS	Thu, Dec 11, 2014	73.57	73.99	72.44	72.66
4320	NASDAQ	OSIS	Wed, Dec 10, 2014	74.18	74.79	72.33	73.37
4319	NASDAQ	OSIS	Tue, Dec 9, 2014	71.48	74.65	71.48	74.20
4318	NASDAQ	OSIS	Mon, Dec 8, 2014	72.50	73.75	72.07	72.39
4317	NASDAQ	OSIS	Fri, Dec 5, 2014	71.78	73.29	71.78	72.91
4316	NASDAQ	OSIS	Thu, Dec 4, 2014	71.73	72.15	71.29	71.77
4315	NASDAQ	OSIS	Wed, Dec 3, 2014	71.15	72.04	70.99	71.69
4314	NASDAQ	OSIS	Tue, Dec 2, 2014	69.58	71.42	69.52	71.37
4313	NASDAQ	OSIS	Mon, Dec 1, 2014	70.41	70.56	69.30	69.30
4312	NASDAQ	OSIS	Fri, Nov 28, 2014	70.72	71.94	70.36	70.57
4311	NASDAQ	OSIS	Wed, Nov 26, 2014	70.76	70.97	70.52	70.78
4310	NASDAQ	OSIS	Tue, Nov 25, 2014	70.57	70.99	70.27	70.84
4309	NASDAQ	OSIS	Mon, Nov 24, 2014	69.81	70.49	69.81	70.37
4308	NASDAQ	OSIS	Fri, Nov 21, 2014	70.29	70.35	69.29	69.53
4307	NASDAQ	OSIS	Thu, Nov 20, 2014	67.66	69.66	67.64	69.29
4306	NASDAQ	OSIS	Wed, Nov 19, 2014	68.67	68.67	67.72	67.95
4305	NASDAQ	OSIS	Tue, Nov 18, 2014	68.64	69.54	68.53	68.60
4304	NASDAQ	OSIS	Mon, Nov 17, 2014	68.93	69.31	68.11	68.44
4303	NASDAQ	OSIS	Fri, Nov 14, 2014	69.31	69.53	68.25	69.08
4302	NASDAQ	OSIS	Thu, Nov 13, 2014	69.77	70.13	69.62	69.83
4301	NASDAQ	OSIS	Wed, Nov 12, 2014	69.71	70.00	69.17	69.61
4300	NASDAQ	OSIS	Tue, Nov 11, 2014	69.76	70.36	69.22	70.11
4299	NASDAQ	OSIS	Mon, Nov 10, 2014	70.23	70.82	69.78	70.07
4298	NASDAQ	OSIS	Fri, Nov 7, 2014	70.40	70.74	70.01	70.50
4297	NASDAQ	OSIS	Thu, Nov 6, 2014	70.93	71.24	70.36	70.49
4296	NASDAQ	OSIS	Wed, Nov 5, 2014	71.31	71.31	70.26	70.85
4295	NASDAQ	OSIS	Tue, Nov 4, 2014	71.41	71.96	70.82	70.96
4294	NASDAQ	OSIS	Mon, Nov 3, 2014	70.69	71.83	70.58	71.44
4293	NASDAQ	OSIS	Fri, Oct 31, 2014	70.59	71.12	69.62	70.88
4292	NASDAQ	OSIS	Thu, Oct 30, 2014	69.22	69.88	68.74	69.71
4291	NASDAQ	OSIS	Wed, Oct 29, 2014	69.51	69.98	68.35	69.31
4290	NASDAQ	OSIS	Tue, Oct 28, 2014	68.72	69.95	68.60	69.79
4289	NASDAQ	OSIS	Mon, Oct 27, 2014	67.95	68.88	67.62	68.50
4288	NASDAQ	OSIS	Fri, Oct 24, 2014	70.04	70.04	66.70	67.94
4287	NASDAQ	OSIS	Thu, Oct 23, 2014	65.00	68.10	63.57	67.64
4286	NASDAQ	OSIS	Wed, Oct 22, 2014	65.40	67.65	63.98	64.12
4285	NASDAQ	OSIS	Tue, Oct 21, 2014	62.13	64.07	62.07	63.61
4284	NASDAQ	OSIS	Mon, Oct 20, 2014	61.42	62.40	60.79	61.78
4283	NASDAQ	OSIS	Fri, Oct 17, 2014	62.13	62.40	61.34	61.84
4282	NASDAQ	OSIS	Thu, Oct 16, 2014	60.12	61.78	59.20	61.27
4281	NASDAQ	OSIS	Wed, Oct 15, 2014	59.32	61.60	58.87	61.05
4280	NASDAQ	OSIS	Tue, Oct 14, 2014	59.97	61.15	59.54	59.80
4279	NASDAQ	OSIS	Mon, Oct 13, 2014	59.02	60.10	58.54	59.32
4278	NASDAQ	OSIS	Fri, Oct 10, 2014	59.89	60.56	59.04	59.12
4277	NASDAQ	OSIS	Thu, Oct 9, 2014	61.81	61.81	60.03	60.15
4276	NASDAQ	OSIS	Wed, Oct 8, 2014	60.25	61.89	60.01	61.79
4275	NASDAQ	OSIS	Tue, Oct 7, 2014	60.93	61.57	60.23	60.25
4274	NASDAQ	OSIS	Mon, Oct 6, 2014	62.68	62.71	61.24	61.33
4273	NASDAQ	OSIS	Fri, Oct 3, 2014	63.32	63.45	62.41	62.41
4272	NASDAQ	OSIS	Thu, Oct 2, 2014	62.28	63.36	61.73	62.75
4271	NASDAQ	OSIS	Wed, Oct 1, 2014	63.48	63.62	61.97	62.11
4270	NASDAQ	OSIS	Tue, Sep 30, 2014	63.63	64.65	63.08	63.48
4269	NASDAQ	OSIS	Mon, Sep 29, 2014	62.89	63.70	62.89	63.62
4268	NASDAQ	OSIS	Fri, Sep 26, 2014	63.66	64.05	63.06	63.60
4267	NASDAQ	OSIS	Thu, Sep 25, 2014	63.81	63.93	62.10	63.52
4266	NASDAQ	OSIS	Wed, Sep 24, 2014	62.60	64.24	62.26	64.11
4265	NASDAQ	OSIS	Tue, Sep 23, 2014	62.82	62.98	62.24	62.63
4264	NASDAQ	OSIS	Mon, Sep 22, 2014	63.10	63.31	62.32	62.96
4263	NASDAQ	OSIS	Fri, Sep 19, 2014	65.23	65.57	63.10	63.25
4262	NASDAQ	OSIS	Thu, Sep 18, 2014	65.37	65.88	64.41	65.05
4261	NASDAQ	OSIS	Wed, Sep 17, 2014	65.61	66.12	64.30	65.21
4260	NASDAQ	OSIS	Tue, Sep 16, 2014	65.27	65.72	64.90	65.26
4259	NASDAQ	OSIS	Mon, Sep 15, 2014	66.22	66.65	64.54	65.29
4258	NASDAQ	OSIS	Fri, Sep 12, 2014	66.70	67.16	65.62	66.43
4257	NASDAQ	OSIS	Thu, Sep 11, 2014	66.63	67.50	66.63	66.86
4256	NASDAQ	OSIS	Wed, Sep 10, 2014	67.29	67.83	66.46	66.85
4255	NASDAQ	OSIS	Tue, Sep 9, 2014	68.82	68.98	67.22	67.39
4254	NASDAQ	OSIS	Mon, Sep 8, 2014	68.47	69.36	68.30	68.85
4253	NASDAQ	OSIS	Fri, Sep 5, 2014	68.17	68.99	67.88	68.76
4252	NASDAQ	OSIS	Thu, Sep 4, 2014	68.48	69.03	68.22	68.42
4251	NASDAQ	OSIS	Wed, Sep 3, 2014	68.24	68.77	67.72	68.33
4250	NASDAQ	OSIS	Tue, Sep 2, 2014	67.79	68.49	66.84	68.07
4249	NASDAQ	OSIS	Fri, Aug 29, 2014	69.82	70.07	69.32	69.76
4248	NASDAQ	OSIS	Thu, Aug 28, 2014	68.91	70.00	68.62	69.67
4247	NASDAQ	OSIS	Wed, Aug 27, 2014	68.52	70.27	68.52	69.46
4246	NASDAQ	OSIS	Tue, Aug 26, 2014	68.00	69.18	66.57	68.69
4245	NASDAQ	OSIS	Mon, Aug 25, 2014	69.95	70.19	66.75	67.61
4244	NASDAQ	OSIS	Fri, Aug 22, 2014	68.02	68.12	67.00	67.27
4243	NASDAQ	OSIS	Thu, Aug 21, 2014	67.65	68.38	66.95	68.03
4242	NASDAQ	OSIS	Wed, Aug 20, 2014	67.20	68.74	66.35	67.54
4241	NASDAQ	OSIS	Tue, Aug 19, 2014	66.94	67.89	66.88	67.36
4240	NASDAQ	OSIS	Mon, Aug 18, 2014	67.59	67.59	66.61	66.99
4239	NASDAQ	OSIS	Fri, Aug 15, 2014	68.77	68.88	66.85	67.00
4238	NASDAQ	OSIS	Thu, Aug 14, 2014	67.64	68.36	67.35	68.20
4237	NASDAQ	OSIS	Wed, Aug 13, 2014	66.40	67.64	65.83	67.42
4236	NASDAQ	OSIS	Tue, Aug 12, 2014	66.18	66.75	65.90	66.15
4235	NASDAQ	OSIS	Mon, Aug 11, 2014	67.25	67.25	65.84	66.46
4234	NASDAQ	OSIS	Fri, Aug 8, 2014	67.11	68.10	66.91	67.16
4233	NASDAQ	OSIS	Thu, Aug 7, 2014	67.95	68.50	66.56	66.95
4232	NASDAQ	OSIS	Wed, Aug 6, 2014	66.26	68.28	65.81	67.77
4231	NASDAQ	OSIS	Tue, Aug 5, 2014	66.62	67.98	65.99	66.88
4230	NASDAQ	OSIS	Mon, Aug 4, 2014	66.24	67.23	65.49	67.02
4229	NASDAQ	OSIS	Fri, Aug 1, 2014	66.41	67.15	65.11	66.08
4228	NASDAQ	OSIS	Thu, Jul 31, 2014	66.95	68.14	65.76	66.30
4227	NASDAQ	OSIS	Wed, Jul 30, 2014	67.59	68.21	66.69	67.88
4226	NASDAQ	OSIS	Tue, Jul 29, 2014	66.59	67.71	66.59	67.13
4225	NASDAQ	OSIS	Mon, Jul 28, 2014	66.26	66.86	65.58	66.64
4224	NASDAQ	OSIS	Fri, Jul 25, 2014	65.63	66.64	65.38	66.24
4223	NASDAQ	OSIS	Thu, Jul 24, 2014	65.68	66.46	65.31	66.18
4222	NASDAQ	OSIS	Wed, Jul 23, 2014	66.59	66.63	65.80	66.09
4221	NASDAQ	OSIS	Tue, Jul 22, 2014	66.38	67.70	66.30	66.65
4220	NASDAQ	OSIS	Mon, Jul 21, 2014	66.11	66.42	65.21	66.09
4219	NASDAQ	OSIS	Fri, Jul 18, 2014	63.88	66.69	63.88	66.41
4218	NASDAQ	OSIS	Thu, Jul 17, 2014	63.95	65.15	63.55	63.97
4217	NASDAQ	OSIS	Wed, Jul 16, 2014	64.96	65.58	64.26	64.30
4216	NASDAQ	OSIS	Tue, Jul 15, 2014	65.51	65.92	64.27	64.78
4215	NASDAQ	OSIS	Mon, Jul 14, 2014	65.64	65.85	64.83	65.29
4214	NASDAQ	OSIS	Fri, Jul 11, 2014	64.66	65.29	64.31	64.84
4213	NASDAQ	OSIS	Thu, Jul 10, 2014	64.62	65.39	64.06	64.81
4212	NASDAQ	OSIS	Wed, Jul 9, 2014	64.77	66.18	64.66	65.44
4211	NASDAQ	OSIS	Tue, Jul 8, 2014	65.43	65.63	64.38	64.47
4210	NASDAQ	OSIS	Mon, Jul 7, 2014	66.85	67.29	65.65	65.75
4209	NASDAQ	OSIS	Thu, Jul 3, 2014	67.08	67.77	66.44	67.35
4208	NASDAQ	OSIS	Wed, Jul 2, 2014	67.83	68.40	66.66	66.92
4207	NASDAQ	OSIS	Tue, Jul 1, 2014	67.10	68.99	67.05	68.08
4206	NASDAQ	OSIS	Mon, Jun 30, 2014	66.31	66.92	65.55	66.75
4205	NASDAQ	OSIS	Fri, Jun 27, 2014	65.36	66.41	65.36	66.26
4204	NASDAQ	OSIS	Thu, Jun 26, 2014	65.56	65.95	64.59	65.80
4203	NASDAQ	OSIS	Wed, Jun 25, 2014	64.77	65.50	64.47	65.42
4202	NASDAQ	OSIS	Tue, Jun 24, 2014	66.48	67.22	65.04	65.09
4201	NASDAQ	OSIS	Mon, Jun 23, 2014	65.94	67.44	65.90	66.76
4200	NASDAQ	OSIS	Fri, Jun 20, 2014	64.07	64.28	63.24	63.70
4199	NASDAQ	OSIS	Thu, Jun 19, 2014	64.27	64.73	63.60	63.66
4198	NASDAQ	OSIS	Wed, Jun 18, 2014	63.94	64.26	63.11	64.21
4197	NASDAQ	OSIS	Tue, Jun 17, 2014	62.53	64.32	62.30	64.14
4196	NASDAQ	OSIS	Mon, Jun 16, 2014	62.50	62.66	61.98	62.53
4195	NASDAQ	OSIS	Fri, Jun 13, 2014	62.22	62.75	62.00	62.52
4194	NASDAQ	OSIS	Thu, Jun 12, 2014	62.52	62.53	61.20	61.90
4193	NASDAQ	OSIS	Wed, Jun 11, 2014	61.20	62.63	61.20	62.57
4192	NASDAQ	OSIS	Tue, Jun 10, 2014	62.02	62.22	61.36	61.60
4191	NASDAQ	OSIS	Mon, Jun 9, 2014	61.33	63.00	61.33	62.16
4190	NASDAQ	OSIS	Fri, Jun 6, 2014	60.60	61.53	60.60	61.47
4189	NASDAQ	OSIS	Thu, Jun 5, 2014	57.69	60.33	57.53	60.28
4188	NASDAQ	OSIS	Wed, Jun 4, 2014	57.17	57.91	57.09	57.44
4187	NASDAQ	OSIS	Tue, Jun 3, 2014	57.65	57.90	56.83	57.47
4186	NASDAQ	OSIS	Mon, Jun 2, 2014	57.18	58.02	56.32	58.00
4185	NASDAQ	OSIS	Fri, May 30, 2014	57.55	58.07	56.64	56.95
4184	NASDAQ	OSIS	Thu, May 29, 2014	58.07	58.21	57.29	57.36
4183	NASDAQ	OSIS	Wed, May 28, 2014	57.72	57.96	56.70	57.70
4182	NASDAQ	OSIS	Tue, May 27, 2014	57.54	58.33	57.45	57.97
4181	NASDAQ	OSIS	Fri, May 23, 2014	56.01	56.99	55.90	56.97
4180	NASDAQ	OSIS	Thu, May 22, 2014	55.46	56.27	55.46	55.91
4179	NASDAQ	OSIS	Wed, May 21, 2014	55.41	55.70	54.65	55.29
4178	NASDAQ	OSIS	Tue, May 20, 2014	55.60	55.60	54.57	55.11
4177	NASDAQ	OSIS	Mon, May 19, 2014	54.94	56.14	54.93	55.85
4176	NASDAQ	OSIS	Fri, May 16, 2014	55.83	55.83	54.89	55.00
4175	NASDAQ	OSIS	Thu, May 15, 2014	55.60	56.30	54.85	55.95
4174	NASDAQ	OSIS	Wed, May 14, 2014	56.19	56.67	55.42	55.92
4173	NASDAQ	OSIS	Tue, May 13, 2014	58.20	58.20	56.05	56.47
4172	NASDAQ	OSIS	Mon, May 12, 2014	56.52	58.45	56.52	58.21
4171	NASDAQ	OSIS	Fri, May 9, 2014	54.81	56.53	54.59	56.29
4170	NASDAQ	OSIS	Thu, May 8, 2014	55.20	56.58	55.00	55.10
4169	NASDAQ	OSIS	Wed, May 7, 2014	55.42	55.87	54.35	55.21
4168	NASDAQ	OSIS	Tue, May 6, 2014	56.98	57.51	55.34	55.53
4167	NASDAQ	OSIS	Mon, May 5, 2014	57.33	57.88	56.26	57.09
4166	NASDAQ	OSIS	Fri, May 2, 2014	57.21	58.28	56.24	57.55
4165	NASDAQ	OSIS	Thu, May 1, 2014	55.53	57.58	54.49	57.22
4164	NASDAQ	OSIS	Wed, Apr 30, 2014	55.21	57.00	52.68	55.62
4163	NASDAQ	OSIS	Tue, Apr 29, 2014	57.40	57.88	56.46	57.26
4162	NASDAQ	OSIS	Mon, Apr 28, 2014	57.28	57.94	56.00	56.96
4161	NASDAQ	OSIS	Fri, Apr 25, 2014	58.85	58.90	56.54	57.04
4160	NASDAQ	OSIS	Thu, Apr 24, 2014	60.42	60.78	58.70	59.28
4159	NASDAQ	OSIS	Wed, Apr 23, 2014	61.03	61.03	59.56	59.92
4158	NASDAQ	OSIS	Tue, Apr 22, 2014	60.59	61.88	60.45	60.98
4157	NASDAQ	OSIS	Mon, Apr 21, 2014	61.43	62.16	60.11	60.59
4156	NASDAQ	OSIS	Thu, Apr 17, 2014	60.46	62.48	59.97	61.16
4155	NASDAQ	OSIS	Wed, Apr 16, 2014	59.29	61.09	59.28	60.84
4154	NASDAQ	OSIS	Tue, Apr 15, 2014	58.61	59.24	57.76	58.99
4153	NASDAQ	OSIS	Mon, Apr 14, 2014	59.46	60.03	57.60	58.27
4152	NASDAQ	OSIS	Fri, Apr 11, 2014	58.31	59.45	57.66	58.84
4151	NASDAQ	OSIS	Thu, Apr 10, 2014	60.86	61.06	58.65	58.93
4150	NASDAQ	OSIS	Wed, Apr 9, 2014	60.34	61.09	59.82	61.09
4149	NASDAQ	OSIS	Tue, Apr 8, 2014	60.32	61.36	59.72	60.22
4148	NASDAQ	OSIS	Mon, Apr 7, 2014	60.97	61.96	59.46	60.44
4147	NASDAQ	OSIS	Fri, Apr 4, 2014	62.90	62.90	60.98	61.26
4146	NASDAQ	OSIS	Thu, Apr 3, 2014	63.60	64.11	61.91	62.46
4145	NASDAQ	OSIS	Wed, Apr 2, 2014	61.34	63.72	61.12	63.37
4144	NASDAQ	OSIS	Tue, Apr 1, 2014	60.11	61.85	60.11	61.01
4143	NASDAQ	OSIS	Mon, Mar 31, 2014	59.54	60.47	59.20	59.86
4142	NASDAQ	OSIS	Fri, Mar 28, 2014	59.24	59.71	58.87	59.14
4141	NASDAQ	OSIS	Thu, Mar 27, 2014	60.31	61.17	59.05	59.45
4140	NASDAQ	OSIS	Wed, Mar 26, 2014	62.40	62.73	60.12	60.14
4139	NASDAQ	OSIS	Tue, Mar 25, 2014	62.63	63.28	61.90	61.93
4138	NASDAQ	OSIS	Mon, Mar 24, 2014	62.59	63.18	60.86	62.21
4137	NASDAQ	OSIS	Fri, Mar 21, 2014	64.00	64.00	62.54	62.66
4136	NASDAQ	OSIS	Thu, Mar 20, 2014	63.88	64.55	63.84	64.24
4135	NASDAQ	OSIS	Wed, Mar 19, 2014	64.13	65.16	63.76	64.16
4134	NASDAQ	OSIS	Tue, Mar 18, 2014	64.33	64.72	63.95	64.55
4133	NASDAQ	OSIS	Mon, Mar 17, 2014	63.63	64.48	63.06	64.21
4132	NASDAQ	OSIS	Fri, Mar 14, 2014	62.17	63.45	62.17	63.14
4131	NASDAQ	OSIS	Thu, Mar 13, 2014	62.86	63.38	61.64	62.51
4130	NASDAQ	OSIS	Wed, Mar 12, 2014	63.09	63.48	62.50	62.74
4129	NASDAQ	OSIS	Tue, Mar 11, 2014	64.68	65.02	63.23	63.53
4128	NASDAQ	OSIS	Mon, Mar 10, 2014	65.00	66.78	63.19	64.79
4127	NASDAQ	OSIS	Fri, Mar 7, 2014	65.41	65.41	64.16	64.84
4126	NASDAQ	OSIS	Thu, Mar 6, 2014	64.41	65.15	64.41	64.82
4125	NASDAQ	OSIS	Wed, Mar 5, 2014	62.88	64.39	62.42	64.24
4124	NASDAQ	OSIS	Tue, Mar 4, 2014	61.93	63.65	61.93	63.08
4123	NASDAQ	OSIS	Mon, Mar 3, 2014	61.00	61.66	59.90	61.33
4122	NASDAQ	OSIS	Fri, Feb 28, 2014	61.72	62.31	60.77	61.47
4121	NASDAQ	OSIS	Thu, Feb 27, 2014	62.17	62.55	61.15	61.57
4120	NASDAQ	OSIS	Wed, Feb 26, 2014	61.98	62.71	61.55	62.24
4119	NASDAQ	OSIS	Tue, Feb 25, 2014	62.47	62.50	61.58	61.79
4118	NASDAQ	OSIS	Mon, Feb 24, 2014	62.72	63.03	62.20	62.44
4117	NASDAQ	OSIS	Fri, Feb 21, 2014	62.53	62.60	61.72	62.50
4116	NASDAQ	OSIS	Thu, Feb 20, 2014	61.45	62.34	61.11	62.21
4115	NASDAQ	OSIS	Wed, Feb 19, 2014	60.51	63.22	60.33	61.40
4114	NASDAQ	OSIS	Tue, Feb 18, 2014	59.59	60.39	59.40	60.35
4113	NASDAQ	OSIS	Fri, Feb 14, 2014	59.33	59.44	58.36	59.33
4112	NASDAQ	OSIS	Thu, Feb 13, 2014	58.51	59.29	58.28	59.23
4111	NASDAQ	OSIS	Wed, Feb 12, 2014	59.00	59.28	58.66	58.84
4110	NASDAQ	OSIS	Tue, Feb 11, 2014	59.46	59.64	58.48	58.88
4109	NASDAQ	OSIS	Mon, Feb 10, 2014	58.46	59.55	57.98	59.46
4108	NASDAQ	OSIS	Fri, Feb 7, 2014	58.26	59.31	57.99	58.71
4107	NASDAQ	OSIS	Thu, Feb 6, 2014	57.58	58.20	57.17	57.87
4106	NASDAQ	OSIS	Wed, Feb 5, 2014	57.70	58.03	56.12	57.40
4105	NASDAQ	OSIS	Tue, Feb 4, 2014	57.73	58.19	56.50	57.80
4104	NASDAQ	OSIS	Mon, Feb 3, 2014	58.02	59.58	56.83	57.46
4103	NASDAQ	OSIS	Fri, Jan 31, 2014	57.11	58.73	56.46	57.93
4102	NASDAQ	OSIS	Thu, Jan 30, 2014	56.75	58.03	56.17	57.91
4101	NASDAQ	OSIS	Wed, Jan 29, 2014	56.08	57.68	55.90	56.38
4100	NASDAQ	OSIS	Tue, Jan 28, 2014	55.64	58.48	54.75	56.35
4099	NASDAQ	OSIS	Mon, Jan 27, 2014	57.31	57.33	54.99	55.51
4098	NASDAQ	OSIS	Fri, Jan 24, 2014	58.54	58.54	56.78	57.33
4097	NASDAQ	OSIS	Thu, Jan 23, 2014	58.54	59.38	57.91	59.22
4096	NASDAQ	OSIS	Wed, Jan 22, 2014	58.48	59.13	58.06	58.75
4095	NASDAQ	OSIS	Tue, Jan 21, 2014	57.96	59.22	57.77	58.29
4094	NASDAQ	OSIS	Fri, Jan 17, 2014	57.69	58.09	57.11	57.81
4093	NASDAQ	OSIS	Thu, Jan 16, 2014	59.43	59.43	57.15	57.58
4092	NASDAQ	OSIS	Wed, Jan 15, 2014	59.14	60.00	58.84	59.55
4091	NASDAQ	OSIS	Tue, Jan 14, 2014	58.33	59.37	57.93	59.23
4090	NASDAQ	OSIS	Mon, Jan 13, 2014	57.00	58.44	57.00	58.04
4089	NASDAQ	OSIS	Fri, Jan 10, 2014	56.29	57.61	55.34	57.04
4088	NASDAQ	OSIS	Thu, Jan 9, 2014	55.80	56.94	55.80	56.04
4087	NASDAQ	OSIS	Wed, Jan 8, 2014	54.88	56.15	54.14	55.76
4086	NASDAQ	OSIS	Tue, Jan 7, 2014	53.52	55.82	53.52	55.08
4085	NASDAQ	OSIS	Mon, Jan 6, 2014	53.79	53.79	52.73	53.20
4084	NASDAQ	OSIS	Fri, Jan 3, 2014	52.20	53.97	52.01	53.36
4083	NASDAQ	OSIS	Thu, Jan 2, 2014	53.00	53.00	51.85	52.20
4082	NASDAQ	OSIS	Tue, Dec 31, 2013	52.30	53.32	51.66	53.11
4081	NASDAQ	OSIS	Mon, Dec 30, 2013	52.65	53.45	52.32	52.37
4080	NASDAQ	OSIS	Fri, Dec 27, 2013	51.80	54.29	51.01	52.51
4079	NASDAQ	OSIS	Thu, Dec 26, 2013	51.15	52.00	51.00	51.60
4078	NASDAQ	OSIS	Tue, Dec 24, 2013	51.08	51.60	50.60	51.14
4077	NASDAQ	OSIS	Mon, Dec 23, 2013	51.23	51.98	50.31	51.55
4076	NASDAQ	OSIS	Fri, Dec 20, 2013	50.70	51.37	50.01	50.68
4075	NASDAQ	OSIS	Thu, Dec 19, 2013	50.60	50.81	49.81	50.58
4074	NASDAQ	OSIS	Wed, Dec 18, 2013	52.81	52.89	50.35	50.84
4073	NASDAQ	OSIS	Tue, Dec 17, 2013	53.99	54.41	52.17	52.95
4072	NASDAQ	OSIS	Mon, Dec 16, 2013	52.08	54.90	52.08	54.47
4071	NASDAQ	OSIS	Fri, Dec 13, 2013	50.59	52.34	50.05	52.08
4070	NASDAQ	OSIS	Thu, Dec 12, 2013	48.88	50.76	48.50	50.65
4069	NASDAQ	OSIS	Wed, Dec 11, 2013	48.75	50.22	48.27	49.00
4068	NASDAQ	OSIS	Tue, Dec 10, 2013	48.53	51.89	46.61	48.91
4067	NASDAQ	OSIS	Mon, Dec 9, 2013	65.59	65.92	39.00	47.38
4066	NASDAQ	OSIS	Fri, Dec 6, 2013	68.53	68.70	64.41	64.75
4065	NASDAQ	OSIS	Thu, Dec 5, 2013	72.55	73.03	71.29	71.72
4064	NASDAQ	OSIS	Wed, Dec 4, 2013	72.80	73.92	72.57	72.75
4063	NASDAQ	OSIS	Tue, Dec 3, 2013	74.63	74.85	72.95	73.14
4062	NASDAQ	OSIS	Mon, Dec 2, 2013	76.44	76.50	74.01	74.54
4061	NASDAQ	OSIS	Fri, Nov 29, 2013	76.75	77.45	76.05	76.70
4060	NASDAQ	OSIS	Wed, Nov 27, 2013	75.29	76.80	75.26	76.61
4059	NASDAQ	OSIS	Tue, Nov 26, 2013	75.06	75.84	74.70	75.25
4058	NASDAQ	OSIS	Mon, Nov 25, 2013	75.22	75.28	74.53	74.89
4057	NASDAQ	OSIS	Fri, Nov 22, 2013	74.93	75.77	74.58	75.00
4056	NASDAQ	OSIS	Thu, Nov 21, 2013	74.48	75.09	74.00	74.77
4055	NASDAQ	OSIS	Wed, Nov 20, 2013	75.39	75.62	74.00	74.19
4054	NASDAQ	OSIS	Tue, Nov 19, 2013	74.59	76.43	74.47	75.09
4053	NASDAQ	OSIS	Mon, Nov 18, 2013	75.10	75.50	74.22	74.64
4052	NASDAQ	OSIS	Fri, Nov 15, 2013	74.88	75.38	74.61	75.03
4051	NASDAQ	OSIS	Thu, Nov 14, 2013	73.95	75.99	72.78	75.00
4050	NASDAQ	OSIS	Wed, Nov 13, 2013	73.36	73.89	72.66	73.82
4049	NASDAQ	OSIS	Tue, Nov 12, 2013	73.24	73.70	72.19	73.59
4048	NASDAQ	OSIS	Mon, Nov 11, 2013	73.62	73.70	72.36	73.34
4047	NASDAQ	OSIS	Fri, Nov 8, 2013	72.46	73.79	72.46	73.56
4046	NASDAQ	OSIS	Thu, Nov 7, 2013	73.38	73.50	72.19	72.50
4045	NASDAQ	OSIS	Wed, Nov 6, 2013	73.51	73.75	72.92	72.98
4044	NASDAQ	OSIS	Tue, Nov 5, 2013	73.03	73.54	72.68	73.24
4043	NASDAQ	OSIS	Mon, Nov 4, 2013	72.99	73.59	72.58	73.24
4042	NASDAQ	OSIS	Fri, Nov 1, 2013	72.71	73.80	72.04	72.51
4041	NASDAQ	OSIS	Thu, Oct 31, 2013	71.05	73.86	71.05	72.84
4040	NASDAQ	OSIS	Wed, Oct 30, 2013	71.00	71.59	70.96	71.21
4039	NASDAQ	OSIS	Tue, Oct 29, 2013	71.86	72.20	70.02	71.18
4038	NASDAQ	OSIS	Mon, Oct 28, 2013	73.57	74.17	70.22	71.47
4037	NASDAQ	OSIS	Fri, Oct 25, 2013	73.12	73.94	72.07	73.52
4036	NASDAQ	OSIS	Thu, Oct 24, 2013	74.58	75.33	71.81	72.84
4035	NASDAQ	OSIS	Wed, Oct 23, 2013	78.33	78.50	74.03	74.65
4034	NASDAQ	OSIS	Tue, Oct 22, 2013	77.23	77.87	74.73	75.00
4033	NASDAQ	OSIS	Mon, Oct 21, 2013	76.47	77.09	76.05	77.01
4032	NASDAQ	OSIS	Fri, Oct 18, 2013	75.99	77.40	75.46	76.14
4031	NASDAQ	OSIS	Thu, Oct 17, 2013	74.75	75.43	74.55	75.26
4030	NASDAQ	OSIS	Wed, Oct 16, 2013	76.18	76.24	74.99	75.08
4029	NASDAQ	OSIS	Tue, Oct 15, 2013	76.04	76.49	75.32	75.68
4028	NASDAQ	OSIS	Mon, Oct 14, 2013	75.65	77.03	74.85	76.09
4027	NASDAQ	OSIS	Fri, Oct 11, 2013	74.91	77.13	74.91	76.23
4026	NASDAQ	OSIS	Thu, Oct 10, 2013	75.21	75.89	74.71	75.30
4025	NASDAQ	OSIS	Wed, Oct 9, 2013	74.72	74.83	73.67	74.22
4024	NASDAQ	OSIS	Tue, Oct 8, 2013	75.11	75.47	73.69	74.26
4023	NASDAQ	OSIS	Mon, Oct 7, 2013	75.47	76.06	74.70	75.27
4022	NASDAQ	OSIS	Fri, Oct 4, 2013	74.81	76.74	74.81	75.90
4021	NASDAQ	OSIS	Thu, Oct 3, 2013	75.77	76.07	73.92	74.87
4020	NASDAQ	OSIS	Wed, Oct 2, 2013	75.77	76.62	74.23	76.11
4019	NASDAQ	OSIS	Tue, Oct 1, 2013	74.23	76.73	73.90	76.04
4018	NASDAQ	OSIS	Mon, Sep 30, 2013	74.37	75.00	73.77	74.38
4017	NASDAQ	OSIS	Fri, Sep 27, 2013	74.26	74.95	74.11	74.37
4016	NASDAQ	OSIS	Thu, Sep 26, 2013	74.82	75.98	74.48	74.87
4015	NASDAQ	OSIS	Wed, Sep 25, 2013	74.68	75.31	74.60	74.71
4014	NASDAQ	OSIS	Tue, Sep 24, 2013	75.37	75.78	74.45	74.84
4013	NASDAQ	OSIS	Mon, Sep 23, 2013	75.13	75.99	74.17	75.39
4012	NASDAQ	OSIS	Fri, Sep 20, 2013	74.81	75.59	74.80	75.09
4011	NASDAQ	OSIS	Thu, Sep 19, 2013	75.67	76.16	74.51	74.75
4010	NASDAQ	OSIS	Wed, Sep 18, 2013	74.64	76.25	74.22	75.72
4009	NASDAQ	OSIS	Tue, Sep 17, 2013	73.68	75.00	73.66	74.81
4008	NASDAQ	OSIS	Mon, Sep 16, 2013	74.13	74.45	73.62	73.73
4007	NASDAQ	OSIS	Fri, Sep 13, 2013	72.49	73.85	72.03	73.63
4006	NASDAQ	OSIS	Thu, Sep 12, 2013	73.49	73.85	72.04	72.13
4005	NASDAQ	OSIS	Wed, Sep 11, 2013	73.57	73.85	72.41	73.00
4004	NASDAQ	OSIS	Tue, Sep 10, 2013	73.00	73.85	72.60	73.77
4003	NASDAQ	OSIS	Mon, Sep 9, 2013	72.39	72.99	71.97	72.66
4002	NASDAQ	OSIS	Fri, Sep 6, 2013	72.59	73.02	71.00	72.07
4001	NASDAQ	OSIS	Thu, Sep 5, 2013	72.53	73.01	72.36	72.47
4000	NASDAQ	OSIS	Wed, Sep 4, 2013	71.73	72.52	71.19	72.35
3999	NASDAQ	OSIS	Tue, Sep 3, 2013	73.33	73.93	71.01	71.81
3998	NASDAQ	OSIS	Fri, Aug 30, 2013	72.12	72.99	71.29	72.70
3997	NASDAQ	OSIS	Thu, Aug 29, 2013	71.04	72.75	71.01	71.94
3996	NASDAQ	OSIS	Wed, Aug 28, 2013	70.78	71.76	70.55	71.16
3995	NASDAQ	OSIS	Tue, Aug 27, 2013	72.02	72.60	70.89	70.90
3994	NASDAQ	OSIS	Mon, Aug 26, 2013	71.76	73.34	71.74	72.76
3993	NASDAQ	OSIS	Fri, Aug 23, 2013	71.17	72.02	70.42	71.83
3992	NASDAQ	OSIS	Thu, Aug 22, 2013	70.36	71.38	70.36	71.02
3991	NASDAQ	OSIS	Wed, Aug 21, 2013	68.59	70.78	68.59	69.95
3990	NASDAQ	OSIS	Tue, Aug 20, 2013	67.85	69.05	67.57	69.01
3989	NASDAQ	OSIS	Mon, Aug 19, 2013	69.00	69.14	67.66	67.79
3988	NASDAQ	OSIS	Fri, Aug 16, 2013	69.51	70.22	68.74	69.16
3987	NASDAQ	OSIS	Thu, Aug 15, 2013	70.63	70.63	69.34	69.88
3986	NASDAQ	OSIS	Wed, Aug 14, 2013	72.95	74.92	70.11	70.48
3985	NASDAQ	OSIS	Tue, Aug 13, 2013	74.20	74.40	71.86	72.15
3984	NASDAQ	OSIS	Mon, Aug 12, 2013	72.94	74.98	72.94	74.36
3983	NASDAQ	OSIS	Fri, Aug 9, 2013	70.95	74.18	70.95	73.67
3982	NASDAQ	OSIS	Thu, Aug 8, 2013	69.50	71.45	69.50	70.99
3981	NASDAQ	OSIS	Wed, Aug 7, 2013	69.21	69.66	68.52	69.00
3980	NASDAQ	OSIS	Tue, Aug 6, 2013	70.43	70.50	68.92	69.51
3979	NASDAQ	OSIS	Mon, Aug 5, 2013	69.69	71.37	69.40	70.50
3978	NASDAQ	OSIS	Fri, Aug 2, 2013	70.34	70.68	69.63	70.00
3977	NASDAQ	OSIS	Thu, Aug 1, 2013	71.00	71.00	69.59	70.75
3976	NASDAQ	OSIS	Wed, Jul 31, 2013	70.56	70.84	69.50	70.39
3975	NASDAQ	OSIS	Tue, Jul 30, 2013	70.22	70.99	69.59	70.18
3974	NASDAQ	OSIS	Mon, Jul 29, 2013	70.37	70.84	69.64	69.78
3973	NASDAQ	OSIS	Fri, Jul 26, 2013	70.46	70.90	69.67	70.28
3972	NASDAQ	OSIS	Thu, Jul 25, 2013	69.93	71.24	69.93	71.01
3971	NASDAQ	OSIS	Wed, Jul 24, 2013	70.34	70.75	69.69	70.24
3970	NASDAQ	OSIS	Tue, Jul 23, 2013	70.47	71.46	69.29	69.89
3969	NASDAQ	OSIS	Mon, Jul 22, 2013	69.31	70.13	68.55	70.07
3968	NASDAQ	OSIS	Fri, Jul 19, 2013	68.89	69.63	67.98	69.48
3967	NASDAQ	OSIS	Thu, Jul 18, 2013	68.74	69.19	68.12	69.10
3966	NASDAQ	OSIS	Wed, Jul 17, 2013	69.10	69.53	68.00	68.37
3965	NASDAQ	OSIS	Tue, Jul 16, 2013	68.35	69.15	67.80	68.88
3964	NASDAQ	OSIS	Mon, Jul 15, 2013	68.51	69.19	68.07	68.49
3963	NASDAQ	OSIS	Fri, Jul 12, 2013	68.81	69.91	68.15	68.66
3962	NASDAQ	OSIS	Thu, Jul 11, 2013	68.89	69.53	68.39	69.10
3961	NASDAQ	OSIS	Wed, Jul 10, 2013	66.80	68.67	66.56	68.33
3960	NASDAQ	OSIS	Tue, Jul 9, 2013	67.55	67.89	66.61	67.03
3959	NASDAQ	OSIS	Mon, Jul 8, 2013	67.83	67.85	66.41	67.42
3958	NASDAQ	OSIS	Fri, Jul 5, 2013	66.10	68.19	65.44	67.84
3957	NASDAQ	OSIS	Wed, Jul 3, 2013	63.53	66.58	63.53	65.09
3956	NASDAQ	OSIS	Tue, Jul 2, 2013	64.22	65.22	63.20	63.68
3955	NASDAQ	OSIS	Mon, Jul 1, 2013	64.39	64.92	64.07	64.39
3954	NASDAQ	OSIS	Fri, Jun 28, 2013	64.70	66.13	64.13	64.42
3953	NASDAQ	OSIS	Thu, Jun 27, 2013	63.93	65.13	63.68	65.04
3952	NASDAQ	OSIS	Wed, Jun 26, 2013	63.55	63.88	62.82	63.46
3951	NASDAQ	OSIS	Tue, Jun 25, 2013	63.25	63.50	61.74	63.25
3950	NASDAQ	OSIS	Mon, Jun 24, 2013	62.75	63.98	61.89	62.51
3949	NASDAQ	OSIS	Fri, Jun 21, 2013	56.05	67.50	55.35	63.51
3948	NASDAQ	OSIS	Thu, Jun 20, 2013	57.10	57.60	55.50	55.86
3947	NASDAQ	OSIS	Wed, Jun 19, 2013	58.88	59.44	57.63	57.73
3946	NASDAQ	OSIS	Tue, Jun 18, 2013	58.60	59.17	58.00	59.01
3945	NASDAQ	OSIS	Mon, Jun 17, 2013	57.24	58.59	56.59	58.45
3944	NASDAQ	OSIS	Fri, Jun 14, 2013	56.52	56.92	55.58	56.81
3943	NASDAQ	OSIS	Thu, Jun 13, 2013	54.95	56.75	54.38	56.71
3942	NASDAQ	OSIS	Wed, Jun 12, 2013	55.82	56.45	54.92	55.11
3941	NASDAQ	OSIS	Tue, Jun 11, 2013	54.52	56.30	54.00	55.65
3940	NASDAQ	OSIS	Mon, Jun 10, 2013	54.23	54.99	54.23	54.93
3939	NASDAQ	OSIS	Fri, Jun 7, 2013	54.10	54.57	53.70	53.90
3938	NASDAQ	OSIS	Thu, Jun 6, 2013	54.25	54.43	53.11	53.92
3937	NASDAQ	OSIS	Wed, Jun 5, 2013	55.78	56.04	54.26	54.43
3936	NASDAQ	OSIS	Tue, Jun 4, 2013	57.87	58.42	55.50	56.10
3935	NASDAQ	OSIS	Mon, Jun 3, 2013	57.93	58.42	57.30	57.97
3934	NASDAQ	OSIS	Fri, May 31, 2013	57.80	58.89	56.95	57.84
3933	NASDAQ	OSIS	Thu, May 30, 2013	57.43	58.49	57.08	58.29
3932	NASDAQ	OSIS	Wed, May 29, 2013	58.96	59.09	56.15	57.38
3931	NASDAQ	OSIS	Tue, May 28, 2013	58.58	59.90	58.04	59.12
3930	NASDAQ	OSIS	Fri, May 24, 2013	57.02	57.86	56.47	57.85
3929	NASDAQ	OSIS	Thu, May 23, 2013	54.11	58.35	53.59	57.50
3928	NASDAQ	OSIS	Wed, May 22, 2013	53.41	55.95	51.31	54.59
3927	NASDAQ	OSIS	Tue, May 21, 2013	61.24	61.30	51.83	53.25
3926	NASDAQ	OSIS	Mon, May 20, 2013	55.00	63.00	55.00	61.30
3925	NASDAQ	OSIS	Fri, May 17, 2013	64.92	66.36	64.64	66.34
3924	NASDAQ	OSIS	Thu, May 16, 2013	63.57	65.15	63.41	64.85
3923	NASDAQ	OSIS	Wed, May 15, 2013	62.00	64.75	62.00	63.93
3922	NASDAQ	OSIS	Tue, May 14, 2013	61.09	62.30	61.00	62.24
3921	NASDAQ	OSIS	Mon, May 13, 2013	60.37	61.14	60.25	60.87
3920	NASDAQ	OSIS	Fri, May 10, 2013	60.13	60.79	60.03	60.60
3919	NASDAQ	OSIS	Thu, May 9, 2013	59.27	60.46	58.96	60.11
3918	NASDAQ	OSIS	Wed, May 8, 2013	58.91	59.33	58.29	59.17
3917	NASDAQ	OSIS	Tue, May 7, 2013	58.30	59.14	58.30	58.91
3916	NASDAQ	OSIS	Mon, May 6, 2013	58.03	58.40	57.50	58.39
3915	NASDAQ	OSIS	Fri, May 3, 2013	57.29	58.44	57.29	57.86
3914	NASDAQ	OSIS	Thu, May 2, 2013	55.53	57.05	55.06	56.57
3913	NASDAQ	OSIS	Wed, May 1, 2013	57.68	57.92	55.13	55.14
3912	NASDAQ	OSIS	Tue, Apr 30, 2013	56.80	57.75	56.15	57.30
3911	NASDAQ	OSIS	Mon, Apr 29, 2013	57.51	58.27	56.81	56.84
3910	NASDAQ	OSIS	Fri, Apr 26, 2013	56.43	57.79	56.43	57.60
3909	NASDAQ	OSIS	Thu, Apr 25, 2013	58.62	59.23	55.42	56.71
3908	NASDAQ	OSIS	Wed, Apr 24, 2013	48.12	59.24	48.10	58.70
3907	NASDAQ	OSIS	Tue, Apr 23, 2013	51.94	53.55	51.77	53.48
3906	NASDAQ	OSIS	Mon, Apr 22, 2013	54.80	54.80	50.81	51.75
3905	NASDAQ	OSIS	Fri, Apr 19, 2013	55.22	55.47	53.81	54.50
3904	NASDAQ	OSIS	Thu, Apr 18, 2013	55.83	55.87	54.87	55.00
3903	NASDAQ	OSIS	Wed, Apr 17, 2013	55.21	55.84	54.31	55.72
3902	NASDAQ	OSIS	Tue, Apr 16, 2013	57.76	57.90	54.92	55.49
3901	NASDAQ	OSIS	Mon, Apr 15, 2013	57.84	58.12	55.86	57.14
3900	NASDAQ	OSIS	Fri, Apr 12, 2013	58.19	58.61	57.10	58.24
3899	NASDAQ	OSIS	Thu, Apr 11, 2013	58.22	59.44	58.12	58.65
3898	NASDAQ	OSIS	Wed, Apr 10, 2013	57.99	58.28	57.68	58.09
3897	NASDAQ	OSIS	Tue, Apr 9, 2013	58.35	58.48	57.94	58.00
3896	NASDAQ	OSIS	Mon, Apr 8, 2013	58.57	59.00	58.12	58.35
3895	NASDAQ	OSIS	Fri, Apr 5, 2013	57.77	58.88	57.63	58.56
3894	NASDAQ	OSIS	Thu, Apr 4, 2013	59.29	60.07	58.60	58.87
3893	NASDAQ	OSIS	Wed, Apr 3, 2013	61.07	61.46	59.26	59.33
3892	NASDAQ	OSIS	Tue, Apr 2, 2013	61.80	61.80	60.82	61.00
3891	NASDAQ	OSIS	Mon, Apr 1, 2013	62.43	62.80	60.90	61.33
3890	NASDAQ	OSIS	Thu, Mar 28, 2013	62.93	62.93	61.65	62.29
3889	NASDAQ	OSIS	Wed, Mar 27, 2013	63.87	63.91	61.35	62.61
3888	NASDAQ	OSIS	Tue, Mar 26, 2013	64.84	65.10	63.81	64.40
3887	NASDAQ	OSIS	Mon, Mar 25, 2013	64.99	66.18	63.59	64.44
3886	NASDAQ	OSIS	Fri, Mar 22, 2013	65.19	65.67	64.55	64.67
3885	NASDAQ	OSIS	Thu, Mar 21, 2013	64.76	65.70	64.76	65.07
3884	NASDAQ	OSIS	Wed, Mar 20, 2013	64.74	65.97	64.62	65.35
3883	NASDAQ	OSIS	Tue, Mar 19, 2013	64.73	64.85	63.54	64.45
3882	NASDAQ	OSIS	Mon, Mar 18, 2013	63.66	64.89	63.66	64.70
3881	NASDAQ	OSIS	Fri, Mar 15, 2013	65.00	65.00	63.71	64.49
3880	NASDAQ	OSIS	Thu, Mar 14, 2013	64.35	65.13	63.66	65.10
3879	NASDAQ	OSIS	Wed, Mar 13, 2013	62.43	64.23	62.34	64.05
3878	NASDAQ	OSIS	Tue, Mar 12, 2013	62.26	62.64	61.45	62.58
3877	NASDAQ	OSIS	Mon, Mar 11, 2013	62.78	62.93	62.37	62.57
3876	NASDAQ	OSIS	Fri, Mar 8, 2013	62.58	63.34	61.69	63.16
3875	NASDAQ	OSIS	Thu, Mar 7, 2013	61.53	62.88	60.70	62.22
3874	NASDAQ	OSIS	Wed, Mar 6, 2013	60.47	61.55	60.19	61.53
3873	NASDAQ	OSIS	Tue, Mar 5, 2013	61.07	61.50	60.25	60.49
3872	NASDAQ	OSIS	Mon, Mar 4, 2013	57.35	61.35	57.35	60.89
3871	NASDAQ	OSIS	Fri, Mar 1, 2013	57.07	58.20	56.81	57.60
3870	NASDAQ	OSIS	Thu, Feb 28, 2013	56.73	57.90	56.73	57.63
3869	NASDAQ	OSIS	Wed, Feb 27, 2013	55.35	56.82	55.35	56.38
3868	NASDAQ	OSIS	Tue, Feb 26, 2013	55.01	55.84	54.73	54.80
3867	NASDAQ	OSIS	Mon, Feb 25, 2013	56.14	56.42	54.87	54.92
3866	NASDAQ	OSIS	Fri, Feb 22, 2013	55.34	56.07	55.20	55.98
3865	NASDAQ	OSIS	Thu, Feb 21, 2013	55.94	55.94	54.72	55.17
3864	NASDAQ	OSIS	Wed, Feb 20, 2013	57.19	57.21	55.82	55.93
3863	NASDAQ	OSIS	Tue, Feb 19, 2013	57.03	57.87	56.71	57.33
3862	NASDAQ	OSIS	Fri, Feb 15, 2013	57.57	57.57	56.70	57.00
3861	NASDAQ	OSIS	Thu, Feb 14, 2013	56.97	57.77	56.97	57.40
3860	NASDAQ	OSIS	Wed, Feb 13, 2013	56.92	57.52	56.17	57.38
3859	NASDAQ	OSIS	Tue, Feb 12, 2013	57.25	57.51	56.36	56.39
3858	NASDAQ	OSIS	Mon, Feb 11, 2013	56.97	57.57	56.87	57.23
3857	NASDAQ	OSIS	Fri, Feb 8, 2013	56.70	57.43	56.17	57.31
3856	NASDAQ	OSIS	Thu, Feb 7, 2013	56.22	56.55	55.50	56.49
3855	NASDAQ	OSIS	Wed, Feb 6, 2013	55.25	56.61	55.21	56.50
3854	NASDAQ	OSIS	Tue, Feb 5, 2013	55.02	55.81	55.02	55.46
3853	NASDAQ	OSIS	Mon, Feb 4, 2013	54.33	55.24	54.27	54.95
3852	NASDAQ	OSIS	Fri, Feb 1, 2013	54.50	54.80	54.00	54.70
3851	NASDAQ	OSIS	Thu, Jan 31, 2013	54.55	54.83	53.14	54.39
3850	NASDAQ	OSIS	Wed, Jan 30, 2013	56.83	56.86	54.05	54.49
3849	NASDAQ	OSIS	Tue, Jan 29, 2013	59.45	59.45	56.75	57.07
3848	NASDAQ	OSIS	Mon, Jan 28, 2013	59.81	60.65	59.39	59.58
3847	NASDAQ	OSIS	Fri, Jan 25, 2013	57.78	60.62	57.30	59.88
3846	NASDAQ	OSIS	Thu, Jan 24, 2013	62.01	64.19	55.53	57.33
3845	NASDAQ	OSIS	Wed, Jan 23, 2013	70.25	72.02	70.10	71.36
3844	NASDAQ	OSIS	Tue, Jan 22, 2013	69.66	70.41	69.57	70.34
3843	NASDAQ	OSIS	Fri, Jan 18, 2013	66.35	71.65	66.34	70.02
3842	NASDAQ	OSIS	Thu, Jan 17, 2013	68.08	69.05	67.45	67.65
3841	NASDAQ	OSIS	Wed, Jan 16, 2013	68.30	68.75	68.00	68.25
3840	NASDAQ	OSIS	Tue, Jan 15, 2013	68.81	69.02	67.98	68.56
3839	NASDAQ	OSIS	Mon, Jan 14, 2013	69.00	70.71	68.88	69.38
3838	NASDAQ	OSIS	Fri, Jan 11, 2013	68.76	69.44	68.34	69.33
3837	NASDAQ	OSIS	Thu, Jan 10, 2013	67.52	68.73	66.82	68.64
3836	NASDAQ	OSIS	Wed, Jan 9, 2013	67.31	68.83	66.73	67.10
3835	NASDAQ	OSIS	Tue, Jan 8, 2013	68.64	69.32	66.48	66.94
3834	NASDAQ	OSIS	Mon, Jan 7, 2013	68.78	69.28	68.12	68.90
3833	NASDAQ	OSIS	Fri, Jan 4, 2013	65.30	70.14	64.84	69.01
3832	NASDAQ	OSIS	Thu, Jan 3, 2013	65.39	65.70	64.48	64.97
3831	NASDAQ	OSIS	Wed, Jan 2, 2013	65.66	65.77	64.63	65.18
3830	NASDAQ	OSIS	Mon, Dec 31, 2012	62.97	64.34	62.32	64.04
3829	NASDAQ	OSIS	Fri, Dec 28, 2012	63.37	63.72	62.56	63.10
3828	NASDAQ	OSIS	Thu, Dec 27, 2012	63.59	64.22	62.04	63.81
3827	NASDAQ	OSIS	Wed, Dec 26, 2012	64.70	64.75	63.00	63.73
3826	NASDAQ	OSIS	Mon, Dec 24, 2012	65.00	65.28	63.86	64.73
3825	NASDAQ	OSIS	Fri, Dec 21, 2012	62.54	66.61	62.54	65.52
3824	NASDAQ	OSIS	Thu, Dec 20, 2012	60.88	63.29	60.63	62.80
3823	NASDAQ	OSIS	Wed, Dec 19, 2012	61.24	61.50	60.04	61.02
3822	NASDAQ	OSIS	Tue, Dec 18, 2012	60.18	61.56	60.15	61.50
3821	NASDAQ	OSIS	Mon, Dec 17, 2012	60.34	60.74	59.86	60.22
3820	NASDAQ	OSIS	Fri, Dec 14, 2012	60.39	60.98	59.92	60.34
3819	NASDAQ	OSIS	Thu, Dec 13, 2012	60.70	61.04	59.79	60.72
3818	NASDAQ	OSIS	Wed, Dec 12, 2012	61.14	61.43	60.40	60.71
3817	NASDAQ	OSIS	Tue, Dec 11, 2012	60.78	61.24	60.20	61.02
3816	NASDAQ	OSIS	Mon, Dec 10, 2012	60.99	60.99	59.49	60.34
3815	NASDAQ	OSIS	Fri, Dec 7, 2012	60.86	61.32	60.30	60.85
3814	NASDAQ	OSIS	Thu, Dec 6, 2012	60.64	61.28	60.01	60.45
3813	NASDAQ	OSIS	Wed, Dec 5, 2012	61.47	61.62	60.39	60.85
3812	NASDAQ	OSIS	Tue, Dec 4, 2012	61.35	61.88	60.55	61.27
3811	NASDAQ	OSIS	Mon, Dec 3, 2012	61.51	61.86	58.06	61.15
3810	NASDAQ	OSIS	Fri, Nov 30, 2012	61.71	61.94	60.14	61.28
3809	NASDAQ	OSIS	Thu, Nov 29, 2012	62.31	62.31	60.85	61.38
3808	NASDAQ	OSIS	Wed, Nov 28, 2012	60.39	61.71	59.32	61.55
3807	NASDAQ	OSIS	Tue, Nov 27, 2012	60.83	61.78	59.42	60.77
3806	NASDAQ	OSIS	Mon, Nov 26, 2012	61.80	63.17	60.03	60.70
3805	NASDAQ	OSIS	Fri, Nov 23, 2012	62.64	63.22	61.74	62.11
3804	NASDAQ	OSIS	Wed, Nov 21, 2012	62.21	62.78	61.68	62.44
3803	NASDAQ	OSIS	Tue, Nov 20, 2012	62.45	63.21	61.35	61.84
3802	NASDAQ	OSIS	Mon, Nov 19, 2012	64.44	64.61	61.84	62.24
3801	NASDAQ	OSIS	Fri, Nov 16, 2012	58.00	64.85	57.75	63.94
3800	NASDAQ	OSIS	Thu, Nov 15, 2012	75.26	75.26	48.51	54.89
3799	NASDAQ	OSIS	Wed, Nov 14, 2012	77.10	77.17	76.00	76.29
3798	NASDAQ	OSIS	Tue, Nov 13, 2012	77.86	78.34	76.68	77.06
3797	NASDAQ	OSIS	Mon, Nov 12, 2012	77.68	79.21	77.65	78.51
3796	NASDAQ	OSIS	Fri, Nov 9, 2012	76.82	78.29	76.80	77.74
3795	NASDAQ	OSIS	Thu, Nov 8, 2012	78.50	79.35	76.55	77.28
3794	NASDAQ	OSIS	Wed, Nov 7, 2012	79.46	79.46	77.19	78.56
3793	NASDAQ	OSIS	Tue, Nov 6, 2012	79.48	80.94	79.48	80.50
3792	NASDAQ	OSIS	Mon, Nov 5, 2012	78.18	80.00	78.02	79.48
3791	NASDAQ	OSIS	Fri, Nov 2, 2012	79.28	80.01	78.23	78.35
3790	NASDAQ	OSIS	Thu, Nov 1, 2012	79.08	79.55	78.68	79.14
3789	NASDAQ	OSIS	Wed, Oct 31, 2012	79.76	80.21	79.01	79.25
3788	NASDAQ	OSIS	Fri, Oct 26, 2012	80.50	81.23	79.65	79.76
3787	NASDAQ	OSIS	Thu, Oct 25, 2012	79.50	80.98	78.93	80.89
3786	NASDAQ	OSIS	Wed, Oct 24, 2012	80.71	80.92	78.50	79.09
3785	NASDAQ	OSIS	Tue, Oct 23, 2012	75.82	79.86	75.63	79.62
3784	NASDAQ	OSIS	Mon, Oct 22, 2012	75.22	77.26	74.63	76.83
3783	NASDAQ	OSIS	Fri, Oct 19, 2012	77.52	77.58	75.20	75.62
3782	NASDAQ	OSIS	Thu, Oct 18, 2012	79.74	79.90	77.82	78.29
3781	NASDAQ	OSIS	Wed, Oct 17, 2012	78.26	79.28	78.14	79.17
3780	NASDAQ	OSIS	Tue, Oct 16, 2012	76.61	78.28	76.53	77.79
3779	NASDAQ	OSIS	Mon, Oct 15, 2012	75.64	76.28	75.25	76.06
3778	NASDAQ	OSIS	Fri, Oct 12, 2012	75.32	76.38	75.10	75.64
3777	NASDAQ	OSIS	Thu, Oct 11, 2012	76.35	77.18	75.29	75.51
3776	NASDAQ	OSIS	Wed, Oct 10, 2012	75.15	75.94	75.07	75.81
3775	NASDAQ	OSIS	Tue, Oct 9, 2012	75.45	75.58	74.65	75.25
3774	NASDAQ	OSIS	Mon, Oct 8, 2012	75.86	75.99	75.22	75.76
3773	NASDAQ	OSIS	Fri, Oct 5, 2012	76.23	77.37	75.69	75.97
3772	NASDAQ	OSIS	Thu, Oct 4, 2012	76.31	76.35	74.39	75.87
3771	NASDAQ	OSIS	Wed, Oct 3, 2012	76.89	76.89	75.76	75.93
3770	NASDAQ	OSIS	Tue, Oct 2, 2012	77.19	77.43	76.27	76.54
3769	NASDAQ	OSIS	Mon, Oct 1, 2012	78.55	78.93	76.47	76.66
3768	NASDAQ	OSIS	Fri, Sep 28, 2012	78.62	78.72	77.77	77.84
3767	NASDAQ	OSIS	Thu, Sep 27, 2012	75.45	78.88	75.21	78.65
3766	NASDAQ	OSIS	Wed, Sep 26, 2012	75.71	76.24	74.12	75.14
3765	NASDAQ	OSIS	Tue, Sep 25, 2012	76.60	77.86	75.43	75.71
3764	NASDAQ	OSIS	Mon, Sep 24, 2012	77.41	77.41	76.15	76.45
3763	NASDAQ	OSIS	Fri, Sep 21, 2012	77.99	78.58	77.00	77.55
3762	NASDAQ	OSIS	Thu, Sep 20, 2012	75.87	77.07	75.40	76.99
3761	NASDAQ	OSIS	Wed, Sep 19, 2012	76.50	77.30	75.76	76.43
3760	NASDAQ	OSIS	Tue, Sep 18, 2012	74.18	76.29	74.18	76.19
3759	NASDAQ	OSIS	Mon, Sep 17, 2012	74.16	74.60	73.27	74.47
3758	NASDAQ	OSIS	Fri, Sep 14, 2012	74.83	75.73	73.95	74.17
3757	NASDAQ	OSIS	Thu, Sep 13, 2012	73.60	74.90	73.20	74.31
3756	NASDAQ	OSIS	Wed, Sep 12, 2012	73.68	74.20	73.07	73.64
3755	NASDAQ	OSIS	Tue, Sep 11, 2012	73.73	73.92	73.04	73.91
3754	NASDAQ	OSIS	Mon, Sep 10, 2012	74.90	75.39	73.84	73.95
3753	NASDAQ	OSIS	Fri, Sep 7, 2012	74.99	75.26	74.06	75.10
3752	NASDAQ	OSIS	Thu, Sep 6, 2012	74.60	74.84	73.48	74.56
3751	NASDAQ	OSIS	Wed, Sep 5, 2012	73.67	75.99	73.11	74.39
3750	NASDAQ	OSIS	Tue, Sep 4, 2012	74.27	74.97	73.00	74.69
3749	NASDAQ	OSIS	Fri, Aug 31, 2012	73.46	74.26	72.76	74.10
3748	NASDAQ	OSIS	Thu, Aug 30, 2012	73.40	73.60	73.08	73.24
3747	NASDAQ	OSIS	Wed, Aug 29, 2012	73.28	73.80	73.01	73.60
3746	NASDAQ	OSIS	Tue, Aug 28, 2012	73.42	73.42	72.90	73.23
3745	NASDAQ	OSIS	Mon, Aug 27, 2012	73.69	73.90	73.12	73.66
3744	NASDAQ	OSIS	Fri, Aug 24, 2012	73.04	73.94	73.04	73.54
3743	NASDAQ	OSIS	Thu, Aug 23, 2012	72.80	73.76	72.80	73.43
3742	NASDAQ	OSIS	Wed, Aug 22, 2012	73.05	73.45	72.87	72.90
3741	NASDAQ	OSIS	Tue, Aug 21, 2012	73.43	74.30	72.81	73.39
3740	NASDAQ	OSIS	Mon, Aug 20, 2012	73.52	73.68	72.01	73.40
3739	NASDAQ	OSIS	Fri, Aug 17, 2012	73.76	74.17	73.39	73.96
3738	NASDAQ	OSIS	Thu, Aug 16, 2012	73.27	74.30	72.43	73.83
3737	NASDAQ	OSIS	Wed, Aug 15, 2012	72.90	75.00	72.64	73.56
3736	NASDAQ	OSIS	Tue, Aug 14, 2012	73.70	74.28	71.38	72.07
3735	NASDAQ	OSIS	Mon, Aug 13, 2012	71.50	73.61	71.17	73.49
3734	NASDAQ	OSIS	Fri, Aug 10, 2012	71.30	72.47	70.36	71.50
3733	NASDAQ	OSIS	Thu, Aug 9, 2012	66.10	71.44	65.59	71.26
3732	NASDAQ	OSIS	Wed, Aug 8, 2012	65.13	65.19	64.34	64.44
3731	NASDAQ	OSIS	Tue, Aug 7, 2012	65.39	65.74	64.98	65.17
3730	NASDAQ	OSIS	Mon, Aug 6, 2012	65.58	65.91	65.06	65.25
3729	NASDAQ	OSIS	Fri, Aug 3, 2012	64.44	65.92	63.55	65.16
3728	NASDAQ	OSIS	Thu, Aug 2, 2012	63.16	63.93	62.50	63.81
3727	NASDAQ	OSIS	Wed, Aug 1, 2012	65.10	65.10	63.10	63.10
3726	NASDAQ	OSIS	Tue, Jul 31, 2012	65.10	65.37	64.30	64.54
3725	NASDAQ	OSIS	Mon, Jul 30, 2012	65.37	65.53	64.52	65.10
3724	NASDAQ	OSIS	Fri, Jul 27, 2012	63.82	65.69	63.18	65.27
3723	NASDAQ	OSIS	Thu, Jul 26, 2012	63.25	63.65	61.65	63.38
3722	NASDAQ	OSIS	Wed, Jul 25, 2012	62.52	63.01	61.75	62.48
3721	NASDAQ	OSIS	Tue, Jul 24, 2012	62.34	62.34	61.23	61.88
3720	NASDAQ	OSIS	Mon, Jul 23, 2012	62.10	62.31	61.52	61.99
3719	NASDAQ	OSIS	Fri, Jul 20, 2012	64.02	64.03	62.67	62.87
3718	NASDAQ	OSIS	Thu, Jul 19, 2012	64.39	64.90	64.03	64.57
3717	NASDAQ	OSIS	Wed, Jul 18, 2012	63.56	64.50	63.44	64.38
3716	NASDAQ	OSIS	Tue, Jul 17, 2012	63.86	64.21	63.30	63.56
3715	NASDAQ	OSIS	Mon, Jul 16, 2012	63.54	63.70	62.64	63.16
3714	NASDAQ	OSIS	Fri, Jul 13, 2012	62.96	64.15	62.68	63.64
3713	NASDAQ	OSIS	Thu, Jul 12, 2012	61.23	62.94	61.01	62.59
3712	NASDAQ	OSIS	Wed, Jul 11, 2012	63.18	63.48	61.27	61.60
3711	NASDAQ	OSIS	Tue, Jul 10, 2012	64.33	64.47	62.97	62.98
3710	NASDAQ	OSIS	Mon, Jul 9, 2012	64.09	65.37	63.82	64.94
3709	NASDAQ	OSIS	Fri, Jul 6, 2012	64.64	65.05	63.62	64.27
3708	NASDAQ	OSIS	Thu, Jul 5, 2012	64.40	65.35	64.18	65.27
3707	NASDAQ	OSIS	Tue, Jul 3, 2012	63.47	65.06	62.87	65.00
3706	NASDAQ	OSIS	Mon, Jul 2, 2012	63.88	63.89	62.52	63.60
3705	NASDAQ	OSIS	Fri, Jun 29, 2012	61.96	63.41	61.58	63.34
3704	NASDAQ	OSIS	Thu, Jun 28, 2012	61.20	61.79	59.64	60.92
3703	NASDAQ	OSIS	Wed, Jun 27, 2012	62.53	62.76	61.32	61.67
3702	NASDAQ	OSIS	Tue, Jun 26, 2012	61.35	62.77	61.14	62.25
3701	NASDAQ	OSIS	Mon, Jun 25, 2012	61.66	62.10	61.20	61.39
3700	NASDAQ	OSIS	Fri, Jun 22, 2012	62.77	63.14	62.24	62.29
3699	NASDAQ	OSIS	Thu, Jun 21, 2012	63.34	63.48	62.30	62.45
3698	NASDAQ	OSIS	Wed, Jun 20, 2012	63.45	64.04	63.11	63.52
3697	NASDAQ	OSIS	Tue, Jun 19, 2012	64.80	64.88	62.97	63.36
3696	NASDAQ	OSIS	Mon, Jun 18, 2012	64.06	65.07	64.00	64.63
3695	NASDAQ	OSIS	Fri, Jun 15, 2012	64.31	65.00	64.26	64.59
3694	NASDAQ	OSIS	Thu, Jun 14, 2012	63.62	64.76	63.62	64.74
3693	NASDAQ	OSIS	Wed, Jun 13, 2012	64.18	65.17	63.50	63.74
3692	NASDAQ	OSIS	Tue, Jun 12, 2012	63.15	64.63	62.93	64.45
3691	NASDAQ	OSIS	Mon, Jun 11, 2012	67.31	67.31	62.89	62.92
3690	NASDAQ	OSIS	Fri, Jun 8, 2012	64.26	67.38	64.26	66.68
3689	NASDAQ	OSIS	Thu, Jun 7, 2012	63.95	64.75	63.50	64.46
3688	NASDAQ	OSIS	Wed, Jun 6, 2012	62.80	63.13	61.97	62.78
3687	NASDAQ	OSIS	Tue, Jun 5, 2012	60.88	62.58	60.43	62.58
3686	NASDAQ	OSIS	Mon, Jun 4, 2012	62.35	62.55	60.60	61.02
3685	NASDAQ	OSIS	Fri, Jun 1, 2012	62.56	63.65	62.11	62.30
3684	NASDAQ	OSIS	Thu, May 31, 2012	64.00	64.14	62.57	63.82
3683	NASDAQ	OSIS	Wed, May 30, 2012	64.21	64.35	63.62	63.70
3682	NASDAQ	OSIS	Tue, May 29, 2012	65.49	65.80	63.20	64.64
3681	NASDAQ	OSIS	Fri, May 25, 2012	64.57	65.76	64.31	65.25
3680	NASDAQ	OSIS	Thu, May 24, 2012	64.77	64.98	63.79	64.64
3679	NASDAQ	OSIS	Wed, May 23, 2012	64.94	65.34	63.46	64.98
3678	NASDAQ	OSIS	Tue, May 22, 2012	64.22	66.44	64.21	65.77
3677	NASDAQ	OSIS	Mon, May 21, 2012	63.61	64.41	62.70	64.29
3676	NASDAQ	OSIS	Fri, May 18, 2012	65.04	65.25	63.10	63.37
3675	NASDAQ	OSIS	Thu, May 17, 2012	66.57	66.62	64.98	65.06
3674	NASDAQ	OSIS	Wed, May 16, 2012	66.95	67.43	66.47	66.66
3673	NASDAQ	OSIS	Tue, May 15, 2012	65.77	67.00	65.34	66.45
3672	NASDAQ	OSIS	Mon, May 14, 2012	65.13	66.15	64.85	65.46
3671	NASDAQ	OSIS	Fri, May 11, 2012	65.91	66.16	65.13	65.66
3670	NASDAQ	OSIS	Thu, May 10, 2012	65.54	66.14	64.89	65.50
3669	NASDAQ	OSIS	Wed, May 9, 2012	64.29	66.00	64.08	65.15
3668	NASDAQ	OSIS	Tue, May 8, 2012	65.27	65.70	64.28	65.00
3667	NASDAQ	OSIS	Mon, May 7, 2012	65.51	66.07	64.07	65.77
3666	NASDAQ	OSIS	Fri, May 4, 2012	66.11	66.29	65.47	65.52
3665	NASDAQ	OSIS	Thu, May 3, 2012	66.81	67.53	65.47	66.73
3664	NASDAQ	OSIS	Wed, May 2, 2012	67.64	67.64	65.88	66.96
3663	NASDAQ	OSIS	Tue, May 1, 2012	67.10	67.89	66.28	66.59
3662	NASDAQ	OSIS	Mon, Apr 30, 2012	67.48	67.65	66.61	66.86
3661	NASDAQ	OSIS	Fri, Apr 27, 2012	65.33	68.00	65.26	67.92
3660	NASDAQ	OSIS	Thu, Apr 26, 2012	62.64	65.33	62.64	64.91
3659	NASDAQ	OSIS	Wed, Apr 25, 2012	62.54	63.46	62.54	62.99
3658	NASDAQ	OSIS	Tue, Apr 24, 2012	62.31	64.89	61.19	61.47
3657	NASDAQ	OSIS	Mon, Apr 23, 2012	60.44	61.95	60.06	61.68
3656	NASDAQ	OSIS	Fri, Apr 20, 2012	62.70	62.70	61.33	61.53
3655	NASDAQ	OSIS	Thu, Apr 19, 2012	62.16	62.51	60.37	61.05
3654	NASDAQ	OSIS	Wed, Apr 18, 2012	61.70	62.38	60.63	62.24
3653	NASDAQ	OSIS	Tue, Apr 17, 2012	61.46	62.83	61.25	61.87
3652	NASDAQ	OSIS	Mon, Apr 16, 2012	60.55	61.00	59.67	60.80
3651	NASDAQ	OSIS	Fri, Apr 13, 2012	59.81	60.53	59.59	60.32
3650	NASDAQ	OSIS	Thu, Apr 12, 2012	59.38	60.91	58.52	60.26
3649	NASDAQ	OSIS	Wed, Apr 11, 2012	57.76	59.50	57.42	59.25
3648	NASDAQ	OSIS	Tue, Apr 10, 2012	59.67	59.67	57.00	57.19
3647	NASDAQ	OSIS	Mon, Apr 9, 2012	59.10	60.34	59.04	59.57
3646	NASDAQ	OSIS	Thu, Apr 5, 2012	59.11	60.66	59.11	60.27
3645	NASDAQ	OSIS	Wed, Apr 4, 2012	60.36	60.48	59.05	59.59
3644	NASDAQ	OSIS	Tue, Apr 3, 2012	61.79	62.39	60.54	61.23
3643	NASDAQ	OSIS	Mon, Apr 2, 2012	61.26	62.61	60.80	61.66
3642	NASDAQ	OSIS	Fri, Mar 30, 2012	62.41	62.41	61.30	61.30
3641	NASDAQ	OSIS	Thu, Mar 29, 2012	61.26	62.16	60.00	61.83
3640	NASDAQ	OSIS	Wed, Mar 28, 2012	62.26	62.55	60.57	61.80
3639	NASDAQ	OSIS	Tue, Mar 27, 2012	63.32	63.40	61.46	62.35
3638	NASDAQ	OSIS	Mon, Mar 26, 2012	62.36	64.08	62.19	63.14
3637	NASDAQ	OSIS	Fri, Mar 23, 2012	61.07	61.92	60.70	61.92
3636	NASDAQ	OSIS	Thu, Mar 22, 2012	61.20	61.33	60.71	61.20
3635	NASDAQ	OSIS	Wed, Mar 21, 2012	61.00	61.68	60.88	61.51
3634	NASDAQ	OSIS	Tue, Mar 20, 2012	60.52	61.05	60.15	61.00
3633	NASDAQ	OSIS	Mon, Mar 19, 2012	60.21	61.33	58.88	60.94
3632	NASDAQ	OSIS	Fri, Mar 16, 2012	61.20	61.20	59.69	60.12
3631	NASDAQ	OSIS	Thu, Mar 15, 2012	61.04	61.37	59.60	61.35
3630	NASDAQ	OSIS	Wed, Mar 14, 2012	61.63	61.86	60.28	60.75
3629	NASDAQ	OSIS	Tue, Mar 13, 2012	61.15	61.99	60.67	61.50
3628	NASDAQ	OSIS	Mon, Mar 12, 2012	60.83	61.40	59.87	60.85
3627	NASDAQ	OSIS	Fri, Mar 9, 2012	60.12	61.87	60.12	61.00
3626	NASDAQ	OSIS	Thu, Mar 8, 2012	58.57	60.22	58.38	60.14
3625	NASDAQ	OSIS	Wed, Mar 7, 2012	59.67	59.67	58.13	58.38
3624	NASDAQ	OSIS	Tue, Mar 6, 2012	59.12	59.40	58.32	59.29
3623	NASDAQ	OSIS	Mon, Mar 5, 2012	58.90	59.88	58.65	59.83
3622	NASDAQ	OSIS	Fri, Mar 2, 2012	58.67	59.63	58.17	59.06
3621	NASDAQ	OSIS	Thu, Mar 1, 2012	59.51	59.51	57.42	58.50
3620	NASDAQ	OSIS	Wed, Feb 29, 2012	59.75	59.99	58.86	59.00
3619	NASDAQ	OSIS	Tue, Feb 28, 2012	59.76	60.33	58.62	59.35
3618	NASDAQ	OSIS	Mon, Feb 27, 2012	54.15	59.88	54.15	59.81
3617	NASDAQ	OSIS	Fri, Feb 24, 2012	53.87	53.87	52.96	53.58
3616	NASDAQ	OSIS	Thu, Feb 23, 2012	52.56	53.96	52.37	53.86
3615	NASDAQ	OSIS	Wed, Feb 22, 2012	52.51	52.93	52.25	52.59
3614	NASDAQ	OSIS	Tue, Feb 21, 2012	53.21	53.60	52.66	52.73
3613	NASDAQ	OSIS	Fri, Feb 17, 2012	53.76	54.48	53.02	53.17
3612	NASDAQ	OSIS	Thu, Feb 16, 2012	52.47	54.07	52.47	53.50
3611	NASDAQ	OSIS	Wed, Feb 15, 2012	53.76	54.51	52.29	52.46
3610	NASDAQ	OSIS	Tue, Feb 14, 2012	53.22	53.66	52.97	53.48
3609	NASDAQ	OSIS	Mon, Feb 13, 2012	53.24	53.96	52.73	53.80
3608	NASDAQ	OSIS	Fri, Feb 10, 2012	52.81	53.08	51.99	52.64
3607	NASDAQ	OSIS	Thu, Feb 9, 2012	54.97	54.97	53.31	53.35
3606	NASDAQ	OSIS	Wed, Feb 8, 2012	54.78	55.23	54.10	54.72
3605	NASDAQ	OSIS	Tue, Feb 7, 2012	55.50	55.61	54.16	54.44
3604	NASDAQ	OSIS	Mon, Feb 6, 2012	56.32	56.90	55.35	55.56
3603	NASDAQ	OSIS	Fri, Feb 3, 2012	56.30	57.00	55.60	56.83
3602	NASDAQ	OSIS	Thu, Feb 2, 2012	55.19	55.83	55.01	55.23
3601	NASDAQ	OSIS	Wed, Feb 1, 2012	53.93	55.19	53.76	55.08
3600	NASDAQ	OSIS	Tue, Jan 31, 2012	54.07	54.44	53.23	53.73
3599	NASDAQ	OSIS	Mon, Jan 30, 2012	53.83	54.08	53.37	53.49
3598	NASDAQ	OSIS	Fri, Jan 27, 2012	54.42	54.63	54.27	54.31
3597	NASDAQ	OSIS	Thu, Jan 26, 2012	56.20	56.20	53.76	54.42
3596	NASDAQ	OSIS	Wed, Jan 25, 2012	56.70	57.51	55.56	56.22
3595	NASDAQ	OSIS	Tue, Jan 24, 2012	54.90	56.62	54.06	56.46
3594	NASDAQ	OSIS	Mon, Jan 23, 2012	56.15	56.15	52.84	53.11
3593	NASDAQ	OSIS	Fri, Jan 20, 2012	55.01	56.50	54.87	55.91
3592	NASDAQ	OSIS	Thu, Jan 19, 2012	54.65	55.66	54.54	55.05
3591	NASDAQ	OSIS	Wed, Jan 18, 2012	52.00	54.26	52.00	54.17
3590	NASDAQ	OSIS	Tue, Jan 17, 2012	50.69	50.95	50.16	50.50
3589	NASDAQ	OSIS	Fri, Jan 13, 2012	49.57	50.40	49.30	50.32
3588	NASDAQ	OSIS	Thu, Jan 12, 2012	50.79	50.94	50.00	50.26
3587	NASDAQ	OSIS	Wed, Jan 11, 2012	50.37	51.05	50.37	50.66
3586	NASDAQ	OSIS	Tue, Jan 10, 2012	51.01	51.01	50.42	50.66
3585	NASDAQ	OSIS	Mon, Jan 9, 2012	50.26	51.06	50.01	50.41
3584	NASDAQ	OSIS	Fri, Jan 6, 2012	49.70	50.56	49.49	49.87
3583	NASDAQ	OSIS	Thu, Jan 5, 2012	49.52	50.40	49.05	49.87
3582	NASDAQ	OSIS	Wed, Jan 4, 2012	49.07	50.03	48.27	49.75
3581	NASDAQ	OSIS	Tue, Jan 3, 2012	50.00	50.50	48.76	49.46
3580	NASDAQ	OSIS	Fri, Dec 30, 2011	49.04	49.32	48.75	48.78
3579	NASDAQ	OSIS	Thu, Dec 29, 2011	49.18	49.89	48.52	49.00
3578	NASDAQ	OSIS	Wed, Dec 28, 2011	48.62	49.41	48.50	49.06
3577	NASDAQ	OSIS	Tue, Dec 27, 2011	48.32	49.37	47.70	48.73
3576	NASDAQ	OSIS	Fri, Dec 23, 2011	48.21	48.89	48.02	48.52
3575	NASDAQ	OSIS	Thu, Dec 22, 2011	48.49	48.99	47.76	48.15
3574	NASDAQ	OSIS	Wed, Dec 21, 2011	48.36	48.60	47.39	48.41
3573	NASDAQ	OSIS	Tue, Dec 20, 2011	46.28	48.41	46.04	48.30
3572	NASDAQ	OSIS	Mon, Dec 19, 2011	46.36	47.15	45.25	45.33
3571	NASDAQ	OSIS	Fri, Dec 16, 2011	46.72	47.27	45.59	46.10
3570	NASDAQ	OSIS	Thu, Dec 15, 2011	45.78	46.50	44.95	46.19
3569	NASDAQ	OSIS	Wed, Dec 14, 2011	44.90	46.09	44.90	45.14
3568	NASDAQ	OSIS	Tue, Dec 13, 2011	47.81	48.34	45.01	45.08
3567	NASDAQ	OSIS	Mon, Dec 12, 2011	46.71	47.53	46.50	47.52
3566	NASDAQ	OSIS	Fri, Dec 9, 2011	45.72	47.56	45.72	47.36
3565	NASDAQ	OSIS	Thu, Dec 8, 2011	47.29	47.92	45.67	45.72
3564	NASDAQ	OSIS	Wed, Dec 7, 2011	47.41	47.92	46.55	47.83
3563	NASDAQ	OSIS	Tue, Dec 6, 2011	47.74	48.05	46.97	47.65
3562	NASDAQ	OSIS	Mon, Dec 5, 2011	47.98	48.25	47.46	47.85
3561	NASDAQ	OSIS	Fri, Dec 2, 2011	49.04	49.04	46.00	47.27
3560	NASDAQ	OSIS	Thu, Dec 1, 2011	47.49	48.00	46.54	46.56
3559	NASDAQ	OSIS	Wed, Nov 30, 2011	46.61	47.83	45.90	47.81
3558	NASDAQ	OSIS	Tue, Nov 29, 2011	44.76	45.06	44.41	44.98
3557	NASDAQ	OSIS	Mon, Nov 28, 2011	43.95	44.81	43.88	44.80
3556	NASDAQ	OSIS	Fri, Nov 25, 2011	42.51	43.15	42.20	42.51
3555	NASDAQ	OSIS	Wed, Nov 23, 2011	43.89	43.89	42.60	42.80
3554	NASDAQ	OSIS	Tue, Nov 22, 2011	43.65	45.02	43.63	44.33
3553	NASDAQ	OSIS	Mon, Nov 21, 2011	44.01	44.40	43.36	43.68
3552	NASDAQ	OSIS	Fri, Nov 18, 2011	44.12	45.44	43.64	44.83
3551	NASDAQ	OSIS	Thu, Nov 17, 2011	44.20	44.64	43.14	44.17
3550	NASDAQ	OSIS	Wed, Nov 16, 2011	45.92	46.43	44.11	44.38
3549	NASDAQ	OSIS	Tue, Nov 15, 2011	45.56	46.82	45.56	46.54
3548	NASDAQ	OSIS	Mon, Nov 14, 2011	46.07	46.64	45.66	45.95
3547	NASDAQ	OSIS	Fri, Nov 11, 2011	46.32	46.86	45.86	46.38
3546	NASDAQ	OSIS	Thu, Nov 10, 2011	45.10	46.88	44.42	46.00
3545	NASDAQ	OSIS	Wed, Nov 9, 2011	45.62	45.95	44.23	44.39
3544	NASDAQ	OSIS	Tue, Nov 8, 2011	47.01	47.39	45.82	46.87
3543	NASDAQ	OSIS	Mon, Nov 7, 2011	45.36	46.97	45.03	46.77
3542	NASDAQ	OSIS	Fri, Nov 4, 2011	44.65	45.68	44.52	45.58
3541	NASDAQ	OSIS	Thu, Nov 3, 2011	43.84	45.30	43.05	45.20
3540	NASDAQ	OSIS	Wed, Nov 2, 2011	43.10	43.83	42.31	43.44
3539	NASDAQ	OSIS	Tue, Nov 1, 2011	41.51	43.00	41.04	42.45
3538	NASDAQ	OSIS	Mon, Oct 31, 2011	43.94	44.81	43.73	44.30
3537	NASDAQ	OSIS	Fri, Oct 28, 2011	44.98	45.44	44.41	44.72
3536	NASDAQ	OSIS	Thu, Oct 27, 2011	44.24	45.57	43.77	45.30
3535	NASDAQ	OSIS	Wed, Oct 26, 2011	42.21	42.96	40.77	42.75
3534	NASDAQ	OSIS	Tue, Oct 25, 2011	43.55	44.27	41.41	41.83
3533	NASDAQ	OSIS	Mon, Oct 24, 2011	42.39	44.08	42.24	43.51
3532	NASDAQ	OSIS	Fri, Oct 21, 2011	42.03	42.45	41.66	42.30
3531	NASDAQ	OSIS	Thu, Oct 20, 2011	40.66	41.56	40.01	41.34
3530	NASDAQ	OSIS	Wed, Oct 19, 2011	42.54	43.34	40.52	40.73
3529	NASDAQ	OSIS	Tue, Oct 18, 2011	40.64	42.80	40.21	42.49
3528	NASDAQ	OSIS	Mon, Oct 17, 2011	41.33	41.48	40.17	40.34
3527	NASDAQ	OSIS	Fri, Oct 14, 2011	41.36	41.57	40.56	41.51
3526	NASDAQ	OSIS	Thu, Oct 13, 2011	40.14	41.00	39.61	40.73
3525	NASDAQ	OSIS	Wed, Oct 12, 2011	39.34	40.50	39.20	40.27
3524	NASDAQ	OSIS	Tue, Oct 11, 2011	39.04	39.35	38.64	39.17
3523	NASDAQ	OSIS	Mon, Oct 10, 2011	37.44	39.25	37.44	39.20
3522	NASDAQ	OSIS	Fri, Oct 7, 2011	37.39	37.75	36.61	36.87
3521	NASDAQ	OSIS	Thu, Oct 6, 2011	35.80	37.35	35.80	37.27
3520	NASDAQ	OSIS	Wed, Oct 5, 2011	35.09	36.01	34.82	35.82
3519	NASDAQ	OSIS	Tue, Oct 4, 2011	31.60	35.32	31.00	35.17
3518	NASDAQ	OSIS	Mon, Oct 3, 2011	33.55	34.59	31.78	31.78
3517	NASDAQ	OSIS	Fri, Sep 30, 2011	34.08	34.90	33.51	33.52
3516	NASDAQ	OSIS	Thu, Sep 29, 2011	34.62	34.92	33.12	34.40
3515	NASDAQ	OSIS	Wed, Sep 28, 2011	35.05	35.16	33.84	33.88
3514	NASDAQ	OSIS	Tue, Sep 27, 2011	34.49	35.95	34.14	34.99
3513	NASDAQ	OSIS	Mon, Sep 26, 2011	33.73	34.41	32.48	33.72
3512	NASDAQ	OSIS	Fri, Sep 23, 2011	32.93	33.51	32.46	33.37
3511	NASDAQ	OSIS	Thu, Sep 22, 2011	32.86	33.69	32.49	32.94
3510	NASDAQ	OSIS	Wed, Sep 21, 2011	36.22	36.22	33.75	33.89
3509	NASDAQ	OSIS	Tue, Sep 20, 2011	37.57	37.64	35.90	36.35
3508	NASDAQ	OSIS	Mon, Sep 19, 2011	34.99	38.51	34.92	37.54
3507	NASDAQ	OSIS	Fri, Sep 16, 2011	36.04	36.16	35.32	35.54
3506	NASDAQ	OSIS	Thu, Sep 15, 2011	36.12	36.12	35.10	35.86
3505	NASDAQ	OSIS	Wed, Sep 14, 2011	35.37	36.15	34.94	35.71
3504	NASDAQ	OSIS	Tue, Sep 13, 2011	34.57	35.25	34.16	35.16
3503	NASDAQ	OSIS	Mon, Sep 12, 2011	33.24	34.63	32.93	34.56
3502	NASDAQ	OSIS	Fri, Sep 9, 2011	34.83	35.06	33.51	33.62
3501	NASDAQ	OSIS	Thu, Sep 8, 2011	35.99	36.25	34.80	35.12
3500	NASDAQ	OSIS	Wed, Sep 7, 2011	36.38	36.61	36.00	36.09
3499	NASDAQ	OSIS	Tue, Sep 6, 2011	35.32	36.09	35.29	35.72
3498	NASDAQ	OSIS	Fri, Sep 2, 2011	37.91	38.51	36.42	36.43
3497	NASDAQ	OSIS	Thu, Sep 1, 2011	38.81	39.69	38.43	38.79
3496	NASDAQ	OSIS	Wed, Aug 31, 2011	39.48	39.72	38.49	38.88
3495	NASDAQ	OSIS	Tue, Aug 30, 2011	39.15	39.86	38.64	39.41
3494	NASDAQ	OSIS	Mon, Aug 29, 2011	38.09	39.35	37.90	39.32
3493	NASDAQ	OSIS	Fri, Aug 26, 2011	36.22	37.95	35.54	37.63
3492	NASDAQ	OSIS	Thu, Aug 25, 2011	36.55	36.74	34.25	36.40
3491	NASDAQ	OSIS	Wed, Aug 24, 2011	36.23	36.78	35.76	36.25
3490	NASDAQ	OSIS	Tue, Aug 23, 2011	33.74	36.35	33.71	36.33
3489	NASDAQ	OSIS	Mon, Aug 22, 2011	35.12	35.88	33.49	33.68
3488	NASDAQ	OSIS	Fri, Aug 19, 2011	33.39	34.94	33.33	34.20
3487	NASDAQ	OSIS	Thu, Aug 18, 2011	34.62	35.08	33.52	34.00
3486	NASDAQ	OSIS	Wed, Aug 17, 2011	36.21	36.54	35.45	35.64
3485	NASDAQ	OSIS	Tue, Aug 16, 2011	36.77	37.21	36.14	36.23
3484	NASDAQ	OSIS	Mon, Aug 15, 2011	36.47	37.32	36.09	37.31
3483	NASDAQ	OSIS	Fri, Aug 12, 2011	36.44	37.10	35.64	36.28
3482	NASDAQ	OSIS	Thu, Aug 11, 2011	34.33	36.76	34.15	36.11
3481	NASDAQ	OSIS	Wed, Aug 10, 2011	34.12	35.33	33.82	34.18
3480	NASDAQ	OSIS	Tue, Aug 9, 2011	33.33	35.11	31.92	35.01
3479	NASDAQ	OSIS	Mon, Aug 8, 2011	35.28	37.37	32.79	32.89
3478	NASDAQ	OSIS	Fri, Aug 5, 2011	36.85	37.43	35.30	36.47
3477	NASDAQ	OSIS	Thu, Aug 4, 2011	38.41	38.94	36.73	36.76
3476	NASDAQ	OSIS	Wed, Aug 3, 2011	38.52	39.14	37.50	38.99
3475	NASDAQ	OSIS	Tue, Aug 2, 2011	39.84	40.74	38.38	38.47
3474	NASDAQ	OSIS	Mon, Aug 1, 2011	42.32	42.40	39.27	40.15
3473	NASDAQ	OSIS	Fri, Jul 29, 2011	41.71	41.76	40.86	41.29
3472	NASDAQ	OSIS	Thu, Jul 28, 2011	41.89	42.42	41.41	41.90
3471	NASDAQ	OSIS	Wed, Jul 27, 2011	43.27	43.38	41.27	41.69
3470	NASDAQ	OSIS	Tue, Jul 26, 2011	43.95	44.02	43.55	43.60
3469	NASDAQ	OSIS	Mon, Jul 25, 2011	44.17	44.43	43.77	43.97
3468	NASDAQ	OSIS	Fri, Jul 22, 2011	44.52	45.28	44.22	44.67
3467	NASDAQ	OSIS	Thu, Jul 21, 2011	43.90	44.59	43.51	44.39
3466	NASDAQ	OSIS	Wed, Jul 20, 2011	43.75	43.95	43.32	43.86
3465	NASDAQ	OSIS	Tue, Jul 19, 2011	42.98	43.81	42.98	43.75
3464	NASDAQ	OSIS	Mon, Jul 18, 2011	42.93	42.95	42.17	42.85
3463	NASDAQ	OSIS	Fri, Jul 15, 2011	43.00	43.59	39.91	43.12
3462	NASDAQ	OSIS	Thu, Jul 14, 2011	43.96	44.48	42.82	42.86
3461	NASDAQ	OSIS	Wed, Jul 13, 2011	43.12	44.04	42.95	43.93
3460	NASDAQ	OSIS	Tue, Jul 12, 2011	43.01	43.91	42.82	42.96
3459	NASDAQ	OSIS	Mon, Jul 11, 2011	43.17	44.08	43.07	43.30
3458	NASDAQ	OSIS	Fri, Jul 8, 2011	42.83	43.86	42.83	43.84
3457	NASDAQ	OSIS	Thu, Jul 7, 2011	43.58	44.35	43.32	43.53
3456	NASDAQ	OSIS	Wed, Jul 6, 2011	43.12	43.50	42.92	43.40
3455	NASDAQ	OSIS	Tue, Jul 5, 2011	43.18	43.26	42.91	43.22
3454	NASDAQ	OSIS	Fri, Jul 1, 2011	43.09	43.56	42.97	43.18
3453	NASDAQ	OSIS	Thu, Jun 30, 2011	42.09	43.18	42.09	43.00
3452	NASDAQ	OSIS	Wed, Jun 29, 2011	42.20	42.23	41.74	41.78
3451	NASDAQ	OSIS	Tue, Jun 28, 2011	42.11	42.31	41.77	42.06
3450	NASDAQ	OSIS	Mon, Jun 27, 2011	41.33	42.69	41.09	42.17
3449	NASDAQ	OSIS	Fri, Jun 24, 2011	41.74	42.28	40.89	41.27
3448	NASDAQ	OSIS	Thu, Jun 23, 2011	40.00	41.96	39.81	41.68
3447	NASDAQ	OSIS	Wed, Jun 22, 2011	41.11	41.65	40.51	40.53
3446	NASDAQ	OSIS	Tue, Jun 21, 2011	39.80	41.50	39.67	41.46
3445	NASDAQ	OSIS	Mon, Jun 20, 2011	39.65	39.83	39.47	39.69
3444	NASDAQ	OSIS	Fri, Jun 17, 2011	39.43	39.80	39.33	39.68
3443	NASDAQ	OSIS	Thu, Jun 16, 2011	38.69	39.29	38.35	39.29
3442	NASDAQ	OSIS	Wed, Jun 15, 2011	38.40	39.13	38.17	38.51
3441	NASDAQ	OSIS	Tue, Jun 14, 2011	38.75	38.75	38.32	38.52
3440	NASDAQ	OSIS	Mon, Jun 13, 2011	38.20	38.75	38.20	38.32
3439	NASDAQ	OSIS	Fri, Jun 10, 2011	38.80	39.10	38.04	38.15
3438	NASDAQ	OSIS	Thu, Jun 9, 2011	39.50	39.55	38.98	39.07
3437	NASDAQ	OSIS	Wed, Jun 8, 2011	39.46	39.60	38.83	39.39
3436	NASDAQ	OSIS	Tue, Jun 7, 2011	39.72	40.03	39.24	39.63
3435	NASDAQ	OSIS	Mon, Jun 6, 2011	39.53	40.05	39.18	39.52
3434	NASDAQ	OSIS	Fri, Jun 3, 2011	39.06	39.94	39.06	39.58
3433	NASDAQ	OSIS	Thu, Jun 2, 2011	39.75	40.02	39.37	39.72
3432	NASDAQ	OSIS	Wed, Jun 1, 2011	39.95	40.10	39.43	39.63
3431	NASDAQ	OSIS	Tue, May 31, 2011	39.31	40.03	39.10	39.98
3430	NASDAQ	OSIS	Fri, May 27, 2011	39.04	39.18	38.79	39.11
3429	NASDAQ	OSIS	Thu, May 26, 2011	38.25	39.07	38.25	39.07
3428	NASDAQ	OSIS	Wed, May 25, 2011	37.51	38.51	37.51	38.28
3427	NASDAQ	OSIS	Tue, May 24, 2011	38.30	38.49	37.74	37.75
3426	NASDAQ	OSIS	Mon, May 23, 2011	38.53	38.93	38.15	38.30
3425	NASDAQ	OSIS	Fri, May 20, 2011	39.30	39.64	38.93	39.18
3424	NASDAQ	OSIS	Thu, May 19, 2011	39.68	39.98	39.09	39.48
3423	NASDAQ	OSIS	Wed, May 18, 2011	40.40	40.40	39.33	39.76
3422	NASDAQ	OSIS	Tue, May 17, 2011	39.75	40.43	39.52	40.32
3421	NASDAQ	OSIS	Mon, May 16, 2011	39.96	40.27	39.71	39.90
3420	NASDAQ	OSIS	Fri, May 13, 2011	40.17	40.62	39.87	40.09
3419	NASDAQ	OSIS	Thu, May 12, 2011	39.14	40.65	38.91	40.22
3418	NASDAQ	OSIS	Wed, May 11, 2011	39.56	39.96	39.32	39.39
3417	NASDAQ	OSIS	Tue, May 10, 2011	38.25	40.00	37.99	39.84
3416	NASDAQ	OSIS	Mon, May 9, 2011	37.56	38.18	37.56	38.14
3415	NASDAQ	OSIS	Fri, May 6, 2011	37.89	38.04	37.50	37.63
3414	NASDAQ	OSIS	Thu, May 5, 2011	36.21	38.07	35.75	37.57
3413	NASDAQ	OSIS	Wed, May 4, 2011	37.41	37.41	35.76	36.51
3412	NASDAQ	OSIS	Tue, May 3, 2011	38.23	38.45	37.31	37.43
3411	NASDAQ	OSIS	Mon, May 2, 2011	38.10	38.86	37.54	38.26
3410	NASDAQ	OSIS	Fri, Apr 29, 2011	38.41	38.57	38.20	38.39
3409	NASDAQ	OSIS	Thu, Apr 28, 2011	38.06	38.71	38.06	38.40
3408	NASDAQ	OSIS	Wed, Apr 27, 2011	37.54	38.25	37.10	38.23
3407	NASDAQ	OSIS	Tue, Apr 26, 2011	38.00	38.67	37.31	37.53
3406	NASDAQ	OSIS	Mon, Apr 25, 2011	36.54	36.96	36.14	36.77
3405	NASDAQ	OSIS	Thu, Apr 21, 2011	36.59	37.00	36.24	36.72
3404	NASDAQ	OSIS	Wed, Apr 20, 2011	34.79	36.52	34.79	36.45
3403	NASDAQ	OSIS	Tue, Apr 19, 2011	35.62	35.85	34.08	34.25
3402	NASDAQ	OSIS	Mon, Apr 18, 2011	36.16	36.44	35.29	35.63
3401	NASDAQ	OSIS	Fri, Apr 15, 2011	36.01	36.70	35.90	36.58
3400	NASDAQ	OSIS	Thu, Apr 14, 2011	35.84	36.33	35.80	36.15
3399	NASDAQ	OSIS	Wed, Apr 13, 2011	36.73	36.83	35.75	36.10
3398	NASDAQ	OSIS	Tue, Apr 12, 2011	36.53	36.96	36.10	36.51
3397	NASDAQ	OSIS	Mon, Apr 11, 2011	37.88	38.52	36.38	36.79
3396	NASDAQ	OSIS	Fri, Apr 8, 2011	39.22	39.22	37.05	37.95
3395	NASDAQ	OSIS	Thu, Apr 7, 2011	39.19	39.46	38.81	38.99
3394	NASDAQ	OSIS	Wed, Apr 6, 2011	39.09	39.40	38.87	39.14
3393	NASDAQ	OSIS	Tue, Apr 5, 2011	38.50	39.48	38.33	38.93
3392	NASDAQ	OSIS	Mon, Apr 4, 2011	38.22	38.49	37.98	38.47
3391	NASDAQ	OSIS	Fri, Apr 1, 2011	37.67	38.23	37.28	38.08
3390	NASDAQ	OSIS	Thu, Mar 31, 2011	36.63	37.63	36.40	37.53
3389	NASDAQ	OSIS	Wed, Mar 30, 2011	36.65	37.34	36.19	36.61
3388	NASDAQ	OSIS	Tue, Mar 29, 2011	36.24	36.60	35.86	36.59
3387	NASDAQ	OSIS	Mon, Mar 28, 2011	36.63	37.02	36.01	36.37
3386	NASDAQ	OSIS	Fri, Mar 25, 2011	37.22	38.05	37.22	37.42
3385	NASDAQ	OSIS	Thu, Mar 24, 2011	37.20	37.49	36.51	37.20
3384	NASDAQ	OSIS	Wed, Mar 23, 2011	36.95	37.37	36.58	37.03
3383	NASDAQ	OSIS	Tue, Mar 22, 2011	36.63	37.22	36.40	37.08
3382	NASDAQ	OSIS	Mon, Mar 21, 2011	36.54	37.18	36.54	36.78
3381	NASDAQ	OSIS	Fri, Mar 18, 2011	36.00	36.36	35.60	36.36
3380	NASDAQ	OSIS	Thu, Mar 17, 2011	37.03	37.36	35.64	35.96
3379	NASDAQ	OSIS	Wed, Mar 16, 2011	37.85	38.27	36.64	36.68
3378	NASDAQ	OSIS	Tue, Mar 15, 2011	37.97	38.35	37.31	38.03
3377	NASDAQ	OSIS	Mon, Mar 14, 2011	37.09	37.67	36.49	37.03
3376	NASDAQ	OSIS	Fri, Mar 11, 2011	37.51	37.97	37.03	37.54
3375	NASDAQ	OSIS	Thu, Mar 10, 2011	37.81	38.09	37.45	37.73
3374	NASDAQ	OSIS	Wed, Mar 9, 2011	38.12	38.56	37.82	38.24
3373	NASDAQ	OSIS	Tue, Mar 8, 2011	38.42	38.99	38.03	38.12
3372	NASDAQ	OSIS	Mon, Mar 7, 2011	39.09	39.09	38.09	38.40
3371	NASDAQ	OSIS	Fri, Mar 4, 2011	38.54	38.94	38.43	38.94
3370	NASDAQ	OSIS	Thu, Mar 3, 2011	37.83	39.09	37.83	38.57
3369	NASDAQ	OSIS	Wed, Mar 2, 2011	37.48	37.88	37.16	37.73
3368	NASDAQ	OSIS	Tue, Mar 1, 2011	37.57	38.09	37.13	37.67
3367	NASDAQ	OSIS	Mon, Feb 28, 2011	37.95	38.38	37.24	37.62
3366	NASDAQ	OSIS	Fri, Feb 25, 2011	37.26	38.02	37.03	37.88
3365	NASDAQ	OSIS	Thu, Feb 24, 2011	38.76	38.76	37.03	37.31
3364	NASDAQ	OSIS	Wed, Feb 23, 2011	39.17	39.88	38.72	38.76
3363	NASDAQ	OSIS	Tue, Feb 22, 2011	38.96	39.56	38.96	39.28
3362	NASDAQ	OSIS	Fri, Feb 18, 2011	39.58	39.78	39.31	39.41
3361	NASDAQ	OSIS	Thu, Feb 17, 2011	39.37	39.73	39.29	39.35
3360	NASDAQ	OSIS	Wed, Feb 16, 2011	39.85	39.85	38.99	39.50
3359	NASDAQ	OSIS	Tue, Feb 15, 2011	38.44	39.99	38.42	39.63
3358	NASDAQ	OSIS	Mon, Feb 14, 2011	38.59	38.65	38.21	38.60
3357	NASDAQ	OSIS	Fri, Feb 11, 2011	37.94	38.85	37.94	38.64
3356	NASDAQ	OSIS	Thu, Feb 10, 2011	37.69	38.39	37.69	38.15
3355	NASDAQ	OSIS	Wed, Feb 9, 2011	38.08	38.50	37.75	37.92
3354	NASDAQ	OSIS	Tue, Feb 8, 2011	38.32	38.58	38.05	38.20
3353	NASDAQ	OSIS	Mon, Feb 7, 2011	38.05	39.10	38.05	38.53
3352	NASDAQ	OSIS	Fri, Feb 4, 2011	38.40	38.40	37.42	37.95
3351	NASDAQ	OSIS	Thu, Feb 3, 2011	38.22	38.97	38.10	38.49
3350	NASDAQ	OSIS	Wed, Feb 2, 2011	38.32	39.48	38.22	38.39
3349	NASDAQ	OSIS	Tue, Feb 1, 2011	37.99	38.96	37.78	38.53
3348	NASDAQ	OSIS	Mon, Jan 31, 2011	37.21	37.99	36.53	37.99
3347	NASDAQ	OSIS	Fri, Jan 28, 2011	38.05	38.13	36.97	37.27
3346	NASDAQ	OSIS	Thu, Jan 27, 2011	38.05	38.40	37.97	38.00
3345	NASDAQ	OSIS	Wed, Jan 26, 2011	37.50	38.14	37.18	37.85
3344	NASDAQ	OSIS	Tue, Jan 25, 2011	37.17	37.41	35.62	37.25
3343	NASDAQ	OSIS	Mon, Jan 24, 2011	34.74	36.74	34.72	35.95
3342	NASDAQ	OSIS	Fri, Jan 21, 2011	33.99	34.87	33.99	34.86
3341	NASDAQ	OSIS	Thu, Jan 20, 2011	33.67	33.93	33.33	33.78
3340	NASDAQ	OSIS	Wed, Jan 19, 2011	34.86	34.90	33.58	33.66
3339	NASDAQ	OSIS	Tue, Jan 18, 2011	34.91	35.07	34.67	34.82
3338	NASDAQ	OSIS	Fri, Jan 14, 2011	35.10	35.12	34.58	34.91
3337	NASDAQ	OSIS	Thu, Jan 13, 2011	35.13	35.23	34.82	35.01
3336	NASDAQ	OSIS	Wed, Jan 12, 2011	36.28	36.89	34.47	35.09
3335	NASDAQ	OSIS	Tue, Jan 11, 2011	36.35	36.71	36.10	36.21
3334	NASDAQ	OSIS	Mon, Jan 10, 2011	35.95	36.37	35.76	36.33
3333	NASDAQ	OSIS	Fri, Jan 7, 2011	36.70	36.70	35.67	36.18
3332	NASDAQ	OSIS	Thu, Jan 6, 2011	36.77	37.34	36.09	36.57
3331	NASDAQ	OSIS	Wed, Jan 5, 2011	35.83	36.98	35.32	36.83
3330	NASDAQ	OSIS	Tue, Jan 4, 2011	36.38	36.39	35.22	36.00
3329	NASDAQ	OSIS	Mon, Jan 3, 2011	36.49	37.39	36.12	36.37
3328	NASDAQ	OSIS	Fri, Dec 31, 2010	36.62	37.07	36.36	36.36
3327	NASDAQ	OSIS	Thu, Dec 30, 2010	36.94	37.05	36.57	36.57
3326	NASDAQ	OSIS	Wed, Dec 29, 2010	36.96	37.14	36.38	37.02
3325	NASDAQ	OSIS	Tue, Dec 28, 2010	36.99	37.37	36.27	36.79
3324	NASDAQ	OSIS	Mon, Dec 27, 2010	36.52	37.09	36.26	36.98
3323	NASDAQ	OSIS	Thu, Dec 23, 2010	36.37	36.99	36.00	36.57
3322	NASDAQ	OSIS	Wed, Dec 22, 2010	36.55	37.04	36.18	36.45
3321	NASDAQ	OSIS	Tue, Dec 21, 2010	36.21	36.84	36.01	36.57
3320	NASDAQ	OSIS	Mon, Dec 20, 2010	36.30	36.50	36.08	36.19
3319	NASDAQ	OSIS	Fri, Dec 17, 2010	36.21	36.27	35.46	36.26
3318	NASDAQ	OSIS	Thu, Dec 16, 2010	35.83	36.33	35.40	36.27
3317	NASDAQ	OSIS	Wed, Dec 15, 2010	35.20	36.27	34.96	35.66
3316	NASDAQ	OSIS	Tue, Dec 14, 2010	35.01	35.42	34.81	35.19
3315	NASDAQ	OSIS	Mon, Dec 13, 2010	35.49	35.64	34.95	35.10
3314	NASDAQ	OSIS	Fri, Dec 10, 2010	35.14	35.54	34.79	35.42
3313	NASDAQ	OSIS	Thu, Dec 9, 2010	35.60	35.70	34.43	35.01
3312	NASDAQ	OSIS	Wed, Dec 8, 2010	35.66	36.11	35.26	35.50
3311	NASDAQ	OSIS	Tue, Dec 7, 2010	34.96	35.62	34.74	35.50
3310	NASDAQ	OSIS	Mon, Dec 6, 2010	34.44	34.96	34.12	34.70
3309	NASDAQ	OSIS	Fri, Dec 3, 2010	33.03	34.75	33.03	34.53
3308	NASDAQ	OSIS	Thu, Dec 2, 2010	34.27	34.30	32.65	33.23
3307	NASDAQ	OSIS	Wed, Dec 1, 2010	35.22	35.51	34.30	34.38
3306	NASDAQ	OSIS	Tue, Nov 30, 2010	34.76	35.19	34.20	34.82
3305	NASDAQ	OSIS	Mon, Nov 29, 2010	35.58	35.66	34.71	35.09
3304	NASDAQ	OSIS	Fri, Nov 26, 2010	35.37	36.12	35.37	35.86
3303	NASDAQ	OSIS	Wed, Nov 24, 2010	35.44	35.85	35.39	35.62
3302	NASDAQ	OSIS	Tue, Nov 23, 2010	35.45	35.99	35.00	35.25
3301	NASDAQ	OSIS	Mon, Nov 22, 2010	35.00	35.96	34.84	35.88
3300	NASDAQ	OSIS	Fri, Nov 19, 2010	35.51	35.51	34.76	35.22
3299	NASDAQ	OSIS	Thu, Nov 18, 2010	36.08	36.52	35.50	35.68
3298	NASDAQ	OSIS	Wed, Nov 17, 2010	35.36	36.23	35.05	35.73
3297	NASDAQ	OSIS	Tue, Nov 16, 2010	36.01	36.13	35.05	35.35
3296	NASDAQ	OSIS	Mon, Nov 15, 2010	36.48	36.51	35.89	36.12
3295	NASDAQ	OSIS	Fri, Nov 12, 2010	36.48	36.81	35.90	36.22
3294	NASDAQ	OSIS	Thu, Nov 11, 2010	36.87	37.18	36.49	36.82
3293	NASDAQ	OSIS	Wed, Nov 10, 2010	36.07	37.29	35.92	37.28
3292	NASDAQ	OSIS	Tue, Nov 9, 2010	37.40	37.47	35.64	35.93
3291	NASDAQ	OSIS	Mon, Nov 8, 2010	37.30	37.68	37.17	37.39
3290	NASDAQ	OSIS	Fri, Nov 5, 2010	37.56	37.85	37.28	37.46
3289	NASDAQ	OSIS	Thu, Nov 4, 2010	37.50	37.65	36.97	37.35
3288	NASDAQ	OSIS	Wed, Nov 3, 2010	37.15	37.37	36.89	37.20
3287	NASDAQ	OSIS	Tue, Nov 2, 2010	37.19	37.41	36.85	37.15
3286	NASDAQ	OSIS	Mon, Nov 1, 2010	36.85	38.98	36.55	37.00
3285	NASDAQ	OSIS	Fri, Oct 29, 2010	35.60	36.24	35.60	36.00
3284	NASDAQ	OSIS	Thu, Oct 28, 2010	36.00	36.00	35.28	35.74
3283	NASDAQ	OSIS	Wed, Oct 27, 2010	35.21	35.88	34.29	35.82
3282	NASDAQ	OSIS	Tue, Oct 26, 2010	35.06	35.31	34.25	34.99
3281	NASDAQ	OSIS	Mon, Oct 25, 2010	35.28	35.87	35.18	35.46
3280	NASDAQ	OSIS	Fri, Oct 22, 2010	34.76	35.56	34.63	35.16
3279	NASDAQ	OSIS	Thu, Oct 21, 2010	35.21	35.83	34.26	34.58
3278	NASDAQ	OSIS	Wed, Oct 20, 2010	34.68	35.49	34.42	34.99
3277	NASDAQ	OSIS	Tue, Oct 19, 2010	35.38	35.76	34.22	34.46
3276	NASDAQ	OSIS	Mon, Oct 18, 2010	34.87	36.04	34.80	35.74
3275	NASDAQ	OSIS	Fri, Oct 15, 2010	35.78	35.78	34.91	34.92
3274	NASDAQ	OSIS	Thu, Oct 14, 2010	35.69	35.87	35.20	35.37
3273	NASDAQ	OSIS	Wed, Oct 13, 2010	35.66	36.00	35.47	35.82
3272	NASDAQ	OSIS	Tue, Oct 12, 2010	35.26	35.65	34.90	35.50
3271	NASDAQ	OSIS	Mon, Oct 11, 2010	35.45	35.79	35.17	35.18
3270	NASDAQ	OSIS	Fri, Oct 8, 2010	34.95	35.55	34.51	35.37
3269	NASDAQ	OSIS	Thu, Oct 7, 2010	34.85	35.22	34.39	34.96
3268	NASDAQ	OSIS	Wed, Oct 6, 2010	35.73	35.76	34.49	34.64
3267	NASDAQ	OSIS	Tue, Oct 5, 2010	35.84	36.84	35.74	36.80
3266	NASDAQ	OSIS	Mon, Oct 4, 2010	35.13	35.94	34.97	35.45
3265	NASDAQ	OSIS	Fri, Oct 1, 2010	36.65	36.65	35.20	35.28
3264	NASDAQ	OSIS	Thu, Sep 30, 2010	36.25	36.70	36.10	36.32
3263	NASDAQ	OSIS	Wed, Sep 29, 2010	35.78	36.25	35.67	36.22
3262	NASDAQ	OSIS	Tue, Sep 28, 2010	34.87	36.01	34.82	35.96
3261	NASDAQ	OSIS	Mon, Sep 27, 2010	35.00	35.46	34.79	35.00
3260	NASDAQ	OSIS	Fri, Sep 24, 2010	34.22	34.79	33.67	34.76
3259	NASDAQ	OSIS	Thu, Sep 23, 2010	33.82	34.08	33.66	33.78
3258	NASDAQ	OSIS	Wed, Sep 22, 2010	34.36	34.76	33.87	33.94
3257	NASDAQ	OSIS	Tue, Sep 21, 2010	34.83	34.83	34.33	34.35
3256	NASDAQ	OSIS	Mon, Sep 20, 2010	34.30	35.11	33.95	34.83
3255	NASDAQ	OSIS	Fri, Sep 17, 2010	34.78	34.82	33.82	34.28
3254	NASDAQ	OSIS	Thu, Sep 16, 2010	32.94	35.24	32.86	34.33
3253	NASDAQ	OSIS	Wed, Sep 15, 2010	31.98	33.09	31.98	32.96
3252	NASDAQ	OSIS	Tue, Sep 14, 2010	32.43	32.61	32.15	32.37
3251	NASDAQ	OSIS	Mon, Sep 13, 2010	32.30	32.74	32.05	32.45
3250	NASDAQ	OSIS	Fri, Sep 10, 2010	32.45	32.45	32.01	32.22
3249	NASDAQ	OSIS	Thu, Sep 9, 2010	31.98	32.42	31.73	32.28
3248	NASDAQ	OSIS	Wed, Sep 8, 2010	31.42	31.98	31.31	31.90
3247	NASDAQ	OSIS	Tue, Sep 7, 2010	31.50	31.79	31.29	31.32
3246	NASDAQ	OSIS	Fri, Sep 3, 2010	31.75	31.80	31.37	31.72
3245	NASDAQ	OSIS	Thu, Sep 2, 2010	31.00	31.85	30.99	31.54
3244	NASDAQ	OSIS	Wed, Sep 1, 2010	29.76	31.33	29.70	31.14
3243	NASDAQ	OSIS	Tue, Aug 31, 2010	29.18	29.72	28.69	29.58
3242	NASDAQ	OSIS	Mon, Aug 30, 2010	29.44	29.94	29.15	29.22
3241	NASDAQ	OSIS	Fri, Aug 27, 2010	29.84	29.87	29.16	29.65
3240	NASDAQ	OSIS	Thu, Aug 26, 2010	29.30	29.95	29.09	29.54
3239	NASDAQ	OSIS	Wed, Aug 25, 2010	26.83	29.30	26.52	29.23
3238	NASDAQ	OSIS	Tue, Aug 24, 2010	27.07	27.29	26.80	26.92
3237	NASDAQ	OSIS	Mon, Aug 23, 2010	27.75	28.28	27.27	27.41
3236	NASDAQ	OSIS	Fri, Aug 20, 2010	27.53	27.88	27.21	27.56
3235	NASDAQ	OSIS	Thu, Aug 19, 2010	28.10	28.37	27.67	27.67
3234	NASDAQ	OSIS	Wed, Aug 18, 2010	28.11	28.52	27.98	28.10
3233	NASDAQ	OSIS	Tue, Aug 17, 2010	27.81	28.44	27.69	28.10
3232	NASDAQ	OSIS	Mon, Aug 16, 2010	27.48	27.80	27.20	27.67
3231	NASDAQ	OSIS	Fri, Aug 13, 2010	27.44	28.18	27.44	27.64
3230	NASDAQ	OSIS	Thu, Aug 12, 2010	26.76	27.62	26.01	27.58
3229	NASDAQ	OSIS	Wed, Aug 11, 2010	27.65	27.82	26.70	27.12
3228	NASDAQ	OSIS	Tue, Aug 10, 2010	28.08	28.50	27.65	28.03
3227	NASDAQ	OSIS	Mon, Aug 9, 2010	28.49	28.80	28.25	28.37
3226	NASDAQ	OSIS	Fri, Aug 6, 2010	27.76	28.52	27.69	28.32
3225	NASDAQ	OSIS	Thu, Aug 5, 2010	27.93	28.29	27.93	28.09
3224	NASDAQ	OSIS	Wed, Aug 4, 2010	27.93	28.23	27.93	28.13
3223	NASDAQ	OSIS	Tue, Aug 3, 2010	27.96	28.41	27.86	27.90
3222	NASDAQ	OSIS	Mon, Aug 2, 2010	28.11	28.37	27.81	28.03
3221	NASDAQ	OSIS	Fri, Jul 30, 2010	27.71	28.36	27.71	27.79
3220	NASDAQ	OSIS	Thu, Jul 29, 2010	28.81	29.25	27.95	28.08
3219	NASDAQ	OSIS	Wed, Jul 28, 2010	28.88	29.20	28.47	28.57
3218	NASDAQ	OSIS	Tue, Jul 27, 2010	29.10	29.15	28.84	29.05
3217	NASDAQ	OSIS	Mon, Jul 26, 2010	28.22	29.03	28.05	28.95
3216	NASDAQ	OSIS	Fri, Jul 23, 2010	27.54	28.30	27.43	28.08
3215	NASDAQ	OSIS	Thu, Jul 22, 2010	27.44	28.14	27.02	27.70
3214	NASDAQ	OSIS	Wed, Jul 21, 2010	28.07	28.09	26.95	27.13
3213	NASDAQ	OSIS	Tue, Jul 20, 2010	26.96	27.94	26.67	27.90
3212	NASDAQ	OSIS	Mon, Jul 19, 2010	27.39	27.39	26.91	27.24
3211	NASDAQ	OSIS	Fri, Jul 16, 2010	27.82	28.01	26.94	27.25
3210	NASDAQ	OSIS	Thu, Jul 15, 2010	27.75	28.32	27.26	28.03
3209	NASDAQ	OSIS	Wed, Jul 14, 2010	27.21	28.00	27.21	27.80
3208	NASDAQ	OSIS	Tue, Jul 13, 2010	26.79	27.47	26.42	27.36
3207	NASDAQ	OSIS	Mon, Jul 12, 2010	26.70	26.87	26.46	26.57
3206	NASDAQ	OSIS	Fri, Jul 9, 2010	26.36	26.79	26.20	26.75
3205	NASDAQ	OSIS	Thu, Jul 8, 2010	26.29	26.59	25.89	26.46
3204	NASDAQ	OSIS	Wed, Jul 7, 2010	25.44	26.29	25.31	26.16
3203	NASDAQ	OSIS	Tue, Jul 6, 2010	26.30	26.32	25.26	25.39
3202	NASDAQ	OSIS	Fri, Jul 2, 2010	27.10	27.45	25.95	26.10
3201	NASDAQ	OSIS	Thu, Jul 1, 2010	27.94	27.94	26.60	26.91
3200	NASDAQ	OSIS	Wed, Jun 30, 2010	28.45	28.85	27.60	27.77
3199	NASDAQ	OSIS	Tue, Jun 29, 2010	29.08	29.26	27.93	28.36
3198	NASDAQ	OSIS	Mon, Jun 28, 2010	30.10	30.43	29.38	29.44
3197	NASDAQ	OSIS	Fri, Jun 25, 2010	29.46	30.14	28.94	30.06
3196	NASDAQ	OSIS	Thu, Jun 24, 2010	29.50	29.69	29.17	29.34
3195	NASDAQ	OSIS	Wed, Jun 23, 2010	29.14	29.74	28.69	29.55
3194	NASDAQ	OSIS	Tue, Jun 22, 2010	29.50	29.84	29.05	29.25
3193	NASDAQ	OSIS	Mon, Jun 21, 2010	29.53	29.89	29.34	29.46
3192	NASDAQ	OSIS	Fri, Jun 18, 2010	29.00	29.50	28.64	29.29
3191	NASDAQ	OSIS	Thu, Jun 17, 2010	28.76	29.00	28.57	28.92
3190	NASDAQ	OSIS	Wed, Jun 16, 2010	28.52	28.89	28.52	28.69
3189	NASDAQ	OSIS	Tue, Jun 15, 2010	28.62	28.89	28.51	28.75
3188	NASDAQ	OSIS	Mon, Jun 14, 2010	28.27	28.79	28.16	28.56
3187	NASDAQ	OSIS	Fri, Jun 11, 2010	27.29	28.43	26.88	28.15
3186	NASDAQ	OSIS	Thu, Jun 10, 2010	27.40	27.59	27.06	27.58
3185	NASDAQ	OSIS	Wed, Jun 9, 2010	26.55	27.34	26.45	27.13
3184	NASDAQ	OSIS	Tue, Jun 8, 2010	25.72	26.54	25.61	26.43
3183	NASDAQ	OSIS	Mon, Jun 7, 2010	25.80	26.19	25.49	25.53
3182	NASDAQ	OSIS	Fri, Jun 4, 2010	26.10	26.52	25.77	25.78
3181	NASDAQ	OSIS	Thu, Jun 3, 2010	25.96	26.51	25.46	26.43
3180	NASDAQ	OSIS	Wed, Jun 2, 2010	25.89	26.20	25.40	26.10
3179	NASDAQ	OSIS	Tue, Jun 1, 2010	26.17	26.90	25.74	25.77
3178	NASDAQ	OSIS	Fri, May 28, 2010	26.46	26.71	25.95	26.21
3177	NASDAQ	OSIS	Thu, May 27, 2010	26.44	26.66	26.04	26.57
3176	NASDAQ	OSIS	Wed, May 26, 2010	25.88	26.53	25.81	26.01
3175	NASDAQ	OSIS	Tue, May 25, 2010	25.32	25.90	25.00	25.85
3174	NASDAQ	OSIS	Mon, May 24, 2010	24.60	25.06	24.27	24.57
3173	NASDAQ	OSIS	Fri, May 21, 2010	23.28	24.87	23.15	24.62
3172	NASDAQ	OSIS	Thu, May 20, 2010	23.38	23.98	22.80	23.69
3171	NASDAQ	OSIS	Wed, May 19, 2010	24.25	24.39	23.62	23.95
3170	NASDAQ	OSIS	Tue, May 18, 2010	25.27	25.27	24.20	24.37
3169	NASDAQ	OSIS	Mon, May 17, 2010	25.08	25.69	24.10	25.02
3168	NASDAQ	OSIS	Fri, May 14, 2010	25.32	25.48	24.63	25.06
3167	NASDAQ	OSIS	Thu, May 13, 2010	25.80	26.00	25.51	25.51
3166	NASDAQ	OSIS	Wed, May 12, 2010	25.60	26.02	25.53	25.77
3165	NASDAQ	OSIS	Tue, May 11, 2010	24.31	25.81	24.31	25.63
3164	NASDAQ	OSIS	Mon, May 10, 2010	24.09	24.87	24.09	24.54
3163	NASDAQ	OSIS	Fri, May 7, 2010	24.39	24.96	23.83	23.92
3162	NASDAQ	OSIS	Thu, May 6, 2010	24.52	25.00	23.57	24.52
3161	NASDAQ	OSIS	Wed, May 5, 2010	24.80	25.02	24.35	24.66
3160	NASDAQ	OSIS	Tue, May 4, 2010	26.21	26.43	25.00	25.26
3159	NASDAQ	OSIS	Mon, May 3, 2010	26.02	26.61	25.78	26.41
3158	NASDAQ	OSIS	Fri, Apr 30, 2010	27.20	27.20	26.03	26.04
3157	NASDAQ	OSIS	Thu, Apr 29, 2010	26.65	27.45	26.62	27.20
3156	NASDAQ	OSIS	Wed, Apr 28, 2010	26.40	26.49	25.64	26.45
3155	NASDAQ	OSIS	Tue, Apr 27, 2010	26.35	26.93	25.93	26.40
3154	NASDAQ	OSIS	Mon, Apr 26, 2010	28.70	28.90	26.35	26.35
3153	NASDAQ	OSIS	Fri, Apr 23, 2010	29.43	29.99	28.79	29.97
3152	NASDAQ	OSIS	Thu, Apr 22, 2010	28.84	29.60	28.43	29.43
3151	NASDAQ	OSIS	Wed, Apr 21, 2010	29.27	29.47	28.90	28.96
3150	NASDAQ	OSIS	Tue, Apr 20, 2010	28.78	29.18	28.69	29.14
3149	NASDAQ	OSIS	Mon, Apr 19, 2010	28.77	28.90	28.21	28.62
3148	NASDAQ	OSIS	Fri, Apr 16, 2010	28.85	28.99	28.26	28.94
3147	NASDAQ	OSIS	Thu, Apr 15, 2010	29.22	29.43	28.79	28.81
3146	NASDAQ	OSIS	Wed, Apr 14, 2010	28.78	29.84	28.76	29.38
3145	NASDAQ	OSIS	Tue, Apr 13, 2010	28.50	28.82	28.36	28.55
3144	NASDAQ	OSIS	Mon, Apr 12, 2010	28.35	28.57	28.06	28.45
3143	NASDAQ	OSIS	Fri, Apr 9, 2010	28.19	28.59	27.94	28.35
3142	NASDAQ	OSIS	Thu, Apr 8, 2010	28.24	28.50	27.89	28.28
3141	NASDAQ	OSIS	Wed, Apr 7, 2010	28.37	28.72	28.01	28.38
3140	NASDAQ	OSIS	Tue, Apr 6, 2010	28.77	28.91	28.29	28.53
3139	NASDAQ	OSIS	Mon, Apr 5, 2010	28.11	28.73	28.00	28.71
3138	NASDAQ	OSIS	Thu, Apr 1, 2010	28.09	28.66	28.09	28.32
3137	NASDAQ	OSIS	Wed, Mar 31, 2010	28.49	28.69	28.03	28.08
3136	NASDAQ	OSIS	Tue, Mar 30, 2010	28.14	28.80	28.00	28.46
3135	NASDAQ	OSIS	Mon, Mar 29, 2010	29.03	29.23	27.91	28.19
3134	NASDAQ	OSIS	Fri, Mar 26, 2010	29.95	30.13	29.05	29.16
3133	NASDAQ	OSIS	Thu, Mar 25, 2010	30.10	30.61	29.91	29.96
3132	NASDAQ	OSIS	Wed, Mar 24, 2010	30.45	30.66	30.00	30.06
3131	NASDAQ	OSIS	Tue, Mar 23, 2010	30.12	31.02	30.11	30.71
3130	NASDAQ	OSIS	Mon, Mar 22, 2010	29.67	30.45	29.30	30.16
3129	NASDAQ	OSIS	Fri, Mar 19, 2010	30.87	30.99	29.60	29.95
3128	NASDAQ	OSIS	Thu, Mar 18, 2010	30.40	31.20	30.40	30.98
3127	NASDAQ	OSIS	Wed, Mar 17, 2010	30.70	30.91	30.42	30.53
3126	NASDAQ	OSIS	Tue, Mar 16, 2010	30.41	30.57	30.30	30.54
3125	NASDAQ	OSIS	Mon, Mar 15, 2010	30.64	30.80	30.14	30.23
3124	NASDAQ	OSIS	Fri, Mar 12, 2010	31.20	31.20	30.31	30.57
3123	NASDAQ	OSIS	Thu, Mar 11, 2010	31.50	31.64	31.13	31.32
3122	NASDAQ	OSIS	Wed, Mar 10, 2010	31.25	31.69	31.00	31.54
3121	NASDAQ	OSIS	Tue, Mar 9, 2010	31.10	31.75	30.81	31.46
3120	NASDAQ	OSIS	Mon, Mar 8, 2010	30.67	31.31	30.60	31.08
3119	NASDAQ	OSIS	Fri, Mar 5, 2010	30.29	30.98	30.29	30.56
3118	NASDAQ	OSIS	Thu, Mar 4, 2010	30.22	30.50	29.96	30.28
3117	NASDAQ	OSIS	Wed, Mar 3, 2010	30.34	30.78	29.95	30.29
3116	NASDAQ	OSIS	Tue, Mar 2, 2010	31.00	31.07	30.11	30.38
3115	NASDAQ	OSIS	Mon, Mar 1, 2010	31.00	31.61	30.64	30.88
3114	NASDAQ	OSIS	Fri, Feb 26, 2010	30.80	31.13	30.34	30.84
3113	NASDAQ	OSIS	Thu, Feb 25, 2010	28.62	29.32	28.15	29.31
3112	NASDAQ	OSIS	Wed, Feb 24, 2010	28.90	29.28	28.61	29.00
3111	NASDAQ	OSIS	Tue, Feb 23, 2010	29.35	29.48	28.58	28.92
3110	NASDAQ	OSIS	Mon, Feb 22, 2010	28.87	29.70	28.87	29.27
3109	NASDAQ	OSIS	Fri, Feb 19, 2010	28.50	28.95	28.09	28.82
3108	NASDAQ	OSIS	Thu, Feb 18, 2010	27.87	28.70	27.87	28.64
3107	NASDAQ	OSIS	Wed, Feb 17, 2010	28.12	28.56	27.76	27.79
3106	NASDAQ	OSIS	Tue, Feb 16, 2010	27.62	28.23	27.51	28.16
3105	NASDAQ	OSIS	Fri, Feb 12, 2010	28.45	28.45	27.44	27.51
3104	NASDAQ	OSIS	Thu, Feb 11, 2010	28.15	28.79	27.87	28.69
3103	NASDAQ	OSIS	Wed, Feb 10, 2010	27.50	28.20	27.01	28.09
3102	NASDAQ	OSIS	Tue, Feb 9, 2010	26.99	27.90	26.96	27.30
3101	NASDAQ	OSIS	Mon, Feb 8, 2010	25.75	26.78	25.69	26.33
3100	NASDAQ	OSIS	Fri, Feb 5, 2010	25.68	25.92	25.52	25.79
3099	NASDAQ	OSIS	Thu, Feb 4, 2010	26.00	26.10	25.21	25.56
3098	NASDAQ	OSIS	Wed, Feb 3, 2010	26.49	26.60	25.95	26.21
3097	NASDAQ	OSIS	Tue, Feb 2, 2010	26.28	26.81	26.07	26.73
3096	NASDAQ	OSIS	Mon, Feb 1, 2010	26.51	26.95	26.06	26.37
3095	NASDAQ	OSIS	Fri, Jan 29, 2010	27.09	27.42	26.47	26.47
3094	NASDAQ	OSIS	Thu, Jan 28, 2010	28.38	28.38	26.89	27.11
3093	NASDAQ	OSIS	Wed, Jan 27, 2010	28.59	28.70	27.13	28.23
3092	NASDAQ	OSIS	Tue, Jan 26, 2010	27.67	28.95	27.19	28.93
3091	NASDAQ	OSIS	Mon, Jan 25, 2010	28.09	28.30	27.51	27.89
3090	NASDAQ	OSIS	Fri, Jan 22, 2010	28.92	29.18	27.70	27.77
3089	NASDAQ	OSIS	Thu, Jan 21, 2010	29.87	30.40	29.00	29.18
3088	NASDAQ	OSIS	Wed, Jan 20, 2010	29.58	30.38	29.57	29.98
3087	NASDAQ	OSIS	Tue, Jan 19, 2010	30.03	30.70	29.58	29.90
3086	NASDAQ	OSIS	Fri, Jan 15, 2010	31.33	31.33	30.20	30.69
3085	NASDAQ	OSIS	Thu, Jan 14, 2010	31.78	31.89	30.55	31.20
3084	NASDAQ	OSIS	Wed, Jan 13, 2010	31.21	31.75	30.26	31.73
3083	NASDAQ	OSIS	Tue, Jan 12, 2010	31.70	31.78	30.06	30.73
3082	NASDAQ	OSIS	Mon, Jan 11, 2010	32.58	32.58	31.75	32.00
3081	NASDAQ	OSIS	Fri, Jan 8, 2010	30.17	32.43	30.00	31.64
3080	NASDAQ	OSIS	Thu, Jan 7, 2010	29.07	29.07	28.32	28.89
3079	NASDAQ	OSIS	Wed, Jan 6, 2010	28.69	29.00	28.00	28.45
3078	NASDAQ	OSIS	Tue, Jan 5, 2010	27.85	28.28	27.50	27.72
3077	NASDAQ	OSIS	Mon, Jan 4, 2010	28.00	28.20	27.58	27.86
3076	NASDAQ	OSIS	Thu, Dec 31, 2009	27.93	28.14	26.95	27.28
3075	NASDAQ	OSIS	Wed, Dec 30, 2009	26.88	28.49	26.55	27.46
3074	NASDAQ	OSIS	Tue, Dec 29, 2009	25.15	25.64	24.34	25.06
3073	NASDAQ	OSIS	Mon, Dec 28, 2009	23.04	24.97	23.04	24.47
3072	NASDAQ	OSIS	Thu, Dec 24, 2009	21.77	22.10	21.73	22.02
3071	NASDAQ	OSIS	Wed, Dec 23, 2009	21.90	22.08	21.59	21.72
3070	NASDAQ	OSIS	Tue, Dec 22, 2009	21.30	21.99	21.27	21.85
3069	NASDAQ	OSIS	Mon, Dec 21, 2009	20.85	21.49	20.80	21.34
3068	NASDAQ	OSIS	Fri, Dec 18, 2009	20.79	20.86	20.37	20.84
3067	NASDAQ	OSIS	Thu, Dec 17, 2009	20.81	20.88	20.04	20.58
3066	NASDAQ	OSIS	Wed, Dec 16, 2009	21.22	21.32	20.62	20.84
3065	NASDAQ	OSIS	Tue, Dec 15, 2009	21.33	21.52	21.04	21.04
3064	NASDAQ	OSIS	Mon, Dec 14, 2009	21.03	21.50	20.76	21.43
3063	NASDAQ	OSIS	Fri, Dec 11, 2009	20.80	21.08	20.52	21.00
3062	NASDAQ	OSIS	Thu, Dec 10, 2009	21.41	21.46	20.65	20.70
3061	NASDAQ	OSIS	Wed, Dec 9, 2009	21.21	21.36	20.61	21.31
3060	NASDAQ	OSIS	Tue, Dec 8, 2009	21.65	21.71	21.06	21.14
3059	NASDAQ	OSIS	Mon, Dec 7, 2009	21.30	21.64	21.15	21.56
3058	NASDAQ	OSIS	Fri, Dec 4, 2009	20.75	21.56	20.75	21.41
3057	NASDAQ	OSIS	Thu, Dec 3, 2009	20.54	20.94	20.31	20.40
3056	NASDAQ	OSIS	Wed, Dec 2, 2009	20.53	20.60	20.01	20.44
3055	NASDAQ	OSIS	Tue, Dec 1, 2009	20.52	20.70	20.06	20.58
3054	NASDAQ	OSIS	Mon, Nov 30, 2009	20.48	20.48	20.04	20.43
3053	NASDAQ	OSIS	Fri, Nov 27, 2009	19.99	20.55	19.65	20.22
3052	NASDAQ	OSIS	Wed, Nov 25, 2009	20.26	20.67	20.13	20.35
3051	NASDAQ	OSIS	Tue, Nov 24, 2009	20.02	20.25	19.83	20.23
3050	NASDAQ	OSIS	Mon, Nov 23, 2009	19.24	20.10	19.24	20.00
3049	NASDAQ	OSIS	Fri, Nov 20, 2009	19.06	19.23	18.95	19.15
3048	NASDAQ	OSIS	Thu, Nov 19, 2009	19.18	19.30	18.80	19.09
3047	NASDAQ	OSIS	Wed, Nov 18, 2009	19.53	19.53	19.22	19.37
3046	NASDAQ	OSIS	Tue, Nov 17, 2009	19.74	19.78	19.60	19.62
3045	NASDAQ	OSIS	Mon, Nov 16, 2009	19.54	19.87	19.39	19.85
3044	NASDAQ	OSIS	Fri, Nov 13, 2009	19.52	19.60	19.14	19.38
3043	NASDAQ	OSIS	Thu, Nov 12, 2009	19.84	19.96	19.36	19.41
3042	NASDAQ	OSIS	Wed, Nov 11, 2009	19.92	20.05	19.71	19.93
3041	NASDAQ	OSIS	Tue, Nov 10, 2009	19.89	19.99	19.72	19.80
3040	NASDAQ	OSIS	Mon, Nov 9, 2009	19.93	20.00	19.78	19.99
3039	NASDAQ	OSIS	Fri, Nov 6, 2009	19.75	20.00	19.57	19.99
3038	NASDAQ	OSIS	Thu, Nov 5, 2009	19.57	19.99	19.36	19.85
3037	NASDAQ	OSIS	Wed, Nov 4, 2009	19.95	19.99	19.47	19.54
3036	NASDAQ	OSIS	Tue, Nov 3, 2009	19.56	19.89	19.26	19.84
3035	NASDAQ	OSIS	Mon, Nov 2, 2009	20.00	20.00	19.40	19.64
3034	NASDAQ	OSIS	Fri, Oct 30, 2009	19.61	19.87	19.07	19.63
3033	NASDAQ	OSIS	Thu, Oct 29, 2009	19.46	19.80	19.43	19.64
3032	NASDAQ	OSIS	Wed, Oct 28, 2009	19.22	20.10	19.01	19.24
3031	NASDAQ	OSIS	Tue, Oct 27, 2009	18.20	18.75	18.16	18.67
3030	NASDAQ	OSIS	Mon, Oct 26, 2009	17.53	17.98	17.44	17.72
3029	NASDAQ	OSIS	Fri, Oct 23, 2009	17.50	17.71	17.46	17.53
3028	NASDAQ	OSIS	Thu, Oct 22, 2009	17.29	17.51	17.03	17.32
3027	NASDAQ	OSIS	Wed, Oct 21, 2009	17.47	17.76	17.22	17.26
3026	NASDAQ	OSIS	Tue, Oct 20, 2009	17.81	18.00	17.42	17.51
3025	NASDAQ	OSIS	Mon, Oct 19, 2009	17.91	18.04	17.79	17.86
3024	NASDAQ	OSIS	Fri, Oct 16, 2009	17.48	17.98	17.45	17.82
3023	NASDAQ	OSIS	Thu, Oct 15, 2009	17.30	17.53	17.20	17.52
3022	NASDAQ	OSIS	Wed, Oct 14, 2009	17.51	17.51	17.15	17.35
3021	NASDAQ	OSIS	Tue, Oct 13, 2009	17.30	17.42	17.16	17.36
3020	NASDAQ	OSIS	Mon, Oct 12, 2009	17.36	17.49	17.11	17.30
3019	NASDAQ	OSIS	Fri, Oct 9, 2009	17.36	17.52	17.06	17.42
3018	NASDAQ	OSIS	Thu, Oct 8, 2009	17.28	17.49	17.25	17.25
3017	NASDAQ	OSIS	Wed, Oct 7, 2009	17.63	17.82	17.12	17.28
3016	NASDAQ	OSIS	Tue, Oct 6, 2009	17.60	17.91	17.43	17.62
3015	NASDAQ	OSIS	Mon, Oct 5, 2009	17.83	17.99	17.52	17.58
3014	NASDAQ	OSIS	Fri, Oct 2, 2009	17.68	17.88	17.45	17.62
3013	NASDAQ	OSIS	Thu, Oct 1, 2009	18.32	18.64	17.85	17.85
3012	NASDAQ	OSIS	Wed, Sep 30, 2009	18.20	18.40	17.95	18.29
3011	NASDAQ	OSIS	Tue, Sep 29, 2009	18.09	18.72	17.99	18.25
3010	NASDAQ	OSIS	Mon, Sep 28, 2009	17.75	18.22	17.65	18.11
3009	NASDAQ	OSIS	Fri, Sep 25, 2009	17.38	17.75	17.38	17.72
3008	NASDAQ	OSIS	Thu, Sep 24, 2009	17.75	17.79	17.41	17.50
3007	NASDAQ	OSIS	Wed, Sep 23, 2009	17.75	17.75	17.49	17.50
3006	NASDAQ	OSIS	Tue, Sep 22, 2009	17.49	17.81	17.34	17.50
3005	NASDAQ	OSIS	Mon, Sep 21, 2009	17.54	17.89	17.41	17.46
3004	NASDAQ	OSIS	Fri, Sep 18, 2009	17.68	17.84	17.40	17.73
3003	NASDAQ	OSIS	Thu, Sep 17, 2009	17.53	17.71	17.34	17.49
3002	NASDAQ	OSIS	Wed, Sep 16, 2009	17.17	17.59	17.17	17.53
3001	NASDAQ	OSIS	Tue, Sep 15, 2009	17.05	17.35	17.05	17.15
3000	NASDAQ	OSIS	Mon, Sep 14, 2009	16.86	17.29	16.80	17.10
2999	NASDAQ	OSIS	Fri, Sep 11, 2009	16.80	17.19	16.80	17.00
2998	NASDAQ	OSIS	Thu, Sep 10, 2009	16.99	17.07	16.75	16.82
2997	NASDAQ	OSIS	Wed, Sep 9, 2009	16.60	17.09	16.51	16.95
2996	NASDAQ	OSIS	Tue, Sep 8, 2009	16.98	17.06	16.31	16.52
2995	NASDAQ	OSIS	Fri, Sep 4, 2009	16.84	17.22	16.84	16.93
2994	NASDAQ	OSIS	Thu, Sep 3, 2009	17.00	17.00	16.77	16.84
2993	NASDAQ	OSIS	Wed, Sep 2, 2009	16.34	17.00	16.34	16.98
2992	NASDAQ	OSIS	Tue, Sep 1, 2009	16.75	17.47	16.37	16.37
2991	NASDAQ	OSIS	Mon, Aug 31, 2009	16.87	17.21	16.70	16.87
2990	NASDAQ	OSIS	Fri, Aug 28, 2009	17.98	18.03	16.86	16.97
2989	NASDAQ	OSIS	Thu, Aug 27, 2009	19.06	19.72	17.65	17.75
2988	NASDAQ	OSIS	Wed, Aug 26, 2009	19.98	20.56	19.90	20.28
2987	NASDAQ	OSIS	Tue, Aug 25, 2009	20.19	20.27	19.74	20.09
2986	NASDAQ	OSIS	Mon, Aug 24, 2009	20.32	20.50	19.99	20.06
2985	NASDAQ	OSIS	Fri, Aug 21, 2009	20.44	20.69	20.04	20.32
2984	NASDAQ	OSIS	Thu, Aug 20, 2009	19.35	20.35	19.29	20.25
2983	NASDAQ	OSIS	Wed, Aug 19, 2009	18.69	19.67	18.61	19.48
2982	NASDAQ	OSIS	Tue, Aug 18, 2009	18.77	19.29	18.31	18.91
2981	NASDAQ	OSIS	Mon, Aug 17, 2009	18.19	18.90	18.10	18.64
2980	NASDAQ	OSIS	Fri, Aug 14, 2009	19.00	19.56	18.24	18.35
2979	NASDAQ	OSIS	Thu, Aug 13, 2009	19.26	19.63	19.00	19.06
2978	NASDAQ	OSIS	Wed, Aug 12, 2009	18.34	19.63	18.34	19.24
2977	NASDAQ	OSIS	Tue, Aug 11, 2009	18.25	18.55	18.17	18.27
2976	NASDAQ	OSIS	Mon, Aug 10, 2009	18.46	18.61	18.10	18.36
2975	NASDAQ	OSIS	Fri, Aug 7, 2009	18.45	18.92	18.00	18.56
2974	NASDAQ	OSIS	Thu, Aug 6, 2009	18.53	18.54	18.15	18.22
2973	NASDAQ	OSIS	Wed, Aug 5, 2009	19.33	19.56	18.29	18.53
2972	NASDAQ	OSIS	Tue, Aug 4, 2009	19.46	19.72	19.07	19.38
2971	NASDAQ	OSIS	Mon, Aug 3, 2009	19.87	20.00	19.30	19.61
2970	NASDAQ	OSIS	Fri, Jul 31, 2009	19.94	20.46	19.79	19.80
2969	NASDAQ	OSIS	Thu, Jul 30, 2009	20.58	20.75	19.92	20.06
2968	NASDAQ	OSIS	Wed, Jul 29, 2009	20.70	20.77	20.29	20.46
2967	NASDAQ	OSIS	Tue, Jul 28, 2009	20.78	20.88	20.14	20.76
2966	NASDAQ	OSIS	Mon, Jul 27, 2009	20.76	21.01	20.48	20.82
2965	NASDAQ	OSIS	Fri, Jul 24, 2009	20.47	21.05	20.47	20.89
2964	NASDAQ	OSIS	Thu, Jul 23, 2009	20.75	21.16	20.36	20.52
2963	NASDAQ	OSIS	Wed, Jul 22, 2009	20.17	20.90	20.10	20.86
2962	NASDAQ	OSIS	Tue, Jul 21, 2009	19.70	20.29	19.70	20.18
2961	NASDAQ	OSIS	Mon, Jul 20, 2009	19.86	19.97	19.44	19.57
2960	NASDAQ	OSIS	Fri, Jul 17, 2009	19.79	19.91	19.34	19.73
2959	NASDAQ	OSIS	Thu, Jul 16, 2009	19.44	19.88	19.44	19.73
2958	NASDAQ	OSIS	Wed, Jul 15, 2009	19.31	20.08	19.31	19.57
2957	NASDAQ	OSIS	Tue, Jul 14, 2009	19.23	19.43	19.04	19.18
2956	NASDAQ	OSIS	Mon, Jul 13, 2009	19.16	19.30	18.30	19.18
2955	NASDAQ	OSIS	Fri, Jul 10, 2009	19.08	19.26	18.76	19.20
2954	NASDAQ	OSIS	Thu, Jul 9, 2009	19.70	19.70	19.08	19.10
2953	NASDAQ	OSIS	Wed, Jul 8, 2009	19.96	19.97	19.23	19.67
2952	NASDAQ	OSIS	Tue, Jul 7, 2009	19.97	20.39	19.78	19.84
2951	NASDAQ	OSIS	Mon, Jul 6, 2009	20.06	20.59	19.77	20.02
2950	NASDAQ	OSIS	Thu, Jul 2, 2009	20.37	20.91	20.16	20.17
2949	NASDAQ	OSIS	Wed, Jul 1, 2009	20.95	21.23	20.58	20.71
2948	NASDAQ	OSIS	Tue, Jun 30, 2009	20.78	21.13	20.27	20.85
2947	NASDAQ	OSIS	Mon, Jun 29, 2009	19.90	20.76	19.27	20.71
2946	NASDAQ	OSIS	Fri, Jun 26, 2009	19.47	20.00	19.41	20.00
2945	NASDAQ	OSIS	Thu, Jun 25, 2009	19.24	19.65	18.93	19.61
2944	NASDAQ	OSIS	Wed, Jun 24, 2009	19.41	19.43	19.00	19.29
2943	NASDAQ	OSIS	Tue, Jun 23, 2009	18.46	19.43	18.24	19.23
2942	NASDAQ	OSIS	Mon, Jun 22, 2009	18.12	18.50	18.01	18.31
2941	NASDAQ	OSIS	Fri, Jun 19, 2009	18.07	18.62	18.02	18.22
2940	NASDAQ	OSIS	Thu, Jun 18, 2009	17.27	18.00	17.07	17.85
2939	NASDAQ	OSIS	Wed, Jun 17, 2009	16.93	17.47	16.88	17.26
2938	NASDAQ	OSIS	Tue, Jun 16, 2009	16.75	17.22	16.66	16.87
2937	NASDAQ	OSIS	Mon, Jun 15, 2009	16.88	16.90	16.58	16.78
2936	NASDAQ	OSIS	Fri, Jun 12, 2009	17.18	17.24	16.67	17.24
2935	NASDAQ	OSIS	Thu, Jun 11, 2009	17.26	17.62	17.22	17.24
2934	NASDAQ	OSIS	Wed, Jun 10, 2009	18.53	18.53	16.97	17.18
2933	NASDAQ	OSIS	Tue, Jun 9, 2009	18.49	18.63	18.32	18.36
2932	NASDAQ	OSIS	Mon, Jun 8, 2009	18.65	18.73	18.20	18.48
2931	NASDAQ	OSIS	Fri, Jun 5, 2009	18.76	19.19	18.50	18.91
2930	NASDAQ	OSIS	Thu, Jun 4, 2009	18.18	18.76	17.99	18.59
2929	NASDAQ	OSIS	Wed, Jun 3, 2009	18.10	18.24	17.96	18.23
2928	NASDAQ	OSIS	Tue, Jun 2, 2009	18.42	18.42	18.00	18.30
2927	NASDAQ	OSIS	Mon, Jun 1, 2009	18.55	18.83	18.14	18.54
2926	NASDAQ	OSIS	Fri, May 29, 2009	18.26	18.41	17.98	18.40
2925	NASDAQ	OSIS	Thu, May 28, 2009	18.47	18.59	17.96	18.27
2924	NASDAQ	OSIS	Wed, May 27, 2009	18.92	18.92	18.35	18.42
2923	NASDAQ	OSIS	Tue, May 26, 2009	17.26	19.15	17.26	19.07
2922	NASDAQ	OSIS	Fri, May 22, 2009	17.72	17.97	17.39	17.43
2921	NASDAQ	OSIS	Thu, May 21, 2009	17.72	17.83	17.20	17.69
2920	NASDAQ	OSIS	Wed, May 20, 2009	18.06	18.75	17.73	17.84
2919	NASDAQ	OSIS	Tue, May 19, 2009	17.87	18.34	17.87	18.01
2918	NASDAQ	OSIS	Mon, May 18, 2009	18.17	18.34	17.81	17.99
2917	NASDAQ	OSIS	Fri, May 15, 2009	18.76	19.10	17.79	17.99
2916	NASDAQ	OSIS	Thu, May 14, 2009	18.56	19.06	18.22	18.67
2915	NASDAQ	OSIS	Wed, May 13, 2009	18.84	19.12	18.50	18.54
2914	NASDAQ	OSIS	Tue, May 12, 2009	19.14	19.43	18.94	19.03
2913	NASDAQ	OSIS	Mon, May 11, 2009	19.21	19.40	18.60	19.13
2912	NASDAQ	OSIS	Fri, May 8, 2009	19.17	19.48	18.53	19.47
2911	NASDAQ	OSIS	Thu, May 7, 2009	19.20	19.26	18.68	18.88
2910	NASDAQ	OSIS	Wed, May 6, 2009	19.00	19.28	18.58	19.08
2909	NASDAQ	OSIS	Tue, May 5, 2009	18.62	19.09	18.11	18.83
2908	NASDAQ	OSIS	Mon, May 4, 2009	18.94	19.05	18.51	18.76
2907	NASDAQ	OSIS	Fri, May 1, 2009	18.63	19.10	17.81	18.84
2906	NASDAQ	OSIS	Thu, Apr 30, 2009	18.13	19.04	17.90	18.75
2905	NASDAQ	OSIS	Wed, Apr 29, 2009	18.10	18.50	17.38	17.91
2904	NASDAQ	OSIS	Tue, Apr 28, 2009	17.09	18.20	16.91	18.00
2903	NASDAQ	OSIS	Mon, Apr 27, 2009	17.10	17.79	16.81	17.21
2902	NASDAQ	OSIS	Fri, Apr 24, 2009	18.20	18.20	16.96	17.36
2901	NASDAQ	OSIS	Thu, Apr 23, 2009	17.67	18.19	17.25	18.11
2900	NASDAQ	OSIS	Wed, Apr 22, 2009	17.36	18.35	17.26	17.70
2899	NASDAQ	OSIS	Tue, Apr 21, 2009	16.81	17.82	16.81	17.64
2898	NASDAQ	OSIS	Mon, Apr 20, 2009	17.03	17.47	16.67	16.92
2897	NASDAQ	OSIS	Fri, Apr 17, 2009	16.97	17.51	16.74	17.31
2896	NASDAQ	OSIS	Thu, Apr 16, 2009	16.50	17.12	16.25	16.91
2895	NASDAQ	OSIS	Wed, Apr 15, 2009	15.70	16.48	15.65	16.48
2894	NASDAQ	OSIS	Tue, Apr 14, 2009	16.07	16.31	15.77	15.80
2893	NASDAQ	OSIS	Mon, Apr 13, 2009	16.58	16.64	15.83	16.37
2892	NASDAQ	OSIS	Thu, Apr 9, 2009	16.09	16.83	15.77	16.71
2891	NASDAQ	OSIS	Wed, Apr 8, 2009	16.65	17.05	15.19	15.96
2890	NASDAQ	OSIS	Tue, Apr 7, 2009	16.91	17.21	16.59	16.60
2889	NASDAQ	OSIS	Mon, Apr 6, 2009	17.00	17.45	16.71	17.05
2888	NASDAQ	OSIS	Fri, Apr 3, 2009	16.98	17.39	16.53	17.23
2887	NASDAQ	OSIS	Thu, Apr 2, 2009	16.00	17.33	15.90	17.06
2886	NASDAQ	OSIS	Wed, Apr 1, 2009	14.99	16.12	14.93	16.07
2885	NASDAQ	OSIS	Tue, Mar 31, 2009	15.04	15.49	14.65	15.26
2884	NASDAQ	OSIS	Mon, Mar 30, 2009	15.00	15.40	14.37	14.93
2883	NASDAQ	OSIS	Fri, Mar 27, 2009	15.31	15.48	15.15	15.20
2882	NASDAQ	OSIS	Thu, Mar 26, 2009	15.14	15.50	14.77	15.50
2881	NASDAQ	OSIS	Wed, Mar 25, 2009	14.50	15.01	14.35	15.01
2880	NASDAQ	OSIS	Tue, Mar 24, 2009	14.91	15.08	14.45	14.50
2879	NASDAQ	OSIS	Mon, Mar 23, 2009	15.26	15.50	14.68	15.14
2878	NASDAQ	OSIS	Fri, Mar 20, 2009	15.94	15.94	14.97	15.03
2877	NASDAQ	OSIS	Thu, Mar 19, 2009	16.94	16.94	15.75	15.80
2876	NASDAQ	OSIS	Wed, Mar 18, 2009	17.40	17.49	16.43	16.75
2875	NASDAQ	OSIS	Tue, Mar 17, 2009	16.76	17.55	16.52	17.55
2874	NASDAQ	OSIS	Mon, Mar 16, 2009	16.55	17.23	16.35	16.82
2873	NASDAQ	OSIS	Fri, Mar 13, 2009	16.55	16.83	16.24	16.51
2872	NASDAQ	OSIS	Thu, Mar 12, 2009	15.11	16.59	14.98	16.53
2871	NASDAQ	OSIS	Wed, Mar 11, 2009	15.50	15.93	15.09	15.22
2870	NASDAQ	OSIS	Tue, Mar 10, 2009	14.13	15.30	14.13	15.24
2869	NASDAQ	OSIS	Mon, Mar 9, 2009	13.91	14.37	13.86	13.90
2868	NASDAQ	OSIS	Fri, Mar 6, 2009	14.61	14.71	13.89	14.07
2867	NASDAQ	OSIS	Thu, Mar 5, 2009	15.40	15.64	14.52	14.59
2866	NASDAQ	OSIS	Wed, Mar 4, 2009	15.17	15.87	15.05	15.65
2865	NASDAQ	OSIS	Tue, Mar 3, 2009	15.10	15.45	14.94	15.09
2864	NASDAQ	OSIS	Mon, Mar 2, 2009	15.59	15.90	15.01	15.10
2863	NASDAQ	OSIS	Fri, Feb 27, 2009	15.55	16.18	15.25	15.80
2862	NASDAQ	OSIS	Thu, Feb 26, 2009	16.86	16.96	15.69	15.85
2861	NASDAQ	OSIS	Wed, Feb 25, 2009	16.78	17.17	16.44	16.74
2860	NASDAQ	OSIS	Tue, Feb 24, 2009	16.39	17.22	16.02	16.92
2859	NASDAQ	OSIS	Mon, Feb 23, 2009	16.86	17.19	16.24	16.29
2858	NASDAQ	OSIS	Fri, Feb 20, 2009	16.76	17.29	16.66	16.80
2857	NASDAQ	OSIS	Thu, Feb 19, 2009	17.22	17.55	16.85	16.90
2856	NASDAQ	OSIS	Wed, Feb 18, 2009	17.50	17.53	16.78	17.10
2855	NASDAQ	OSIS	Tue, Feb 17, 2009	15.93	18.10	15.70	17.44
2854	NASDAQ	OSIS	Fri, Feb 13, 2009	17.35	17.50	14.16	16.18
2853	NASDAQ	OSIS	Thu, Feb 12, 2009	17.07	17.75	16.87	17.47
2852	NASDAQ	OSIS	Wed, Feb 11, 2009	15.89	17.25	15.89	17.25
2851	NASDAQ	OSIS	Tue, Feb 10, 2009	16.12	16.75	15.73	15.78
2850	NASDAQ	OSIS	Mon, Feb 9, 2009	18.08	18.38	17.73	17.91
2849	NASDAQ	OSIS	Fri, Feb 6, 2009	17.77	18.20	17.24	18.14
2848	NASDAQ	OSIS	Thu, Feb 5, 2009	17.08	18.00	17.03	17.70
2847	NASDAQ	OSIS	Wed, Feb 4, 2009	16.27	18.03	16.27	17.13
2846	NASDAQ	OSIS	Tue, Feb 3, 2009	15.40	16.52	14.87	16.26
2845	NASDAQ	OSIS	Mon, Feb 2, 2009	14.54	15.36	13.95	15.25
2844	NASDAQ	OSIS	Fri, Jan 30, 2009	14.50	14.84	14.35	14.63
2843	NASDAQ	OSIS	Thu, Jan 29, 2009	13.03	14.93	13.03	13.90
2842	NASDAQ	OSIS	Wed, Jan 28, 2009	11.54	11.85	11.38	11.70
2841	NASDAQ	OSIS	Tue, Jan 27, 2009	11.57	11.72	11.17	11.28
2840	NASDAQ	OSIS	Mon, Jan 26, 2009	11.26	11.75	11.13	11.57
2839	NASDAQ	OSIS	Fri, Jan 23, 2009	11.73	12.62	11.01	11.21
2838	NASDAQ	OSIS	Thu, Jan 22, 2009	13.45	13.59	13.01	13.24
2837	NASDAQ	OSIS	Wed, Jan 21, 2009	12.73	13.75	12.73	13.72
2836	NASDAQ	OSIS	Tue, Jan 20, 2009	13.31	13.84	12.62	12.65
2835	NASDAQ	OSIS	Fri, Jan 16, 2009	13.04	13.53	12.51	13.46
2834	NASDAQ	OSIS	Thu, Jan 15, 2009	12.46	13.04	12.28	12.99
2833	NASDAQ	OSIS	Wed, Jan 14, 2009	12.40	12.74	12.02	12.50
2832	NASDAQ	OSIS	Tue, Jan 13, 2009	12.42	12.86	12.42	12.53
2831	NASDAQ	OSIS	Mon, Jan 12, 2009	13.43	13.88	12.50	12.52
2830	NASDAQ	OSIS	Fri, Jan 9, 2009	14.62	14.62	13.41	13.41
2829	NASDAQ	OSIS	Thu, Jan 8, 2009	14.01	14.62	13.76	14.60
2828	NASDAQ	OSIS	Wed, Jan 7, 2009	14.38	14.48	13.94	14.09
2827	NASDAQ	OSIS	Tue, Jan 6, 2009	14.33	14.88	13.78	14.56
2826	NASDAQ	OSIS	Mon, Jan 5, 2009	14.42	14.66	13.78	14.18
2825	NASDAQ	OSIS	Fri, Jan 2, 2009	13.84	14.68	13.20	14.36
2824	NASDAQ	OSIS	Wed, Dec 31, 2008	12.85	13.90	12.81	13.85
2823	NASDAQ	OSIS	Tue, Dec 30, 2008	12.65	13.24	12.56	12.85
2822	NASDAQ	OSIS	Mon, Dec 29, 2008	13.34	13.40	12.50	12.53
2821	NASDAQ	OSIS	Fri, Dec 26, 2008	13.09	13.45	13.06	13.33
2820	NASDAQ	OSIS	Wed, Dec 24, 2008	12.70	13.14	12.64	13.06
2819	NASDAQ	OSIS	Tue, Dec 23, 2008	13.02	13.14	12.64	12.79
2818	NASDAQ	OSIS	Mon, Dec 22, 2008	12.70	13.05	12.50	12.96
2817	NASDAQ	OSIS	Fri, Dec 19, 2008	13.16	13.36	12.53	12.68
2816	NASDAQ	OSIS	Thu, Dec 18, 2008	12.78	13.06	12.56	12.92
2815	NASDAQ	OSIS	Wed, Dec 17, 2008	12.80	13.12	12.69	12.85
2814	NASDAQ	OSIS	Tue, Dec 16, 2008	12.80	13.14	12.55	12.95
2813	NASDAQ	OSIS	Mon, Dec 15, 2008	12.96	12.99	12.36	12.64
2812	NASDAQ	OSIS	Fri, Dec 12, 2008	12.46	12.99	12.23	12.93
2811	NASDAQ	OSIS	Thu, Dec 11, 2008	12.90	13.34	12.72	12.76
2810	NASDAQ	OSIS	Wed, Dec 10, 2008	12.75	13.24	12.75	13.05
2809	NASDAQ	OSIS	Tue, Dec 9, 2008	13.12	13.36	12.46	12.60
2808	NASDAQ	OSIS	Mon, Dec 8, 2008	13.32	13.78	13.03	13.25
2807	NASDAQ	OSIS	Fri, Dec 5, 2008	12.08	12.99	12.03	12.99
2806	NASDAQ	OSIS	Thu, Dec 4, 2008	12.38	13.35	11.98	12.20
2805	NASDAQ	OSIS	Wed, Dec 3, 2008	12.20	13.02	11.68	12.56
2804	NASDAQ	OSIS	Tue, Dec 2, 2008	12.19	12.80	11.76	12.47
2803	NASDAQ	OSIS	Mon, Dec 1, 2008	13.60	13.83	11.87	11.96
2802	NASDAQ	OSIS	Fri, Nov 28, 2008	13.05	13.88	12.83	13.88
2801	NASDAQ	OSIS	Wed, Nov 26, 2008	11.54	13.22	11.40	13.16
2800	NASDAQ	OSIS	Tue, Nov 25, 2008	10.80	12.02	10.80	11.78
2799	NASDAQ	OSIS	Mon, Nov 24, 2008	10.91	12.02	10.34	11.96
2798	NASDAQ	OSIS	Fri, Nov 21, 2008	11.13	11.13	10.15	10.81
2797	NASDAQ	OSIS	Thu, Nov 20, 2008	10.78	11.30	10.52	11.12
2796	NASDAQ	OSIS	Wed, Nov 19, 2008	11.41	11.67	10.87	10.88
2795	NASDAQ	OSIS	Tue, Nov 18, 2008	11.01	11.68	11.01	11.44
2794	NASDAQ	OSIS	Mon, Nov 17, 2008	10.86	11.32	10.61	11.00
2793	NASDAQ	OSIS	Fri, Nov 14, 2008	11.58	11.76	10.93	10.96
2792	NASDAQ	OSIS	Thu, Nov 13, 2008	10.52	11.81	10.34	11.77
2791	NASDAQ	OSIS	Wed, Nov 12, 2008	10.81	10.90	10.35	10.51
2790	NASDAQ	OSIS	Tue, Nov 11, 2008	10.84	11.45	10.71	10.93
2789	NASDAQ	OSIS	Mon, Nov 10, 2008	11.50	11.50	10.88	10.95
2788	NASDAQ	OSIS	Fri, Nov 7, 2008	11.60	11.77	11.02	11.30
2787	NASDAQ	OSIS	Thu, Nov 6, 2008	11.75	11.75	11.29	11.50
2786	NASDAQ	OSIS	Wed, Nov 5, 2008	11.89	12.52	11.41	11.81
2785	NASDAQ	OSIS	Tue, Nov 4, 2008	11.47	11.91	11.20	11.85
2784	NASDAQ	OSIS	Mon, Nov 3, 2008	11.52	11.78	11.15	11.23
2783	NASDAQ	OSIS	Fri, Oct 31, 2008	11.27	11.95	10.70	11.50
2782	NASDAQ	OSIS	Thu, Oct 30, 2008	14.00	14.99	11.01	11.33
2781	NASDAQ	OSIS	Wed, Oct 29, 2008	14.75	14.94	14.37	14.55
2780	NASDAQ	OSIS	Tue, Oct 28, 2008	14.42	14.70	13.66	14.58
2779	NASDAQ	OSIS	Mon, Oct 27, 2008	14.65	14.88	14.21	14.24
2778	NASDAQ	OSIS	Fri, Oct 24, 2008	15.01	15.23	14.51	14.78
2777	NASDAQ	OSIS	Thu, Oct 23, 2008	16.30	16.82	15.46	15.59
2776	NASDAQ	OSIS	Wed, Oct 22, 2008	16.10	16.84	16.01	16.13
2775	NASDAQ	OSIS	Tue, Oct 21, 2008	17.18	17.31	16.41	16.42
2774	NASDAQ	OSIS	Mon, Oct 20, 2008	16.93	17.50	16.70	17.40
2773	NASDAQ	OSIS	Fri, Oct 17, 2008	16.76	17.24	16.34	16.85
2772	NASDAQ	OSIS	Thu, Oct 16, 2008	16.61	17.31	16.01	17.31
2771	NASDAQ	OSIS	Wed, Oct 15, 2008	17.94	18.20	16.45	16.54
2770	NASDAQ	OSIS	Tue, Oct 14, 2008	18.30	19.14	18.01	18.24
2769	NASDAQ	OSIS	Mon, Oct 13, 2008	17.97	17.97	17.11	17.76
2768	NASDAQ	OSIS	Fri, Oct 10, 2008	16.59	18.15	16.55	17.75
2767	NASDAQ	OSIS	Thu, Oct 9, 2008	18.82	19.04	16.92	16.96
2766	NASDAQ	OSIS	Wed, Oct 8, 2008	18.86	19.36	18.29	18.57
2765	NASDAQ	OSIS	Tue, Oct 7, 2008	20.72	21.17	19.02	19.09
2764	NASDAQ	OSIS	Mon, Oct 6, 2008	21.71	21.78	20.13	20.50
2763	NASDAQ	OSIS	Fri, Oct 3, 2008	22.43	22.76	22.00	22.15
2762	NASDAQ	OSIS	Thu, Oct 2, 2008	22.96	23.53	21.96	22.13
2761	NASDAQ	OSIS	Wed, Oct 1, 2008	23.29	23.57	22.51	23.11
2760	NASDAQ	OSIS	Tue, Sep 30, 2008	23.04	23.51	22.81	23.51
2759	NASDAQ	OSIS	Mon, Sep 29, 2008	23.83	24.10	22.52	23.14
2758	NASDAQ	OSIS	Fri, Sep 26, 2008	23.99	24.24	23.58	24.06
2757	NASDAQ	OSIS	Thu, Sep 25, 2008	23.62	24.04	23.42	24.04
2756	NASDAQ	OSIS	Wed, Sep 24, 2008	23.46	23.98	22.63	23.49
2755	NASDAQ	OSIS	Tue, Sep 23, 2008	24.06	24.07	23.14	23.32
2754	NASDAQ	OSIS	Mon, Sep 22, 2008	24.41	24.49	23.70	24.11
2753	NASDAQ	OSIS	Fri, Sep 19, 2008	24.40	25.00	24.32	24.50
2752	NASDAQ	OSIS	Thu, Sep 18, 2008	23.40	23.96	22.39	23.96
2751	NASDAQ	OSIS	Wed, Sep 17, 2008	23.39	23.61	22.94	23.06
2750	NASDAQ	OSIS	Tue, Sep 16, 2008	23.25	23.70	22.75	23.60
2749	NASDAQ	OSIS	Mon, Sep 15, 2008	23.42	23.73	23.34	23.36
2748	NASDAQ	OSIS	Fri, Sep 12, 2008	23.73	23.75	23.00	23.59
2747	NASDAQ	OSIS	Thu, Sep 11, 2008	23.58	23.77	23.00	23.73
2746	NASDAQ	OSIS	Wed, Sep 10, 2008	23.89	23.95	23.42	23.79
2745	NASDAQ	OSIS	Tue, Sep 9, 2008	24.37	24.54	23.78	23.78
2744	NASDAQ	OSIS	Mon, Sep 8, 2008	23.56	24.34	23.51	24.28
2743	NASDAQ	OSIS	Fri, Sep 5, 2008	22.36	23.38	22.22	23.09
2742	NASDAQ	OSIS	Thu, Sep 4, 2008	22.87	23.31	22.06	22.50
2741	NASDAQ	OSIS	Wed, Sep 3, 2008	22.46	23.06	22.25	22.98
2740	NASDAQ	OSIS	Tue, Sep 2, 2008	23.45	23.61	22.34	22.45
2739	NASDAQ	OSIS	Fri, Aug 29, 2008	22.78	23.63	22.76	23.21
2738	NASDAQ	OSIS	Thu, Aug 28, 2008	22.96	23.41	22.92	22.93
2737	NASDAQ	OSIS	Wed, Aug 27, 2008	22.97	23.56	22.66	23.18
2736	NASDAQ	OSIS	Tue, Aug 26, 2008	23.93	23.93	22.96	23.41
2735	NASDAQ	OSIS	Mon, Aug 25, 2008	24.40	24.40	23.70	23.70
2734	NASDAQ	OSIS	Fri, Aug 22, 2008	24.46	24.55	24.08	24.44
2733	NASDAQ	OSIS	Thu, Aug 21, 2008	24.38	24.91	24.00	24.31
2732	NASDAQ	OSIS	Wed, Aug 20, 2008	24.65	25.40	24.32	24.59
2731	NASDAQ	OSIS	Tue, Aug 19, 2008	24.87	24.97	24.54	24.67
2730	NASDAQ	OSIS	Mon, Aug 18, 2008	25.30	25.56	24.73	25.01
2729	NASDAQ	OSIS	Fri, Aug 15, 2008	25.38	25.56	24.80	25.34
2728	NASDAQ	OSIS	Thu, Aug 14, 2008	24.80	25.17	24.62	25.12
2727	NASDAQ	OSIS	Wed, Aug 13, 2008	24.39	25.05	24.26	24.98
2726	NASDAQ	OSIS	Tue, Aug 12, 2008	24.84	25.03	24.30	24.36
2725	NASDAQ	OSIS	Mon, Aug 11, 2008	24.06	25.25	22.96	24.97
2724	NASDAQ	OSIS	Fri, Aug 8, 2008	23.18	24.28	22.34	23.97
2723	NASDAQ	OSIS	Thu, Aug 7, 2008	23.36	23.36	22.93	23.21
2722	NASDAQ	OSIS	Wed, Aug 6, 2008	22.67	23.57	22.19	23.55
2721	NASDAQ	OSIS	Tue, Aug 5, 2008	22.55	22.81	22.07	22.76
2720	NASDAQ	OSIS	Mon, Aug 4, 2008	21.32	22.56	21.15	22.36
2719	NASDAQ	OSIS	Fri, Aug 1, 2008	21.15	21.49	21.06	21.37
2718	NASDAQ	OSIS	Thu, Jul 31, 2008	20.84	21.20	20.75	21.07
2717	NASDAQ	OSIS	Wed, Jul 30, 2008	20.91	21.30	20.91	21.04
2716	NASDAQ	OSIS	Tue, Jul 29, 2008	21.03	21.08	20.77	20.78
2715	NASDAQ	OSIS	Mon, Jul 28, 2008	21.06	21.43	20.83	20.92
2714	NASDAQ	OSIS	Fri, Jul 25, 2008	21.25	21.30	20.96	21.18
2713	NASDAQ	OSIS	Thu, Jul 24, 2008	21.38	21.58	20.90	21.15
2712	NASDAQ	OSIS	Wed, Jul 23, 2008	21.68	21.76	21.19	21.26
2711	NASDAQ	OSIS	Tue, Jul 22, 2008	21.20	21.75	21.20	21.67
2710	NASDAQ	OSIS	Mon, Jul 21, 2008	21.21	21.53	21.16	21.37
2709	NASDAQ	OSIS	Fri, Jul 18, 2008	21.03	21.17	20.98	21.09
2708	NASDAQ	OSIS	Thu, Jul 17, 2008	21.00	21.25	20.51	21.12
2707	NASDAQ	OSIS	Wed, Jul 16, 2008	20.64	21.01	20.33	21.00
2706	NASDAQ	OSIS	Tue, Jul 15, 2008	20.41	20.94	20.29	20.64
2705	NASDAQ	OSIS	Mon, Jul 14, 2008	21.15	21.20	20.27	20.61
2704	NASDAQ	OSIS	Fri, Jul 11, 2008	20.40	21.04	20.17	21.02
2703	NASDAQ	OSIS	Thu, Jul 10, 2008	20.29	21.02	20.29	20.63
2702	NASDAQ	OSIS	Wed, Jul 9, 2008	21.05	21.05	20.38	20.38
2701	NASDAQ	OSIS	Tue, Jul 8, 2008	20.26	21.10	20.21	21.09
2700	NASDAQ	OSIS	Mon, Jul 7, 2008	20.36	20.50	19.99	20.17
2699	NASDAQ	OSIS	Thu, Jul 3, 2008	20.12	20.58	19.95	20.20
2698	NASDAQ	OSIS	Wed, Jul 2, 2008	20.70	20.73	20.05	20.11
2697	NASDAQ	OSIS	Tue, Jul 1, 2008	21.12	21.32	20.59	20.61
2696	NASDAQ	OSIS	Mon, Jun 30, 2008	20.83	21.77	20.81	21.42
2695	NASDAQ	OSIS	Fri, Jun 27, 2008	22.67	22.73	20.85	20.90
2694	NASDAQ	OSIS	Thu, Jun 26, 2008	22.55	22.82	22.55	22.77
2693	NASDAQ	OSIS	Wed, Jun 25, 2008	22.83	23.11	22.52	22.60
2692	NASDAQ	OSIS	Tue, Jun 24, 2008	24.14	24.25	22.86	22.87
2691	NASDAQ	OSIS	Mon, Jun 23, 2008	24.88	24.88	24.27	24.36
2690	NASDAQ	OSIS	Fri, Jun 20, 2008	24.79	24.96	24.49	24.83
2689	NASDAQ	OSIS	Thu, Jun 19, 2008	24.65	24.99	24.56	24.90
2688	NASDAQ	OSIS	Wed, Jun 18, 2008	24.58	24.98	24.58	24.66
2687	NASDAQ	OSIS	Tue, Jun 17, 2008	24.98	25.06	24.45	24.65
2686	NASDAQ	OSIS	Mon, Jun 16, 2008	25.02	25.16	24.78	24.96
2685	NASDAQ	OSIS	Fri, Jun 13, 2008	25.18	25.29	24.82	25.06
2684	NASDAQ	OSIS	Thu, Jun 12, 2008	24.71	25.09	24.56	24.97
2683	NASDAQ	OSIS	Wed, Jun 11, 2008	24.59	25.04	24.44	24.55
2682	NASDAQ	OSIS	Tue, Jun 10, 2008	24.66	25.21	24.56	24.74
2681	NASDAQ	OSIS	Mon, Jun 9, 2008	25.06	25.06	24.57	24.89
2680	NASDAQ	OSIS	Fri, Jun 6, 2008	25.06	25.25	25.00	25.08
2679	NASDAQ	OSIS	Thu, Jun 5, 2008	25.22	25.28	25.04	25.28
2678	NASDAQ	OSIS	Wed, Jun 4, 2008	25.13	25.25	24.84	25.25
2677	NASDAQ	OSIS	Tue, Jun 3, 2008	25.19	25.25	24.95	25.25
2676	NASDAQ	OSIS	Mon, Jun 2, 2008	25.15	25.15	24.46	25.09
2675	NASDAQ	OSIS	Fri, May 30, 2008	25.73	25.73	25.08	25.21
2674	NASDAQ	OSIS	Thu, May 29, 2008	25.81	25.91	25.57	25.75
2673	NASDAQ	OSIS	Wed, May 28, 2008	25.94	25.94	25.65	25.90
2672	NASDAQ	OSIS	Tue, May 27, 2008	25.19	25.85	25.09	25.85
2671	NASDAQ	OSIS	Fri, May 23, 2008	25.52	25.74	24.40	25.12
2670	NASDAQ	OSIS	Thu, May 22, 2008	25.64	25.91	25.13	25.79
2669	NASDAQ	OSIS	Wed, May 21, 2008	25.70	25.98	25.13	25.64
2668	NASDAQ	OSIS	Tue, May 20, 2008	25.16	26.16	25.14	25.64
2667	NASDAQ	OSIS	Mon, May 19, 2008	24.15	25.35	24.03	25.22
2666	NASDAQ	OSIS	Fri, May 16, 2008	24.07	24.42	23.61	24.21
2665	NASDAQ	OSIS	Thu, May 15, 2008	24.01	24.21	23.61	23.94
2664	NASDAQ	OSIS	Wed, May 14, 2008	24.12	24.19	23.93	24.05
2663	NASDAQ	OSIS	Tue, May 13, 2008	24.01	24.19	23.74	24.13
2662	NASDAQ	OSIS	Mon, May 12, 2008	23.73	23.95	23.51	23.95
2661	NASDAQ	OSIS	Fri, May 9, 2008	23.39	23.58	23.38	23.56
2660	NASDAQ	OSIS	Thu, May 8, 2008	23.52	23.82	23.40	23.45
2659	NASDAQ	OSIS	Wed, May 7, 2008	23.58	23.95	23.35	23.54
2658	NASDAQ	OSIS	Tue, May 6, 2008	23.55	23.81	23.38	23.51
2657	NASDAQ	OSIS	Mon, May 5, 2008	23.80	23.91	23.35	23.74
2656	NASDAQ	OSIS	Fri, May 2, 2008	24.62	24.62	23.91	23.91
2655	NASDAQ	OSIS	Thu, May 1, 2008	24.70	24.80	24.22	24.38
2654	NASDAQ	OSIS	Wed, Apr 30, 2008	23.72	24.61	23.47	24.45
2653	NASDAQ	OSIS	Tue, Apr 29, 2008	23.86	23.99	23.45	23.79
2652	NASDAQ	OSIS	Mon, Apr 28, 2008	23.77	24.06	23.71	23.83
2651	NASDAQ	OSIS	Fri, Apr 25, 2008	23.82	24.12	23.53	23.84
2650	NASDAQ	OSIS	Thu, Apr 24, 2008	23.49	24.35	23.37	24.07
2649	NASDAQ	OSIS	Wed, Apr 23, 2008	23.27	23.69	23.09	23.53
2648	NASDAQ	OSIS	Tue, Apr 22, 2008	23.31	23.48	23.09	23.22
2647	NASDAQ	OSIS	Mon, Apr 21, 2008	23.20	23.65	23.01	23.47
2646	NASDAQ	OSIS	Fri, Apr 18, 2008	23.04	23.20	22.76	23.18
2645	NASDAQ	OSIS	Thu, Apr 17, 2008	23.03	23.16	22.62	22.63
2644	NASDAQ	OSIS	Wed, Apr 16, 2008	22.50	23.23	22.37	23.20
2643	NASDAQ	OSIS	Tue, Apr 15, 2008	22.42	22.64	22.13	22.28
2642	NASDAQ	OSIS	Mon, Apr 14, 2008	22.96	23.01	22.30	22.31
2641	NASDAQ	OSIS	Fri, Apr 11, 2008	23.49	23.74	22.96	23.01
2640	NASDAQ	OSIS	Thu, Apr 10, 2008	23.81	24.05	23.46	23.70
2639	NASDAQ	OSIS	Wed, Apr 9, 2008	23.92	24.25	23.60	23.86
2638	NASDAQ	OSIS	Tue, Apr 8, 2008	23.72	24.23	23.72	23.84
2637	NASDAQ	OSIS	Mon, Apr 7, 2008	24.50	24.50	23.90	23.95
2636	NASDAQ	OSIS	Fri, Apr 4, 2008	24.00	24.62	23.98	24.38
2635	NASDAQ	OSIS	Thu, Apr 3, 2008	23.75	23.99	23.71	23.99
2634	NASDAQ	OSIS	Wed, Apr 2, 2008	23.54	23.78	22.71	23.76
2633	NASDAQ	OSIS	Tue, Apr 1, 2008	23.53	23.84	23.46	23.60
2632	NASDAQ	OSIS	Mon, Mar 31, 2008	23.13	23.28	22.75	23.02
2631	NASDAQ	OSIS	Fri, Mar 28, 2008	23.44	23.57	22.88	22.99
2630	NASDAQ	OSIS	Thu, Mar 27, 2008	22.21	23.56	22.21	23.48
2629	NASDAQ	OSIS	Wed, Mar 26, 2008	22.17	22.24	22.04	22.13
2628	NASDAQ	OSIS	Tue, Mar 25, 2008	22.64	22.67	21.96	22.35
2627	NASDAQ	OSIS	Mon, Mar 24, 2008	22.42	22.65	22.14	22.65
2626	NASDAQ	OSIS	Thu, Mar 20, 2008	22.20	22.63	21.95	22.42
2625	NASDAQ	OSIS	Wed, Mar 19, 2008	22.52	22.65	21.85	21.98
2624	NASDAQ	OSIS	Tue, Mar 18, 2008	21.79	22.50	21.63	22.40
2623	NASDAQ	OSIS	Mon, Mar 17, 2008	21.50	22.21	21.09	21.78
2622	NASDAQ	OSIS	Fri, Mar 14, 2008	22.46	22.49	21.75	22.13
2621	NASDAQ	OSIS	Thu, Mar 13, 2008	21.52	22.45	21.15	22.31
2620	NASDAQ	OSIS	Wed, Mar 12, 2008	21.32	21.73	21.29	21.63
2619	NASDAQ	OSIS	Tue, Mar 11, 2008	21.18	21.45	21.00	21.27
2618	NASDAQ	OSIS	Mon, Mar 10, 2008	20.86	21.13	20.60	20.61
2617	NASDAQ	OSIS	Fri, Mar 7, 2008	20.50	21.11	20.46	20.83
2616	NASDAQ	OSIS	Thu, Mar 6, 2008	21.18	21.37	20.70	20.70
2615	NASDAQ	OSIS	Wed, Mar 5, 2008	21.25	21.38	20.80	21.21
2614	NASDAQ	OSIS	Tue, Mar 4, 2008	20.81	21.24	20.70	21.16
2613	NASDAQ	OSIS	Mon, Mar 3, 2008	21.12	21.25	20.70	21.07
2612	NASDAQ	OSIS	Fri, Feb 29, 2008	21.30	21.49	21.10	21.15
2611	NASDAQ	OSIS	Thu, Feb 28, 2008	21.79	21.79	21.20	21.40
2610	NASDAQ	OSIS	Wed, Feb 27, 2008	22.11	22.44	21.71	21.94
2609	NASDAQ	OSIS	Tue, Feb 26, 2008	21.92	22.50	21.45	22.28
2608	NASDAQ	OSIS	Mon, Feb 25, 2008	21.64	22.26	21.31	21.96
2607	NASDAQ	OSIS	Fri, Feb 22, 2008	21.64	21.72	21.35	21.49
2606	NASDAQ	OSIS	Thu, Feb 21, 2008	22.26	22.46	21.40	21.67
2605	NASDAQ	OSIS	Wed, Feb 20, 2008	21.80	22.44	21.80	22.35
2604	NASDAQ	OSIS	Tue, Feb 19, 2008	22.48	22.91	21.93	22.00
2603	NASDAQ	OSIS	Fri, Feb 15, 2008	21.83	22.24	21.56	22.23
2602	NASDAQ	OSIS	Thu, Feb 14, 2008	23.01	23.01	21.79	21.99
2601	NASDAQ	OSIS	Wed, Feb 13, 2008	22.88	23.25	22.82	23.00
2600	NASDAQ	OSIS	Tue, Feb 12, 2008	23.19	23.40	22.76	22.91
2599	NASDAQ	OSIS	Mon, Feb 11, 2008	23.24	23.62	23.01	23.12
2598	NASDAQ	OSIS	Fri, Feb 8, 2008	23.92	24.09	23.05	23.18
2597	NASDAQ	OSIS	Thu, Feb 7, 2008	22.91	24.29	22.71	24.03
2596	NASDAQ	OSIS	Wed, Feb 6, 2008	25.41	25.46	22.90	22.99
2595	NASDAQ	OSIS	Tue, Feb 5, 2008	25.52	26.51	24.32	25.33
2594	NASDAQ	OSIS	Mon, Feb 4, 2008	23.59	24.25	23.28	24.13
2593	NASDAQ	OSIS	Fri, Feb 1, 2008	23.47	23.98	23.03	23.80
2592	NASDAQ	OSIS	Thu, Jan 31, 2008	22.11	23.49	21.87	23.33
2591	NASDAQ	OSIS	Wed, Jan 30, 2008	22.51	22.62	21.90	22.36
2590	NASDAQ	OSIS	Tue, Jan 29, 2008	22.64	22.82	21.82	22.72
2589	NASDAQ	OSIS	Mon, Jan 28, 2008	22.47	22.92	22.05	22.55
2588	NASDAQ	OSIS	Fri, Jan 25, 2008	23.31	23.31	22.43	22.56
2587	NASDAQ	OSIS	Thu, Jan 24, 2008	22.70	23.01	22.19	22.95
2586	NASDAQ	OSIS	Wed, Jan 23, 2008	21.61	22.80	21.31	22.62
2585	NASDAQ	OSIS	Tue, Jan 22, 2008	22.00	22.90	21.65	22.46
2584	NASDAQ	OSIS	Fri, Jan 18, 2008	23.41	23.90	22.68	22.92
2583	NASDAQ	OSIS	Thu, Jan 17, 2008	24.22	24.43	23.41	23.45
2582	NASDAQ	OSIS	Wed, Jan 16, 2008	23.43	25.00	23.33	24.18
2581	NASDAQ	OSIS	Tue, Jan 15, 2008	23.82	24.00	23.56	23.59
2580	NASDAQ	OSIS	Mon, Jan 14, 2008	23.78	24.26	23.47	24.11
2579	NASDAQ	OSIS	Fri, Jan 11, 2008	24.68	25.06	23.52	23.57
2578	NASDAQ	OSIS	Thu, Jan 10, 2008	24.66	25.42	24.42	24.93
2577	NASDAQ	OSIS	Wed, Jan 9, 2008	24.61	25.00	24.08	25.00
2576	NASDAQ	OSIS	Tue, Jan 8, 2008	25.13	25.31	24.65	24.72
2575	NASDAQ	OSIS	Mon, Jan 7, 2008	25.24	25.53	24.93	25.29
2574	NASDAQ	OSIS	Fri, Jan 4, 2008	25.10	25.45	24.99	25.17
2573	NASDAQ	OSIS	Thu, Jan 3, 2008	25.72	25.72	25.19	25.19
2572	NASDAQ	OSIS	Wed, Jan 2, 2008	26.37	26.37	25.32	25.62
2571	NASDAQ	OSIS	Mon, Dec 31, 2007	26.00	26.51	25.58	26.47
2570	NASDAQ	OSIS	Fri, Dec 28, 2007	26.37	26.66	26.02	26.02
2569	NASDAQ	OSIS	Thu, Dec 27, 2007	27.07	27.31	26.03	26.21
2568	NASDAQ	OSIS	Wed, Dec 26, 2007	27.04	27.36	26.32	27.07
2567	NASDAQ	OSIS	Mon, Dec 24, 2007	27.16	27.42	27.06	27.25
2566	NASDAQ	OSIS	Fri, Dec 21, 2007	26.91	27.47	26.60	27.20
2565	NASDAQ	OSIS	Thu, Dec 20, 2007	26.29	26.66	25.83	26.66
2564	NASDAQ	OSIS	Wed, Dec 19, 2007	25.85	26.41	25.66	26.04
2563	NASDAQ	OSIS	Tue, Dec 18, 2007	25.92	26.11	24.96	25.91
2562	NASDAQ	OSIS	Mon, Dec 17, 2007	26.00	26.14	25.60	25.66
2561	NASDAQ	OSIS	Fri, Dec 14, 2007	25.92	26.53	25.64	26.25
2560	NASDAQ	OSIS	Thu, Dec 13, 2007	25.96	26.45	23.90	26.30
2559	NASDAQ	OSIS	Wed, Dec 12, 2007	27.21	27.45	26.03	26.24
2558	NASDAQ	OSIS	Tue, Dec 11, 2007	26.94	27.32	26.59	26.95
2557	NASDAQ	OSIS	Mon, Dec 10, 2007	26.77	26.95	26.68	26.86
2556	NASDAQ	OSIS	Fri, Dec 7, 2007	26.13	26.77	25.39	26.75
2555	NASDAQ	OSIS	Thu, Dec 6, 2007	25.35	26.17	25.35	26.09
2554	NASDAQ	OSIS	Wed, Dec 5, 2007	24.70	25.51	24.70	25.50
2553	NASDAQ	OSIS	Tue, Dec 4, 2007	24.65	25.22	24.55	24.61
2552	NASDAQ	OSIS	Mon, Dec 3, 2007	24.75	25.73	24.56	24.98
2551	NASDAQ	OSIS	Fri, Nov 30, 2007	25.53	25.53	24.69	24.79
2550	NASDAQ	OSIS	Thu, Nov 29, 2007	25.14	25.40	24.85	25.27
2549	NASDAQ	OSIS	Wed, Nov 28, 2007	24.17	25.31	23.93	25.30
2548	NASDAQ	OSIS	Tue, Nov 27, 2007	24.28	24.31	23.71	23.97
2547	NASDAQ	OSIS	Mon, Nov 26, 2007	24.23	24.66	23.98	24.19
2546	NASDAQ	OSIS	Fri, Nov 23, 2007	24.46	24.46	23.93	24.23
2545	NASDAQ	OSIS	Wed, Nov 21, 2007	24.39	24.67	23.90	24.22
2544	NASDAQ	OSIS	Tue, Nov 20, 2007	24.10	24.97	24.10	24.65
2543	NASDAQ	OSIS	Mon, Nov 19, 2007	24.43	24.70	24.00	24.31
2542	NASDAQ	OSIS	Fri, Nov 16, 2007	24.77	24.95	24.62	24.75
2541	NASDAQ	OSIS	Thu, Nov 15, 2007	24.92	24.92	24.33	24.68
2540	NASDAQ	OSIS	Wed, Nov 14, 2007	25.18	25.22	24.77	25.05
2539	NASDAQ	OSIS	Tue, Nov 13, 2007	24.90	25.32	24.71	24.99
2538	NASDAQ	OSIS	Mon, Nov 12, 2007	25.20	25.40	24.49	24.69
2537	NASDAQ	OSIS	Fri, Nov 9, 2007	24.66	25.48	24.40	25.20
2536	NASDAQ	OSIS	Thu, Nov 8, 2007	25.25	25.41	24.78	25.13
2535	NASDAQ	OSIS	Wed, Nov 7, 2007	25.43	25.91	24.96	25.05
2534	NASDAQ	OSIS	Tue, Nov 6, 2007	23.73	26.13	23.73	25.85
2533	NASDAQ	OSIS	Mon, Nov 5, 2007	23.97	24.47	23.60	23.83
2532	NASDAQ	OSIS	Fri, Nov 2, 2007	24.55	24.92	24.02	24.06
2531	NASDAQ	OSIS	Thu, Nov 1, 2007	24.69	25.00	24.18	24.54
2530	NASDAQ	OSIS	Wed, Oct 31, 2007	24.40	25.24	24.11	25.03
2529	NASDAQ	OSIS	Tue, Oct 30, 2007	23.80	24.40	23.80	24.39
2528	NASDAQ	OSIS	Mon, Oct 29, 2007	23.69	24.15	23.51	23.95
2527	NASDAQ	OSIS	Fri, Oct 26, 2007	23.61	23.82	23.10	23.61
2526	NASDAQ	OSIS	Thu, Oct 25, 2007	23.00	23.49	22.75	23.08
2525	NASDAQ	OSIS	Wed, Oct 24, 2007	23.03	23.07	22.48	22.86
2524	NASDAQ	OSIS	Tue, Oct 23, 2007	23.19	23.34	22.82	23.30
2523	NASDAQ	OSIS	Mon, Oct 22, 2007	22.74	23.12	22.50	23.09
2522	NASDAQ	OSIS	Fri, Oct 19, 2007	23.91	23.94	22.86	23.00
2521	NASDAQ	OSIS	Thu, Oct 18, 2007	23.53	24.08	23.49	23.92
2520	NASDAQ	OSIS	Wed, Oct 17, 2007	24.09	24.09	23.62	23.76
2519	NASDAQ	OSIS	Tue, Oct 16, 2007	24.16	24.33	23.72	24.00
2518	NASDAQ	OSIS	Mon, Oct 15, 2007	24.02	24.33	23.81	24.32
2517	NASDAQ	OSIS	Fri, Oct 12, 2007	23.73	24.25	23.73	24.10
2516	NASDAQ	OSIS	Thu, Oct 11, 2007	24.04	24.09	23.65	23.78
2515	NASDAQ	OSIS	Wed, Oct 10, 2007	23.79	24.02	23.64	23.93
2514	NASDAQ	OSIS	Tue, Oct 9, 2007	23.90	24.04	23.65	23.89
2513	NASDAQ	OSIS	Mon, Oct 8, 2007	23.79	24.04	23.61	23.93
2512	NASDAQ	OSIS	Fri, Oct 5, 2007	24.01	24.22	23.71	23.91
2511	NASDAQ	OSIS	Thu, Oct 4, 2007	23.88	23.93	23.35	23.70
2510	NASDAQ	OSIS	Wed, Oct 3, 2007	23.49	24.24	23.49	23.83
2509	NASDAQ	OSIS	Tue, Oct 2, 2007	23.28	23.50	23.15	23.50
2508	NASDAQ	OSIS	Mon, Oct 1, 2007	22.38	23.39	22.38	23.35
2507	NASDAQ	OSIS	Fri, Sep 28, 2007	21.95	23.12	21.95	22.51
2506	NASDAQ	OSIS	Thu, Sep 27, 2007	22.03	22.19	21.84	22.01
2505	NASDAQ	OSIS	Wed, Sep 26, 2007	21.98	22.18	21.82	21.98
2504	NASDAQ	OSIS	Tue, Sep 25, 2007	21.92	22.49	21.61	21.88
2503	NASDAQ	OSIS	Mon, Sep 24, 2007	22.00	22.18	21.76	22.16
2502	NASDAQ	OSIS	Fri, Sep 21, 2007	21.99	22.29	21.85	21.95
2501	NASDAQ	OSIS	Thu, Sep 20, 2007	21.33	22.14	21.23	21.78
2500	NASDAQ	OSIS	Wed, Sep 19, 2007	20.97	21.69	20.83	21.33
2499	NASDAQ	OSIS	Tue, Sep 18, 2007	20.00	20.90	19.64	20.90
2498	NASDAQ	OSIS	Mon, Sep 17, 2007	20.66	20.66	20.00	20.02
2497	NASDAQ	OSIS	Fri, Sep 14, 2007	20.46	20.88	20.46	20.68
2496	NASDAQ	OSIS	Thu, Sep 13, 2007	20.72	21.00	20.31	20.71
2495	NASDAQ	OSIS	Wed, Sep 12, 2007	21.01	21.17	20.58	20.59
2494	NASDAQ	OSIS	Tue, Sep 11, 2007	20.63	21.19	20.60	21.08
2493	NASDAQ	OSIS	Mon, Sep 10, 2007	21.32	21.44	20.38	20.65
2492	NASDAQ	OSIS	Fri, Sep 7, 2007	21.25	21.29	20.38	21.24
2491	NASDAQ	OSIS	Thu, Sep 6, 2007	20.86	21.81	20.59	21.80
2490	NASDAQ	OSIS	Wed, Sep 5, 2007	24.00	24.07	20.25	20.56
2489	NASDAQ	OSIS	Tue, Sep 4, 2007	25.08	25.75	24.67	25.56
2488	NASDAQ	OSIS	Fri, Aug 31, 2007	24.97	25.10	24.40	24.91
2487	NASDAQ	OSIS	Thu, Aug 30, 2007	24.40	25.00	24.31	24.51
2486	NASDAQ	OSIS	Wed, Aug 29, 2007	24.83	25.04	24.32	24.69
2485	NASDAQ	OSIS	Tue, Aug 28, 2007	25.16	25.31	24.62	24.69
2484	NASDAQ	OSIS	Mon, Aug 27, 2007	25.05	25.45	25.00	25.42
2483	NASDAQ	OSIS	Fri, Aug 24, 2007	24.66	25.19	24.23	25.12
2482	NASDAQ	OSIS	Thu, Aug 23, 2007	25.98	25.98	24.65	24.69
2481	NASDAQ	OSIS	Wed, Aug 22, 2007	26.20	26.38	25.33	25.93
2480	NASDAQ	OSIS	Tue, Aug 21, 2007	25.52	26.37	25.52	26.11
2479	NASDAQ	OSIS	Mon, Aug 20, 2007	26.07	26.59	25.67	25.84
2478	NASDAQ	OSIS	Fri, Aug 17, 2007	27.07	27.11	25.31	25.90
2477	NASDAQ	OSIS	Thu, Aug 16, 2007	24.62	26.27	24.07	26.17
2476	NASDAQ	OSIS	Wed, Aug 15, 2007	24.67	25.63	24.64	24.79
2475	NASDAQ	OSIS	Tue, Aug 14, 2007	24.89	25.79	24.75	24.81
2474	NASDAQ	OSIS	Mon, Aug 13, 2007	25.20	25.26	24.60	24.87
2473	NASDAQ	OSIS	Fri, Aug 10, 2007	25.20	26.11	24.60	24.98
2472	NASDAQ	OSIS	Thu, Aug 9, 2007	25.25	27.51	25.20	25.37
2471	NASDAQ	OSIS	Wed, Aug 8, 2007	23.65	27.82	23.65	25.47
2470	NASDAQ	OSIS	Tue, Aug 7, 2007	23.59	24.19	23.46	23.57
2469	NASDAQ	OSIS	Mon, Aug 6, 2007	24.25	24.53	23.53	23.74
2468	NASDAQ	OSIS	Fri, Aug 3, 2007	25.21	25.73	24.25	24.30
2467	NASDAQ	OSIS	Thu, Aug 2, 2007	25.33	25.79	25.09	25.32
2466	NASDAQ	OSIS	Wed, Aug 1, 2007	24.59	25.52	24.59	25.23
2465	NASDAQ	OSIS	Tue, Jul 31, 2007	25.28	25.81	24.72	24.76
2464	NASDAQ	OSIS	Mon, Jul 30, 2007	24.69	25.42	24.14	25.32
2463	NASDAQ	OSIS	Fri, Jul 27, 2007	25.00	25.29	24.50	24.68
2462	NASDAQ	OSIS	Thu, Jul 26, 2007	25.49	25.61	24.70	25.11
2461	NASDAQ	OSIS	Wed, Jul 25, 2007	25.95	26.50	25.51	26.15
2460	NASDAQ	OSIS	Tue, Jul 24, 2007	26.58	26.91	25.57	25.79
2459	NASDAQ	OSIS	Mon, Jul 23, 2007	27.15	27.40	26.90	26.92
2458	NASDAQ	OSIS	Fri, Jul 20, 2007	27.49	27.51	26.91	27.06
2457	NASDAQ	OSIS	Thu, Jul 19, 2007	27.72	27.80	27.30	27.55
2456	NASDAQ	OSIS	Wed, Jul 18, 2007	27.55	27.77	27.00	27.71
2455	NASDAQ	OSIS	Tue, Jul 17, 2007	27.46	27.97	26.55	27.76
2454	NASDAQ	OSIS	Mon, Jul 16, 2007	28.12	28.36	28.00	28.01
2453	NASDAQ	OSIS	Fri, Jul 13, 2007	28.40	28.40	27.87	28.33
2452	NASDAQ	OSIS	Thu, Jul 12, 2007	27.76	28.57	27.53	28.55
2451	NASDAQ	OSIS	Wed, Jul 11, 2007	27.70	27.95	27.45	27.53
2450	NASDAQ	OSIS	Tue, Jul 10, 2007	27.26	27.85	27.07	27.40
2449	NASDAQ	OSIS	Mon, Jul 9, 2007	27.46	27.84	27.09	27.25
2448	NASDAQ	OSIS	Fri, Jul 6, 2007	27.73	27.80	27.18	27.35
2447	NASDAQ	OSIS	Thu, Jul 5, 2007	27.97	27.98	27.51	27.80
2446	NASDAQ	OSIS	Tue, Jul 3, 2007	27.43	28.00	27.43	27.97
2445	NASDAQ	OSIS	Mon, Jul 2, 2007	27.50	28.00	27.31	27.45
2444	NASDAQ	OSIS	Fri, Jun 29, 2007	27.52	27.91	27.01	27.35
2443	NASDAQ	OSIS	Thu, Jun 28, 2007	27.40	27.55	27.14	27.47
2442	NASDAQ	OSIS	Wed, Jun 27, 2007	26.79	27.44	26.77	27.33
2441	NASDAQ	OSIS	Tue, Jun 26, 2007	26.80	27.20	26.58	26.96
2440	NASDAQ	OSIS	Mon, Jun 25, 2007	27.17	27.68	26.67	26.69
2439	NASDAQ	OSIS	Fri, Jun 22, 2007	27.04	27.04	26.80	26.91
2438	NASDAQ	OSIS	Thu, Jun 21, 2007	27.26	27.56	26.90	27.04
2437	NASDAQ	OSIS	Wed, Jun 20, 2007	28.01	28.31	27.33	27.41
2436	NASDAQ	OSIS	Tue, Jun 19, 2007	28.03	28.28	27.64	27.91
2435	NASDAQ	OSIS	Mon, Jun 18, 2007	28.26	28.43	27.97	28.23
2434	NASDAQ	OSIS	Fri, Jun 15, 2007	28.24	28.30	28.02	28.26
2433	NASDAQ	OSIS	Thu, Jun 14, 2007	27.89	28.19	27.82	27.85
2432	NASDAQ	OSIS	Wed, Jun 13, 2007	27.30	27.93	27.17	27.87
2431	NASDAQ	OSIS	Tue, Jun 12, 2007	27.35	27.42	26.89	27.12
2430	NASDAQ	OSIS	Mon, Jun 11, 2007	27.64	27.98	27.37	27.45
2429	NASDAQ	OSIS	Fri, Jun 8, 2007	27.17	27.89	27.17	27.72
2428	NASDAQ	OSIS	Thu, Jun 7, 2007	27.51	27.90	26.90	27.23
2427	NASDAQ	OSIS	Wed, Jun 6, 2007	27.55	27.79	27.31	27.61
2426	NASDAQ	OSIS	Tue, Jun 5, 2007	28.64	28.83	27.51	27.77
2425	NASDAQ	OSIS	Mon, Jun 4, 2007	28.17	28.67	28.00	28.53
2424	NASDAQ	OSIS	Fri, Jun 1, 2007	26.98	28.60	26.78	28.39
2423	NASDAQ	OSIS	Thu, May 31, 2007	26.63	26.96	26.28	26.77
2422	NASDAQ	OSIS	Wed, May 30, 2007	26.77	26.93	26.53	26.61
2421	NASDAQ	OSIS	Tue, May 29, 2007	27.07	27.33	26.82	27.00
2420	NASDAQ	OSIS	Fri, May 25, 2007	26.78	27.33	26.55	26.95
2419	NASDAQ	OSIS	Thu, May 24, 2007	27.51	27.71	26.56	26.72
2418	NASDAQ	OSIS	Wed, May 23, 2007	27.75	28.21	27.53	27.57
2417	NASDAQ	OSIS	Tue, May 22, 2007	28.23	28.23	27.60	27.72
2416	NASDAQ	OSIS	Mon, May 21, 2007	27.75	28.40	27.64	28.14
2415	NASDAQ	OSIS	Fri, May 18, 2007	27.73	27.98	27.50	27.90
2414	NASDAQ	OSIS	Thu, May 17, 2007	28.12	28.12	27.57	27.59
2413	NASDAQ	OSIS	Wed, May 16, 2007	27.80	28.10	27.51	28.10
2412	NASDAQ	OSIS	Tue, May 15, 2007	28.40	28.88	27.79	27.79
2411	NASDAQ	OSIS	Mon, May 14, 2007	28.92	29.20	28.28	28.38
2410	NASDAQ	OSIS	Fri, May 11, 2007	28.22	28.82	28.10	28.80
2409	NASDAQ	OSIS	Thu, May 10, 2007	29.22	29.28	27.91	28.05
2408	NASDAQ	OSIS	Wed, May 9, 2007	27.26	29.80	27.11	29.22
2407	NASDAQ	OSIS	Tue, May 8, 2007	27.00	27.98	27.00	27.18
2406	NASDAQ	OSIS	Mon, May 7, 2007	26.00	26.70	25.56	26.49
2405	NASDAQ	OSIS	Fri, May 4, 2007	26.19	26.42	26.02	26.38
2404	NASDAQ	OSIS	Thu, May 3, 2007	26.49	26.49	26.09	26.09
2403	NASDAQ	OSIS	Wed, May 2, 2007	26.35	26.65	26.25	26.39
2402	NASDAQ	OSIS	Tue, May 1, 2007	26.40	26.70	26.34	26.43
2401	NASDAQ	OSIS	Mon, Apr 30, 2007	27.12	27.28	26.39	26.41
2400	NASDAQ	OSIS	Fri, Apr 27, 2007	26.91	27.19	26.71	27.04
2399	NASDAQ	OSIS	Thu, Apr 26, 2007	26.97	27.11	26.71	27.04
2398	NASDAQ	OSIS	Wed, Apr 25, 2007	27.10	27.19	26.76	26.89
2397	NASDAQ	OSIS	Tue, Apr 24, 2007	27.10	27.14	26.75	26.94
2396	NASDAQ	OSIS	Mon, Apr 23, 2007	27.19	27.19	26.84	27.03
2395	NASDAQ	OSIS	Fri, Apr 20, 2007	27.08	27.23	26.97	27.07
2394	NASDAQ	OSIS	Thu, Apr 19, 2007	26.89	27.06	26.51	26.70
2393	NASDAQ	OSIS	Wed, Apr 18, 2007	26.81	27.18	26.70	27.01
2392	NASDAQ	OSIS	Tue, Apr 17, 2007	27.40	27.43	26.75	26.91
2391	NASDAQ	OSIS	Mon, Apr 16, 2007	27.09	27.40	27.04	27.37
2390	NASDAQ	OSIS	Fri, Apr 13, 2007	26.47	26.93	26.47	26.93
2389	NASDAQ	OSIS	Thu, Apr 12, 2007	26.55	26.58	26.24	26.34
2388	NASDAQ	OSIS	Wed, Apr 11, 2007	26.50	26.64	26.30	26.45
2387	NASDAQ	OSIS	Tue, Apr 10, 2007	26.33	26.55	26.25	26.50
2386	NASDAQ	OSIS	Mon, Apr 9, 2007	26.28	26.31	26.05	26.24
2385	NASDAQ	OSIS	Thu, Apr 5, 2007	26.27	26.41	26.06	26.20
2384	NASDAQ	OSIS	Wed, Apr 4, 2007	26.58	26.77	26.29	26.35
2383	NASDAQ	OSIS	Tue, Apr 3, 2007	26.44	26.97	26.44	26.52
2382	NASDAQ	OSIS	Mon, Apr 2, 2007	26.46	26.46	26.05	26.38
2381	NASDAQ	OSIS	Fri, Mar 30, 2007	25.88	26.44	25.88	26.44
2380	NASDAQ	OSIS	Thu, Mar 29, 2007	26.29	26.34	25.50	25.93
2379	NASDAQ	OSIS	Wed, Mar 28, 2007	25.98	26.21	25.58	26.16
2378	NASDAQ	OSIS	Tue, Mar 27, 2007	26.09	26.27	26.00	26.10
2377	NASDAQ	OSIS	Mon, Mar 26, 2007	25.85	26.11	25.64	26.04
2376	NASDAQ	OSIS	Fri, Mar 23, 2007	25.74	25.93	25.48	25.77
2375	NASDAQ	OSIS	Thu, Mar 22, 2007	25.87	25.87	25.41	25.80
2374	NASDAQ	OSIS	Wed, Mar 21, 2007	25.10	25.90	24.99	25.89
2373	NASDAQ	OSIS	Tue, Mar 20, 2007	25.33	25.39	24.86	25.10
2372	NASDAQ	OSIS	Mon, Mar 19, 2007	25.04	25.60	25.04	25.49
2371	NASDAQ	OSIS	Fri, Mar 16, 2007	24.61	25.10	24.31	25.01
2370	NASDAQ	OSIS	Thu, Mar 15, 2007	24.16	24.81	24.16	24.65
2369	NASDAQ	OSIS	Wed, Mar 14, 2007	24.29	24.42	23.60	24.28
2368	NASDAQ	OSIS	Tue, Mar 13, 2007	24.96	25.13	24.18	24.39
2367	NASDAQ	OSIS	Mon, Mar 12, 2007	24.99	25.23	24.84	25.03
2366	NASDAQ	OSIS	Fri, Mar 9, 2007	25.00	25.41	24.86	25.13
2365	NASDAQ	OSIS	Thu, Mar 8, 2007	24.59	25.19	24.59	24.86
2364	NASDAQ	OSIS	Wed, Mar 7, 2007	24.73	25.21	24.43	24.43
2363	NASDAQ	OSIS	Tue, Mar 6, 2007	24.28	24.90	24.12	24.57
2362	NASDAQ	OSIS	Mon, Mar 5, 2007	24.35	24.83	23.97	24.01
2361	NASDAQ	OSIS	Fri, Mar 2, 2007	24.99	25.14	24.30	24.55
2360	NASDAQ	OSIS	Thu, Mar 1, 2007	24.60	25.22	24.50	25.08
2359	NASDAQ	OSIS	Wed, Feb 28, 2007	25.28	25.47	24.58	25.00
2358	NASDAQ	OSIS	Tue, Feb 27, 2007	26.41	26.41	24.95	25.34
2357	NASDAQ	OSIS	Mon, Feb 26, 2007	26.03	27.97	25.57	27.49
2356	NASDAQ	OSIS	Fri, Feb 23, 2007	26.34	26.34	25.60	26.04
2355	NASDAQ	OSIS	Thu, Feb 22, 2007	26.30	26.43	25.81	26.31
2354	NASDAQ	OSIS	Wed, Feb 21, 2007	25.90	26.92	25.85	26.25
2353	NASDAQ	OSIS	Tue, Feb 20, 2007	25.80	26.10	25.31	26.07
2352	NASDAQ	OSIS	Fri, Feb 16, 2007	25.02	25.80	24.84	25.79
2351	NASDAQ	OSIS	Thu, Feb 15, 2007	24.60	25.09	24.26	25.01
2350	NASDAQ	OSIS	Wed, Feb 14, 2007	24.16	24.75	24.16	24.67
2349	NASDAQ	OSIS	Tue, Feb 13, 2007	24.31	24.56	24.14	24.24
2348	NASDAQ	OSIS	Mon, Feb 12, 2007	24.89	25.00	24.30	24.38
2347	NASDAQ	OSIS	Fri, Feb 9, 2007	24.91	25.05	24.73	24.98
2346	NASDAQ	OSIS	Thu, Feb 8, 2007	24.84	25.04	24.50	24.96
2345	NASDAQ	OSIS	Wed, Feb 7, 2007	23.94	25.05	23.80	24.94
2344	NASDAQ	OSIS	Tue, Feb 6, 2007	23.93	24.06	23.81	24.02
2343	NASDAQ	OSIS	Mon, Feb 5, 2007	24.43	24.54	23.60	23.81
2342	NASDAQ	OSIS	Fri, Feb 2, 2007	23.78	24.26	23.77	24.18
2341	NASDAQ	OSIS	Thu, Feb 1, 2007	24.00	24.00	23.46	23.65
2340	NASDAQ	OSIS	Wed, Jan 31, 2007	22.65	24.17	22.53	23.98
2339	NASDAQ	OSIS	Tue, Jan 30, 2007	22.37	22.71	22.17	22.61
2338	NASDAQ	OSIS	Mon, Jan 29, 2007	22.35	22.51	21.95	22.24
2337	NASDAQ	OSIS	Fri, Jan 26, 2007	22.38	22.49	22.10	22.44
2336	NASDAQ	OSIS	Thu, Jan 25, 2007	22.28	22.57	22.11	22.25
2335	NASDAQ	OSIS	Wed, Jan 24, 2007	21.36	22.55	21.33	22.09
2334	NASDAQ	OSIS	Tue, Jan 23, 2007	20.78	20.99	20.57	20.74
2333	NASDAQ	OSIS	Mon, Jan 22, 2007	21.12	21.28	20.59	20.65
2332	NASDAQ	OSIS	Fri, Jan 19, 2007	21.15	21.44	21.01	21.13
2331	NASDAQ	OSIS	Thu, Jan 18, 2007	21.55	21.74	21.16	21.22
2330	NASDAQ	OSIS	Wed, Jan 17, 2007	21.38	21.72	21.16	21.56
2329	NASDAQ	OSIS	Tue, Jan 16, 2007	21.70	21.93	21.25	21.40
2328	NASDAQ	OSIS	Fri, Jan 12, 2007	21.75	22.00	21.55	21.66
2327	NASDAQ	OSIS	Thu, Jan 11, 2007	21.77	21.90	21.58	21.72
2326	NASDAQ	OSIS	Wed, Jan 10, 2007	21.20	21.88	21.10	21.70
2325	NASDAQ	OSIS	Tue, Jan 9, 2007	21.39	21.62	21.35	21.40
2324	NASDAQ	OSIS	Mon, Jan 8, 2007	21.30	21.70	21.18	21.50
2323	NASDAQ	OSIS	Fri, Jan 5, 2007	20.91	21.37	20.91	21.26
2322	NASDAQ	OSIS	Thu, Jan 4, 2007	20.20	21.03	20.20	20.96
2321	NASDAQ	OSIS	Wed, Jan 3, 2007	21.17	21.17	20.09	20.19
2320	NASDAQ	OSIS	Fri, Dec 29, 2006	20.99	21.27	20.84	20.93
2319	NASDAQ	OSIS	Thu, Dec 28, 2006	21.20	21.20	20.92	21.06
2318	NASDAQ	OSIS	Wed, Dec 27, 2006	21.10	21.22	21.06	21.18
2317	NASDAQ	OSIS	Tue, Dec 26, 2006	20.92	21.21	20.91	21.12
2316	NASDAQ	OSIS	Fri, Dec 22, 2006	21.04	21.16	20.75	20.99
2315	NASDAQ	OSIS	Thu, Dec 21, 2006	20.57	21.10	20.54	21.08
2314	NASDAQ	OSIS	Wed, Dec 20, 2006	20.44	20.84	20.37	20.50
2313	NASDAQ	OSIS	Tue, Dec 19, 2006	20.61	20.68	20.02	20.40
2312	NASDAQ	OSIS	Mon, Dec 18, 2006	19.61	19.86	18.84	18.92
2311	NASDAQ	OSIS	Fri, Dec 15, 2006	19.55	19.82	19.53	19.75
2310	NASDAQ	OSIS	Thu, Dec 14, 2006	19.31	19.90	19.31	19.52
2309	NASDAQ	OSIS	Wed, Dec 13, 2006	19.52	19.78	19.21	19.33
2308	NASDAQ	OSIS	Tue, Dec 12, 2006	19.62	20.00	19.38	19.40
2307	NASDAQ	OSIS	Mon, Dec 11, 2006	19.09	19.95	19.00	19.56
2306	NASDAQ	OSIS	Fri, Dec 8, 2006	18.68	19.29	18.57	18.83
2305	NASDAQ	OSIS	Thu, Dec 7, 2006	18.75	18.80	18.53	18.65
2304	NASDAQ	OSIS	Wed, Dec 6, 2006	18.65	18.91	18.62	18.69
2303	NASDAQ	OSIS	Tue, Dec 5, 2006	18.80	19.08	18.67	18.73
2302	NASDAQ	OSIS	Mon, Dec 4, 2006	18.66	18.97	18.66	18.71
2301	NASDAQ	OSIS	Fri, Dec 1, 2006	18.98	18.98	18.64	18.65
2300	NASDAQ	OSIS	Thu, Nov 30, 2006	19.15	19.29	18.98	18.99
2299	NASDAQ	OSIS	Wed, Nov 29, 2006	19.24	19.39	19.06	19.14
2298	NASDAQ	OSIS	Tue, Nov 28, 2006	19.00	19.25	19.00	19.25
2297	NASDAQ	OSIS	Mon, Nov 27, 2006	19.42	19.63	19.00	19.03
2296	NASDAQ	OSIS	Fri, Nov 24, 2006	19.39	19.64	19.39	19.49
2295	NASDAQ	OSIS	Wed, Nov 22, 2006	19.46	19.70	19.40	19.56
2294	NASDAQ	OSIS	Tue, Nov 21, 2006	19.67	19.74	19.40	19.50
2293	NASDAQ	OSIS	Mon, Nov 20, 2006	20.00	20.17	19.60	19.75
2292	NASDAQ	OSIS	Fri, Nov 17, 2006	20.30	20.30	19.77	19.95
2291	NASDAQ	OSIS	Thu, Nov 16, 2006	20.18	20.49	20.18	20.27
2290	NASDAQ	OSIS	Wed, Nov 15, 2006	20.29	20.51	20.04	20.16
2289	NASDAQ	OSIS	Tue, Nov 14, 2006	19.74	20.24	19.73	20.23
2288	NASDAQ	OSIS	Mon, Nov 13, 2006	19.62	19.78	19.51	19.74
2287	NASDAQ	OSIS	Fri, Nov 10, 2006	19.23	19.75	19.17	19.62
2286	NASDAQ	OSIS	Thu, Nov 9, 2006	20.07	20.07	19.19	19.27
2285	NASDAQ	OSIS	Wed, Nov 8, 2006	19.55	20.18	19.39	20.07
2284	NASDAQ	OSIS	Tue, Nov 7, 2006	20.18	20.60	20.00	20.22
2283	NASDAQ	OSIS	Mon, Nov 6, 2006	20.26	20.53	20.15	20.17
2282	NASDAQ	OSIS	Fri, Nov 3, 2006	20.22	20.49	20.05	20.23
2281	NASDAQ	OSIS	Thu, Nov 2, 2006	20.18	20.59	20.18	20.29
2280	NASDAQ	OSIS	Wed, Nov 1, 2006	20.53	20.98	20.20	20.27
2279	NASDAQ	OSIS	Tue, Oct 31, 2006	21.41	21.48	20.68	20.70
2278	NASDAQ	OSIS	Mon, Oct 30, 2006	21.00	21.57	21.00	21.32
2277	NASDAQ	OSIS	Fri, Oct 27, 2006	21.42	21.51	21.01	21.01
2276	NASDAQ	OSIS	Thu, Oct 26, 2006	20.90	21.74	20.82	21.42
2275	NASDAQ	OSIS	Wed, Oct 25, 2006	20.89	21.18	20.70	20.96
2274	NASDAQ	OSIS	Tue, Oct 24, 2006	21.17	21.22	20.63	20.83
2273	NASDAQ	OSIS	Mon, Oct 23, 2006	21.28	21.47	20.99	21.18
2272	NASDAQ	OSIS	Fri, Oct 20, 2006	21.23	21.56	21.10	21.52
2271	NASDAQ	OSIS	Thu, Oct 19, 2006	21.41	21.60	21.05	21.14
2270	NASDAQ	OSIS	Wed, Oct 18, 2006	21.35	21.74	21.15	21.32
2269	NASDAQ	OSIS	Tue, Oct 17, 2006	21.25	21.42	20.92	21.28
2268	NASDAQ	OSIS	Mon, Oct 16, 2006	21.20	21.54	21.20	21.45
2267	NASDAQ	OSIS	Fri, Oct 13, 2006	21.50	21.56	21.15	21.27
2266	NASDAQ	OSIS	Thu, Oct 12, 2006	20.65	21.47	20.65	21.42
2265	NASDAQ	OSIS	Wed, Oct 11, 2006	21.05	21.17	20.23	20.60
2264	NASDAQ	OSIS	Tue, Oct 10, 2006	20.94	21.64	20.65	21.21
2263	NASDAQ	OSIS	Mon, Oct 9, 2006	20.23	20.39	20.14	20.32
2262	NASDAQ	OSIS	Fri, Oct 6, 2006	20.51	20.62	20.30	20.33
2261	NASDAQ	OSIS	Thu, Oct 5, 2006	20.20	20.71	20.08	20.63
2260	NASDAQ	OSIS	Wed, Oct 4, 2006	19.69	20.28	19.66	20.23
2259	NASDAQ	OSIS	Tue, Oct 3, 2006	19.48	20.15	19.36	19.67
2258	NASDAQ	OSIS	Mon, Oct 2, 2006	19.63	20.25	19.40	19.47
2257	NASDAQ	OSIS	Fri, Sep 29, 2006	19.64	19.85	19.57	19.60
2256	NASDAQ	OSIS	Thu, Sep 28, 2006	18.93	19.68	18.93	19.57
2255	NASDAQ	OSIS	Wed, Sep 27, 2006	19.24	19.24	18.83	18.99
2254	NASDAQ	OSIS	Tue, Sep 26, 2006	19.13	19.25	18.79	19.25
2253	NASDAQ	OSIS	Mon, Sep 25, 2006	18.84	19.15	18.61	19.08
2252	NASDAQ	OSIS	Fri, Sep 22, 2006	19.15	19.15	18.65	18.88
2251	NASDAQ	OSIS	Thu, Sep 21, 2006	19.09	19.54	18.86	19.10
2250	NASDAQ	OSIS	Wed, Sep 20, 2006	18.37	19.10	18.37	18.89
2249	NASDAQ	OSIS	Tue, Sep 19, 2006	18.16	18.45	18.00	18.16
2248	NASDAQ	OSIS	Mon, Sep 18, 2006	17.64	18.06	17.50	18.04
2247	NASDAQ	OSIS	Fri, Sep 15, 2006	17.91	17.94	17.48	17.75
2246	NASDAQ	OSIS	Thu, Sep 14, 2006	18.10	18.23	17.70	17.78
2245	NASDAQ	OSIS	Wed, Sep 13, 2006	18.65	18.90	18.02	18.20
2244	NASDAQ	OSIS	Tue, Sep 12, 2006	19.11	19.50	18.87	19.22
2243	NASDAQ	OSIS	Mon, Sep 11, 2006	19.41	19.89	19.14	19.23
2242	NASDAQ	OSIS	Fri, Sep 8, 2006	18.98	19.61	18.79	19.59
2241	NASDAQ	OSIS	Thu, Sep 7, 2006	18.70	19.10	18.56	18.98
2240	NASDAQ	OSIS	Wed, Sep 6, 2006	19.28	19.30	18.70	18.70
2239	NASDAQ	OSIS	Tue, Sep 5, 2006	19.62	19.82	19.28	19.44
2238	NASDAQ	OSIS	Fri, Sep 1, 2006	19.76	19.87	19.56	19.68
2237	NASDAQ	OSIS	Thu, Aug 31, 2006	19.50	19.96	19.50	19.69
2236	NASDAQ	OSIS	Wed, Aug 30, 2006	19.59	19.92	19.44	19.65
2235	NASDAQ	OSIS	Tue, Aug 29, 2006	19.34	19.70	19.21	19.62
2234	NASDAQ	OSIS	Mon, Aug 28, 2006	19.23	19.25	18.85	19.23
2233	NASDAQ	OSIS	Fri, Aug 25, 2006	18.77	19.25	18.59	19.23
2232	NASDAQ	OSIS	Thu, Aug 24, 2006	18.97	19.00	18.53	18.76
2231	NASDAQ	OSIS	Wed, Aug 23, 2006	19.40	19.41	18.85	18.86
2230	NASDAQ	OSIS	Tue, Aug 22, 2006	18.98	19.31	18.98	19.19
2229	NASDAQ	OSIS	Mon, Aug 21, 2006	19.56	19.60	18.98	18.99
2228	NASDAQ	OSIS	Fri, Aug 18, 2006	19.45	19.66	19.11	19.30
2227	NASDAQ	OSIS	Thu, Aug 17, 2006	19.30	19.66	19.20	19.41
2226	NASDAQ	OSIS	Wed, Aug 16, 2006	19.50	19.52	19.10	19.27
2225	NASDAQ	OSIS	Tue, Aug 15, 2006	19.28	19.47	19.11	19.45
2224	NASDAQ	OSIS	Mon, Aug 14, 2006	19.19	19.44	18.87	19.03
2223	NASDAQ	OSIS	Fri, Aug 11, 2006	19.48	19.49	18.85	18.92
2222	NASDAQ	OSIS	Thu, Aug 10, 2006	18.39	19.60	18.21	19.14
2221	NASDAQ	OSIS	Wed, Aug 9, 2006	18.16	18.17	17.48	17.55
2220	NASDAQ	OSIS	Tue, Aug 8, 2006	18.38	18.46	18.00	18.03
2219	NASDAQ	OSIS	Mon, Aug 7, 2006	18.41	18.47	18.06	18.36
2218	NASDAQ	OSIS	Fri, Aug 4, 2006	18.90	19.08	18.01	18.45
2217	NASDAQ	OSIS	Thu, Aug 3, 2006	17.98	18.71	17.98	18.66
2216	NASDAQ	OSIS	Wed, Aug 2, 2006	18.43	18.43	18.10	18.18
2215	NASDAQ	OSIS	Tue, Aug 1, 2006	17.98	18.40	17.71	18.27
2214	NASDAQ	OSIS	Mon, Jul 31, 2006	17.72	18.00	17.40	17.99
2213	NASDAQ	OSIS	Fri, Jul 28, 2006	17.33	17.90	17.27	17.85
2212	NASDAQ	OSIS	Thu, Jul 27, 2006	17.89	17.94	17.22	17.22
2211	NASDAQ	OSIS	Wed, Jul 26, 2006	17.59	17.92	17.46	17.71
2210	NASDAQ	OSIS	Tue, Jul 25, 2006	17.54	17.78	17.31	17.68
2209	NASDAQ	OSIS	Mon, Jul 24, 2006	17.41	17.64	17.13	17.60
2208	NASDAQ	OSIS	Fri, Jul 21, 2006	17.37	17.37	17.01	17.33
2207	NASDAQ	OSIS	Thu, Jul 20, 2006	17.98	18.16	17.40	17.41
2206	NASDAQ	OSIS	Wed, Jul 19, 2006	17.72	18.15	17.49	17.98
2205	NASDAQ	OSIS	Tue, Jul 18, 2006	17.61	17.91	17.34	17.77
2204	NASDAQ	OSIS	Mon, Jul 17, 2006	17.50	17.78	17.33	17.67
2203	NASDAQ	OSIS	Fri, Jul 14, 2006	17.54	17.77	17.13	17.53
2202	NASDAQ	OSIS	Thu, Jul 13, 2006	17.21	17.76	17.20	17.53
2201	NASDAQ	OSIS	Wed, Jul 12, 2006	17.86	18.10	17.24	17.32
2200	NASDAQ	OSIS	Tue, Jul 11, 2006	17.45	18.05	17.40	17.96
2199	NASDAQ	OSIS	Mon, Jul 10, 2006	18.17	18.24	17.51	17.60
2198	NASDAQ	OSIS	Fri, Jul 7, 2006	18.05	18.37	17.70	18.16
2197	NASDAQ	OSIS	Thu, Jul 6, 2006	18.19	18.54	18.07	18.13
2196	NASDAQ	OSIS	Wed, Jul 5, 2006	18.04	18.17	17.79	18.06
2195	NASDAQ	OSIS	Mon, Jul 3, 2006	17.64	17.95	17.54	17.87
2194	NASDAQ	OSIS	Fri, Jun 30, 2006	17.81	17.82	17.29	17.77
2193	NASDAQ	OSIS	Thu, Jun 29, 2006	17.42	17.76	16.95	17.75
2192	NASDAQ	OSIS	Wed, Jun 28, 2006	16.99	17.41	16.80	17.38
2191	NASDAQ	OSIS	Tue, Jun 27, 2006	17.49	17.49	16.60	16.95
2190	NASDAQ	OSIS	Mon, Jun 26, 2006	17.98	18.10	17.30	17.53
2189	NASDAQ	OSIS	Fri, Jun 23, 2006	17.85	17.94	17.55	17.90
2188	NASDAQ	OSIS	Thu, Jun 22, 2006	17.93	18.06	17.71	17.97
2187	NASDAQ	OSIS	Wed, Jun 21, 2006	18.27	18.42	17.95	18.01
2186	NASDAQ	OSIS	Tue, Jun 20, 2006	18.19	18.50	17.94	18.31
2185	NASDAQ	OSIS	Mon, Jun 19, 2006	19.00	19.00	18.07	18.26
2184	NASDAQ	OSIS	Fri, Jun 16, 2006	19.09	19.13	18.78	18.91
2183	NASDAQ	OSIS	Thu, Jun 15, 2006	18.26	19.20	18.23	19.18
2182	NASDAQ	OSIS	Wed, Jun 14, 2006	18.06	18.33	17.49	18.09
2181	NASDAQ	OSIS	Tue, Jun 13, 2006	18.44	18.61	17.81	18.00
2180	NASDAQ	OSIS	Mon, Jun 12, 2006	19.08	19.22	18.50	18.50
2179	NASDAQ	OSIS	Fri, Jun 9, 2006	19.22	19.55	19.03	19.16
2178	NASDAQ	OSIS	Thu, Jun 8, 2006	19.49	19.57	18.65	19.20
2177	NASDAQ	OSIS	Wed, Jun 7, 2006	19.28	19.97	19.10	19.64
2176	NASDAQ	OSIS	Tue, Jun 6, 2006	19.44	19.52	18.77	19.21
2175	NASDAQ	OSIS	Mon, Jun 5, 2006	20.11	20.58	19.40	19.44
2174	NASDAQ	OSIS	Fri, Jun 2, 2006	20.24	20.30	19.73	20.25
2173	NASDAQ	OSIS	Thu, Jun 1, 2006	19.94	20.18	19.70	20.15
2172	NASDAQ	OSIS	Wed, May 31, 2006	19.46	19.99	19.36	19.91
2171	NASDAQ	OSIS	Tue, May 30, 2006	19.88	20.15	19.31	19.33
2170	NASDAQ	OSIS	Fri, May 26, 2006	20.18	20.40	19.61	20.02
2169	NASDAQ	OSIS	Thu, May 25, 2006	20.71	20.77	19.88	20.10
2168	NASDAQ	OSIS	Wed, May 24, 2006	18.98	19.06	18.42	18.68
2167	NASDAQ	OSIS	Tue, May 23, 2006	18.77	19.33	18.77	18.94
2166	NASDAQ	OSIS	Mon, May 22, 2006	18.57	18.98	18.50	18.58
2165	NASDAQ	OSIS	Fri, May 19, 2006	18.92	19.36	18.56	18.79
2164	NASDAQ	OSIS	Thu, May 18, 2006	19.08	19.60	18.90	18.91
2163	NASDAQ	OSIS	Wed, May 17, 2006	20.39	20.49	19.02	19.06
2162	NASDAQ	OSIS	Tue, May 16, 2006	19.74	20.95	19.28	20.53
2161	NASDAQ	OSIS	Mon, May 15, 2006	18.10	18.29	17.65	18.10
2160	NASDAQ	OSIS	Fri, May 12, 2006	18.01	18.68	17.87	18.17
2159	NASDAQ	OSIS	Thu, May 11, 2006	18.35	18.75	17.91	17.99
2158	NASDAQ	OSIS	Wed, May 10, 2006	18.70	19.19	18.37	18.45
2157	NASDAQ	OSIS	Tue, May 9, 2006	18.97	19.20	18.63	18.77
2156	NASDAQ	OSIS	Mon, May 8, 2006	19.35	19.35	18.83	18.97
2155	NASDAQ	OSIS	Fri, May 5, 2006	19.68	19.86	19.32	19.43
2154	NASDAQ	OSIS	Thu, May 4, 2006	19.32	19.66	18.66	19.58
2153	NASDAQ	OSIS	Wed, May 3, 2006	19.50	19.82	19.05	19.23
2152	NASDAQ	OSIS	Tue, May 2, 2006	18.45	19.69	18.31	19.44
2151	NASDAQ	OSIS	Mon, May 1, 2006	19.06	19.23	18.47	18.48
2150	NASDAQ	OSIS	Fri, Apr 28, 2006	18.05	19.10	17.86	19.06
2149	NASDAQ	OSIS	Thu, Apr 27, 2006	18.59	18.77	18.02	18.18
2148	NASDAQ	OSIS	Wed, Apr 26, 2006	18.54	19.00	18.54	18.71
2147	NASDAQ	OSIS	Tue, Apr 25, 2006	19.12	19.21	18.53	18.57
2146	NASDAQ	OSIS	Mon, Apr 24, 2006	19.23	19.23	18.90	19.02
2145	NASDAQ	OSIS	Fri, Apr 21, 2006	19.85	19.85	19.01	19.09
2144	NASDAQ	OSIS	Thu, Apr 20, 2006	19.63	19.73	19.33	19.41
2143	NASDAQ	OSIS	Wed, Apr 19, 2006	19.16	19.96	18.95	19.55
2142	NASDAQ	OSIS	Tue, Apr 18, 2006	18.65	19.16	18.60	19.16
2141	NASDAQ	OSIS	Mon, Apr 17, 2006	19.05	19.21	18.63	18.67
2140	NASDAQ	OSIS	Thu, Apr 13, 2006	19.02	19.32	19.01	19.10
2139	NASDAQ	OSIS	Wed, Apr 12, 2006	19.46	19.46	19.03	19.05
2138	NASDAQ	OSIS	Tue, Apr 11, 2006	20.00	20.00	19.35	19.35
2137	NASDAQ	OSIS	Mon, Apr 10, 2006	19.85	19.99	19.79	19.89
2136	NASDAQ	OSIS	Fri, Apr 7, 2006	19.88	20.06	19.86	19.89
2135	NASDAQ	OSIS	Thu, Apr 6, 2006	20.13	20.26	19.84	19.86
2134	NASDAQ	OSIS	Wed, Apr 5, 2006	20.23	20.33	19.90	20.13
2133	NASDAQ	OSIS	Tue, Apr 4, 2006	20.82	20.99	20.10	20.26
2132	NASDAQ	OSIS	Mon, Apr 3, 2006	21.25	21.38	20.88	20.92
2131	NASDAQ	OSIS	Fri, Mar 31, 2006	21.00	21.30	20.70	21.13
2130	NASDAQ	OSIS	Thu, Mar 30, 2006	21.90	21.90	20.70	21.00
2129	NASDAQ	OSIS	Wed, Mar 29, 2006	21.56	22.11	21.52	21.85
2128	NASDAQ	OSIS	Tue, Mar 28, 2006	22.24	22.33	21.60	21.62
2127	NASDAQ	OSIS	Mon, Mar 27, 2006	22.38	22.80	22.23	22.30
2126	NASDAQ	OSIS	Fri, Mar 24, 2006	22.51	22.54	22.22	22.52
2125	NASDAQ	OSIS	Thu, Mar 23, 2006	22.39	22.63	22.20	22.37
2124	NASDAQ	OSIS	Wed, Mar 22, 2006	22.39	22.66	22.02	22.49
2123	NASDAQ	OSIS	Tue, Mar 21, 2006	22.77	22.77	22.25	22.30
2122	NASDAQ	OSIS	Mon, Mar 20, 2006	23.10	23.34	22.66	22.71
2121	NASDAQ	OSIS	Fri, Mar 17, 2006	22.87	23.11	22.61	23.05
2120	NASDAQ	OSIS	Thu, Mar 16, 2006	23.17	23.17	22.52	22.72
2119	NASDAQ	OSIS	Wed, Mar 15, 2006	23.07	23.14	22.61	23.09
2118	NASDAQ	OSIS	Tue, Mar 14, 2006	22.64	23.09	22.41	23.08
2117	NASDAQ	OSIS	Mon, Mar 13, 2006	22.41	22.99	22.26	22.50
2116	NASDAQ	OSIS	Fri, Mar 10, 2006	22.30	22.41	22.06	22.41
2115	NASDAQ	OSIS	Thu, Mar 9, 2006	22.28	22.30	21.18	21.19
2114	NASDAQ	OSIS	Wed, Mar 8, 2006	22.46	22.50	22.02	22.30
2113	NASDAQ	OSIS	Tue, Mar 7, 2006	22.70	22.96	22.26	22.58
2112	NASDAQ	OSIS	Mon, Mar 6, 2006	22.00	22.00	21.60	21.76
2111	NASDAQ	OSIS	Fri, Mar 3, 2006	21.63	21.96	21.51	21.89
2110	NASDAQ	OSIS	Thu, Mar 2, 2006	21.58	22.00	21.40	21.80
2109	NASDAQ	OSIS	Wed, Mar 1, 2006	20.86	21.59	20.85	21.54
2108	NASDAQ	OSIS	Tue, Feb 28, 2006	20.97	21.05	20.68	20.75
2107	NASDAQ	OSIS	Mon, Feb 27, 2006	21.14	21.41	20.96	21.06
2106	NASDAQ	OSIS	Fri, Feb 24, 2006	21.37	21.37	21.00	21.16
2105	NASDAQ	OSIS	Thu, Feb 23, 2006	20.96	21.49	20.75	21.30
2104	NASDAQ	OSIS	Wed, Feb 22, 2006	20.55	21.20	20.44	20.93
2103	NASDAQ	OSIS	Tue, Feb 21, 2006	21.27	21.59	20.42	20.47
2102	NASDAQ	OSIS	Fri, Feb 17, 2006	21.40	21.60	21.11	21.19
2101	NASDAQ	OSIS	Thu, Feb 16, 2006	21.20	21.57	20.88	21.31
2100	NASDAQ	OSIS	Wed, Feb 15, 2006	21.21	21.29	20.90	21.20
2099	NASDAQ	OSIS	Tue, Feb 14, 2006	20.87	21.45	20.71	21.17
2098	NASDAQ	OSIS	Mon, Feb 13, 2006	20.53	21.10	20.36	20.76
2097	NASDAQ	OSIS	Fri, Feb 10, 2006	20.02	21.03	20.02	20.52
2096	NASDAQ	OSIS	Thu, Feb 9, 2006	22.33	22.49	20.08	20.14
2095	NASDAQ	OSIS	Wed, Feb 8, 2006	21.50	22.06	21.43	21.99
2094	NASDAQ	OSIS	Tue, Feb 7, 2006	21.95	21.95	21.26	21.45
2093	NASDAQ	OSIS	Mon, Feb 6, 2006	21.73	22.00	21.64	21.95
2092	NASDAQ	OSIS	Fri, Feb 3, 2006	21.39	21.85	21.19	21.82
2091	NASDAQ	OSIS	Thu, Feb 2, 2006	21.56	21.85	21.34	21.60
2090	NASDAQ	OSIS	Wed, Feb 1, 2006	21.90	21.95	21.55	21.80
2089	NASDAQ	OSIS	Tue, Jan 31, 2006	21.75	22.12	21.59	21.96
2088	NASDAQ	OSIS	Mon, Jan 30, 2006	21.23	21.75	20.91	21.67
2087	NASDAQ	OSIS	Fri, Jan 27, 2006	20.96	21.89	20.96	21.05
2086	NASDAQ	OSIS	Thu, Jan 26, 2006	21.07	21.18	20.62	20.81
2085	NASDAQ	OSIS	Wed, Jan 25, 2006	21.07	21.47	20.77	21.06
2084	NASDAQ	OSIS	Tue, Jan 24, 2006	20.53	21.49	20.53	21.14
2083	NASDAQ	OSIS	Mon, Jan 23, 2006	20.59	20.82	20.42	20.59
2082	NASDAQ	OSIS	Fri, Jan 20, 2006	21.05	21.05	20.29	20.63
2081	NASDAQ	OSIS	Thu, Jan 19, 2006	20.96	21.40	20.68	20.95
2080	NASDAQ	OSIS	Wed, Jan 18, 2006	20.57	21.63	20.51	21.00
2079	NASDAQ	OSIS	Tue, Jan 17, 2006	19.89	20.87	19.89	20.68
2078	NASDAQ	OSIS	Fri, Jan 13, 2006	19.20	20.24	19.18	20.15
2077	NASDAQ	OSIS	Thu, Jan 12, 2006	19.49	19.58	19.26	19.42
2076	NASDAQ	OSIS	Wed, Jan 11, 2006	19.21	19.71	19.13	19.58
2075	NASDAQ	OSIS	Tue, Jan 10, 2006	19.00	19.30	18.87	19.23
2074	NASDAQ	OSIS	Mon, Jan 9, 2006	18.96	19.17	18.80	18.97
2073	NASDAQ	OSIS	Fri, Jan 6, 2006	19.00	19.10	18.67	19.06
2072	NASDAQ	OSIS	Thu, Jan 5, 2006	18.89	18.94	18.63	18.91
2071	NASDAQ	OSIS	Wed, Jan 4, 2006	18.78	19.00	18.35	18.96
2070	NASDAQ	OSIS	Tue, Jan 3, 2006	18.39	18.72	18.29	18.67
2069	NASDAQ	OSIS	Fri, Dec 30, 2005	18.43	18.50	18.13	18.39
2068	NASDAQ	OSIS	Thu, Dec 29, 2005	18.62	18.94	18.53	18.57
2067	NASDAQ	OSIS	Wed, Dec 28, 2005	17.86	18.98	17.86	18.70
2066	NASDAQ	OSIS	Tue, Dec 27, 2005	18.24	18.65	17.90	17.91
2065	NASDAQ	OSIS	Fri, Dec 23, 2005	18.42	18.58	18.08	18.30
2064	NASDAQ	OSIS	Thu, Dec 22, 2005	18.40	18.60	18.35	18.40
2063	NASDAQ	OSIS	Wed, Dec 21, 2005	18.42	18.54	18.25	18.49
2062	NASDAQ	OSIS	Tue, Dec 20, 2005	18.74	18.74	18.23	18.32
2061	NASDAQ	OSIS	Mon, Dec 19, 2005	18.77	18.91	18.60	18.65
2060	NASDAQ	OSIS	Fri, Dec 16, 2005	18.73	18.97	18.71	18.84
2059	NASDAQ	OSIS	Thu, Dec 15, 2005	18.75	18.81	18.43	18.68
2058	NASDAQ	OSIS	Wed, Dec 14, 2005	19.20	19.20	18.87	18.89
2057	NASDAQ	OSIS	Tue, Dec 13, 2005	19.22	19.34	19.15	19.22
2056	NASDAQ	OSIS	Mon, Dec 12, 2005	19.02	19.30	19.00	19.24
2055	NASDAQ	OSIS	Fri, Dec 9, 2005	19.01	19.11	18.87	19.10
2054	NASDAQ	OSIS	Thu, Dec 8, 2005	18.95	19.15	18.84	19.10
2053	NASDAQ	OSIS	Wed, Dec 7, 2005	19.17	19.23	18.92	19.04
2052	NASDAQ	OSIS	Tue, Dec 6, 2005	19.20	19.25	18.95	19.07
2051	NASDAQ	OSIS	Mon, Dec 5, 2005	19.20	19.20	18.70	18.99
2050	NASDAQ	OSIS	Fri, Dec 2, 2005	19.28	19.28	18.90	19.28
2049	NASDAQ	OSIS	Thu, Dec 1, 2005	18.80	19.20	18.77	19.18
2048	NASDAQ	OSIS	Wed, Nov 30, 2005	18.65	18.90	18.62	18.83
2047	NASDAQ	OSIS	Tue, Nov 29, 2005	18.30	18.79	18.30	18.75
2046	NASDAQ	OSIS	Mon, Nov 28, 2005	18.14	18.62	18.06	18.32
2045	NASDAQ	OSIS	Fri, Nov 25, 2005	17.87	18.20	17.87	18.12
2044	NASDAQ	OSIS	Wed, Nov 23, 2005	17.94	18.04	17.89	17.95
2043	NASDAQ	OSIS	Tue, Nov 22, 2005	18.01	18.13	17.83	17.96
2042	NASDAQ	OSIS	Mon, Nov 21, 2005	17.99	18.20	17.83	17.99
2041	NASDAQ	OSIS	Fri, Nov 18, 2005	18.00	18.16	17.94	18.08
2040	NASDAQ	OSIS	Thu, Nov 17, 2005	18.10	18.16	17.85	18.00
2039	NASDAQ	OSIS	Wed, Nov 16, 2005	18.32	18.40	18.13	18.16
2038	NASDAQ	OSIS	Tue, Nov 15, 2005	18.58	18.75	18.25	18.43
2037	NASDAQ	OSIS	Mon, Nov 14, 2005	18.49	18.65	18.22	18.30
2036	NASDAQ	OSIS	Fri, Nov 11, 2005	18.56	18.68	18.47	18.53
2035	NASDAQ	OSIS	Thu, Nov 10, 2005	18.25	18.65	18.25	18.65
2034	NASDAQ	OSIS	Wed, Nov 9, 2005	18.36	18.78	18.07	18.25
2033	NASDAQ	OSIS	Tue, Nov 8, 2005	17.87	18.40	17.87	18.33
2032	NASDAQ	OSIS	Mon, Nov 7, 2005	18.00	18.27	17.89	17.96
2031	NASDAQ	OSIS	Fri, Nov 4, 2005	16.17	17.90	16.17	17.89
2030	NASDAQ	OSIS	Thu, Nov 3, 2005	16.25	16.51	16.09	16.17
2029	NASDAQ	OSIS	Wed, Nov 2, 2005	16.12	16.27	15.69	16.27
2028	NASDAQ	OSIS	Tue, Nov 1, 2005	16.49	16.53	16.04	16.13
2027	NASDAQ	OSIS	Mon, Oct 31, 2005	16.92	17.02	16.57	16.60
2026	NASDAQ	OSIS	Fri, Oct 28, 2005	16.86	16.90	16.74	16.90
2025	NASDAQ	OSIS	Thu, Oct 27, 2005	16.74	16.85	16.71	16.76
2024	NASDAQ	OSIS	Wed, Oct 26, 2005	16.85	16.95	16.62	16.81
2023	NASDAQ	OSIS	Tue, Oct 25, 2005	16.63	16.97	16.36	16.85
2022	NASDAQ	OSIS	Mon, Oct 24, 2005	16.49	16.70	16.22	16.70
2021	NASDAQ	OSIS	Fri, Oct 21, 2005	16.79	16.94	16.51	16.58
2020	NASDAQ	OSIS	Thu, Oct 20, 2005	17.01	17.10	16.59	16.83
2019	NASDAQ	OSIS	Wed, Oct 19, 2005	17.17	17.19	16.65	17.06
2018	NASDAQ	OSIS	Tue, Oct 18, 2005	16.75	17.37	16.50	17.17
2017	NASDAQ	OSIS	Mon, Oct 17, 2005	15.50	16.83	15.40	16.73
2016	NASDAQ	OSIS	Fri, Oct 14, 2005	15.50	15.52	15.08	15.50
2015	NASDAQ	OSIS	Thu, Oct 13, 2005	14.84	15.51	14.66	15.43
2014	NASDAQ	OSIS	Wed, Oct 12, 2005	14.67	14.94	14.60	14.76
2013	NASDAQ	OSIS	Tue, Oct 11, 2005	15.00	15.20	14.65	14.69
2012	NASDAQ	OSIS	Mon, Oct 10, 2005	15.00	15.05	14.83	14.96
2011	NASDAQ	OSIS	Fri, Oct 7, 2005	15.11	15.24	14.85	15.03
2010	NASDAQ	OSIS	Thu, Oct 6, 2005	15.10	15.16	14.93	15.05
2009	NASDAQ	OSIS	Wed, Oct 5, 2005	15.50	15.50	15.03	15.05
2008	NASDAQ	OSIS	Tue, Oct 4, 2005	15.58	15.79	15.53	15.53
2007	NASDAQ	OSIS	Mon, Oct 3, 2005	15.88	15.88	15.48	15.62
2006	NASDAQ	OSIS	Fri, Sep 30, 2005	15.35	15.84	15.33	15.80
2005	NASDAQ	OSIS	Thu, Sep 29, 2005	15.25	15.52	15.07	15.52
2004	NASDAQ	OSIS	Wed, Sep 28, 2005	15.16	15.34	15.16	15.25
2003	NASDAQ	OSIS	Tue, Sep 27, 2005	15.23	15.36	15.03	15.18
2002	NASDAQ	OSIS	Mon, Sep 26, 2005	15.25	15.47	15.06	15.32
2001	NASDAQ	OSIS	Fri, Sep 23, 2005	15.20	15.33	15.03	15.28
2000	NASDAQ	OSIS	Thu, Sep 22, 2005	15.17	15.37	15.03	15.22
1999	NASDAQ	OSIS	Wed, Sep 21, 2005	15.40	15.52	15.11	15.28
1998	NASDAQ	OSIS	Tue, Sep 20, 2005	15.59	15.59	15.26	15.36
1997	NASDAQ	OSIS	Mon, Sep 19, 2005	15.59	15.59	14.41	15.48
1996	NASDAQ	OSIS	Fri, Sep 16, 2005	15.45	15.50	15.29	15.50
1995	NASDAQ	OSIS	Thu, Sep 15, 2005	15.46	15.57	15.14	15.36
1994	NASDAQ	OSIS	Wed, Sep 14, 2005	15.38	15.62	15.10	15.46
1993	NASDAQ	OSIS	Tue, Sep 13, 2005	15.30	15.89	15.10	15.48
1992	NASDAQ	OSIS	Mon, Sep 12, 2005	17.25	17.50	16.85	16.97
1991	NASDAQ	OSIS	Fri, Sep 9, 2005	16.60	17.21	16.49	17.20
1990	NASDAQ	OSIS	Thu, Sep 8, 2005	16.99	16.99	14.69	16.58
1989	NASDAQ	OSIS	Wed, Sep 7, 2005	16.85	16.98	16.61	16.95
1988	NASDAQ	OSIS	Tue, Sep 6, 2005	17.09	17.13	16.72	16.81
1987	NASDAQ	OSIS	Fri, Sep 2, 2005	16.91	17.00	16.75	17.00
1986	NASDAQ	OSIS	Thu, Sep 1, 2005	16.80	16.98	16.70	16.80
1985	NASDAQ	OSIS	Wed, Aug 31, 2005	16.38	16.98	16.32	16.67
1984	NASDAQ	OSIS	Tue, Aug 30, 2005	15.78	16.57	15.78	16.27
1983	NASDAQ	OSIS	Mon, Aug 29, 2005	16.00	16.18	15.83	15.90
1982	NASDAQ	OSIS	Fri, Aug 26, 2005	15.83	16.82	15.81	15.94
1981	NASDAQ	OSIS	Thu, Aug 25, 2005	15.96	16.15	15.89	15.94
1980	NASDAQ	OSIS	Wed, Aug 24, 2005	15.90	16.43	15.84	15.98
1979	NASDAQ	OSIS	Tue, Aug 23, 2005	16.25	16.25	15.60	16.02
1978	NASDAQ	OSIS	Mon, Aug 22, 2005	16.54	16.54	15.83	16.27
1977	NASDAQ	OSIS	Fri, Aug 19, 2005	16.71	16.81	16.36	16.41
1976	NASDAQ	OSIS	Thu, Aug 18, 2005	16.75	17.00	16.69	16.76
1975	NASDAQ	OSIS	Wed, Aug 17, 2005	16.90	17.14	16.77	16.84
1974	NASDAQ	OSIS	Tue, Aug 16, 2005	17.10	17.16	16.83	16.88
1973	NASDAQ	OSIS	Mon, Aug 15, 2005	16.85	17.30	16.73	17.16
1972	NASDAQ	OSIS	Fri, Aug 12, 2005	16.89	17.05	16.60	16.97
1971	NASDAQ	OSIS	Thu, Aug 11, 2005	16.50	17.00	16.50	16.96
1970	NASDAQ	OSIS	Wed, Aug 10, 2005	17.04	17.09	16.52	16.57
1969	NASDAQ	OSIS	Tue, Aug 9, 2005	16.92	17.25	16.82	16.96
1968	NASDAQ	OSIS	Mon, Aug 8, 2005	17.25	17.42	16.69	16.92
1967	NASDAQ	OSIS	Fri, Aug 5, 2005	17.12	17.69	17.12	17.29
1966	NASDAQ	OSIS	Thu, Aug 4, 2005	17.42	17.75	16.93	17.17
1965	NASDAQ	OSIS	Wed, Aug 3, 2005	18.00	18.00	17.41	17.44
1964	NASDAQ	OSIS	Tue, Aug 2, 2005	17.70	18.00	17.66	17.97
1963	NASDAQ	OSIS	Mon, Aug 1, 2005	17.99	18.14	17.69	17.71
1962	NASDAQ	OSIS	Fri, Jul 29, 2005	17.91	18.05	17.84	17.85
1961	NASDAQ	OSIS	Thu, Jul 28, 2005	18.25	18.25	17.85	17.92
1960	NASDAQ	OSIS	Wed, Jul 27, 2005	17.90	18.19	17.64	18.11
1959	NASDAQ	OSIS	Tue, Jul 26, 2005	18.35	18.44	17.64	17.88
1958	NASDAQ	OSIS	Mon, Jul 25, 2005	17.50	17.90	17.42	17.70
1957	NASDAQ	OSIS	Fri, Jul 22, 2005	17.78	17.80	17.15	17.51
1956	NASDAQ	OSIS	Thu, Jul 21, 2005	18.00	18.00	17.45	17.55
1955	NASDAQ	OSIS	Wed, Jul 20, 2005	17.56	17.67	17.39	17.59
1954	NASDAQ	OSIS	Tue, Jul 19, 2005	17.44	17.65	17.20	17.63
1953	NASDAQ	OSIS	Mon, Jul 18, 2005	17.40	17.50	17.26	17.26
1952	NASDAQ	OSIS	Fri, Jul 15, 2005	17.34	17.60	17.34	17.53
1951	NASDAQ	OSIS	Thu, Jul 14, 2005	17.32	17.56	17.28	17.39
1950	NASDAQ	OSIS	Wed, Jul 13, 2005	17.47	17.56	17.10	17.19
1949	NASDAQ	OSIS	Tue, Jul 12, 2005	16.99	17.69	16.94	17.36
1948	NASDAQ	OSIS	Mon, Jul 11, 2005	16.77	17.17	16.75	17.00
1947	NASDAQ	OSIS	Fri, Jul 8, 2005	16.63	16.77	16.25	16.75
1946	NASDAQ	OSIS	Thu, Jul 7, 2005	16.90	17.37	16.40	16.59
1945	NASDAQ	OSIS	Wed, Jul 6, 2005	16.15	16.15	15.82	15.91
1944	NASDAQ	OSIS	Tue, Jul 5, 2005	16.00	16.39	16.00	16.15
1943	NASDAQ	OSIS	Fri, Jul 1, 2005	15.91	15.91	15.58	15.83
1942	NASDAQ	OSIS	Thu, Jun 30, 2005	15.83	15.88	15.60	15.79
1941	NASDAQ	OSIS	Wed, Jun 29, 2005	15.53	15.88	15.44	15.83
1940	NASDAQ	OSIS	Tue, Jun 28, 2005	15.52	15.54	15.10	15.52
1939	NASDAQ	OSIS	Mon, Jun 27, 2005	15.50	15.67	15.31	15.46
1938	NASDAQ	OSIS	Fri, Jun 24, 2005	15.62	15.70	15.47	15.57
1937	NASDAQ	OSIS	Thu, Jun 23, 2005	15.67	15.79	15.50	15.62
1936	NASDAQ	OSIS	Wed, Jun 22, 2005	15.42	15.67	15.41	15.61
1935	NASDAQ	OSIS	Tue, Jun 21, 2005	15.65	15.79	15.40	15.49
1934	NASDAQ	OSIS	Mon, Jun 20, 2005	15.97	15.97	15.67	15.72
1933	NASDAQ	OSIS	Fri, Jun 17, 2005	15.89	15.98	15.68	15.93
1932	NASDAQ	OSIS	Thu, Jun 16, 2005	15.70	15.93	15.61	15.77
1931	NASDAQ	OSIS	Wed, Jun 15, 2005	15.73	15.73	15.45	15.61
1930	NASDAQ	OSIS	Tue, Jun 14, 2005	15.64	15.68	15.44	15.68
1929	NASDAQ	OSIS	Mon, Jun 13, 2005	15.40	15.66	15.30	15.54
1928	NASDAQ	OSIS	Fri, Jun 10, 2005	15.51	15.66	15.44	15.48
1927	NASDAQ	OSIS	Thu, Jun 9, 2005	15.45	15.72	15.40	15.55
1926	NASDAQ	OSIS	Wed, Jun 8, 2005	15.36	15.59	15.31	15.43
1925	NASDAQ	OSIS	Tue, Jun 7, 2005	15.28	15.72	15.27	15.46
1924	NASDAQ	OSIS	Mon, Jun 6, 2005	15.17	15.39	14.90	15.32
1923	NASDAQ	OSIS	Fri, Jun 3, 2005	14.95	15.24	14.90	15.17
1922	NASDAQ	OSIS	Thu, Jun 2, 2005	14.84	15.16	14.80	15.02
1921	NASDAQ	OSIS	Wed, Jun 1, 2005	14.80	15.20	14.73	15.10
1920	NASDAQ	OSIS	Tue, May 31, 2005	15.00	15.18	14.90	14.90
1919	NASDAQ	OSIS	Fri, May 27, 2005	15.29	15.37	15.06	15.10
1918	NASDAQ	OSIS	Thu, May 26, 2005	14.84	15.30	14.67	15.28
1917	NASDAQ	OSIS	Wed, May 25, 2005	14.68	14.92	14.50	14.61
1916	NASDAQ	OSIS	Tue, May 24, 2005	14.93	15.12	14.70	14.87
1915	NASDAQ	OSIS	Mon, May 23, 2005	15.01	15.12	14.77	15.01
1914	NASDAQ	OSIS	Fri, May 20, 2005	14.82	15.09	14.70	15.04
1913	NASDAQ	OSIS	Thu, May 19, 2005	14.35	14.92	14.35	14.80
1912	NASDAQ	OSIS	Wed, May 18, 2005	14.33	14.56	14.10	14.51
1911	NASDAQ	OSIS	Tue, May 17, 2005	14.10	14.23	13.99	14.09
1910	NASDAQ	OSIS	Mon, May 16, 2005	14.25	14.37	14.00	14.28
1909	NASDAQ	OSIS	Fri, May 13, 2005	14.16	14.35	14.00	14.09
1908	NASDAQ	OSIS	Thu, May 12, 2005	14.25	14.39	14.17	14.20
1907	NASDAQ	OSIS	Wed, May 11, 2005	13.82	14.31	13.82	14.20
1906	NASDAQ	OSIS	Tue, May 10, 2005	14.21	14.33	13.80	13.81
1905	NASDAQ	OSIS	Mon, May 9, 2005	14.20	14.48	14.02	14.47
1904	NASDAQ	OSIS	Fri, May 6, 2005	14.00	14.29	13.90	14.05
1903	NASDAQ	OSIS	Thu, May 5, 2005	14.60	14.75	13.88	14.02
1902	NASDAQ	OSIS	Wed, May 4, 2005	14.22	14.76	14.22	14.70
1901	NASDAQ	OSIS	Tue, May 3, 2005	14.35	14.42	14.11	14.26
1900	NASDAQ	OSIS	Mon, May 2, 2005	14.25	14.48	14.10	14.41
1899	NASDAQ	OSIS	Fri, Apr 29, 2005	14.11	14.45	14.00	14.20
1898	NASDAQ	OSIS	Thu, Apr 28, 2005	14.47	14.61	14.07	14.07
1897	NASDAQ	OSIS	Wed, Apr 27, 2005	15.77	15.88	14.33	14.46
1896	NASDAQ	OSIS	Tue, Apr 26, 2005	16.77	17.14	16.77	16.97
1895	NASDAQ	OSIS	Mon, Apr 25, 2005	16.48	17.04	16.29	16.98
1894	NASDAQ	OSIS	Fri, Apr 22, 2005	16.63	16.63	16.10	16.32
1893	NASDAQ	OSIS	Thu, Apr 21, 2005	16.35	16.96	16.35	16.73
1892	NASDAQ	OSIS	Wed, Apr 20, 2005	16.40	16.60	16.02	16.33
1891	NASDAQ	OSIS	Tue, Apr 19, 2005	15.87	16.55	15.71	16.51
1890	NASDAQ	OSIS	Mon, Apr 18, 2005	15.76	16.26	15.70	15.99
1889	NASDAQ	OSIS	Fri, Apr 15, 2005	16.25	16.40	15.63	15.75
1888	NASDAQ	OSIS	Thu, Apr 14, 2005	16.78	16.88	16.21	16.28
1887	NASDAQ	OSIS	Wed, Apr 13, 2005	17.20	17.27	16.81	16.81
1886	NASDAQ	OSIS	Tue, Apr 12, 2005	17.04	17.31	17.02	17.26
1885	NASDAQ	OSIS	Mon, Apr 11, 2005	17.33	17.43	17.10	17.10
1884	NASDAQ	OSIS	Fri, Apr 8, 2005	17.38	17.50	17.37	17.44
1883	NASDAQ	OSIS	Thu, Apr 7, 2005	17.76	17.78	17.34	17.50
1882	NASDAQ	OSIS	Wed, Apr 6, 2005	17.50	17.77	17.45	17.68
1881	NASDAQ	OSIS	Tue, Apr 5, 2005	17.50	17.68	17.45	17.50
1880	NASDAQ	OSIS	Mon, Apr 4, 2005	17.55	17.69	17.44	17.64
1879	NASDAQ	OSIS	Fri, Apr 1, 2005	17.42	17.60	17.37	17.54
1878	NASDAQ	OSIS	Thu, Mar 31, 2005	17.49	17.60	17.34	17.51
1877	NASDAQ	OSIS	Wed, Mar 30, 2005	17.63	18.01	17.48	17.56
1876	NASDAQ	OSIS	Tue, Mar 29, 2005	18.03	18.32	17.64	17.73
1875	NASDAQ	OSIS	Mon, Mar 28, 2005	18.19	18.38	18.00	18.12
1874	NASDAQ	OSIS	Thu, Mar 24, 2005	17.59	18.09	17.49	17.93
1873	NASDAQ	OSIS	Wed, Mar 23, 2005	17.60	17.67	17.40	17.46
1872	NASDAQ	OSIS	Tue, Mar 22, 2005	17.60	17.70	17.26	17.57
1871	NASDAQ	OSIS	Mon, Mar 21, 2005	17.12	17.64	17.12	17.57
1870	NASDAQ	OSIS	Fri, Mar 18, 2005	17.17	17.27	17.11	17.12
1869	NASDAQ	OSIS	Thu, Mar 17, 2005	17.25	17.25	17.09	17.16
1868	NASDAQ	OSIS	Wed, Mar 16, 2005	17.00	17.17	17.00	17.15
1867	NASDAQ	OSIS	Tue, Mar 15, 2005	17.15	17.25	17.01	17.10
1866	NASDAQ	OSIS	Mon, Mar 14, 2005	16.90	17.20	16.90	17.14
1865	NASDAQ	OSIS	Fri, Mar 11, 2005	17.13	17.24	16.94	17.02
1864	NASDAQ	OSIS	Thu, Mar 10, 2005	17.02	17.23	16.91	17.19
1863	NASDAQ	OSIS	Wed, Mar 9, 2005	16.86	17.23	16.86	17.02
1862	NASDAQ	OSIS	Tue, Mar 8, 2005	16.96	17.14	16.85	16.94
1861	NASDAQ	OSIS	Mon, Mar 7, 2005	16.85	17.20	16.85	17.04
1860	NASDAQ	OSIS	Fri, Mar 4, 2005	17.26	17.27	16.76	16.93
1859	NASDAQ	OSIS	Thu, Mar 3, 2005	16.85	17.10	16.81	17.04
1858	NASDAQ	OSIS	Wed, Mar 2, 2005	16.95	17.07	16.85	16.90
1857	NASDAQ	OSIS	Tue, Mar 1, 2005	16.95	17.05	16.91	16.98
1856	NASDAQ	OSIS	Mon, Feb 28, 2005	17.25	17.25	16.89	16.98
1855	NASDAQ	OSIS	Fri, Feb 25, 2005	16.97	17.32	16.88	17.25
1854	NASDAQ	OSIS	Thu, Feb 24, 2005	16.50	17.00	16.25	16.95
1853	NASDAQ	OSIS	Wed, Feb 23, 2005	16.92	17.12	16.53	16.53
1852	NASDAQ	OSIS	Tue, Feb 22, 2005	16.58	17.14	16.55	16.94
1851	NASDAQ	OSIS	Fri, Feb 18, 2005	16.69	16.78	16.54	16.72
1850	NASDAQ	OSIS	Thu, Feb 17, 2005	16.65	16.97	16.42	16.53
1849	NASDAQ	OSIS	Wed, Feb 16, 2005	16.52	16.86	16.52	16.60
1848	NASDAQ	OSIS	Tue, Feb 15, 2005	16.58	16.95	16.50	16.59
1847	NASDAQ	OSIS	Mon, Feb 14, 2005	16.50	16.78	16.50	16.62
1846	NASDAQ	OSIS	Fri, Feb 11, 2005	16.50	16.69	16.08	16.56
1845	NASDAQ	OSIS	Thu, Feb 10, 2005	16.75	16.98	16.43	16.50
1844	NASDAQ	OSIS	Wed, Feb 9, 2005	16.45	16.90	16.45	16.76
1843	NASDAQ	OSIS	Tue, Feb 8, 2005	16.75	17.00	16.41	16.45
1842	NASDAQ	OSIS	Mon, Feb 7, 2005	16.80	17.00	16.62	16.81
1841	NASDAQ	OSIS	Fri, Feb 4, 2005	16.40	16.86	16.39	16.75
1840	NASDAQ	OSIS	Thu, Feb 3, 2005	16.64	16.70	16.32	16.40
1839	NASDAQ	OSIS	Wed, Feb 2, 2005	16.44	16.57	16.24	16.52
1838	NASDAQ	OSIS	Tue, Feb 1, 2005	16.47	16.74	16.14	16.21
1837	NASDAQ	OSIS	Mon, Jan 31, 2005	16.94	17.03	16.06	16.34
1836	NASDAQ	OSIS	Fri, Jan 28, 2005	17.54	17.79	16.50	16.85
1835	NASDAQ	OSIS	Thu, Jan 27, 2005	19.16	19.81	19.16	19.60
1834	NASDAQ	OSIS	Wed, Jan 26, 2005	19.05	19.49	18.97	19.49
1833	NASDAQ	OSIS	Tue, Jan 25, 2005	18.38	19.17	18.22	19.05
1832	NASDAQ	OSIS	Mon, Jan 24, 2005	19.54	19.58	18.18	18.43
1831	NASDAQ	OSIS	Fri, Jan 21, 2005	19.64	20.45	19.39	19.46
1830	NASDAQ	OSIS	Thu, Jan 20, 2005	20.28	20.44	19.55	19.78
1829	NASDAQ	OSIS	Wed, Jan 19, 2005	21.03	21.16	20.28	20.48
1828	NASDAQ	OSIS	Tue, Jan 18, 2005	21.02	21.23	20.77	20.94
1827	NASDAQ	OSIS	Fri, Jan 14, 2005	20.69	20.97	20.38	20.94
1826	NASDAQ	OSIS	Thu, Jan 13, 2005	21.00	21.16	20.34	20.48
1825	NASDAQ	OSIS	Wed, Jan 12, 2005	21.07	21.07	20.62	20.86
1824	NASDAQ	OSIS	Tue, Jan 11, 2005	21.27	21.38	21.08	21.15
1823	NASDAQ	OSIS	Mon, Jan 10, 2005	20.76	21.42	20.75	21.36
1822	NASDAQ	OSIS	Fri, Jan 7, 2005	21.48	21.48	20.80	20.83
1821	NASDAQ	OSIS	Thu, Jan 6, 2005	22.16	22.17	21.06	21.18
1820	NASDAQ	OSIS	Wed, Jan 5, 2005	22.35	22.42	21.61	21.72
1819	NASDAQ	OSIS	Tue, Jan 4, 2005	21.87	22.02	20.08	20.66
1818	NASDAQ	OSIS	Mon, Jan 3, 2005	22.70	22.70	21.33	21.75
1817	NASDAQ	OSIS	Fri, Dec 31, 2004	22.20	22.85	22.20	22.71
1816	NASDAQ	OSIS	Thu, Dec 30, 2004	22.72	22.77	22.37	22.37
1815	NASDAQ	OSIS	Wed, Dec 29, 2004	22.75	22.99	22.65	22.83
1814	NASDAQ	OSIS	Tue, Dec 28, 2004	23.00	23.05	22.72	22.87
1813	NASDAQ	OSIS	Mon, Dec 27, 2004	22.83	23.00	22.57	22.86
1812	NASDAQ	OSIS	Thu, Dec 23, 2004	22.50	22.81	22.28	22.69
1811	NASDAQ	OSIS	Wed, Dec 22, 2004	22.10	22.49	22.04	22.44
1810	NASDAQ	OSIS	Tue, Dec 21, 2004	20.95	22.09	20.95	22.06
1809	NASDAQ	OSIS	Mon, Dec 20, 2004	21.49	21.81	20.81	21.06
1808	NASDAQ	OSIS	Fri, Dec 17, 2004	21.55	21.81	21.39	21.49
1807	NASDAQ	OSIS	Thu, Dec 16, 2004	21.75	22.00	21.65	21.81
1806	NASDAQ	OSIS	Wed, Dec 15, 2004	22.26	22.26	21.80	21.87
1805	NASDAQ	OSIS	Tue, Dec 14, 2004	21.72	22.18	21.45	22.05
1804	NASDAQ	OSIS	Mon, Dec 13, 2004	22.05	22.18	21.76	21.98
1803	NASDAQ	OSIS	Fri, Dec 10, 2004	22.51	22.51	22.04	22.28
1802	NASDAQ	OSIS	Thu, Dec 9, 2004	22.86	22.86	21.96	22.25
1801	NASDAQ	OSIS	Wed, Dec 8, 2004	22.55	22.89	22.26	22.89
1800	NASDAQ	OSIS	Tue, Dec 7, 2004	22.69	22.94	22.41	22.52
1799	NASDAQ	OSIS	Mon, Dec 6, 2004	22.41	22.80	21.81	22.64
1798	NASDAQ	OSIS	Fri, Dec 3, 2004	22.96	23.00	22.04	22.22
1797	NASDAQ	OSIS	Thu, Dec 2, 2004	22.43	23.40	22.25	22.64
1796	NASDAQ	OSIS	Wed, Dec 1, 2004	21.97	22.36	21.64	22.20
1795	NASDAQ	OSIS	Tue, Nov 30, 2004	22.11	22.35	21.64	21.72
1794	NASDAQ	OSIS	Mon, Nov 29, 2004	21.20	22.10	21.10	22.04
1793	NASDAQ	OSIS	Fri, Nov 26, 2004	21.05	21.05	20.90	20.91
1792	NASDAQ	OSIS	Wed, Nov 24, 2004	20.86	21.00	20.36	20.82
1791	NASDAQ	OSIS	Tue, Nov 23, 2004	20.71	20.76	20.25	20.61
1790	NASDAQ	OSIS	Mon, Nov 22, 2004	20.99	21.00	20.48	20.70
1789	NASDAQ	OSIS	Fri, Nov 19, 2004	20.75	21.00	20.47	20.91
1788	NASDAQ	OSIS	Thu, Nov 18, 2004	21.05	21.19	20.89	20.89
1787	NASDAQ	OSIS	Wed, Nov 17, 2004	20.30	21.20	20.12	21.09
1786	NASDAQ	OSIS	Tue, Nov 16, 2004	20.29	20.54	19.94	20.28
1785	NASDAQ	OSIS	Mon, Nov 15, 2004	20.13	20.30	20.01	20.28
1784	NASDAQ	OSIS	Fri, Nov 12, 2004	20.37	20.37	19.97	20.09
1783	NASDAQ	OSIS	Thu, Nov 11, 2004	20.41	20.41	20.06	20.32
1782	NASDAQ	OSIS	Wed, Nov 10, 2004	20.11	20.41	20.01	20.35
1781	NASDAQ	OSIS	Tue, Nov 9, 2004	20.09	20.40	19.67	19.89
1780	NASDAQ	OSIS	Mon, Nov 8, 2004	20.04	20.90	19.86	19.97
1779	NASDAQ	OSIS	Fri, Nov 5, 2004	19.64	20.00	19.39	19.97
1778	NASDAQ	OSIS	Thu, Nov 4, 2004	19.50	19.63	19.15	19.41
1777	NASDAQ	OSIS	Wed, Nov 3, 2004	19.00	19.47	18.88	19.39
1776	NASDAQ	OSIS	Tue, Nov 2, 2004	18.24	18.79	18.10	18.78
1775	NASDAQ	OSIS	Mon, Nov 1, 2004	17.87	18.42	17.65	18.12
1774	NASDAQ	OSIS	Fri, Oct 29, 2004	16.30	17.41	16.25	17.41
1773	NASDAQ	OSIS	Thu, Oct 28, 2004	15.97	16.75	15.97	16.39
1772	NASDAQ	OSIS	Wed, Oct 27, 2004	16.02	16.47	16.02	16.42
1771	NASDAQ	OSIS	Tue, Oct 26, 2004	15.86	16.41	15.86	16.30
1770	NASDAQ	OSIS	Mon, Oct 25, 2004	16.00	16.29	15.91	16.05
1769	NASDAQ	OSIS	Fri, Oct 22, 2004	15.94	16.44	15.93	15.96
1768	NASDAQ	OSIS	Thu, Oct 21, 2004	16.02	17.18	15.84	16.15
1767	NASDAQ	OSIS	Wed, Oct 20, 2004	15.55	16.12	15.51	16.12
1766	NASDAQ	OSIS	Tue, Oct 19, 2004	15.78	15.89	15.50	15.58
1765	NASDAQ	OSIS	Mon, Oct 18, 2004	16.05	16.32	15.76	15.90
1764	NASDAQ	OSIS	Fri, Oct 15, 2004	16.00	16.20	15.98	16.06
1763	NASDAQ	OSIS	Thu, Oct 14, 2004	16.08	16.23	15.99	16.01
1762	NASDAQ	OSIS	Wed, Oct 13, 2004	16.32	16.50	15.80	16.29
1761	NASDAQ	OSIS	Tue, Oct 12, 2004	16.16	16.49	16.10	16.39
1760	NASDAQ	OSIS	Mon, Oct 11, 2004	16.20	16.29	16.13	16.24
1759	NASDAQ	OSIS	Fri, Oct 8, 2004	16.25	16.35	16.15	16.20
1758	NASDAQ	OSIS	Thu, Oct 7, 2004	16.30	16.61	16.21	16.24
1757	NASDAQ	OSIS	Wed, Oct 6, 2004	16.30	16.73	16.03	16.66
1756	NASDAQ	OSIS	Tue, Oct 5, 2004	16.17	16.65	16.17	16.29
1755	NASDAQ	OSIS	Mon, Oct 4, 2004	16.56	16.64	16.17	16.26
1754	NASDAQ	OSIS	Fri, Oct 1, 2004	16.23	16.55	16.06	16.53
1753	NASDAQ	OSIS	Thu, Sep 30, 2004	15.74	16.25	15.71	16.10
1752	NASDAQ	OSIS	Wed, Sep 29, 2004	15.28	15.89	15.28	15.80
1751	NASDAQ	OSIS	Tue, Sep 28, 2004	15.45	15.73	15.28	15.50
1750	NASDAQ	OSIS	Mon, Sep 27, 2004	15.87	15.93	15.59	15.73
1749	NASDAQ	OSIS	Fri, Sep 24, 2004	15.93	16.15	15.85	15.99
1748	NASDAQ	OSIS	Thu, Sep 23, 2004	15.75	16.12	15.45	16.00
1747	NASDAQ	OSIS	Wed, Sep 22, 2004	16.17	16.18	15.64	15.65
1746	NASDAQ	OSIS	Tue, Sep 21, 2004	15.71	16.20	15.70	16.15
1745	NASDAQ	OSIS	Mon, Sep 20, 2004	15.28	16.00	15.27	15.74
1744	NASDAQ	OSIS	Fri, Sep 17, 2004	16.67	16.70	16.15	16.31
1743	NASDAQ	OSIS	Thu, Sep 16, 2004	16.75	16.75	16.47	16.64
1742	NASDAQ	OSIS	Wed, Sep 15, 2004	16.69	16.74	16.30	16.52
1741	NASDAQ	OSIS	Tue, Sep 14, 2004	16.81	16.89	16.20	16.82
1740	NASDAQ	OSIS	Mon, Sep 13, 2004	16.91	17.22	16.60	16.70
1739	NASDAQ	OSIS	Fri, Sep 10, 2004	16.40	16.80	16.36	16.70
1738	NASDAQ	OSIS	Thu, Sep 9, 2004	15.96	16.49	15.72	16.35
1737	NASDAQ	OSIS	Wed, Sep 8, 2004	15.65	15.84	15.48	15.71
1736	NASDAQ	OSIS	Tue, Sep 7, 2004	15.47	15.85	15.40	15.58
1735	NASDAQ	OSIS	Fri, Sep 3, 2004	15.44	15.50	15.00	15.38
1734	NASDAQ	OSIS	Thu, Sep 2, 2004	15.11	15.43	15.05	15.42
1733	NASDAQ	OSIS	Wed, Sep 1, 2004	14.68	15.24	14.54	14.97
1732	NASDAQ	OSIS	Tue, Aug 31, 2004	14.59	14.75	14.50	14.56
1731	NASDAQ	OSIS	Mon, Aug 30, 2004	15.25	15.30	14.41	14.47
1730	NASDAQ	OSIS	Fri, Aug 27, 2004	16.39	16.83	14.90	14.97
1729	NASDAQ	OSIS	Thu, Aug 26, 2004	19.19	19.28	18.51	18.70
1728	NASDAQ	OSIS	Wed, Aug 25, 2004	18.70	19.28	18.70	19.28
1727	NASDAQ	OSIS	Tue, Aug 24, 2004	18.74	19.16	18.46	18.90
1726	NASDAQ	OSIS	Mon, Aug 23, 2004	18.90	18.90	18.32	18.52
1725	NASDAQ	OSIS	Fri, Aug 20, 2004	18.11	18.80	18.03	18.78
1724	NASDAQ	OSIS	Thu, Aug 19, 2004	18.24	18.24	17.83	18.06
1723	NASDAQ	OSIS	Wed, Aug 18, 2004	17.78	18.24	17.47	18.24
1722	NASDAQ	OSIS	Tue, Aug 17, 2004	17.79	17.95	17.48	17.67
1721	NASDAQ	OSIS	Mon, Aug 16, 2004	17.25	17.76	17.23	17.56
1720	NASDAQ	OSIS	Fri, Aug 13, 2004	17.62	17.62	17.32	17.46
1719	NASDAQ	OSIS	Thu, Aug 12, 2004	17.45	17.99	17.41	17.50
1718	NASDAQ	OSIS	Wed, Aug 11, 2004	17.51	17.66	17.30	17.58
1717	NASDAQ	OSIS	Tue, Aug 10, 2004	17.86	18.11	17.50	17.74
1716	NASDAQ	OSIS	Mon, Aug 9, 2004	17.61	18.01	17.50	17.92
1715	NASDAQ	OSIS	Fri, Aug 6, 2004	18.08	18.15	17.50	17.76
1714	NASDAQ	OSIS	Thu, Aug 5, 2004	18.85	19.21	18.01	18.09
1713	NASDAQ	OSIS	Wed, Aug 4, 2004	18.81	19.13	18.81	18.94
1712	NASDAQ	OSIS	Tue, Aug 3, 2004	19.56	19.66	18.63	18.66
1711	NASDAQ	OSIS	Mon, Aug 2, 2004	18.67	19.63	18.66	19.62
1710	NASDAQ	OSIS	Fri, Jul 30, 2004	18.49	18.80	18.30	18.63
1709	NASDAQ	OSIS	Thu, Jul 29, 2004	17.56	18.70	17.50	18.47
1708	NASDAQ	OSIS	Wed, Jul 28, 2004	17.71	18.04	17.50	17.64
1707	NASDAQ	OSIS	Tue, Jul 27, 2004	17.71	18.14	17.45	17.82
1706	NASDAQ	OSIS	Mon, Jul 26, 2004	17.80	18.00	17.56	17.61
1705	NASDAQ	OSIS	Fri, Jul 23, 2004	18.02	18.02	17.50	17.83
1704	NASDAQ	OSIS	Thu, Jul 22, 2004	16.63	18.13	16.60	17.98
1703	NASDAQ	OSIS	Wed, Jul 21, 2004	18.64	18.64	16.27	16.71
1702	NASDAQ	OSIS	Tue, Jul 20, 2004	18.16	18.74	18.12	18.63
1701	NASDAQ	OSIS	Mon, Jul 19, 2004	18.95	18.95	18.16	18.21
1700	NASDAQ	OSIS	Fri, Jul 16, 2004	18.34	18.84	18.05	18.83
1699	NASDAQ	OSIS	Thu, Jul 15, 2004	18.47	18.58	18.15	18.25
1698	NASDAQ	OSIS	Wed, Jul 14, 2004	17.50	18.70	17.50	18.37
1697	NASDAQ	OSIS	Tue, Jul 13, 2004	17.68	17.97	17.50	17.60
1696	NASDAQ	OSIS	Mon, Jul 12, 2004	18.15	18.20	17.64	17.81
1695	NASDAQ	OSIS	Fri, Jul 9, 2004	18.05	18.32	18.02	18.19
1694	NASDAQ	OSIS	Thu, Jul 8, 2004	18.95	19.13	17.93	18.07
1693	NASDAQ	OSIS	Wed, Jul 7, 2004	19.04	19.52	19.00	19.06
1692	NASDAQ	OSIS	Tue, Jul 6, 2004	19.17	19.48	18.90	19.04
1691	NASDAQ	OSIS	Fri, Jul 2, 2004	19.20	19.48	19.10	19.33
1690	NASDAQ	OSIS	Thu, Jul 1, 2004	19.83	19.97	19.20	19.40
1689	NASDAQ	OSIS	Wed, Jun 30, 2004	19.63	19.94	19.45	19.93
1688	NASDAQ	OSIS	Tue, Jun 29, 2004	19.01	19.64	19.00	19.50
1687	NASDAQ	OSIS	Mon, Jun 28, 2004	19.71	19.73	19.04	19.06
1686	NASDAQ	OSIS	Fri, Jun 25, 2004	19.22	19.69	19.07	19.41
1685	NASDAQ	OSIS	Thu, Jun 24, 2004	19.10	19.39	18.95	19.25
1684	NASDAQ	OSIS	Wed, Jun 23, 2004	18.51	19.31	18.51	19.03
1683	NASDAQ	OSIS	Tue, Jun 22, 2004	18.09	18.79	18.03	18.66
1682	NASDAQ	OSIS	Mon, Jun 21, 2004	18.69	19.06	18.20	18.22
1681	NASDAQ	OSIS	Fri, Jun 18, 2004	18.55	19.17	18.55	18.69
1680	NASDAQ	OSIS	Thu, Jun 17, 2004	19.64	19.73	18.40	18.80
1679	NASDAQ	OSIS	Wed, Jun 16, 2004	20.37	20.40	19.55	19.68
1678	NASDAQ	OSIS	Tue, Jun 15, 2004	19.74	20.28	19.60	20.08
1677	NASDAQ	OSIS	Mon, Jun 14, 2004	20.36	20.42	19.52	19.53
1676	NASDAQ	OSIS	Thu, Jun 10, 2004	20.49	20.60	20.30	20.40
1675	NASDAQ	OSIS	Wed, Jun 9, 2004	20.78	20.99	20.21	20.30
1674	NASDAQ	OSIS	Tue, Jun 8, 2004	20.69	20.82	20.19	20.73
1673	NASDAQ	OSIS	Mon, Jun 7, 2004	21.39	21.40	20.82	20.90
1672	NASDAQ	OSIS	Fri, Jun 4, 2004	21.05	21.30	20.94	21.12
1671	NASDAQ	OSIS	Thu, Jun 3, 2004	21.64	21.65	20.92	21.05
1670	NASDAQ	OSIS	Wed, Jun 2, 2004	22.12	22.12	21.39	21.53
1669	NASDAQ	OSIS	Tue, Jun 1, 2004	22.34	22.66	21.96	22.24
1668	NASDAQ	OSIS	Fri, May 28, 2004	21.89	22.63	21.62	22.33
1667	NASDAQ	OSIS	Thu, May 27, 2004	21.56	22.00	21.51	21.62
1666	NASDAQ	OSIS	Wed, May 26, 2004	21.45	22.02	21.26	21.60
1665	NASDAQ	OSIS	Tue, May 25, 2004	20.55	21.32	20.55	21.22
1664	NASDAQ	OSIS	Mon, May 24, 2004	20.32	20.86	20.32	20.73
1663	NASDAQ	OSIS	Fri, May 21, 2004	20.73	20.85	20.06	20.48
1662	NASDAQ	OSIS	Thu, May 20, 2004	20.76	21.09	20.51	20.73
1661	NASDAQ	OSIS	Wed, May 19, 2004	21.03	21.70	20.79	20.89
1660	NASDAQ	OSIS	Tue, May 18, 2004	21.00	21.25	20.83	21.16
1659	NASDAQ	OSIS	Mon, May 17, 2004	21.00	21.90	20.45	20.81
1658	NASDAQ	OSIS	Fri, May 14, 2004	21.21	21.58	21.10	21.16
1657	NASDAQ	OSIS	Thu, May 13, 2004	21.45	21.80	21.20	21.45
1656	NASDAQ	OSIS	Wed, May 12, 2004	21.31	21.85	20.72	21.31
1655	NASDAQ	OSIS	Tue, May 11, 2004	21.27	21.89	21.07	21.28
1654	NASDAQ	OSIS	Mon, May 10, 2004	21.32	21.50	20.89	21.15
1653	NASDAQ	OSIS	Fri, May 7, 2004	22.02	22.88	21.38	21.62
1652	NASDAQ	OSIS	Thu, May 6, 2004	22.54	22.74	22.20	22.43
1651	NASDAQ	OSIS	Wed, May 5, 2004	22.94	23.21	22.58	22.69
1650	NASDAQ	OSIS	Tue, May 4, 2004	22.94	23.22	22.51	22.84
1649	NASDAQ	OSIS	Mon, May 3, 2004	23.01	23.48	22.50	22.71
1648	NASDAQ	OSIS	Fri, Apr 30, 2004	23.24	24.00	22.15	22.75
1647	NASDAQ	OSIS	Thu, Apr 29, 2004	22.71	22.98	21.91	22.27
1646	NASDAQ	OSIS	Wed, Apr 28, 2004	23.33	23.33	22.16	22.75
1645	NASDAQ	OSIS	Tue, Apr 27, 2004	23.02	23.58	22.39	23.28
1644	NASDAQ	OSIS	Mon, Apr 26, 2004	23.04	23.47	22.90	23.24
1643	NASDAQ	OSIS	Fri, Apr 23, 2004	23.56	23.80	22.82	23.23
1642	NASDAQ	OSIS	Thu, Apr 22, 2004	23.28	23.99	22.95	23.41
1641	NASDAQ	OSIS	Wed, Apr 21, 2004	23.36	23.72	22.85	23.19
1640	NASDAQ	OSIS	Tue, Apr 20, 2004	24.05	24.87	22.90	23.10
1639	NASDAQ	OSIS	Mon, Apr 19, 2004	24.15	24.89	23.42	24.09
1638	NASDAQ	OSIS	Fri, Apr 16, 2004	23.03	24.99	22.88	24.09
1637	NASDAQ	OSIS	Thu, Apr 15, 2004	23.38	23.86	22.90	23.06
1636	NASDAQ	OSIS	Wed, Apr 14, 2004	23.60	23.98	22.87	23.23
1635	NASDAQ	OSIS	Tue, Apr 13, 2004	24.31	24.46	22.87	23.69
1634	NASDAQ	OSIS	Mon, Apr 12, 2004	23.69	25.00	23.51	24.20
1633	NASDAQ	OSIS	Thu, Apr 8, 2004	25.09	25.30	23.00	23.07
1632	NASDAQ	OSIS	Wed, Apr 7, 2004	22.23	24.75	22.08	24.60
1631	NASDAQ	OSIS	Tue, Apr 6, 2004	21.80	23.00	21.40	22.62
1630	NASDAQ	OSIS	Mon, Apr 5, 2004	20.40	21.88	20.22	21.43
1629	NASDAQ	OSIS	Fri, Apr 2, 2004	20.57	20.83	20.25	20.30
1628	NASDAQ	OSIS	Thu, Apr 1, 2004	19.95	20.75	19.86	20.25
1627	NASDAQ	OSIS	Wed, Mar 31, 2004	19.70	20.23	19.61	20.00
1626	NASDAQ	OSIS	Tue, Mar 30, 2004	19.50	19.80	19.39	19.71
1625	NASDAQ	OSIS	Mon, Mar 29, 2004	20.10	20.22	19.28	19.49
1624	NASDAQ	OSIS	Fri, Mar 26, 2004	20.09	20.20	19.95	19.98
1623	NASDAQ	OSIS	Thu, Mar 25, 2004	19.83	20.21	19.82	20.08
1622	NASDAQ	OSIS	Wed, Mar 24, 2004	19.73	20.15	19.55	19.71
1621	NASDAQ	OSIS	Tue, Mar 23, 2004	20.20	20.84	19.53	19.60
1620	NASDAQ	OSIS	Mon, Mar 22, 2004	19.66	20.76	19.66	20.03
1619	NASDAQ	OSIS	Fri, Mar 19, 2004	19.92	20.00	19.51	19.72
1618	NASDAQ	OSIS	Thu, Mar 18, 2004	19.76	19.95	19.55	19.75
1617	NASDAQ	OSIS	Wed, Mar 17, 2004	19.50	20.00	19.50	19.70
1616	NASDAQ	OSIS	Tue, Mar 16, 2004	19.70	20.22	19.19	19.41
1615	NASDAQ	OSIS	Mon, Mar 15, 2004	20.19	21.36	19.30	19.48
1614	NASDAQ	OSIS	Fri, Mar 12, 2004	18.12	19.21	18.12	19.19
1613	NASDAQ	OSIS	Thu, Mar 11, 2004	17.46	18.48	17.40	17.99
1612	NASDAQ	OSIS	Wed, Mar 10, 2004	18.30	18.66	17.18	17.50
1611	NASDAQ	OSIS	Tue, Mar 9, 2004	18.76	18.77	18.05	18.28
1610	NASDAQ	OSIS	Mon, Mar 8, 2004	19.18	19.42	18.77	18.77
1609	NASDAQ	OSIS	Fri, Mar 5, 2004	19.34	19.56	19.10	19.15
1608	NASDAQ	OSIS	Thu, Mar 4, 2004	19.59	19.59	19.06	19.33
1607	NASDAQ	OSIS	Wed, Mar 3, 2004	19.72	19.84	19.20	19.43
1606	NASDAQ	OSIS	Tue, Mar 2, 2004	19.95	20.35	19.88	19.88
1605	NASDAQ	OSIS	Mon, Mar 1, 2004	19.50	20.32	19.21	20.00
1604	NASDAQ	OSIS	Fri, Feb 27, 2004	19.51	19.71	19.41	19.54
1603	NASDAQ	OSIS	Thu, Feb 26, 2004	19.36	19.70	19.30	19.56
1602	NASDAQ	OSIS	Wed, Feb 25, 2004	19.30	19.50	19.11	19.38
1601	NASDAQ	OSIS	Tue, Feb 24, 2004	19.61	19.68	18.90	19.09
1600	NASDAQ	OSIS	Mon, Feb 23, 2004	20.50	20.50	19.48	19.50
1599	NASDAQ	OSIS	Fri, Feb 20, 2004	20.18	20.40	19.86	20.39
1598	NASDAQ	OSIS	Thu, Feb 19, 2004	20.39	20.45	20.00	20.20
1597	NASDAQ	OSIS	Wed, Feb 18, 2004	20.21	20.45	20.13	20.20
1596	NASDAQ	OSIS	Tue, Feb 17, 2004	20.26	20.41	19.85	20.41
1595	NASDAQ	OSIS	Fri, Feb 13, 2004	20.15	20.47	19.81	19.86
1594	NASDAQ	OSIS	Thu, Feb 12, 2004	19.87	20.23	19.86	20.12
1593	NASDAQ	OSIS	Wed, Feb 11, 2004	20.45	20.65	19.90	20.00
1592	NASDAQ	OSIS	Tue, Feb 10, 2004	20.11	20.39	19.75	20.39
1591	NASDAQ	OSIS	Mon, Feb 9, 2004	20.09	20.51	19.90	20.05
1590	NASDAQ	OSIS	Fri, Feb 6, 2004	19.29	20.27	19.12	20.19
1589	NASDAQ	OSIS	Thu, Feb 5, 2004	19.30	19.49	19.01	19.25
1588	NASDAQ	OSIS	Wed, Feb 4, 2004	20.05	20.05	19.10	19.35
1587	NASDAQ	OSIS	Tue, Feb 3, 2004	20.20	20.32	19.73	20.00
1586	NASDAQ	OSIS	Mon, Feb 2, 2004	20.61	21.25	19.81	20.24
1585	NASDAQ	OSIS	Fri, Jan 30, 2004	20.95	21.40	20.59	20.62
1584	NASDAQ	OSIS	Thu, Jan 29, 2004	21.06	21.89	20.54	20.80
1583	NASDAQ	OSIS	Wed, Jan 28, 2004	22.08	22.19	20.46	21.00
1582	NASDAQ	OSIS	Tue, Jan 27, 2004	22.43	22.60	21.80	21.89
1581	NASDAQ	OSIS	Mon, Jan 26, 2004	22.18	22.59	22.00	22.50
1580	NASDAQ	OSIS	Fri, Jan 23, 2004	22.46	22.46	21.99	22.16
1579	NASDAQ	OSIS	Thu, Jan 22, 2004	22.85	23.06	22.10	22.30
1578	NASDAQ	OSIS	Wed, Jan 21, 2004	21.99	23.17	21.70	22.79
1577	NASDAQ	OSIS	Tue, Jan 20, 2004	21.69	22.20	21.50	21.94
1576	NASDAQ	OSIS	Fri, Jan 16, 2004	21.40	21.87	21.27	21.68
1575	NASDAQ	OSIS	Thu, Jan 15, 2004	21.30	21.45	21.00	21.25
1574	NASDAQ	OSIS	Wed, Jan 14, 2004	20.83	21.39	20.83	21.38
1573	NASDAQ	OSIS	Tue, Jan 13, 2004	21.44	21.59	20.37	20.98
1572	NASDAQ	OSIS	Mon, Jan 12, 2004	21.61	21.72	21.35	21.41
1571	NASDAQ	OSIS	Fri, Jan 9, 2004	21.90	22.03	21.18	21.46
1570	NASDAQ	OSIS	Thu, Jan 8, 2004	21.42	22.35	21.37	21.94
1569	NASDAQ	OSIS	Wed, Jan 7, 2004	19.81	21.38	19.70	21.12
1568	NASDAQ	OSIS	Tue, Jan 6, 2004	19.12	19.93	18.76	19.86
1567	NASDAQ	OSIS	Mon, Jan 5, 2004	19.17	19.52	19.01	19.43
1566	NASDAQ	OSIS	Fri, Jan 2, 2004	19.45	19.45	19.10	19.32
1565	NASDAQ	OSIS	Wed, Dec 31, 2003	19.50	19.60	19.06	19.21
1564	NASDAQ	OSIS	Tue, Dec 30, 2003	19.86	19.92	19.50	19.56
1563	NASDAQ	OSIS	Mon, Dec 29, 2003	19.24	19.80	19.00	19.80
1562	NASDAQ	OSIS	Fri, Dec 26, 2003	19.34	19.44	19.06	19.17
1561	NASDAQ	OSIS	Wed, Dec 24, 2003	19.31	19.31	19.03	19.18
1560	NASDAQ	OSIS	Tue, Dec 23, 2003	19.19	19.42	19.06	19.24
1559	NASDAQ	OSIS	Mon, Dec 22, 2003	18.86	19.22	18.75	19.22
1558	NASDAQ	OSIS	Fri, Dec 19, 2003	18.82	18.90	18.55	18.80
1557	NASDAQ	OSIS	Thu, Dec 18, 2003	18.84	18.95	18.74	18.95
1556	NASDAQ	OSIS	Wed, Dec 17, 2003	18.55	18.83	18.54	18.80
1555	NASDAQ	OSIS	Tue, Dec 16, 2003	18.54	18.84	18.22	18.65
1554	NASDAQ	OSIS	Mon, Dec 15, 2003	18.91	18.95	18.43	18.59
1553	NASDAQ	OSIS	Fri, Dec 12, 2003	18.91	18.97	18.45	18.62
1552	NASDAQ	OSIS	Thu, Dec 11, 2003	17.80	18.80	17.80	18.72
1551	NASDAQ	OSIS	Wed, Dec 10, 2003	18.04	18.25	17.85	17.95
1550	NASDAQ	OSIS	Tue, Dec 9, 2003	18.64	18.70	17.98	18.00
1549	NASDAQ	OSIS	Mon, Dec 8, 2003	18.32	18.69	18.32	18.63
1548	NASDAQ	OSIS	Fri, Dec 5, 2003	18.62	18.77	18.32	18.41
1547	NASDAQ	OSIS	Thu, Dec 4, 2003	19.08	19.12	18.46	18.85
1546	NASDAQ	OSIS	Wed, Dec 3, 2003	19.30	19.74	19.05	19.15
1545	NASDAQ	OSIS	Tue, Dec 2, 2003	19.05	19.50	18.90	19.20
1544	NASDAQ	OSIS	Mon, Dec 1, 2003	18.92	19.08	18.51	18.99
1543	NASDAQ	OSIS	Fri, Nov 28, 2003	18.74	18.87	18.53	18.58
1542	NASDAQ	OSIS	Wed, Nov 26, 2003	18.89	18.89	18.48	18.73
1541	NASDAQ	OSIS	Tue, Nov 25, 2003	18.92	18.93	18.50	18.76
1540	NASDAQ	OSIS	Mon, Nov 24, 2003	18.36	18.99	18.30	18.93
1539	NASDAQ	OSIS	Fri, Nov 21, 2003	18.38	18.72	18.22	18.34
1538	NASDAQ	OSIS	Thu, Nov 20, 2003	17.89	18.33	17.80	18.21
1537	NASDAQ	OSIS	Wed, Nov 19, 2003	17.87	18.28	17.74	17.90
1536	NASDAQ	OSIS	Tue, Nov 18, 2003	17.93	18.14	17.82	17.87
1535	NASDAQ	OSIS	Mon, Nov 17, 2003	18.13	18.16	17.58	17.83
1534	NASDAQ	OSIS	Fri, Nov 14, 2003	18.52	18.75	18.11	18.12
1533	NASDAQ	OSIS	Thu, Nov 13, 2003	19.03	19.04	18.50	18.67
1532	NASDAQ	OSIS	Wed, Nov 12, 2003	18.64	19.00	18.29	18.87
1531	NASDAQ	OSIS	Tue, Nov 11, 2003	18.75	18.75	18.40	18.52
1530	NASDAQ	OSIS	Mon, Nov 10, 2003	18.85	18.85	18.58	18.60
1529	NASDAQ	OSIS	Fri, Nov 7, 2003	19.00	19.05	18.62	18.70
1528	NASDAQ	OSIS	Thu, Nov 6, 2003	18.62	19.00	18.53	19.00
1527	NASDAQ	OSIS	Wed, Nov 5, 2003	18.54	18.74	18.31	18.66
1526	NASDAQ	OSIS	Tue, Nov 4, 2003	19.20	19.22	18.55	18.60
1525	NASDAQ	OSIS	Mon, Nov 3, 2003	18.55	19.08	18.27	19.01
1524	NASDAQ	OSIS	Fri, Oct 31, 2003	18.30	18.80	18.30	18.39
1523	NASDAQ	OSIS	Thu, Oct 30, 2003	17.25	18.64	17.06	18.23
1522	NASDAQ	OSIS	Wed, Oct 29, 2003	18.05	18.18	17.30	17.75
1521	NASDAQ	OSIS	Tue, Oct 28, 2003	18.28	18.40	17.92	17.95
1520	NASDAQ	OSIS	Mon, Oct 27, 2003	17.79	18.37	17.63	18.22
1519	NASDAQ	OSIS	Fri, Oct 24, 2003	18.30	18.30	17.53	17.79
1518	NASDAQ	OSIS	Thu, Oct 23, 2003	18.03	18.53	17.82	18.31
1517	NASDAQ	OSIS	Wed, Oct 22, 2003	18.87	18.87	18.08	18.08
1516	NASDAQ	OSIS	Tue, Oct 21, 2003	18.62	18.86	18.43	18.80
1515	NASDAQ	OSIS	Mon, Oct 20, 2003	18.48	18.76	18.41	18.58
1514	NASDAQ	OSIS	Fri, Oct 17, 2003	19.19	19.30	18.40	18.50
1513	NASDAQ	OSIS	Thu, Oct 16, 2003	19.23	19.39	19.16	19.30
1512	NASDAQ	OSIS	Wed, Oct 15, 2003	19.50	19.60	18.89	19.15
1511	NASDAQ	OSIS	Tue, Oct 14, 2003	19.34	19.49	19.15	19.35
1510	NASDAQ	OSIS	Mon, Oct 13, 2003	18.98	19.40	18.72	19.07
1509	NASDAQ	OSIS	Fri, Oct 10, 2003	17.87	19.16	17.50	18.90
1508	NASDAQ	OSIS	Thu, Oct 9, 2003	17.70	18.15	17.60	17.83
1507	NASDAQ	OSIS	Wed, Oct 8, 2003	18.33	18.40	17.33	17.68
1506	NASDAQ	OSIS	Tue, Oct 7, 2003	17.73	18.35	17.58	18.34
1505	NASDAQ	OSIS	Mon, Oct 6, 2003	17.95	18.00	17.56	17.72
1504	NASDAQ	OSIS	Fri, Oct 3, 2003	17.50	17.91	17.45	17.75
1503	NASDAQ	OSIS	Thu, Oct 2, 2003	17.47	17.65	17.19	17.34
1502	NASDAQ	OSIS	Wed, Oct 1, 2003	17.35	17.60	17.30	17.48
1501	NASDAQ	OSIS	Tue, Sep 30, 2003	17.46	17.58	17.08	17.30
1500	NASDAQ	OSIS	Mon, Sep 29, 2003	17.47	17.69	17.21	17.40
1499	NASDAQ	OSIS	Fri, Sep 26, 2003	17.81	17.90	17.02	17.17
1498	NASDAQ	OSIS	Thu, Sep 25, 2003	18.21	18.26	17.76	17.82
1497	NASDAQ	OSIS	Wed, Sep 24, 2003	18.40	18.40	17.85	17.98
1496	NASDAQ	OSIS	Tue, Sep 23, 2003	17.68	18.32	17.68	18.13
1495	NASDAQ	OSIS	Mon, Sep 22, 2003	17.09	17.85	17.00	17.65
1494	NASDAQ	OSIS	Fri, Sep 19, 2003	17.29	17.40	17.00	17.04
1493	NASDAQ	OSIS	Thu, Sep 18, 2003	17.56	17.56	17.05	17.30
1492	NASDAQ	OSIS	Wed, Sep 17, 2003	17.56	17.65	17.15	17.33
1491	NASDAQ	OSIS	Tue, Sep 16, 2003	17.40	17.70	17.05	17.33
1490	NASDAQ	OSIS	Mon, Sep 15, 2003	17.35	17.57	17.12	17.33
1489	NASDAQ	OSIS	Fri, Sep 12, 2003	17.33	17.70	16.85	17.04
1488	NASDAQ	OSIS	Thu, Sep 11, 2003	17.32	17.55	17.07	17.20
1487	NASDAQ	OSIS	Wed, Sep 10, 2003	17.76	17.80	17.10	17.31
1486	NASDAQ	OSIS	Tue, Sep 9, 2003	17.87	17.91	17.34	17.62
1485	NASDAQ	OSIS	Mon, Sep 8, 2003	17.70	17.92	17.27	17.62
1484	NASDAQ	OSIS	Fri, Sep 5, 2003	17.20	17.84	16.92	17.40
1483	NASDAQ	OSIS	Thu, Sep 4, 2003	17.11	17.20	16.80	17.10
1482	NASDAQ	OSIS	Wed, Sep 3, 2003	16.51	17.46	16.50	17.01
1481	NASDAQ	OSIS	Tue, Sep 2, 2003	16.24	16.44	16.00	16.37
1480	NASDAQ	OSIS	Fri, Aug 29, 2003	15.30	15.50	15.10	15.32
1479	NASDAQ	OSIS	Thu, Aug 28, 2003	15.01	15.36	14.90	15.06
1478	NASDAQ	OSIS	Wed, Aug 27, 2003	14.35	14.75	14.22	14.50
1477	NASDAQ	OSIS	Tue, Aug 26, 2003	14.47	14.47	14.20	14.30
1476	NASDAQ	OSIS	Mon, Aug 25, 2003	14.59	14.75	14.12	14.42
1475	NASDAQ	OSIS	Fri, Aug 22, 2003	14.90	14.90	14.35	14.49
1474	NASDAQ	OSIS	Thu, Aug 21, 2003	14.22	14.74	13.76	14.59
1473	NASDAQ	OSIS	Wed, Aug 20, 2003	15.25	15.48	15.09	15.39
1472	NASDAQ	OSIS	Tue, Aug 19, 2003	14.70	15.17	14.65	15.00
1471	NASDAQ	OSIS	Mon, Aug 18, 2003	15.04	15.15	13.80	14.65
1470	NASDAQ	OSIS	Fri, Aug 15, 2003	16.46	16.52	16.10	16.34
1469	NASDAQ	OSIS	Thu, Aug 14, 2003	16.64	16.72	16.10	16.10
1468	NASDAQ	OSIS	Wed, Aug 13, 2003	15.73	16.63	15.57	16.55
1467	NASDAQ	OSIS	Tue, Aug 12, 2003	15.50	15.74	15.32	15.74
1466	NASDAQ	OSIS	Mon, Aug 11, 2003	15.12	15.45	15.12	15.22
1465	NASDAQ	OSIS	Fri, Aug 8, 2003	14.95	15.50	14.67	15.10
1464	NASDAQ	OSIS	Thu, Aug 7, 2003	14.95	15.02	14.56	14.76
1463	NASDAQ	OSIS	Wed, Aug 6, 2003	15.30	15.39	14.93	15.00
1462	NASDAQ	OSIS	Tue, Aug 5, 2003	15.76	15.84	15.23	15.24
1461	NASDAQ	OSIS	Mon, Aug 4, 2003	15.49	15.54	15.25	15.33
1460	NASDAQ	OSIS	Fri, Aug 1, 2003	15.48	15.50	15.18	15.40
1459	NASDAQ	OSIS	Thu, Jul 31, 2003	15.33	15.49	15.05	15.36
1458	NASDAQ	OSIS	Wed, Jul 30, 2003	15.45	15.66	15.05	15.40
1457	NASDAQ	OSIS	Tue, Jul 29, 2003	15.50	15.65	15.14	15.45
1456	NASDAQ	OSIS	Mon, Jul 28, 2003	14.95	15.93	14.89	15.42
1455	NASDAQ	OSIS	Fri, Jul 25, 2003	15.05	15.19	14.76	14.90
1454	NASDAQ	OSIS	Thu, Jul 24, 2003	15.25	15.43	14.82	15.12
1453	NASDAQ	OSIS	Wed, Jul 23, 2003	14.70	15.25	14.34	15.20
1452	NASDAQ	OSIS	Tue, Jul 22, 2003	14.04	14.80	14.03	14.64
1451	NASDAQ	OSIS	Mon, Jul 21, 2003	14.00	14.15	13.95	14.00
1450	NASDAQ	OSIS	Fri, Jul 18, 2003	14.09	14.19	13.82	13.97
1449	NASDAQ	OSIS	Thu, Jul 17, 2003	14.80	14.80	14.04	14.04
1448	NASDAQ	OSIS	Wed, Jul 16, 2003	14.84	15.08	14.80	14.89
1447	NASDAQ	OSIS	Tue, Jul 15, 2003	15.42	15.48	14.85	14.99
1446	NASDAQ	OSIS	Mon, Jul 14, 2003	15.78	16.00	15.22	15.40
1445	NASDAQ	OSIS	Fri, Jul 11, 2003	15.84	15.90	15.55	15.69
1444	NASDAQ	OSIS	Thu, Jul 10, 2003	15.89	16.00	15.78	15.79
1443	NASDAQ	OSIS	Wed, Jul 9, 2003	15.98	16.25	15.83	15.99
1442	NASDAQ	OSIS	Tue, Jul 8, 2003	15.99	16.23	15.67	16.01
1441	NASDAQ	OSIS	Mon, Jul 7, 2003	16.45	16.66	15.55	15.88
1440	NASDAQ	OSIS	Thu, Jul 3, 2003	16.42	16.60	16.05	16.43
1439	NASDAQ	OSIS	Wed, Jul 2, 2003	15.51	16.65	15.37	16.44
1438	NASDAQ	OSIS	Tue, Jul 1, 2003	15.82	15.97	15.14	15.61
1437	NASDAQ	OSIS	Mon, Jun 30, 2003	15.50	16.08	15.41	15.70
1436	NASDAQ	OSIS	Fri, Jun 27, 2003	15.69	16.00	15.52	15.61
1435	NASDAQ	OSIS	Thu, Jun 26, 2003	16.00	16.15	15.67	15.76
1434	NASDAQ	OSIS	Wed, Jun 25, 2003	15.90	16.03	15.60	15.72
1433	NASDAQ	OSIS	Tue, Jun 24, 2003	16.04	16.10	15.76	15.92
1432	NASDAQ	OSIS	Mon, Jun 23, 2003	16.32	16.32	15.83	16.00
1431	NASDAQ	OSIS	Fri, Jun 20, 2003	16.32	16.60	16.20	16.31
1430	NASDAQ	OSIS	Thu, Jun 19, 2003	16.94	16.99	16.13	16.24
1429	NASDAQ	OSIS	Wed, Jun 18, 2003	16.86	16.86	16.37	16.50
1428	NASDAQ	OSIS	Tue, Jun 17, 2003	16.50	16.91	16.41	16.81
1427	NASDAQ	OSIS	Mon, Jun 16, 2003	16.38	16.49	16.25	16.49
1426	NASDAQ	OSIS	Fri, Jun 13, 2003	15.98	16.20	15.55	16.10
1425	NASDAQ	OSIS	Thu, Jun 12, 2003	15.25	16.05	15.21	15.95
1424	NASDAQ	OSIS	Wed, Jun 11, 2003	15.00	15.25	14.81	15.10
1423	NASDAQ	OSIS	Tue, Jun 10, 2003	14.97	15.15	14.80	14.83
1422	NASDAQ	OSIS	Mon, Jun 9, 2003	15.40	15.49	14.72	14.97
1421	NASDAQ	OSIS	Fri, Jun 6, 2003	14.93	16.40	14.50	15.47
1420	NASDAQ	OSIS	Thu, Jun 5, 2003	14.50	14.80	14.30	14.80
1419	NASDAQ	OSIS	Wed, Jun 4, 2003	14.98	14.99	14.45	14.50
1418	NASDAQ	OSIS	Tue, Jun 3, 2003	14.68	14.93	14.64	14.83
1417	NASDAQ	OSIS	Mon, Jun 2, 2003	15.49	15.55	14.79	14.91
1416	NASDAQ	OSIS	Fri, May 30, 2003	15.35	15.50	15.29	15.48
1415	NASDAQ	OSIS	Thu, May 29, 2003	14.90	15.39	14.90	15.31
1414	NASDAQ	OSIS	Wed, May 28, 2003	14.75	14.90	14.55	14.90
1413	NASDAQ	OSIS	Tue, May 27, 2003	14.20	14.84	14.20	14.62
1412	NASDAQ	OSIS	Fri, May 23, 2003	14.59	14.79	14.21	14.35
1411	NASDAQ	OSIS	Thu, May 22, 2003	14.30	14.80	14.23	14.63
1410	NASDAQ	OSIS	Wed, May 21, 2003	14.30	14.47	14.17	14.23
1409	NASDAQ	OSIS	Tue, May 20, 2003	14.93	15.09	14.25	14.37
1408	NASDAQ	OSIS	Mon, May 19, 2003	15.37	15.42	14.70	15.01
1407	NASDAQ	OSIS	Fri, May 16, 2003	15.42	15.68	15.27	15.35
1406	NASDAQ	OSIS	Thu, May 15, 2003	15.08	15.50	15.07	15.39
1405	NASDAQ	OSIS	Wed, May 14, 2003	15.05	15.15	14.95	15.01
1404	NASDAQ	OSIS	Tue, May 13, 2003	14.61	15.05	14.50	15.01
1403	NASDAQ	OSIS	Mon, May 12, 2003	14.95	14.99	14.48	14.49
1402	NASDAQ	OSIS	Fri, May 9, 2003	14.22	14.81	14.15	14.72
1401	NASDAQ	OSIS	Thu, May 8, 2003	14.60	14.60	14.05	14.13
1400	NASDAQ	OSIS	Wed, May 7, 2003	13.76	14.79	13.72	14.36
1399	NASDAQ	OSIS	Tue, May 6, 2003	14.85	15.25	13.75	13.76
1398	NASDAQ	OSIS	Mon, May 5, 2003	16.69	16.70	14.70	14.83
1397	NASDAQ	OSIS	Fri, May 2, 2003	15.43	16.02	15.07	15.98
1396	NASDAQ	OSIS	Thu, May 1, 2003	15.18	15.64	15.09	15.45
1395	NASDAQ	OSIS	Wed, Apr 30, 2003	15.52	15.65	14.81	15.14
1394	NASDAQ	OSIS	Tue, Apr 29, 2003	16.27	16.28	14.71	15.27
1393	NASDAQ	OSIS	Mon, Apr 28, 2003	16.34	16.72	15.89	16.05
1392	NASDAQ	OSIS	Fri, Apr 25, 2003	16.58	16.58	16.12	16.24
1391	NASDAQ	OSIS	Thu, Apr 24, 2003	16.71	16.71	16.38	16.50
1390	NASDAQ	OSIS	Wed, Apr 23, 2003	16.33	16.72	16.21	16.59
1389	NASDAQ	OSIS	Tue, Apr 22, 2003	16.23	16.33	16.00	16.29
1388	NASDAQ	OSIS	Mon, Apr 21, 2003	15.77	16.22	15.76	16.00
1387	NASDAQ	OSIS	Thu, Apr 17, 2003	15.85	16.07	15.75	15.80
1386	NASDAQ	OSIS	Wed, Apr 16, 2003	16.24	16.24	15.74	15.95
1385	NASDAQ	OSIS	Tue, Apr 15, 2003	15.96	16.10	15.85	16.00
1384	NASDAQ	OSIS	Mon, Apr 14, 2003	16.03	16.13	15.95	16.06
1383	NASDAQ	OSIS	Fri, Apr 11, 2003	15.99	16.13	15.78	15.99
1382	NASDAQ	OSIS	Thu, Apr 10, 2003	15.96	15.99	15.67	15.70
1381	NASDAQ	OSIS	Wed, Apr 9, 2003	16.05	16.22	15.85	15.85
1380	NASDAQ	OSIS	Tue, Apr 8, 2003	16.58	16.64	15.99	16.02
1379	NASDAQ	OSIS	Mon, Apr 7, 2003	16.60	16.91	16.50	16.63
1378	NASDAQ	OSIS	Fri, Apr 4, 2003	16.25	16.60	16.00	16.45
1377	NASDAQ	OSIS	Thu, Apr 3, 2003	16.29	16.40	16.00	16.10
1376	NASDAQ	OSIS	Wed, Apr 2, 2003	16.29	16.44	15.90	16.09
1375	NASDAQ	OSIS	Tue, Apr 1, 2003	15.80	16.29	15.80	16.06
1374	NASDAQ	OSIS	Mon, Mar 31, 2003	15.54	15.85	15.25	15.81
1373	NASDAQ	OSIS	Fri, Mar 28, 2003	15.84	15.84	15.51	15.59
1372	NASDAQ	OSIS	Thu, Mar 27, 2003	15.70	15.89	15.53	15.81
1371	NASDAQ	OSIS	Wed, Mar 26, 2003	16.08	16.15	15.43	15.63
1370	NASDAQ	OSIS	Tue, Mar 25, 2003	16.07	16.20	15.75	16.02
1369	NASDAQ	OSIS	Mon, Mar 24, 2003	16.00	16.22	15.70	15.79
1368	NASDAQ	OSIS	Fri, Mar 21, 2003	16.25	16.49	15.80	16.44
1367	NASDAQ	OSIS	Thu, Mar 20, 2003	16.44	16.73	15.91	16.01
1366	NASDAQ	OSIS	Wed, Mar 19, 2003	15.52	16.70	15.52	16.50
1365	NASDAQ	OSIS	Tue, Mar 18, 2003	16.01	16.05	15.47	15.57
1364	NASDAQ	OSIS	Mon, Mar 17, 2003	15.00	15.80	14.93	15.80
1363	NASDAQ	OSIS	Fri, Mar 14, 2003	15.48	15.48	14.85	14.99
1362	NASDAQ	OSIS	Thu, Mar 13, 2003	14.90	15.65	14.81	15.65
1361	NASDAQ	OSIS	Wed, Mar 12, 2003	14.98	15.08	14.32	14.86
1360	NASDAQ	OSIS	Tue, Mar 11, 2003	15.53	15.70	15.00	15.26
1359	NASDAQ	OSIS	Mon, Mar 10, 2003	16.05	16.09	15.40	15.52
1358	NASDAQ	OSIS	Fri, Mar 7, 2003	16.21	16.47	15.98	16.22
1357	NASDAQ	OSIS	Thu, Mar 6, 2003	16.09	16.50	15.75	16.50
1356	NASDAQ	OSIS	Wed, Mar 5, 2003	16.40	16.65	16.09	16.22
1355	NASDAQ	OSIS	Tue, Mar 4, 2003	16.46	16.90	16.02	16.42
1354	NASDAQ	OSIS	Mon, Mar 3, 2003	16.99	17.13	16.41	16.52
1353	NASDAQ	OSIS	Fri, Feb 28, 2003	17.13	17.26	16.71	17.00
1352	NASDAQ	OSIS	Thu, Feb 27, 2003	16.36	17.20	16.36	17.13
1351	NASDAQ	OSIS	Wed, Feb 26, 2003	17.13	17.25	15.75	16.31
1350	NASDAQ	OSIS	Tue, Feb 25, 2003	17.16	17.31	17.07	17.30
1349	NASDAQ	OSIS	Mon, Feb 24, 2003	17.39	17.52	17.13	17.30
1348	NASDAQ	OSIS	Fri, Feb 21, 2003	17.29	17.54	17.10	17.48
1347	NASDAQ	OSIS	Thu, Feb 20, 2003	17.30	17.46	17.29	17.35
1346	NASDAQ	OSIS	Wed, Feb 19, 2003	17.35	17.40	17.20	17.40
1345	NASDAQ	OSIS	Tue, Feb 18, 2003	17.74	17.80	17.00	17.35
1344	NASDAQ	OSIS	Fri, Feb 14, 2003	17.45	17.78	17.32	17.70
1343	NASDAQ	OSIS	Thu, Feb 13, 2003	18.40	18.50	17.05	17.28
1342	NASDAQ	OSIS	Wed, Feb 12, 2003	18.69	18.83	18.33	18.60
1341	NASDAQ	OSIS	Tue, Feb 11, 2003	19.09	19.10	18.54	18.65
1340	NASDAQ	OSIS	Mon, Feb 10, 2003	18.35	19.01	17.69	19.00
1339	NASDAQ	OSIS	Fri, Feb 7, 2003	19.00	19.05	18.40	18.51
1338	NASDAQ	OSIS	Thu, Feb 6, 2003	18.99	19.15	18.69	19.03
1337	NASDAQ	OSIS	Wed, Feb 5, 2003	19.19	19.30	18.87	18.99
1336	NASDAQ	OSIS	Tue, Feb 4, 2003	18.88	19.28	18.88	19.10
1335	NASDAQ	OSIS	Mon, Feb 3, 2003	19.40	19.76	18.90	19.26
1334	NASDAQ	OSIS	Fri, Jan 31, 2003	19.03	19.65	18.70	19.39
1333	NASDAQ	OSIS	Thu, Jan 30, 2003	17.89	18.86	17.78	18.70
1332	NASDAQ	OSIS	Wed, Jan 29, 2003	17.00	17.59	16.76	17.59
1331	NASDAQ	OSIS	Tue, Jan 28, 2003	16.90	17.05	16.67	17.00
1330	NASDAQ	OSIS	Mon, Jan 27, 2003	17.25	17.26	16.70	16.85
1329	NASDAQ	OSIS	Fri, Jan 24, 2003	17.85	17.85	17.00	17.25
1328	NASDAQ	OSIS	Thu, Jan 23, 2003	18.15	18.25	17.76	17.85
1327	NASDAQ	OSIS	Wed, Jan 22, 2003	18.20	18.52	17.65	18.15
1326	NASDAQ	OSIS	Tue, Jan 21, 2003	18.19	18.25	17.90	18.10
1325	NASDAQ	OSIS	Fri, Jan 17, 2003	18.74	18.74	17.79	18.15
1324	NASDAQ	OSIS	Thu, Jan 16, 2003	18.13	18.88	18.10	18.79
1323	NASDAQ	OSIS	Wed, Jan 15, 2003	17.40	17.58	17.05	17.54
1322	NASDAQ	OSIS	Tue, Jan 14, 2003	17.39	17.54	17.06	17.51
1321	NASDAQ	OSIS	Mon, Jan 13, 2003	17.28	17.43	17.15	17.39
1320	NASDAQ	OSIS	Fri, Jan 10, 2003	16.62	17.42	16.51	17.16
1319	NASDAQ	OSIS	Thu, Jan 9, 2003	16.45	17.00	16.25	16.76
1318	NASDAQ	OSIS	Wed, Jan 8, 2003	16.36	16.80	16.26	16.31
1317	NASDAQ	OSIS	Tue, Jan 7, 2003	17.16	17.16	16.25	16.56
1316	NASDAQ	OSIS	Mon, Jan 6, 2003	17.23	17.23	16.96	17.11
1315	NASDAQ	OSIS	Fri, Jan 3, 2003	17.41	17.49	16.79	17.22
1314	NASDAQ	OSIS	Thu, Jan 2, 2003	16.99	17.50	16.76	17.50
1313	NASDAQ	OSIS	Tue, Dec 31, 2002	16.75	17.09	16.52	16.98
1312	NASDAQ	OSIS	Mon, Dec 30, 2002	16.86	16.97	16.75	16.90
1311	NASDAQ	OSIS	Fri, Dec 27, 2002	17.01	17.23	16.71	16.95
1310	NASDAQ	OSIS	Thu, Dec 26, 2002	17.00	17.04	16.65	17.01
1309	NASDAQ	OSIS	Tue, Dec 24, 2002	16.50	17.00	16.36	17.00
1308	NASDAQ	OSIS	Mon, Dec 23, 2002	16.16	16.83	16.16	16.83
1307	NASDAQ	OSIS	Fri, Dec 20, 2002	16.05	16.47	16.05	16.28
1306	NASDAQ	OSIS	Thu, Dec 19, 2002	16.20	16.30	16.10	16.24
1305	NASDAQ	OSIS	Wed, Dec 18, 2002	16.17	16.45	16.04	16.23
1304	NASDAQ	OSIS	Tue, Dec 17, 2002	16.80	16.97	16.01	16.03
1303	NASDAQ	OSIS	Mon, Dec 16, 2002	17.01	17.42	16.60	17.00
1302	NASDAQ	OSIS	Fri, Dec 13, 2002	16.75	17.00	16.39	16.99
1301	NASDAQ	OSIS	Thu, Dec 12, 2002	16.10	16.98	16.01	16.97
1300	NASDAQ	OSIS	Wed, Dec 11, 2002	15.86	16.26	15.50	16.15
1299	NASDAQ	OSIS	Tue, Dec 10, 2002	15.75	15.84	15.35	15.81
1298	NASDAQ	OSIS	Mon, Dec 9, 2002	16.25	16.26	15.60	15.77
1297	NASDAQ	OSIS	Fri, Dec 6, 2002	15.81	16.43	15.81	16.43
1296	NASDAQ	OSIS	Thu, Dec 5, 2002	15.67	16.12	15.36	15.90
1295	NASDAQ	OSIS	Wed, Dec 4, 2002	16.34	16.50	15.83	16.26
1294	NASDAQ	OSIS	Tue, Dec 3, 2002	16.87	16.91	15.76	16.49
1293	NASDAQ	OSIS	Mon, Dec 2, 2002	17.35	17.88	16.85	16.85
1292	NASDAQ	OSIS	Fri, Nov 29, 2002	17.53	17.66	17.18	17.30
1291	NASDAQ	OSIS	Wed, Nov 27, 2002	17.40	17.60	17.31	17.50
1290	NASDAQ	OSIS	Tue, Nov 26, 2002	17.41	17.44	17.11	17.35
1289	NASDAQ	OSIS	Mon, Nov 25, 2002	16.56	17.44	16.50	17.38
1288	NASDAQ	OSIS	Fri, Nov 22, 2002	16.07	16.55	15.82	16.45
1287	NASDAQ	OSIS	Thu, Nov 21, 2002	16.31	16.31	15.74	16.20
1286	NASDAQ	OSIS	Wed, Nov 20, 2002	15.32	15.56	15.31	15.41
1285	NASDAQ	OSIS	Tue, Nov 19, 2002	15.58	15.92	15.25	15.38
1284	NASDAQ	OSIS	Mon, Nov 18, 2002	16.38	16.38	15.40	15.73
1283	NASDAQ	OSIS	Fri, Nov 15, 2002	16.46	16.97	16.46	16.82
1282	NASDAQ	OSIS	Thu, Nov 14, 2002	16.29	16.89	16.25	16.68
1281	NASDAQ	OSIS	Wed, Nov 13, 2002	16.30	16.74	16.15	16.29
1280	NASDAQ	OSIS	Tue, Nov 12, 2002	16.49	16.80	16.05	16.34
1279	NASDAQ	OSIS	Mon, Nov 11, 2002	16.06	16.75	16.00	16.22
1278	NASDAQ	OSIS	Fri, Nov 8, 2002	15.71	16.07	15.70	16.04
1277	NASDAQ	OSIS	Thu, Nov 7, 2002	16.16	16.20	15.70	15.71
1276	NASDAQ	OSIS	Wed, Nov 6, 2002	15.50	16.20	15.34	15.95
1275	NASDAQ	OSIS	Tue, Nov 5, 2002	15.35	15.91	15.25	15.26
1274	NASDAQ	OSIS	Mon, Nov 4, 2002	16.48	16.60	15.90	15.94
1273	NASDAQ	OSIS	Fri, Nov 1, 2002	15.70	16.48	15.68	16.38
1272	NASDAQ	OSIS	Thu, Oct 31, 2002	16.00	16.33	15.85	15.99
1271	NASDAQ	OSIS	Wed, Oct 30, 2002	16.06	16.45	15.75	16.15
1270	NASDAQ	OSIS	Tue, Oct 29, 2002	16.33	16.35	15.77	16.09
1269	NASDAQ	OSIS	Mon, Oct 28, 2002	15.87	16.35	15.85	16.15
1268	NASDAQ	OSIS	Fri, Oct 25, 2002	17.03	17.30	15.66	15.79
1267	NASDAQ	OSIS	Thu, Oct 24, 2002	17.00	17.25	16.66	16.90
1266	NASDAQ	OSIS	Wed, Oct 23, 2002	15.90	16.57	15.86	16.50
1265	NASDAQ	OSIS	Tue, Oct 22, 2002	16.87	16.87	15.50	15.86
1264	NASDAQ	OSIS	Mon, Oct 21, 2002	17.30	17.31	15.85	16.77
1263	NASDAQ	OSIS	Fri, Oct 18, 2002	17.75	17.75	17.05	17.32
1262	NASDAQ	OSIS	Thu, Oct 17, 2002	17.68	18.00	16.96	17.74
1261	NASDAQ	OSIS	Wed, Oct 16, 2002	17.70	18.00	17.29	17.45
1260	NASDAQ	OSIS	Tue, Oct 15, 2002	18.35	18.65	17.69	17.80
1259	NASDAQ	OSIS	Mon, Oct 14, 2002	18.10	18.35	17.64	18.20
1258	NASDAQ	OSIS	Fri, Oct 11, 2002	17.70	18.16	17.57	18.05
1257	NASDAQ	OSIS	Thu, Oct 10, 2002	17.50	17.86	17.36	17.65
1256	NASDAQ	OSIS	Wed, Oct 9, 2002	17.59	17.90	17.10	17.53
1255	NASDAQ	OSIS	Tue, Oct 8, 2002	17.10	17.65	17.10	17.65
1254	NASDAQ	OSIS	Mon, Oct 7, 2002	17.12	17.35	16.84	17.15
1253	NASDAQ	OSIS	Fri, Oct 4, 2002	17.10	17.57	16.95	17.15
1252	NASDAQ	OSIS	Thu, Oct 3, 2002	17.55	18.10	17.05	17.11
1251	NASDAQ	OSIS	Wed, Oct 2, 2002	17.85	17.85	17.46	17.51
1250	NASDAQ	OSIS	Tue, Oct 1, 2002	17.50	17.94	17.40	17.88
1249	NASDAQ	OSIS	Mon, Sep 30, 2002	18.08	18.30	17.17	17.30
1248	NASDAQ	OSIS	Fri, Sep 27, 2002	17.61	18.53	17.55	18.25
1247	NASDAQ	OSIS	Thu, Sep 26, 2002	17.24	18.04	17.15	17.80
1246	NASDAQ	OSIS	Wed, Sep 25, 2002	16.20	17.45	16.18	17.12
1245	NASDAQ	OSIS	Tue, Sep 24, 2002	16.38	16.47	15.85	15.96
1244	NASDAQ	OSIS	Mon, Sep 23, 2002	16.81	16.95	16.20	16.38
1243	NASDAQ	OSIS	Fri, Sep 20, 2002	17.19	17.31	16.78	16.82
1242	NASDAQ	OSIS	Thu, Sep 19, 2002	18.37	18.45	16.88	17.10
1241	NASDAQ	OSIS	Wed, Sep 18, 2002	18.98	18.98	15.65	18.37
1240	NASDAQ	OSIS	Tue, Sep 17, 2002	19.99	20.06	18.65	19.10
1239	NASDAQ	OSIS	Mon, Sep 16, 2002	19.61	20.75	19.60	19.98
1238	NASDAQ	OSIS	Fri, Sep 13, 2002	18.61	19.50	18.57	19.43
1237	NASDAQ	OSIS	Thu, Sep 12, 2002	18.82	19.15	18.30	18.82
1236	NASDAQ	OSIS	Wed, Sep 11, 2002	18.80	18.97	18.62	18.90
1235	NASDAQ	OSIS	Tue, Sep 10, 2002	18.22	18.85	17.73	18.56
1234	NASDAQ	OSIS	Mon, Sep 9, 2002	18.22	18.28	17.90	18.06
1233	NASDAQ	OSIS	Fri, Sep 6, 2002	17.50	18.10	17.50	18.10
1232	NASDAQ	OSIS	Thu, Sep 5, 2002	16.80	17.50	16.76	17.31
1231	NASDAQ	OSIS	Wed, Sep 4, 2002	17.00	17.60	16.38	17.20
1230	NASDAQ	OSIS	Tue, Sep 3, 2002	17.89	17.90	16.86	16.91
1229	NASDAQ	OSIS	Fri, Aug 30, 2002	17.56	17.97	17.55	17.59
1228	NASDAQ	OSIS	Thu, Aug 29, 2002	17.66	17.99	17.07	17.53
1227	NASDAQ	OSIS	Wed, Aug 28, 2002	17.65	17.82	17.40	17.50
1226	NASDAQ	OSIS	Tue, Aug 27, 2002	18.14	18.24	17.53	17.71
1225	NASDAQ	OSIS	Mon, Aug 26, 2002	17.75	18.15	16.76	18.14
1224	NASDAQ	OSIS	Fri, Aug 23, 2002	18.47	18.67	17.41	17.65
1223	NASDAQ	OSIS	Thu, Aug 22, 2002	19.95	20.19	18.15	18.70
1222	NASDAQ	OSIS	Wed, Aug 21, 2002	18.30	19.50	17.52	19.49
1221	NASDAQ	OSIS	Tue, Aug 20, 2002	17.01	18.16	17.01	18.06
1220	NASDAQ	OSIS	Mon, Aug 19, 2002	16.33	17.20	16.25	17.09
1219	NASDAQ	OSIS	Fri, Aug 16, 2002	16.12	16.62	15.91	16.50
1218	NASDAQ	OSIS	Thu, Aug 15, 2002	16.80	17.22	16.12	16.22
1217	NASDAQ	OSIS	Wed, Aug 14, 2002	16.40	16.70	15.35	16.40
1216	NASDAQ	OSIS	Tue, Aug 13, 2002	15.61	16.79	15.61	16.41
1215	NASDAQ	OSIS	Mon, Aug 12, 2002	14.50	14.74	14.01	14.47
1214	NASDAQ	OSIS	Fri, Aug 9, 2002	13.81	14.61	13.75	14.55
1213	NASDAQ	OSIS	Thu, Aug 8, 2002	13.91	14.42	13.32	13.95
1212	NASDAQ	OSIS	Wed, Aug 7, 2002	13.90	14.17	13.15	13.91
1211	NASDAQ	OSIS	Tue, Aug 6, 2002	13.40	14.25	13.25	13.83
1210	NASDAQ	OSIS	Mon, Aug 5, 2002	13.52	13.81	13.16	13.48
1209	NASDAQ	OSIS	Fri, Aug 2, 2002	14.85	15.01	12.57	13.50
1208	NASDAQ	OSIS	Thu, Aug 1, 2002	15.25	15.29	14.29	14.81
1207	NASDAQ	OSIS	Wed, Jul 31, 2002	15.39	16.00	14.87	15.02
1206	NASDAQ	OSIS	Tue, Jul 30, 2002	14.64	15.10	14.33	15.05
1205	NASDAQ	OSIS	Mon, Jul 29, 2002	14.02	14.88	13.92	14.41
1204	NASDAQ	OSIS	Fri, Jul 26, 2002	13.81	14.13	13.65	13.83
1203	NASDAQ	OSIS	Thu, Jul 25, 2002	14.65	14.74	13.35	13.60
1202	NASDAQ	OSIS	Wed, Jul 24, 2002	14.08	14.70	13.69	14.48
1201	NASDAQ	OSIS	Tue, Jul 23, 2002	15.12	15.38	13.82	14.20
1200	NASDAQ	OSIS	Mon, Jul 22, 2002	16.51	16.51	15.00	15.06
1199	NASDAQ	OSIS	Fri, Jul 19, 2002	17.03	17.50	16.39	16.51
1198	NASDAQ	OSIS	Thu, Jul 18, 2002	18.40	18.62	17.02	17.12
1197	NASDAQ	OSIS	Wed, Jul 17, 2002	18.43	19.14	17.76	18.50
1196	NASDAQ	OSIS	Tue, Jul 16, 2002	17.10	18.29	17.06	18.21
1195	NASDAQ	OSIS	Mon, Jul 15, 2002	17.25	17.45	16.70	17.40
1194	NASDAQ	OSIS	Fri, Jul 12, 2002	17.54	17.73	16.80	16.81
1193	NASDAQ	OSIS	Thu, Jul 11, 2002	17.31	17.76	16.35	17.56
1192	NASDAQ	OSIS	Wed, Jul 10, 2002	18.00	18.00	17.08	17.72
1191	NASDAQ	OSIS	Tue, Jul 9, 2002	17.80	17.99	17.51	17.90
1190	NASDAQ	OSIS	Mon, Jul 8, 2002	18.18	18.39	17.60	17.68
1189	NASDAQ	OSIS	Fri, Jul 5, 2002	18.00	18.40	17.92	18.03
1188	NASDAQ	OSIS	Wed, Jul 3, 2002	17.40	17.92	16.48	17.70
1187	NASDAQ	OSIS	Tue, Jul 2, 2002	17.99	18.25	17.40	17.58
1186	NASDAQ	OSIS	Mon, Jul 1, 2002	19.79	19.80	17.40	18.05
1185	NASDAQ	OSIS	Fri, Jun 28, 2002	20.08	20.22	19.25	19.83
1184	NASDAQ	OSIS	Thu, Jun 27, 2002	19.50	20.10	19.35	20.10
1183	NASDAQ	OSIS	Wed, Jun 26, 2002	18.86	19.59	18.60	19.44
1182	NASDAQ	OSIS	Tue, Jun 25, 2002	19.35	19.70	18.80	18.95
1181	NASDAQ	OSIS	Mon, Jun 24, 2002	18.95	19.45	18.67	19.30
1180	NASDAQ	OSIS	Fri, Jun 21, 2002	18.76	19.40	18.75	19.19
1179	NASDAQ	OSIS	Thu, Jun 20, 2002	19.01	19.50	18.75	19.08
1178	NASDAQ	OSIS	Wed, Jun 19, 2002	18.89	19.99	18.76	19.00
1177	NASDAQ	OSIS	Tue, Jun 18, 2002	18.41	19.94	18.40	19.41
1176	NASDAQ	OSIS	Mon, Jun 17, 2002	20.64	20.69	18.50	18.71
1175	NASDAQ	OSIS	Fri, Jun 14, 2002	20.75	20.76	20.00	20.64
1174	NASDAQ	OSIS	Thu, Jun 13, 2002	20.95	21.45	20.40	20.96
1173	NASDAQ	OSIS	Wed, Jun 12, 2002	20.61	21.30	19.80	21.17
1172	NASDAQ	OSIS	Tue, Jun 11, 2002	20.02	20.88	19.78	20.88
1171	NASDAQ	OSIS	Mon, Jun 10, 2002	19.90	20.50	19.50	19.87
1170	NASDAQ	OSIS	Fri, Jun 7, 2002	19.80	20.27	19.50	19.57
1169	NASDAQ	OSIS	Thu, Jun 6, 2002	20.25	20.95	19.79	19.90
1168	NASDAQ	OSIS	Wed, Jun 5, 2002	20.40	20.95	19.79	20.25
1167	NASDAQ	OSIS	Tue, Jun 4, 2002	20.57	20.75	20.10	20.72
1166	NASDAQ	OSIS	Mon, Jun 3, 2002	20.60	21.15	20.40	20.55
1165	NASDAQ	OSIS	Fri, May 31, 2002	21.11	21.40	20.35	20.72
1164	NASDAQ	OSIS	Thu, May 30, 2002	20.86	21.38	20.65	21.04
1163	NASDAQ	OSIS	Wed, May 29, 2002	20.40	21.29	20.31	20.99
1162	NASDAQ	OSIS	Tue, May 28, 2002	21.11	21.62	20.10	20.49
1161	NASDAQ	OSIS	Fri, May 24, 2002	21.65	21.70	21.08	21.13
1160	NASDAQ	OSIS	Thu, May 23, 2002	21.36	21.95	21.03	21.30
1159	NASDAQ	OSIS	Wed, May 22, 2002	21.25	21.78	20.95	21.33
1158	NASDAQ	OSIS	Tue, May 21, 2002	20.11	21.75	19.75	21.40
1157	NASDAQ	OSIS	Mon, May 20, 2002	19.03	20.12	19.02	20.00
1156	NASDAQ	OSIS	Fri, May 17, 2002	19.52	19.52	18.80	19.34
1155	NASDAQ	OSIS	Thu, May 16, 2002	19.98	20.10	18.81	19.30
1154	NASDAQ	OSIS	Wed, May 15, 2002	19.67	19.99	19.50	19.90
1153	NASDAQ	OSIS	Tue, May 14, 2002	19.67	20.33	19.66	19.68
1152	NASDAQ	OSIS	Mon, May 13, 2002	19.37	19.72	18.43	19.38
1151	NASDAQ	OSIS	Fri, May 10, 2002	20.00	20.49	18.81	19.53
1150	NASDAQ	OSIS	Thu, May 9, 2002	21.20	21.40	19.75	19.81
1149	NASDAQ	OSIS	Wed, May 8, 2002	19.60	21.33	19.43	20.93
1148	NASDAQ	OSIS	Tue, May 7, 2002	19.51	20.00	19.19	19.27
1147	NASDAQ	OSIS	Mon, May 6, 2002	19.30	19.94	19.02	19.53
1146	NASDAQ	OSIS	Fri, May 3, 2002	18.35	20.00	18.20	19.65
1145	NASDAQ	OSIS	Thu, May 2, 2002	19.67	19.73	17.86	18.34
1144	NASDAQ	OSIS	Wed, May 1, 2002	19.75	20.08	19.50	19.74
1143	NASDAQ	OSIS	Tue, Apr 30, 2002	19.19	20.40	19.13	19.98
1142	NASDAQ	OSIS	Mon, Apr 29, 2002	19.20	19.84	19.15	19.49
1141	NASDAQ	OSIS	Fri, Apr 26, 2002	21.15	21.24	19.00	20.02
1140	NASDAQ	OSIS	Thu, Apr 25, 2002	18.00	21.77	17.15	20.80
1139	NASDAQ	OSIS	Wed, Apr 24, 2002	24.13	24.88	20.10	20.93
1138	NASDAQ	OSIS	Tue, Apr 23, 2002	23.60	24.10	23.50	23.65
1137	NASDAQ	OSIS	Mon, Apr 22, 2002	23.15	24.48	23.15	23.30
1136	NASDAQ	OSIS	Fri, Apr 19, 2002	22.35	23.84	22.00	23.61
1135	NASDAQ	OSIS	Thu, Apr 18, 2002	22.67	22.76	21.10	22.18
1134	NASDAQ	OSIS	Wed, Apr 17, 2002	23.26	23.75	22.70	22.91
1133	NASDAQ	OSIS	Tue, Apr 16, 2002	24.69	24.71	23.30	23.53
1132	NASDAQ	OSIS	Mon, Apr 15, 2002	24.16	24.49	23.27	24.30
1131	NASDAQ	OSIS	Fri, Apr 12, 2002	24.75	24.89	23.47	24.00
1130	NASDAQ	OSIS	Thu, Apr 11, 2002	24.75	25.22	24.22	24.41
1129	NASDAQ	OSIS	Wed, Apr 10, 2002	24.93	25.05	24.00	24.94
1128	NASDAQ	OSIS	Tue, Apr 9, 2002	23.84	25.20	23.82	24.85
1127	NASDAQ	OSIS	Mon, Apr 8, 2002	22.40	23.00	22.20	22.35
1126	NASDAQ	OSIS	Fri, Apr 5, 2002	23.69	23.91	22.50	22.50
1125	NASDAQ	OSIS	Thu, Apr 4, 2002	23.36	23.97	22.11	23.97
1124	NASDAQ	OSIS	Wed, Apr 3, 2002	25.00	25.05	23.30	23.37
1123	NASDAQ	OSIS	Tue, Apr 2, 2002	25.40	25.64	24.50	24.75
1122	NASDAQ	OSIS	Mon, Apr 1, 2002	24.90	25.40	24.61	25.14
1121	NASDAQ	OSIS	Thu, Mar 28, 2002	24.97	25.30	24.51	25.20
1120	NASDAQ	OSIS	Wed, Mar 27, 2002	24.93	25.10	24.45	24.75
1119	NASDAQ	OSIS	Tue, Mar 26, 2002	24.45	25.37	24.00	25.20
1118	NASDAQ	OSIS	Mon, Mar 25, 2002	23.88	24.60	23.50	24.23
1117	NASDAQ	OSIS	Fri, Mar 22, 2002	24.95	25.00	23.45	23.50
1116	NASDAQ	OSIS	Thu, Mar 21, 2002	26.70	26.80	24.52	25.08
1115	NASDAQ	OSIS	Wed, Mar 20, 2002	26.41	26.48	26.10	26.40
1114	NASDAQ	OSIS	Tue, Mar 19, 2002	25.59	26.85	25.47	26.50
1113	NASDAQ	OSIS	Mon, Mar 18, 2002	25.21	26.28	25.20	25.23
1112	NASDAQ	OSIS	Fri, Mar 15, 2002	24.44	25.27	23.86	25.09
1111	NASDAQ	OSIS	Thu, Mar 14, 2002	25.08	26.44	24.25	24.45
1110	NASDAQ	OSIS	Wed, Mar 13, 2002	28.88	28.97	25.30	25.60
1109	NASDAQ	OSIS	Tue, Mar 12, 2002	25.98	28.14	25.18	27.14
1108	NASDAQ	OSIS	Mon, Mar 11, 2002	25.11	26.50	24.52	26.37
1107	NASDAQ	OSIS	Fri, Mar 8, 2002	25.07	25.74	24.02	25.00
1106	NASDAQ	OSIS	Thu, Mar 7, 2002	25.41	25.95	23.56	23.90
1105	NASDAQ	OSIS	Wed, Mar 6, 2002	24.00	25.69	24.00	24.82
1104	NASDAQ	OSIS	Tue, Mar 5, 2002	21.89	24.28	21.73	23.50
1103	NASDAQ	OSIS	Mon, Mar 4, 2002	21.11	22.30	20.72	21.90
1102	NASDAQ	OSIS	Fri, Mar 1, 2002	21.09	21.68	20.70	21.10
1101	NASDAQ	OSIS	Thu, Feb 28, 2002	21.84	22.14	20.66	21.00
1100	NASDAQ	OSIS	Wed, Feb 27, 2002	22.92	22.93	21.20	21.73
1099	NASDAQ	OSIS	Tue, Feb 26, 2002	22.95	23.20	22.29	22.60
1098	NASDAQ	OSIS	Mon, Feb 25, 2002	22.19	22.95	22.00	22.60
1097	NASDAQ	OSIS	Fri, Feb 22, 2002	21.30	21.95	20.75	21.54
1096	NASDAQ	OSIS	Thu, Feb 21, 2002	22.50	22.50	21.02	21.02
1095	NASDAQ	OSIS	Wed, Feb 20, 2002	22.49	23.40	21.65	22.15
1094	NASDAQ	OSIS	Tue, Feb 19, 2002	22.53	22.90	21.40	22.22
1093	NASDAQ	OSIS	Fri, Feb 15, 2002	23.05	23.35	22.50	22.82
1092	NASDAQ	OSIS	Thu, Feb 14, 2002	23.79	24.47	22.53	23.09
1091	NASDAQ	OSIS	Wed, Feb 13, 2002	23.75	24.53	23.26	23.98
1090	NASDAQ	OSIS	Tue, Feb 12, 2002	22.47	24.73	22.30	23.91
1089	NASDAQ	OSIS	Mon, Feb 11, 2002	21.99	22.92	21.00	22.20
1088	NASDAQ	OSIS	Fri, Feb 8, 2002	23.21	23.29	21.32	22.06
1087	NASDAQ	OSIS	Thu, Feb 7, 2002	22.75	23.79	22.00	23.15
1086	NASDAQ	OSIS	Wed, Feb 6, 2002	24.98	25.45	22.80	23.49
1085	NASDAQ	OSIS	Tue, Feb 5, 2002	27.40	27.75	23.75	24.10
1084	NASDAQ	OSIS	Mon, Feb 4, 2002	25.85	26.80	25.50	25.84
1083	NASDAQ	OSIS	Fri, Feb 1, 2002	25.39	27.24	24.82	25.34
1082	NASDAQ	OSIS	Thu, Jan 31, 2002	22.60	25.32	21.90	25.17
1081	NASDAQ	OSIS	Wed, Jan 30, 2002	20.55	21.84	18.61	21.58
1080	NASDAQ	OSIS	Tue, Jan 29, 2002	21.25	21.26	19.13	19.95
1079	NASDAQ	OSIS	Mon, Jan 28, 2002	21.35	21.61	20.82	21.18
1078	NASDAQ	OSIS	Fri, Jan 25, 2002	21.72	22.75	20.40	21.30
1077	NASDAQ	OSIS	Thu, Jan 24, 2002	19.35	21.80	19.15	21.49
1076	NASDAQ	OSIS	Wed, Jan 23, 2002	18.36	19.56	17.85	19.30
1075	NASDAQ	OSIS	Tue, Jan 22, 2002	19.62	19.95	17.50	18.24
1074	NASDAQ	OSIS	Fri, Jan 18, 2002	20.78	20.88	19.45	19.94
1073	NASDAQ	OSIS	Thu, Jan 17, 2002	18.32	20.25	18.32	19.89
1072	NASDAQ	OSIS	Wed, Jan 16, 2002	18.70	18.85	17.50	18.49
1071	NASDAQ	OSIS	Tue, Jan 15, 2002	19.53	19.90	18.35	18.55
1070	NASDAQ	OSIS	Mon, Jan 14, 2002	17.99	20.00	17.42	19.84
1069	NASDAQ	OSIS	Fri, Jan 11, 2002	17.25	17.40	16.71	16.90
1068	NASDAQ	OSIS	Thu, Jan 10, 2002	17.40	17.52	16.50	17.36
1067	NASDAQ	OSIS	Wed, Jan 9, 2002	17.97	18.25	17.28	17.52
1066	NASDAQ	OSIS	Tue, Jan 8, 2002	18.94	19.05	17.40	17.75
1065	NASDAQ	OSIS	Mon, Jan 7, 2002	17.96	18.00	16.96	17.75
1064	NASDAQ	OSIS	Fri, Jan 4, 2002	18.92	18.98	16.95	18.12
1063	NASDAQ	OSIS	Thu, Jan 3, 2002	17.95	19.00	17.75	18.87
1062	NASDAQ	OSIS	Wed, Jan 2, 2002	17.15	18.20	17.05	17.40
1061	NASDAQ	OSIS	Mon, Dec 31, 2001	17.80	18.41	16.77	18.24
1060	NASDAQ	OSIS	Fri, Dec 28, 2001	18.87	18.88	17.23	17.94
1059	NASDAQ	OSIS	Thu, Dec 27, 2001	20.54	20.55	17.61	18.71
1058	NASDAQ	OSIS	Wed, Dec 26, 2001	16.74	19.35	16.61	19.20
1057	NASDAQ	OSIS	Mon, Dec 24, 2001	15.95	16.30	15.50	16.20
1056	NASDAQ	OSIS	Fri, Dec 21, 2001	16.35	16.75	14.15	14.50
1055	NASDAQ	OSIS	Thu, Dec 20, 2001	16.19	16.57	15.80	16.20
1054	NASDAQ	OSIS	Wed, Dec 19, 2001	16.76	17.64	15.65	16.05
1053	NASDAQ	OSIS	Tue, Dec 18, 2001	20.70	21.31	16.50	16.69
1052	NASDAQ	OSIS	Mon, Dec 17, 2001	20.54	21.28	20.33	20.70
1051	NASDAQ	OSIS	Fri, Dec 14, 2001	19.66	20.35	19.49	20.30
1050	NASDAQ	OSIS	Thu, Dec 13, 2001	20.05	20.68	19.00	19.30
1049	NASDAQ	OSIS	Wed, Dec 12, 2001	18.80	20.20	18.50	20.02
1048	NASDAQ	OSIS	Tue, Dec 11, 2001	20.45	20.80	17.70	18.30
1047	NASDAQ	OSIS	Mon, Dec 10, 2001	22.27	22.45	20.30	20.53
1046	NASDAQ	OSIS	Fri, Dec 7, 2001	18.95	22.20	18.85	21.90
1045	NASDAQ	OSIS	Thu, Dec 6, 2001	18.99	19.20	18.25	18.77
1044	NASDAQ	OSIS	Wed, Dec 5, 2001	19.65	19.68	19.00	19.24
1043	NASDAQ	OSIS	Tue, Dec 4, 2001	20.16	20.30	18.25	18.98
1042	NASDAQ	OSIS	Mon, Dec 3, 2001	18.48	23.46	18.25	19.10
1041	NASDAQ	OSIS	Fri, Nov 30, 2001	16.90	19.00	16.83	18.57
1040	NASDAQ	OSIS	Thu, Nov 29, 2001	16.75	17.25	16.16	16.85
1039	NASDAQ	OSIS	Wed, Nov 28, 2001	18.00	18.61	16.29	16.50
1038	NASDAQ	OSIS	Tue, Nov 27, 2001	18.63	18.81	17.81	18.13
1037	NASDAQ	OSIS	Mon, Nov 26, 2001	17.63	18.75	17.58	18.75
1036	NASDAQ	OSIS	Fri, Nov 23, 2001	17.70	17.90	17.32	17.50
1035	NASDAQ	OSIS	Wed, Nov 21, 2001	16.95	18.00	16.87	17.17
1034	NASDAQ	OSIS	Tue, Nov 20, 2001	14.80	16.95	14.60	16.90
1033	NASDAQ	OSIS	Mon, Nov 19, 2001	15.00	15.08	13.86	14.93
1032	NASDAQ	OSIS	Fri, Nov 16, 2001	14.11	14.80	13.50	14.76
1031	NASDAQ	OSIS	Thu, Nov 15, 2001	13.25	14.25	13.25	13.88
1030	NASDAQ	OSIS	Wed, Nov 14, 2001	11.96	13.50	11.77	13.33
1029	NASDAQ	OSIS	Tue, Nov 13, 2001	13.85	14.37	12.88	13.00
1028	NASDAQ	OSIS	Mon, Nov 12, 2001	13.70	14.94	13.35	13.45
1027	NASDAQ	OSIS	Fri, Nov 9, 2001	13.15	14.22	13.15	13.52
1026	NASDAQ	OSIS	Thu, Nov 8, 2001	13.92	13.99	13.15	13.60
1025	NASDAQ	OSIS	Wed, Nov 7, 2001	14.11	14.11	13.13	13.79
1024	NASDAQ	OSIS	Tue, Nov 6, 2001	15.39	15.40	14.30	14.30
1023	NASDAQ	OSIS	Mon, Nov 5, 2001	15.81	16.10	15.31	15.60
1022	NASDAQ	OSIS	Fri, Nov 2, 2001	16.85	16.86	15.75	15.80
1021	NASDAQ	OSIS	Thu, Nov 1, 2001	15.60	17.10	15.59	16.81
1020	NASDAQ	OSIS	Wed, Oct 31, 2001	15.41	16.00	15.26	15.70
1019	NASDAQ	OSIS	Tue, Oct 30, 2001	16.24	16.32	14.96	15.49
1018	NASDAQ	OSIS	Mon, Oct 29, 2001	15.56	16.55	15.41	15.97
1017	NASDAQ	OSIS	Fri, Oct 26, 2001	15.60	15.66	14.30	14.90
1016	NASDAQ	OSIS	Thu, Oct 25, 2001	14.56	15.70	14.56	15.48
1015	NASDAQ	OSIS	Wed, Oct 24, 2001	14.78	14.78	14.16	14.50
1014	NASDAQ	OSIS	Tue, Oct 23, 2001	15.52	16.20	14.57	14.74
1013	NASDAQ	OSIS	Mon, Oct 22, 2001	14.49	16.00	14.45	16.00
1012	NASDAQ	OSIS	Fri, Oct 19, 2001	14.05	14.30	12.75	14.29
1011	NASDAQ	OSIS	Thu, Oct 18, 2001	13.69	14.65	13.38	14.30
1010	NASDAQ	OSIS	Wed, Oct 17, 2001	14.06	14.09	13.05	13.20
1009	NASDAQ	OSIS	Tue, Oct 16, 2001	12.10	14.10	11.92	14.09
1008	NASDAQ	OSIS	Mon, Oct 15, 2001	11.31	11.60	10.18	10.50
1007	NASDAQ	OSIS	Fri, Oct 12, 2001	9.30	11.01	9.00	10.66
1006	NASDAQ	OSIS	Thu, Oct 11, 2001	10.35	10.44	8.76	9.49
1005	NASDAQ	OSIS	Wed, Oct 10, 2001	10.16	11.90	10.10	10.23
1004	NASDAQ	OSIS	Tue, Oct 9, 2001	11.75	11.90	10.41	10.45
1003	NASDAQ	OSIS	Mon, Oct 8, 2001	9.59	11.40	9.30	11.20
1002	NASDAQ	OSIS	Fri, Oct 5, 2001	7.69	8.80	7.42	8.75
1001	NASDAQ	OSIS	Thu, Oct 4, 2001	8.08	8.08	7.39	7.42
1000	NASDAQ	OSIS	Wed, Oct 3, 2001	8.10	8.22	7.65	7.75
999	NASDAQ	OSIS	Tue, Oct 2, 2001	8.18	8.18	7.98	8.06
998	NASDAQ	OSIS	Mon, Oct 1, 2001	8.00	8.40	7.73	8.14
997	NASDAQ	OSIS	Fri, Sep 28, 2001	6.94	8.00	6.60	7.91
996	NASDAQ	OSIS	Thu, Sep 27, 2001	7.21	7.40	6.25	6.85
995	NASDAQ	OSIS	Wed, Sep 26, 2001	7.42	7.44	6.92	7.25
994	NASDAQ	OSIS	Tue, Sep 25, 2001	8.50	8.56	7.00	7.40
993	NASDAQ	OSIS	Mon, Sep 24, 2001	8.35	8.75	8.16	8.56
992	NASDAQ	OSIS	Fri, Sep 21, 2001	8.08	8.62	7.94	8.10
991	NASDAQ	OSIS	Thu, Sep 20, 2001	6.99	8.03	6.75	7.88
990	NASDAQ	OSIS	Wed, Sep 19, 2001	6.44	7.00	6.40	6.86
989	NASDAQ	OSIS	Tue, Sep 18, 2001	7.36	7.50	6.36	6.50
988	NASDAQ	OSIS	Mon, Sep 17, 2001	9.81	10.00	6.50	7.16
987	NASDAQ	OSIS	Mon, Sep 10, 2001	3.90	4.08	3.90	4.07
986	NASDAQ	OSIS	Fri, Sep 7, 2001	3.91	4.16	3.86	4.16
985	NASDAQ	OSIS	Thu, Sep 6, 2001	4.00	4.04	3.85	3.85
984	NASDAQ	OSIS	Wed, Sep 5, 2001	3.95	4.07	3.85	4.07
983	NASDAQ	OSIS	Tue, Sep 4, 2001	4.00	4.24	3.96	4.07
982	NASDAQ	OSIS	Fri, Aug 31, 2001	3.95	4.38	3.95	4.25
981	NASDAQ	OSIS	Thu, Aug 30, 2001	3.70	3.88	3.55	3.88
980	NASDAQ	OSIS	Wed, Aug 29, 2001	3.45	3.70	3.39	3.68
979	NASDAQ	OSIS	Tue, Aug 28, 2001	3.46	3.46	3.46	3.46
978	NASDAQ	OSIS	Mon, Aug 27, 2001	3.44	3.55	3.43	3.43
977	NASDAQ	OSIS	Fri, Aug 24, 2001	3.30	3.50	3.30	3.50
976	NASDAQ	OSIS	Thu, Aug 23, 2001	3.26	3.40	3.26	3.30
975	NASDAQ	OSIS	Wed, Aug 22, 2001	3.35	3.45	3.27	3.29
974	NASDAQ	OSIS	Tue, Aug 21, 2001	3.39	3.40	3.25	3.28
973	NASDAQ	OSIS	Mon, Aug 20, 2001	3.35	3.48	3.07	3.44
972	NASDAQ	OSIS	Fri, Aug 17, 2001	3.12	3.45	3.12	3.36
971	NASDAQ	OSIS	Thu, Aug 16, 2001	3.43	3.43	3.23	3.40
970	NASDAQ	OSIS	Wed, Aug 15, 2001	3.22	3.49	3.22	3.48
969	NASDAQ	OSIS	Tue, Aug 14, 2001	3.25	3.44	3.10	3.44
968	NASDAQ	OSIS	Mon, Aug 13, 2001	3.58	3.58	3.25	3.25
967	NASDAQ	OSIS	Fri, Aug 10, 2001	3.25	3.61	3.20	3.40
966	NASDAQ	OSIS	Thu, Aug 9, 2001	3.09	3.25	3.08	3.14
965	NASDAQ	OSIS	Wed, Aug 8, 2001	3.23	3.23	3.23	3.23
964	NASDAQ	OSIS	Tue, Aug 7, 2001	3.16	3.20	3.16	3.20
963	NASDAQ	OSIS	Mon, Aug 6, 2001	3.15	3.25	3.15	3.15
962	NASDAQ	OSIS	Fri, Aug 3, 2001	3.15	3.24	3.15	3.24
961	NASDAQ	OSIS	Thu, Aug 2, 2001	3.15	3.20	3.15	3.20
960	NASDAQ	OSIS	Wed, Aug 1, 2001	3.16	3.21	3.06	3.15
959	NASDAQ	OSIS	Tue, Jul 31, 2001	3.20	3.21	3.20	3.21
958	NASDAQ	OSIS	Mon, Jul 30, 2001	3.30	3.30	3.10	3.29
957	NASDAQ	OSIS	Fri, Jul 27, 2001	3.07	3.30	3.07	3.30
956	NASDAQ	OSIS	Thu, Jul 26, 2001	3.25	3.25	3.06	3.19
955	NASDAQ	OSIS	Wed, Jul 25, 2001	3.25	3.30	3.20	3.29
954	NASDAQ	OSIS	Tue, Jul 24, 2001	3.07	3.30	3.07	3.30
953	NASDAQ	OSIS	Mon, Jul 23, 2001	3.25	3.29	3.10	3.29
952	NASDAQ	OSIS	Fri, Jul 20, 2001	3.22	3.29	3.20	3.29
951	NASDAQ	OSIS	Thu, Jul 19, 2001	3.30	3.30	3.24	3.24
950	NASDAQ	OSIS	Wed, Jul 18, 2001	3.25	3.25	3.25	3.25
949	NASDAQ	OSIS	Tue, Jul 17, 2001	3.27	3.29	3.25	3.25
948	NASDAQ	OSIS	Mon, Jul 16, 2001	3.32	3.50	3.30	3.49
947	NASDAQ	OSIS	Fri, Jul 13, 2001	3.45	3.45	3.32	3.32
946	NASDAQ	OSIS	Thu, Jul 12, 2001	3.55	3.55	3.45	3.50
945	NASDAQ	OSIS	Wed, Jul 11, 2001	3.55	3.55	3.55	3.55
944	NASDAQ	OSIS	Tue, Jul 10, 2001	3.50	3.53	3.50	3.50
943	NASDAQ	OSIS	Mon, Jul 9, 2001	3.63	3.63	3.50	3.50
942	NASDAQ	OSIS	Fri, Jul 6, 2001	3.63	3.74	3.63	3.68
941	NASDAQ	OSIS	Thu, Jul 5, 2001	3.75	3.75	3.50	3.75
940	NASDAQ	OSIS	Tue, Jul 3, 2001	3.90	3.90	3.75	3.79
939	NASDAQ	OSIS	Mon, Jul 2, 2001	3.85	3.85	3.72	3.73
938	NASDAQ	OSIS	Fri, Jun 29, 2001	3.72	3.90	3.72	3.72
937	NASDAQ	OSIS	Thu, Jun 28, 2001	3.92	3.96	3.76	3.86
936	NASDAQ	OSIS	Wed, Jun 27, 2001	3.75	3.75	3.70	3.70
935	NASDAQ	OSIS	Tue, Jun 26, 2001	3.71	3.75	3.70	3.75
934	NASDAQ	OSIS	Mon, Jun 25, 2001	3.90	3.97	3.75	3.75
933	NASDAQ	OSIS	Fri, Jun 22, 2001	3.90	3.98	3.82	3.97
932	NASDAQ	OSIS	Thu, Jun 21, 2001	3.97	3.98	3.85	3.90
931	NASDAQ	OSIS	Wed, Jun 20, 2001	3.92	3.98	3.90	3.97
930	NASDAQ	OSIS	Tue, Jun 19, 2001	3.92	4.00	3.92	3.92
929	NASDAQ	OSIS	Mon, Jun 18, 2001	4.00	4.00	3.92	3.92
928	NASDAQ	OSIS	Fri, Jun 15, 2001	3.90	4.00	3.90	3.92
927	NASDAQ	OSIS	Thu, Jun 14, 2001	3.90	4.00	3.90	3.90
926	NASDAQ	OSIS	Wed, Jun 13, 2001	4.22	4.22	3.83	3.83
925	NASDAQ	OSIS	Tue, Jun 12, 2001	4.09	4.09	3.96	4.00
924	NASDAQ	OSIS	Mon, Jun 11, 2001	4.12	4.20	4.00	4.05
923	NASDAQ	OSIS	Fri, Jun 8, 2001	3.97	4.15	3.91	3.96
922	NASDAQ	OSIS	Thu, Jun 7, 2001	3.96	4.15	3.96	4.00
921	NASDAQ	OSIS	Wed, Jun 6, 2001	3.97	4.22	3.96	3.96
920	NASDAQ	OSIS	Tue, Jun 5, 2001	3.96	4.13	3.96	4.10
919	NASDAQ	OSIS	Mon, Jun 4, 2001	3.97	4.14	3.97	3.97
918	NASDAQ	OSIS	Fri, Jun 1, 2001	3.83	4.12	3.83	3.96
917	NASDAQ	OSIS	Thu, May 31, 2001	3.83	4.10	3.83	4.10
916	NASDAQ	OSIS	Wed, May 30, 2001	4.00	4.00	3.80	3.87
915	NASDAQ	OSIS	Tue, May 29, 2001	3.87	4.15	3.86	4.00
914	NASDAQ	OSIS	Fri, May 25, 2001	4.20	4.20	3.80	3.87
913	NASDAQ	OSIS	Thu, May 24, 2001	3.91	4.00	3.78	3.80
912	NASDAQ	OSIS	Wed, May 23, 2001	3.57	3.83	3.55	3.79
911	NASDAQ	OSIS	Tue, May 22, 2001	3.65	3.65	3.56	3.58
910	NASDAQ	OSIS	Mon, May 21, 2001	3.66	3.66	3.60	3.63
909	NASDAQ	OSIS	Fri, May 18, 2001	3.70	3.70	3.61	3.65
908	NASDAQ	OSIS	Thu, May 17, 2001	3.91	3.91	3.60	3.66
907	NASDAQ	OSIS	Wed, May 16, 2001	3.64	3.75	3.63	3.66
906	NASDAQ	OSIS	Tue, May 15, 2001	3.80	3.80	3.63	3.63
905	NASDAQ	OSIS	Mon, May 14, 2001	3.97	3.98	3.78	3.80
904	NASDAQ	OSIS	Fri, May 11, 2001	3.93	3.97	3.93	3.97
903	NASDAQ	OSIS	Thu, May 10, 2001	4.00	4.01	3.93	3.93
902	NASDAQ	OSIS	Wed, May 9, 2001	4.15	4.16	3.95	3.95
901	NASDAQ	OSIS	Tue, May 8, 2001	4.06	4.24	3.90	4.10
900	NASDAQ	OSIS	Mon, May 7, 2001	4.25	4.25	4.05	4.20
899	NASDAQ	OSIS	Fri, May 4, 2001	3.92	4.17	3.92	4.05
898	NASDAQ	OSIS	Thu, May 3, 2001	4.15	4.24	4.00	4.05
897	NASDAQ	OSIS	Wed, May 2, 2001	3.76	4.15	3.71	4.15
896	NASDAQ	OSIS	Tue, May 1, 2001	4.25	4.25	3.70	3.76
895	NASDAQ	OSIS	Mon, Apr 30, 2001	4.30	4.48	4.20	4.25
894	NASDAQ	OSIS	Fri, Apr 27, 2001	4.14	4.49	4.14	4.40
893	NASDAQ	OSIS	Thu, Apr 26, 2001	4.25	4.26	4.15	4.15
892	NASDAQ	OSIS	Wed, Apr 25, 2001	4.02	4.35	4.01	4.29
891	NASDAQ	OSIS	Tue, Apr 24, 2001	4.40	4.42	4.04	4.10
890	NASDAQ	OSIS	Mon, Apr 23, 2001	3.62	4.37	3.56	4.13
889	NASDAQ	OSIS	Fri, Apr 20, 2001	3.27	3.51	3.26	3.51
888	NASDAQ	OSIS	Thu, Apr 19, 2001	3.20	3.20	3.05	3.20
887	NASDAQ	OSIS	Wed, Apr 18, 2001	2.96	3.17	2.95	3.13
886	NASDAQ	OSIS	Tue, Apr 17, 2001	3.18	3.18	2.93	2.96
885	NASDAQ	OSIS	Mon, Apr 16, 2001	2.96	3.15	2.95	2.97
884	NASDAQ	OSIS	Thu, Apr 12, 2001	2.85	2.94	2.85	2.90
883	NASDAQ	OSIS	Wed, Apr 11, 2001	3.00	3.10	2.85	3.05
882	NASDAQ	OSIS	Tue, Apr 10, 2001	3.02	3.07	2.90	3.00
881	NASDAQ	OSIS	Mon, Apr 9, 2001	2.70	3.00	2.65	3.00
880	NASDAQ	OSIS	Fri, Apr 6, 2001	2.98	2.98	2.78	2.78
879	NASDAQ	OSIS	Thu, Apr 5, 2001	2.75	3.31	2.75	3.00
878	NASDAQ	OSIS	Wed, Apr 4, 2001	3.14	3.19	2.69	2.81
877	NASDAQ	OSIS	Tue, Apr 3, 2001	3.02	3.02	2.88	2.88
876	NASDAQ	OSIS	Mon, Apr 2, 2001	3.25	3.25	3.02	3.02
875	NASDAQ	OSIS	Fri, Mar 30, 2001	3.38	3.38	2.97	3.19
874	NASDAQ	OSIS	Thu, Mar 29, 2001	3.23	3.28	3.16	3.25
873	NASDAQ	OSIS	Wed, Mar 28, 2001	3.13	3.31	3.13	3.25
872	NASDAQ	OSIS	Tue, Mar 27, 2001	3.50	3.63	3.00	3.31
871	NASDAQ	OSIS	Mon, Mar 26, 2001	3.61	3.69	3.50	3.50
870	NASDAQ	OSIS	Fri, Mar 23, 2001	3.59	3.94	3.59	3.59
869	NASDAQ	OSIS	Thu, Mar 22, 2001	3.75	3.75	3.56	3.69
868	NASDAQ	OSIS	Wed, Mar 21, 2001	3.69	3.81	3.69	3.75
867	NASDAQ	OSIS	Tue, Mar 20, 2001	3.64	3.81	3.64	3.69
866	NASDAQ	OSIS	Mon, Mar 19, 2001	3.63	3.94	3.63	3.75
865	NASDAQ	OSIS	Fri, Mar 16, 2001	3.75	3.94	3.63	3.69
864	NASDAQ	OSIS	Thu, Mar 15, 2001	3.75	3.81	3.69	3.75
863	NASDAQ	OSIS	Wed, Mar 14, 2001	3.88	3.94	3.63	3.63
862	NASDAQ	OSIS	Tue, Mar 13, 2001	4.00	4.00	3.88	3.88
861	NASDAQ	OSIS	Mon, Mar 12, 2001	4.13	4.25	3.97	4.00
860	NASDAQ	OSIS	Fri, Mar 9, 2001	4.22	4.22	4.00	4.19
859	NASDAQ	OSIS	Thu, Mar 8, 2001	4.39	4.39	3.88	4.13
858	NASDAQ	OSIS	Wed, Mar 7, 2001	4.25	4.38	4.19	4.38
857	NASDAQ	OSIS	Tue, Mar 6, 2001	4.20	4.31	4.19	4.25
856	NASDAQ	OSIS	Mon, Mar 5, 2001	4.25	4.25	4.19	4.19
855	NASDAQ	OSIS	Fri, Mar 2, 2001	4.19	4.25	4.19	4.19
854	NASDAQ	OSIS	Thu, Mar 1, 2001	4.27	4.38	4.19	4.38
853	NASDAQ	OSIS	Wed, Feb 28, 2001	4.44	4.50	4.19	4.25
852	NASDAQ	OSIS	Tue, Feb 27, 2001	4.44	4.50	4.44	4.50
851	NASDAQ	OSIS	Mon, Feb 26, 2001	4.50	4.69	4.38	4.63
850	NASDAQ	OSIS	Fri, Feb 23, 2001	4.45	4.50	4.38	4.50
849	NASDAQ	OSIS	Thu, Feb 22, 2001	4.47	4.50	4.44	4.44
848	NASDAQ	OSIS	Wed, Feb 21, 2001	4.44	4.50	4.31	4.44
847	NASDAQ	OSIS	Tue, Feb 20, 2001	4.50	4.63	4.44	4.44
846	NASDAQ	OSIS	Fri, Feb 16, 2001	4.69	4.81	4.56	4.56
845	NASDAQ	OSIS	Thu, Feb 15, 2001	5.00	5.00	4.69	4.69
844	NASDAQ	OSIS	Wed, Feb 14, 2001	4.69	4.97	4.69	4.97
843	NASDAQ	OSIS	Tue, Feb 13, 2001	4.94	4.94	4.69	4.69
842	NASDAQ	OSIS	Mon, Feb 12, 2001	5.00	5.00	4.88	4.88
841	NASDAQ	OSIS	Fri, Feb 9, 2001	5.06	5.06	4.88	5.00
840	NASDAQ	OSIS	Thu, Feb 8, 2001	5.14	5.14	5.06	5.13
839	NASDAQ	OSIS	Wed, Feb 7, 2001	5.53	5.69	5.13	5.19
838	NASDAQ	OSIS	Tue, Feb 6, 2001	5.19	5.69	5.13	5.16
837	NASDAQ	OSIS	Mon, Feb 5, 2001	5.13	5.34	5.13	5.31
836	NASDAQ	OSIS	Fri, Feb 2, 2001	5.45	5.48	5.06	5.06
835	NASDAQ	OSIS	Thu, Feb 1, 2001	5.48	5.75	5.00	5.75
834	NASDAQ	OSIS	Wed, Jan 31, 2001	5.13	5.50	5.06	5.44
833	NASDAQ	OSIS	Tue, Jan 30, 2001	5.06	5.25	5.00	5.06
832	NASDAQ	OSIS	Mon, Jan 29, 2001	5.42	5.69	4.88	5.06
831	NASDAQ	OSIS	Fri, Jan 26, 2001	5.14	5.50	4.88	5.44
830	NASDAQ	OSIS	Thu, Jan 25, 2001	5.16	5.69	5.13	5.25
829	NASDAQ	OSIS	Wed, Jan 24, 2001	5.33	5.66	5.33	5.38
828	NASDAQ	OSIS	Tue, Jan 23, 2001	5.69	5.69	5.44	5.50
827	NASDAQ	OSIS	Mon, Jan 22, 2001	5.75	5.75	5.50	5.56
826	NASDAQ	OSIS	Fri, Jan 19, 2001	6.00	6.13	5.69	5.69
825	NASDAQ	OSIS	Thu, Jan 18, 2001	5.88	6.00	5.50	5.88
824	NASDAQ	OSIS	Wed, Jan 17, 2001	5.83	6.38	5.75	5.88
823	NASDAQ	OSIS	Tue, Jan 16, 2001	5.94	6.63	5.75	6.00
822	NASDAQ	OSIS	Fri, Jan 12, 2001	5.64	6.34	5.63	6.06
821	NASDAQ	OSIS	Thu, Jan 11, 2001	5.95	5.95	5.56	5.63
820	NASDAQ	OSIS	Wed, Jan 10, 2001	5.97	6.00	5.63	5.66
819	NASDAQ	OSIS	Tue, Jan 9, 2001	5.56	5.75	5.50	5.75
818	NASDAQ	OSIS	Mon, Jan 8, 2001	5.31	5.59	5.31	5.59
817	NASDAQ	OSIS	Fri, Jan 5, 2001	5.97	5.97	5.25	5.75
816	NASDAQ	OSIS	Thu, Jan 4, 2001	5.00	5.44	5.00	5.44
815	NASDAQ	OSIS	Wed, Jan 3, 2001	5.13	5.75	4.75	5.00
814	NASDAQ	OSIS	Tue, Jan 2, 2001	5.75	6.13	5.00	5.19
813	NASDAQ	OSIS	Fri, Dec 29, 2000	6.50	6.63	4.38	6.13
812	NASDAQ	OSIS	Thu, Dec 28, 2000	4.06	7.00	3.81	7.00
811	NASDAQ	OSIS	Wed, Dec 27, 2000	4.06	4.13	4.00	4.13
810	NASDAQ	OSIS	Tue, Dec 26, 2000	4.20	4.25	4.00	4.06
809	NASDAQ	OSIS	Fri, Dec 22, 2000	4.19	4.25	4.13	4.25
808	NASDAQ	OSIS	Thu, Dec 21, 2000	4.31	4.38	4.19	4.19
807	NASDAQ	OSIS	Wed, Dec 20, 2000	4.31	4.38	4.25	4.31
806	NASDAQ	OSIS	Tue, Dec 19, 2000	4.38	4.75	4.13	4.31
805	NASDAQ	OSIS	Mon, Dec 18, 2000	4.38	4.63	4.31	4.38
804	NASDAQ	OSIS	Fri, Dec 15, 2000	5.00	5.16	4.25	4.44
803	NASDAQ	OSIS	Thu, Dec 14, 2000	4.88	4.91	4.63	4.63
802	NASDAQ	OSIS	Wed, Dec 13, 2000	4.98	5.00	4.75	4.81
801	NASDAQ	OSIS	Tue, Dec 12, 2000	4.75	5.00	4.63	4.75
800	NASDAQ	OSIS	Mon, Dec 11, 2000	4.94	5.00	4.63	4.63
799	NASDAQ	OSIS	Fri, Dec 8, 2000	4.75	4.94	4.75	4.75
798	NASDAQ	OSIS	Thu, Dec 7, 2000	4.75	5.00	4.63	4.75
797	NASDAQ	OSIS	Wed, Dec 6, 2000	4.75	5.13	4.75	4.88
796	NASDAQ	OSIS	Tue, Dec 5, 2000	4.88	5.06	4.75	4.75
795	NASDAQ	OSIS	Mon, Dec 4, 2000	5.19	5.38	4.81	4.88
794	NASDAQ	OSIS	Fri, Dec 1, 2000	5.06	5.38	5.06	5.19
793	NASDAQ	OSIS	Thu, Nov 30, 2000	5.02	5.25	5.00	5.13
792	NASDAQ	OSIS	Wed, Nov 29, 2000	5.00	5.28	4.88	5.00
791	NASDAQ	OSIS	Tue, Nov 28, 2000	5.00	5.13	4.88	5.00
790	NASDAQ	OSIS	Mon, Nov 27, 2000	5.06	5.22	5.00	5.06
789	NASDAQ	OSIS	Fri, Nov 24, 2000	5.25	5.25	4.81	5.00
788	NASDAQ	OSIS	Wed, Nov 22, 2000	5.19	5.25	5.00	5.06
787	NASDAQ	OSIS	Tue, Nov 21, 2000	5.14	5.50	5.14	5.25
786	NASDAQ	OSIS	Mon, Nov 20, 2000	5.36	5.44	5.03	5.16
785	NASDAQ	OSIS	Fri, Nov 17, 2000	5.69	5.69	5.00	5.44
784	NASDAQ	OSIS	Thu, Nov 16, 2000	5.56	5.75	5.50	5.50
783	NASDAQ	OSIS	Wed, Nov 15, 2000	6.13	6.13	5.75	5.75
782	NASDAQ	OSIS	Tue, Nov 14, 2000	6.31	6.44	5.81	6.13
781	NASDAQ	OSIS	Mon, Nov 13, 2000	6.50	6.50	6.00	6.38
780	NASDAQ	OSIS	Fri, Nov 10, 2000	6.56	6.88	6.50	6.63
779	NASDAQ	OSIS	Thu, Nov 9, 2000	6.75	6.75	6.50	6.63
778	NASDAQ	OSIS	Wed, Nov 8, 2000	7.06	7.06	6.50	6.56
777	NASDAQ	OSIS	Tue, Nov 7, 2000	7.05	7.06	6.94	7.06
776	NASDAQ	OSIS	Mon, Nov 6, 2000	7.16	7.16	7.06	7.06
775	NASDAQ	OSIS	Fri, Nov 3, 2000	7.38	7.38	7.00	7.25
774	NASDAQ	OSIS	Thu, Nov 2, 2000	7.14	7.55	7.06	7.31
773	NASDAQ	OSIS	Wed, Nov 1, 2000	7.44	7.63	7.06	7.06
772	NASDAQ	OSIS	Tue, Oct 31, 2000	6.88	8.50	6.88	7.94
771	NASDAQ	OSIS	Mon, Oct 30, 2000	7.38	7.50	6.38	7.38
770	NASDAQ	OSIS	Fri, Oct 27, 2000	7.63	7.81	7.00	7.38
769	NASDAQ	OSIS	Thu, Oct 26, 2000	7.81	8.13	7.50	7.88
768	NASDAQ	OSIS	Wed, Oct 25, 2000	8.00	8.75	7.38	8.25
767	NASDAQ	OSIS	Tue, Oct 24, 2000	8.88	8.88	8.00	8.00
766	NASDAQ	OSIS	Mon, Oct 23, 2000	9.17	9.17	8.25	8.31
765	NASDAQ	OSIS	Fri, Oct 20, 2000	7.91	9.13	7.28	9.00
764	NASDAQ	OSIS	Thu, Oct 19, 2000	7.25	7.91	7.25	7.44
763	NASDAQ	OSIS	Wed, Oct 18, 2000	7.25	7.50	7.00	7.06
762	NASDAQ	OSIS	Tue, Oct 17, 2000	7.70	7.81	7.56	7.56
761	NASDAQ	OSIS	Mon, Oct 16, 2000	8.00	8.13	7.69	7.88
760	NASDAQ	OSIS	Fri, Oct 13, 2000	7.63	8.25	7.50	8.19
759	NASDAQ	OSIS	Thu, Oct 12, 2000	8.50	8.50	7.25	7.56
758	NASDAQ	OSIS	Wed, Oct 11, 2000	8.13	8.88	8.00	8.38
757	NASDAQ	OSIS	Tue, Oct 10, 2000	8.27	8.97	8.00	8.55
756	NASDAQ	OSIS	Mon, Oct 9, 2000	8.75	9.03	8.13	8.50
755	NASDAQ	OSIS	Fri, Oct 6, 2000	9.50	9.50	8.63	9.00
754	NASDAQ	OSIS	Thu, Oct 5, 2000	9.02	9.75	9.00	9.75
753	NASDAQ	OSIS	Wed, Oct 4, 2000	9.27	9.63	9.06	9.25
752	NASDAQ	OSIS	Tue, Oct 3, 2000	10.81	10.81	9.25	9.25
751	NASDAQ	OSIS	Mon, Oct 2, 2000	10.50	10.50	10.13	10.38
750	NASDAQ	OSIS	Fri, Sep 29, 2000	10.38	10.63	10.38	10.50
749	NASDAQ	OSIS	Thu, Sep 28, 2000	10.50	10.75	10.38	10.50
748	NASDAQ	OSIS	Wed, Sep 27, 2000	10.25	10.56	10.13	10.50
747	NASDAQ	OSIS	Tue, Sep 26, 2000	10.38	10.88	10.25	10.38
746	NASDAQ	OSIS	Mon, Sep 25, 2000	10.88	11.75	10.38	10.50
745	NASDAQ	OSIS	Fri, Sep 22, 2000	11.41	12.00	10.25	10.25
744	NASDAQ	OSIS	Thu, Sep 21, 2000	11.75	12.00	11.50	11.50
743	NASDAQ	OSIS	Wed, Sep 20, 2000	11.94	12.13	11.38	11.73
742	NASDAQ	OSIS	Tue, Sep 19, 2000	11.75	11.81	11.25	11.50
741	NASDAQ	OSIS	Mon, Sep 18, 2000	13.03	13.06	11.25	12.00
740	NASDAQ	OSIS	Fri, Sep 15, 2000	13.16	13.75	12.94	13.06
739	NASDAQ	OSIS	Thu, Sep 14, 2000	12.63	13.81	12.50	12.88
738	NASDAQ	OSIS	Wed, Sep 13, 2000	11.13	12.00	11.00	11.75
737	NASDAQ	OSIS	Tue, Sep 12, 2000	11.13	12.44	11.13	11.13
736	NASDAQ	OSIS	Mon, Sep 11, 2000	12.53	12.75	10.75	11.13
735	NASDAQ	OSIS	Fri, Sep 8, 2000	13.31	13.44	12.50	12.75
734	NASDAQ	OSIS	Thu, Sep 7, 2000	13.00	13.50	13.00	13.31
733	NASDAQ	OSIS	Wed, Sep 6, 2000	13.25	13.88	13.06	13.06
732	NASDAQ	OSIS	Tue, Sep 5, 2000	13.06	14.00	12.81	13.13
731	NASDAQ	OSIS	Fri, Sep 1, 2000	13.50	13.75	12.31	13.44
730	NASDAQ	OSIS	Thu, Aug 31, 2000	13.25	14.50	13.19	13.44
729	NASDAQ	OSIS	Wed, Aug 30, 2000	13.34	15.88	12.81	14.56
728	NASDAQ	OSIS	Tue, Aug 29, 2000	10.25	12.81	9.59	11.63
727	NASDAQ	OSIS	Mon, Aug 28, 2000	8.72	10.50	8.69	10.38
726	NASDAQ	OSIS	Fri, Aug 25, 2000	8.06	8.63	7.94	8.56
725	NASDAQ	OSIS	Thu, Aug 24, 2000	7.97	8.13	7.75	8.00
724	NASDAQ	OSIS	Wed, Aug 23, 2000	8.34	8.38	7.88	7.94
723	NASDAQ	OSIS	Tue, Aug 22, 2000	9.00	9.00	8.00	8.25
722	NASDAQ	OSIS	Mon, Aug 21, 2000	9.22	9.50	8.81	9.38
721	NASDAQ	OSIS	Fri, Aug 18, 2000	8.80	9.19	8.66	9.19
720	NASDAQ	OSIS	Thu, Aug 17, 2000	8.63	8.94	8.00	8.88
719	NASDAQ	OSIS	Wed, Aug 16, 2000	8.81	8.94	8.38	8.88
718	NASDAQ	OSIS	Tue, Aug 15, 2000	9.00	9.19	8.50	8.50
717	NASDAQ	OSIS	Mon, Aug 14, 2000	7.92	9.19	7.78	9.13
716	NASDAQ	OSIS	Fri, Aug 11, 2000	8.38	8.50	7.75	8.06
715	NASDAQ	OSIS	Thu, Aug 10, 2000	9.41	9.41	8.31	8.50
714	NASDAQ	OSIS	Wed, Aug 9, 2000	8.56	10.50	8.38	9.06
713	NASDAQ	OSIS	Tue, Aug 8, 2000	7.03	7.56	6.88	7.13
712	NASDAQ	OSIS	Mon, Aug 7, 2000	7.56	7.69	7.13	7.38
711	NASDAQ	OSIS	Fri, Aug 4, 2000	7.50	7.75	7.25	7.44
710	NASDAQ	OSIS	Thu, Aug 3, 2000	7.69	7.88	7.06	7.50
709	NASDAQ	OSIS	Wed, Aug 2, 2000	8.09	8.25	7.69	7.94
708	NASDAQ	OSIS	Tue, Aug 1, 2000	7.48	8.50	7.31	8.25
707	NASDAQ	OSIS	Mon, Jul 31, 2000	7.31	7.50	7.13	7.50
706	NASDAQ	OSIS	Fri, Jul 28, 2000	7.75	7.88	7.09	7.31
705	NASDAQ	OSIS	Thu, Jul 27, 2000	7.88	8.13	7.38	7.72
704	NASDAQ	OSIS	Wed, Jul 26, 2000	8.08	8.16	7.75	8.00
703	NASDAQ	OSIS	Tue, Jul 25, 2000	8.00	8.38	8.00	8.25
702	NASDAQ	OSIS	Mon, Jul 24, 2000	7.88	8.88	7.88	8.38
701	NASDAQ	OSIS	Fri, Jul 21, 2000	8.88	8.94	8.13	8.50
700	NASDAQ	OSIS	Thu, Jul 20, 2000	9.36	9.94	8.25	8.81
699	NASDAQ	OSIS	Wed, Jul 19, 2000	9.22	10.50	9.13	9.72
698	NASDAQ	OSIS	Tue, Jul 18, 2000	9.69	9.75	9.13	9.22
697	NASDAQ	OSIS	Mon, Jul 17, 2000	10.88	10.94	9.63	9.75
696	NASDAQ	OSIS	Fri, Jul 14, 2000	8.52	10.63	8.50	10.50
695	NASDAQ	OSIS	Thu, Jul 13, 2000	8.28	8.75	7.88	8.63
694	NASDAQ	OSIS	Wed, Jul 12, 2000	7.88	8.75	7.75	8.13
693	NASDAQ	OSIS	Tue, Jul 11, 2000	8.13	8.31	7.56	7.75
692	NASDAQ	OSIS	Mon, Jul 10, 2000	7.69	8.50	7.69	8.25
691	NASDAQ	OSIS	Fri, Jul 7, 2000	7.56	7.88	7.50	7.69
690	NASDAQ	OSIS	Thu, Jul 6, 2000	7.75	8.13	7.06	7.50
689	NASDAQ	OSIS	Wed, Jul 5, 2000	8.17	8.19	7.75	8.00
688	NASDAQ	OSIS	Mon, Jul 3, 2000	7.98	8.31	7.75	8.31
687	NASDAQ	OSIS	Fri, Jun 30, 2000	7.75	8.47	7.25	7.97
686	NASDAQ	OSIS	Thu, Jun 29, 2000	7.25	7.50	6.88	7.50
685	NASDAQ	OSIS	Wed, Jun 28, 2000	7.44	7.44	7.25	7.25
684	NASDAQ	OSIS	Tue, Jun 27, 2000	7.31	7.59	7.00	7.25
683	NASDAQ	OSIS	Mon, Jun 26, 2000	7.50	7.75	7.25	7.25
682	NASDAQ	OSIS	Fri, Jun 23, 2000	7.50	7.69	7.25	7.44
681	NASDAQ	OSIS	Thu, Jun 22, 2000	7.84	8.06	7.50	7.50
680	NASDAQ	OSIS	Wed, Jun 21, 2000	7.25	8.11	7.25	8.00
679	NASDAQ	OSIS	Tue, Jun 20, 2000	7.63	7.92	7.25	7.44
678	NASDAQ	OSIS	Mon, Jun 19, 2000	7.75	7.94	7.25	7.69
677	NASDAQ	OSIS	Fri, Jun 16, 2000	7.75	7.84	7.31	7.63
676	NASDAQ	OSIS	Thu, Jun 15, 2000	8.50	8.50	7.44	7.50
675	NASDAQ	OSIS	Wed, Jun 14, 2000	8.88	9.00	8.25	8.38
674	NASDAQ	OSIS	Tue, Jun 13, 2000	8.52	8.97	8.00	8.44
673	NASDAQ	OSIS	Mon, Jun 12, 2000	8.13	8.63	7.13	8.63
672	NASDAQ	OSIS	Fri, Jun 9, 2000	7.50	7.94	7.50	7.94
671	NASDAQ	OSIS	Thu, Jun 8, 2000	7.69	7.94	7.13	7.50
670	NASDAQ	OSIS	Wed, Jun 7, 2000	7.25	7.88	7.25	7.88
669	NASDAQ	OSIS	Tue, Jun 6, 2000	7.25	7.88	7.13	7.25
668	NASDAQ	OSIS	Mon, Jun 5, 2000	7.38	7.50	6.75	7.44
667	NASDAQ	OSIS	Fri, Jun 2, 2000	6.88	7.63	6.80	7.38
666	NASDAQ	OSIS	Thu, Jun 1, 2000	6.00	6.97	5.88	6.75
665	NASDAQ	OSIS	Wed, May 31, 2000	6.09	6.45	5.94	6.00
664	NASDAQ	OSIS	Tue, May 30, 2000	6.31	6.31	5.75	6.13
663	NASDAQ	OSIS	Fri, May 26, 2000	6.13	6.13	5.50	6.06
662	NASDAQ	OSIS	Thu, May 25, 2000	6.44	6.56	6.06	6.06
661	NASDAQ	OSIS	Wed, May 24, 2000	6.75	6.75	5.66	6.44
660	NASDAQ	OSIS	Tue, May 23, 2000	6.69	6.69	6.13	6.50
659	NASDAQ	OSIS	Mon, May 22, 2000	6.56	6.75	6.13	6.28
658	NASDAQ	OSIS	Fri, May 19, 2000	6.66	7.00	6.38	6.94
657	NASDAQ	OSIS	Thu, May 18, 2000	6.56	7.00	6.56	6.75
656	NASDAQ	OSIS	Wed, May 17, 2000	6.81	7.13	6.69	6.75
655	NASDAQ	OSIS	Tue, May 16, 2000	7.25	7.69	6.69	7.25
654	NASDAQ	OSIS	Mon, May 15, 2000	7.44	7.69	6.88	7.34
653	NASDAQ	OSIS	Fri, May 12, 2000	7.56	7.75	7.38	7.50
652	NASDAQ	OSIS	Thu, May 11, 2000	6.91	7.63	6.91	7.25
651	NASDAQ	OSIS	Wed, May 10, 2000	7.03	7.25	6.50	6.94
650	NASDAQ	OSIS	Tue, May 9, 2000	7.75	7.88	6.75	7.50
649	NASDAQ	OSIS	Mon, May 8, 2000	8.06	8.16	7.75	7.75
648	NASDAQ	OSIS	Fri, May 5, 2000	8.00	8.47	7.78	8.06
647	NASDAQ	OSIS	Thu, May 4, 2000	7.84	8.19	7.50	8.00
646	NASDAQ	OSIS	Wed, May 3, 2000	8.75	8.75	7.06	7.75
645	NASDAQ	OSIS	Tue, May 2, 2000	8.91	8.97	8.38	8.56
644	NASDAQ	OSIS	Mon, May 1, 2000	9.25	9.75	8.56	9.00
643	NASDAQ	OSIS	Fri, Apr 28, 2000	8.00	10.69	7.50	9.31
642	NASDAQ	OSIS	Thu, Apr 27, 2000	6.75	7.00	6.31	6.75
641	NASDAQ	OSIS	Wed, Apr 26, 2000	7.25	7.63	6.75	7.00
640	NASDAQ	OSIS	Tue, Apr 25, 2000	7.25	7.63	6.88	7.38
639	NASDAQ	OSIS	Mon, Apr 24, 2000	6.75	7.19	6.25	7.00
638	NASDAQ	OSIS	Thu, Apr 20, 2000	7.94	8.38	6.75	7.25
637	NASDAQ	OSIS	Wed, Apr 19, 2000	7.31	8.88	7.22	8.00
636	NASDAQ	OSIS	Tue, Apr 18, 2000	6.38	7.50	5.91	7.19
635	NASDAQ	OSIS	Mon, Apr 17, 2000	4.50	6.75	4.25	6.13
634	NASDAQ	OSIS	Fri, Apr 14, 2000	5.50	6.63	5.00	5.25
633	NASDAQ	OSIS	Thu, Apr 13, 2000	8.38	8.53	6.75	6.88
632	NASDAQ	OSIS	Wed, Apr 12, 2000	9.19	9.38	7.44	7.63
631	NASDAQ	OSIS	Tue, Apr 11, 2000	9.50	10.00	9.00	9.38
630	NASDAQ	OSIS	Mon, Apr 10, 2000	11.88	11.88	10.00	10.06
629	NASDAQ	OSIS	Fri, Apr 7, 2000	10.56	11.50	10.25	11.25
628	NASDAQ	OSIS	Thu, Apr 6, 2000	9.50	11.00	9.25	9.88
627	NASDAQ	OSIS	Wed, Apr 5, 2000	9.78	11.00	8.50	9.38
626	NASDAQ	OSIS	Tue, Apr 4, 2000	12.75	12.75	7.56	10.31
625	NASDAQ	OSIS	Mon, Apr 3, 2000	14.25	14.25	11.88	12.50
624	NASDAQ	OSIS	Fri, Mar 31, 2000	13.38	15.00	12.31	14.75
623	NASDAQ	OSIS	Thu, Mar 30, 2000	12.19	14.38	12.13	13.94
622	NASDAQ	OSIS	Wed, Mar 29, 2000	16.38	16.50	14.25	14.50
621	NASDAQ	OSIS	Tue, Mar 28, 2000	15.38	16.63	14.75	15.88
620	NASDAQ	OSIS	Mon, Mar 27, 2000	15.84	16.88	15.13	15.44
619	NASDAQ	OSIS	Fri, Mar 24, 2000	17.13	17.19	15.56	15.94
618	NASDAQ	OSIS	Thu, Mar 23, 2000	18.69	18.81	17.00	17.38
617	NASDAQ	OSIS	Wed, Mar 22, 2000	17.50	20.38	16.88	17.88
616	NASDAQ	OSIS	Tue, Mar 21, 2000	16.72	17.50	16.00	17.19
615	NASDAQ	OSIS	Mon, Mar 20, 2000	20.75	23.25	18.13	18.69
614	NASDAQ	OSIS	Fri, Mar 17, 2000	14.88	28.44	14.25	24.06
613	NASDAQ	OSIS	Thu, Mar 16, 2000	11.50	12.25	10.44	10.88
612	NASDAQ	OSIS	Wed, Mar 15, 2000	13.25	13.44	10.50	11.50
611	NASDAQ	OSIS	Tue, Mar 14, 2000	14.28	14.88	13.00	13.44
610	NASDAQ	OSIS	Mon, Mar 13, 2000	14.75	15.13	13.31	14.25
609	NASDAQ	OSIS	Fri, Mar 10, 2000	16.16	16.44	14.75	15.19
608	NASDAQ	OSIS	Thu, Mar 9, 2000	13.38	16.63	12.94	16.00
607	NASDAQ	OSIS	Wed, Mar 8, 2000	13.22	13.88	12.94	13.13
606	NASDAQ	OSIS	Tue, Mar 7, 2000	13.88	14.06	12.50	13.06
605	NASDAQ	OSIS	Mon, Mar 6, 2000	14.13	14.13	13.31	13.50
604	NASDAQ	OSIS	Fri, Mar 3, 2000	13.63	14.00	13.13	13.13
603	NASDAQ	OSIS	Thu, Mar 2, 2000	13.25	14.00	13.19	13.88
602	NASDAQ	OSIS	Wed, Mar 1, 2000	14.09	14.13	13.00	13.25
601	NASDAQ	OSIS	Tue, Feb 29, 2000	14.00	14.25	13.75	14.06
600	NASDAQ	OSIS	Mon, Feb 28, 2000	12.13	14.00	11.63	13.38
599	NASDAQ	OSIS	Fri, Feb 25, 2000	12.06	12.44	11.50	12.19
598	NASDAQ	OSIS	Thu, Feb 24, 2000	13.94	14.06	11.88	12.50
597	NASDAQ	OSIS	Wed, Feb 23, 2000	12.94	15.78	12.63	14.00
596	NASDAQ	OSIS	Tue, Feb 22, 2000	9.50	11.75	9.25	11.50
595	NASDAQ	OSIS	Fri, Feb 18, 2000	8.19	9.50	7.88	8.88
594	NASDAQ	OSIS	Thu, Feb 17, 2000	8.78	8.78	7.50	7.88
593	NASDAQ	OSIS	Wed, Feb 16, 2000	8.88	9.31	8.00	8.69
592	NASDAQ	OSIS	Tue, Feb 15, 2000	9.47	9.56	8.53	8.75
591	NASDAQ	OSIS	Mon, Feb 14, 2000	9.31	9.88	9.25	9.31
590	NASDAQ	OSIS	Fri, Feb 11, 2000	9.75	10.00	8.56	9.25
589	NASDAQ	OSIS	Thu, Feb 10, 2000	9.38	9.88	9.34	9.75
588	NASDAQ	OSIS	Wed, Feb 9, 2000	9.50	10.13	9.13	9.38
587	NASDAQ	OSIS	Tue, Feb 8, 2000	8.66	9.94	8.63	9.19
586	NASDAQ	OSIS	Mon, Feb 7, 2000	8.38	8.63	7.00	8.63
585	NASDAQ	OSIS	Fri, Feb 4, 2000	8.50	9.25	8.13	8.25
584	NASDAQ	OSIS	Thu, Feb 3, 2000	8.88	9.00	8.19	8.19
583	NASDAQ	OSIS	Wed, Feb 2, 2000	8.81	9.31	8.13	8.88
582	NASDAQ	OSIS	Tue, Feb 1, 2000	9.13	9.44	8.00	8.88
581	NASDAQ	OSIS	Mon, Jan 31, 2000	7.50	11.19	7.19	9.75
580	NASDAQ	OSIS	Fri, Jan 28, 2000	6.75	7.50	6.69	7.00
579	NASDAQ	OSIS	Thu, Jan 27, 2000	6.25	6.75	6.00	6.75
578	NASDAQ	OSIS	Wed, Jan 26, 2000	6.56	6.63	6.00	6.02
577	NASDAQ	OSIS	Tue, Jan 25, 2000	6.13	6.75	6.00	6.63
576	NASDAQ	OSIS	Mon, Jan 24, 2000	6.69	7.19	6.00	6.19
575	NASDAQ	OSIS	Fri, Jan 21, 2000	5.22	6.75	5.00	6.50
574	NASDAQ	OSIS	Thu, Jan 20, 2000	5.13	5.13	4.88	5.13
573	NASDAQ	OSIS	Wed, Jan 19, 2000	5.13	5.13	4.94	5.13
572	NASDAQ	OSIS	Tue, Jan 18, 2000	5.09	5.19	5.00	5.13
571	NASDAQ	OSIS	Fri, Jan 14, 2000	4.88	5.00	4.88	5.00
570	NASDAQ	OSIS	Thu, Jan 13, 2000	4.88	4.88	4.75	4.81
569	NASDAQ	OSIS	Wed, Jan 12, 2000	4.72	4.81	4.69	4.75
568	NASDAQ	OSIS	Tue, Jan 11, 2000	4.69	4.88	4.69	4.69
567	NASDAQ	OSIS	Mon, Jan 10, 2000	4.94	4.94	4.50	4.88
566	NASDAQ	OSIS	Fri, Jan 7, 2000	5.00	5.25	4.81	5.00
565	NASDAQ	OSIS	Thu, Jan 6, 2000	5.06	5.25	5.00	5.13
564	NASDAQ	OSIS	Wed, Jan 5, 2000	4.91	5.00	4.91	5.00
563	NASDAQ	OSIS	Tue, Jan 4, 2000	5.38	5.38	4.75	4.81
562	NASDAQ	OSIS	Mon, Jan 3, 2000	5.20	5.50	4.75	5.38
561	NASDAQ	OSIS	Fri, Dec 31, 1999	5.30	5.50	5.13	5.50
560	NASDAQ	OSIS	Thu, Dec 30, 1999	5.13	5.47	5.13	5.38
559	NASDAQ	OSIS	Wed, Dec 29, 1999	4.88	5.63	4.88	5.47
558	NASDAQ	OSIS	Tue, Dec 28, 1999	4.94	5.38	4.88	5.19
557	NASDAQ	OSIS	Mon, Dec 27, 1999	4.84	5.00	4.63	5.00
556	NASDAQ	OSIS	Thu, Dec 23, 1999	5.13	5.13	4.63	4.75
555	NASDAQ	OSIS	Wed, Dec 22, 1999	4.78	5.50	4.63	5.13
554	NASDAQ	OSIS	Tue, Dec 21, 1999	4.94	4.94	4.63	4.94
553	NASDAQ	OSIS	Mon, Dec 20, 1999	4.56	5.06	4.56	4.75
552	NASDAQ	OSIS	Fri, Dec 17, 1999	4.56	4.94	4.56	4.75
551	NASDAQ	OSIS	Thu, Dec 16, 1999	4.94	4.94	4.69	4.69
550	NASDAQ	OSIS	Wed, Dec 15, 1999	4.94	4.94	4.50	4.56
549	NASDAQ	OSIS	Tue, Dec 14, 1999	4.50	5.00	4.50	4.56
548	NASDAQ	OSIS	Mon, Dec 13, 1999	4.88	5.00	4.50	4.94
547	NASDAQ	OSIS	Fri, Dec 10, 1999	4.81	4.97	4.81	4.81
546	NASDAQ	OSIS	Thu, Dec 9, 1999	4.78	5.00	4.75	5.00
545	NASDAQ	OSIS	Wed, Dec 8, 1999	4.38	4.94	4.25	4.94
544	NASDAQ	OSIS	Tue, Dec 7, 1999	4.75	4.94	4.38	4.38
543	NASDAQ	OSIS	Mon, Dec 6, 1999	4.81	4.88	4.63	4.75
542	NASDAQ	OSIS	Fri, Dec 3, 1999	4.94	4.94	4.75	4.88
541	NASDAQ	OSIS	Thu, Dec 2, 1999	4.75	5.00	4.50	5.00
540	NASDAQ	OSIS	Wed, Dec 1, 1999	4.50	5.00	4.34	4.50
539	NASDAQ	OSIS	Tue, Nov 30, 1999	4.50	4.53	4.31	4.31
538	NASDAQ	OSIS	Mon, Nov 29, 1999	3.88	4.38	3.88	4.38
537	NASDAQ	OSIS	Fri, Nov 26, 1999	3.94	3.94	3.75	3.94
536	NASDAQ	OSIS	Wed, Nov 24, 1999	3.69	4.00	3.38	4.00
535	NASDAQ	OSIS	Tue, Nov 23, 1999	3.69	3.75	3.69	3.75
534	NASDAQ	OSIS	Mon, Nov 22, 1999	3.63	3.69	3.50	3.50
533	NASDAQ	OSIS	Fri, Nov 19, 1999	3.75	3.88	3.44	3.63
532	NASDAQ	OSIS	Thu, Nov 18, 1999	3.63	3.63	3.50	3.63
531	NASDAQ	OSIS	Wed, Nov 17, 1999	3.63	3.69	3.38	3.38
530	NASDAQ	OSIS	Tue, Nov 16, 1999	3.63	3.75	3.63	3.69
529	NASDAQ	OSIS	Mon, Nov 15, 1999	3.50	3.75	3.50	3.53
528	NASDAQ	OSIS	Fri, Nov 12, 1999	3.44	3.63	3.44	3.50
527	NASDAQ	OSIS	Thu, Nov 11, 1999	3.31	3.56	3.31	3.56
526	NASDAQ	OSIS	Wed, Nov 10, 1999	3.38	3.63	3.38	3.56
525	NASDAQ	OSIS	Tue, Nov 9, 1999	3.47	3.56	3.44	3.44
524	NASDAQ	OSIS	Mon, Nov 8, 1999	3.13	3.53	3.13	3.31
523	NASDAQ	OSIS	Fri, Nov 5, 1999	3.75	3.81	3.75	3.75
522	NASDAQ	OSIS	Thu, Nov 4, 1999	3.81	3.81	3.69	3.81
521	NASDAQ	OSIS	Wed, Nov 3, 1999	3.59	3.88	3.59	3.69
520	NASDAQ	OSIS	Tue, Nov 2, 1999	3.25	3.50	3.25	3.50
519	NASDAQ	OSIS	Mon, Nov 1, 1999	3.19	3.38	3.19	3.25
518	NASDAQ	OSIS	Fri, Oct 29, 1999	3.13	3.38	3.13	3.25
517	NASDAQ	OSIS	Thu, Oct 28, 1999	3.13	3.19	3.13	3.13
516	NASDAQ	OSIS	Wed, Oct 27, 1999	3.00	3.25	3.00	3.09
515	NASDAQ	OSIS	Tue, Oct 26, 1999	3.06	3.13	3.00	3.13
514	NASDAQ	OSIS	Mon, Oct 25, 1999	3.16	3.25	3.13	3.25
513	NASDAQ	OSIS	Fri, Oct 22, 1999	3.09	3.19	3.09	3.13
512	NASDAQ	OSIS	Thu, Oct 21, 1999	3.06	3.09	3.06	3.09
511	NASDAQ	OSIS	Tue, Oct 19, 1999	3.00	3.19	3.00	3.19
510	NASDAQ	OSIS	Mon, Oct 18, 1999	3.13	3.44	3.13	3.25
509	NASDAQ	OSIS	Fri, Oct 15, 1999	3.44	3.44	3.13	3.13
508	NASDAQ	OSIS	Thu, Oct 14, 1999	3.47	3.47	3.25	3.25
507	NASDAQ	OSIS	Tue, Oct 12, 1999	3.75	3.75	3.31	3.31
506	NASDAQ	OSIS	Mon, Oct 11, 1999	3.13	3.75	3.06	3.75
505	NASDAQ	OSIS	Fri, Oct 8, 1999	3.06	3.50	3.00	3.28
504	NASDAQ	OSIS	Thu, Oct 7, 1999	3.44	3.47	2.94	3.13
503	NASDAQ	OSIS	Wed, Oct 6, 1999	3.38	3.50	3.25	3.25
502	NASDAQ	OSIS	Tue, Oct 5, 1999	3.77	3.81	3.19	3.38
501	NASDAQ	OSIS	Mon, Oct 4, 1999	3.75	3.81	3.63	3.63
500	NASDAQ	OSIS	Fri, Oct 1, 1999	3.88	3.88	3.50	3.81
499	NASDAQ	OSIS	Thu, Sep 30, 1999	4.25	4.25	3.44	3.75
498	NASDAQ	OSIS	Wed, Sep 29, 1999	4.75	4.75	3.88	4.13
497	NASDAQ	OSIS	Tue, Sep 28, 1999	4.81	5.13	4.78	5.00
496	NASDAQ	OSIS	Mon, Sep 27, 1999	4.75	4.81	4.63	4.75
495	NASDAQ	OSIS	Fri, Sep 24, 1999	4.88	4.88	4.63	4.63
494	NASDAQ	OSIS	Thu, Sep 23, 1999	4.88	4.88	4.63	4.88
493	NASDAQ	OSIS	Wed, Sep 22, 1999	4.50	4.50	4.50	4.50
492	NASDAQ	OSIS	Tue, Sep 21, 1999	4.75	4.94	4.25	4.75
491	NASDAQ	OSIS	Mon, Sep 20, 1999	4.97	4.97	4.75	4.75
490	NASDAQ	OSIS	Fri, Sep 17, 1999	4.88	5.00	4.81	5.00
489	NASDAQ	OSIS	Thu, Sep 16, 1999	4.81	4.94	4.81	4.94
488	NASDAQ	OSIS	Wed, Sep 15, 1999	5.13	5.13	4.50	4.63
487	NASDAQ	OSIS	Tue, Sep 14, 1999	4.75	5.13	4.75	5.00
486	NASDAQ	OSIS	Mon, Sep 13, 1999	4.97	4.97	4.75	4.75
485	NASDAQ	OSIS	Fri, Sep 10, 1999	4.88	5.00	4.81	4.88
484	NASDAQ	OSIS	Thu, Sep 9, 1999	4.81	4.88	4.81	4.88
483	NASDAQ	OSIS	Wed, Sep 8, 1999	4.78	4.88	4.69	4.88
482	NASDAQ	OSIS	Tue, Sep 7, 1999	4.63	4.88	4.50	4.88
481	NASDAQ	OSIS	Fri, Sep 3, 1999	4.50	4.81	4.50	4.81
480	NASDAQ	OSIS	Thu, Sep 2, 1999	4.63	4.75	4.50	4.50
479	NASDAQ	OSIS	Wed, Sep 1, 1999	4.50	4.75	4.31	4.75
478	NASDAQ	OSIS	Tue, Aug 31, 1999	4.31	4.63	4.25	4.50
477	NASDAQ	OSIS	Mon, Aug 30, 1999	4.25	4.44	4.19	4.44
476	NASDAQ	OSIS	Fri, Aug 27, 1999	4.30	4.30	4.13	4.19
475	NASDAQ	OSIS	Thu, Aug 26, 1999	4.13	4.25	4.13	4.13
474	NASDAQ	OSIS	Wed, Aug 25, 1999	4.13	4.44	4.13	4.13
473	NASDAQ	OSIS	Tue, Aug 24, 1999	4.31	4.50	4.13	4.13
472	NASDAQ	OSIS	Mon, Aug 23, 1999	4.38	4.50	4.25	4.50
471	NASDAQ	OSIS	Fri, Aug 20, 1999	4.19	4.50	4.16	4.50
470	NASDAQ	OSIS	Thu, Aug 19, 1999	4.47	4.47	4.25	4.44
469	NASDAQ	OSIS	Wed, Aug 18, 1999	4.73	4.73	4.47	4.47
468	NASDAQ	OSIS	Tue, Aug 17, 1999	4.47	4.47	4.47	4.47
467	NASDAQ	OSIS	Mon, Aug 16, 1999	4.72	4.75	4.50	4.50
466	NASDAQ	OSIS	Fri, Aug 13, 1999	4.63	4.75	4.44	4.75
465	NASDAQ	OSIS	Thu, Aug 12, 1999	4.63	4.63	4.63	4.63
464	NASDAQ	OSIS	Wed, Aug 11, 1999	4.72	4.72	4.38	4.38
463	NASDAQ	OSIS	Tue, Aug 10, 1999	4.44	4.50	4.44	4.50
462	NASDAQ	OSIS	Mon, Aug 9, 1999	4.88	4.88	4.38	4.38
461	NASDAQ	OSIS	Fri, Aug 6, 1999	5.00	5.00	4.94	4.94
460	NASDAQ	OSIS	Thu, Aug 5, 1999	5.06	5.06	4.88	5.00
459	NASDAQ	OSIS	Wed, Aug 4, 1999	5.06	5.06	5.06	5.06
458	NASDAQ	OSIS	Tue, Aug 3, 1999	5.06	5.22	5.06	5.06
457	NASDAQ	OSIS	Mon, Aug 2, 1999	5.09	5.09	5.06	5.09
456	NASDAQ	OSIS	Fri, Jul 30, 1999	5.06	5.06	5.00	5.00
455	NASDAQ	OSIS	Thu, Jul 29, 1999	5.06	5.06	5.06	5.06
454	NASDAQ	OSIS	Wed, Jul 28, 1999	4.88	5.38	4.63	5.13
453	NASDAQ	OSIS	Tue, Jul 27, 1999	5.25	5.25	4.25	4.88
452	NASDAQ	OSIS	Mon, Jul 26, 1999	5.38	5.38	5.31	5.31
451	NASDAQ	OSIS	Fri, Jul 23, 1999	5.38	5.38	5.38	5.38
450	NASDAQ	OSIS	Thu, Jul 22, 1999	5.25	5.34	5.25	5.28
449	NASDAQ	OSIS	Wed, Jul 21, 1999	5.75	5.75	5.25	5.25
448	NASDAQ	OSIS	Tue, Jul 20, 1999	5.53	5.63	5.50	5.50
447	NASDAQ	OSIS	Mon, Jul 19, 1999	5.56	5.75	5.56	5.63
446	NASDAQ	OSIS	Fri, Jul 16, 1999	5.50	5.69	5.38	5.38
445	NASDAQ	OSIS	Thu, Jul 15, 1999	5.38	5.44	5.38	5.38
444	NASDAQ	OSIS	Wed, Jul 14, 1999	5.19	5.31	5.19	5.25
443	NASDAQ	OSIS	Tue, Jul 13, 1999	5.19	5.25	5.19	5.25
442	NASDAQ	OSIS	Mon, Jul 12, 1999	5.31	5.34	5.19	5.25
441	NASDAQ	OSIS	Fri, Jul 9, 1999	5.06	5.13	5.06	5.06
440	NASDAQ	OSIS	Thu, Jul 8, 1999	5.00	5.06	5.00	5.00
439	NASDAQ	OSIS	Wed, Jul 7, 1999	5.38	5.38	5.06	5.06
438	NASDAQ	OSIS	Tue, Jul 6, 1999	5.00	5.25	5.00	5.06
437	NASDAQ	OSIS	Fri, Jul 2, 1999	5.25	5.38	5.00	5.00
436	NASDAQ	OSIS	Thu, Jul 1, 1999	5.00	5.00	4.94	5.00
435	NASDAQ	OSIS	Wed, Jun 30, 1999	5.00	5.38	5.00	5.00
434	NASDAQ	OSIS	Tue, Jun 29, 1999	5.00	5.06	5.00	5.00
433	NASDAQ	OSIS	Mon, Jun 28, 1999	5.50	5.50	5.19	5.19
432	NASDAQ	OSIS	Fri, Jun 25, 1999	5.38	5.50	5.25	5.38
431	NASDAQ	OSIS	Thu, Jun 24, 1999	5.61	5.61	5.38	5.50
430	NASDAQ	OSIS	Wed, Jun 23, 1999	5.56	5.94	5.38	5.84
429	NASDAQ	OSIS	Tue, Jun 22, 1999	5.22	5.75	5.19	5.50
428	NASDAQ	OSIS	Mon, Jun 21, 1999	4.88	5.25	4.88	5.13
427	NASDAQ	OSIS	Fri, Jun 18, 1999	5.13	5.13	5.00	5.00
426	NASDAQ	OSIS	Thu, Jun 17, 1999	5.00	5.13	5.00	5.13
425	NASDAQ	OSIS	Wed, Jun 16, 1999	5.00	5.13	5.00	5.13
424	NASDAQ	OSIS	Tue, Jun 15, 1999	5.19	5.38	5.00	5.00
423	NASDAQ	OSIS	Mon, Jun 14, 1999	5.25	5.50	5.13	5.16
422	NASDAQ	OSIS	Fri, Jun 11, 1999	5.31	5.31	5.31	5.31
421	NASDAQ	OSIS	Thu, Jun 10, 1999	5.13	5.31	5.06	5.31
420	NASDAQ	OSIS	Wed, Jun 9, 1999	5.31	5.31	5.00	5.25
419	NASDAQ	OSIS	Tue, Jun 8, 1999	5.09	5.25	5.06	5.19
418	NASDAQ	OSIS	Mon, Jun 7, 1999	4.88	5.25	4.88	5.06
417	NASDAQ	OSIS	Fri, Jun 4, 1999	5.25	5.25	5.06	5.06
416	NASDAQ	OSIS	Thu, Jun 3, 1999	5.06	5.06	5.06	5.06
415	NASDAQ	OSIS	Wed, Jun 2, 1999	5.06	5.25	5.06	5.06
414	NASDAQ	OSIS	Tue, Jun 1, 1999	5.00	5.25	5.00	5.06
413	NASDAQ	OSIS	Fri, May 28, 1999	5.50	5.50	5.38	5.38
412	NASDAQ	OSIS	Thu, May 27, 1999	5.69	5.75	4.75	5.47
411	NASDAQ	OSIS	Wed, May 26, 1999	5.88	5.88	5.56	5.56
410	NASDAQ	OSIS	Tue, May 25, 1999	5.94	5.94	5.63	5.63
409	NASDAQ	OSIS	Mon, May 24, 1999	6.13	6.13	5.75	5.75
408	NASDAQ	OSIS	Fri, May 21, 1999	5.50	6.13	5.50	5.94
407	NASDAQ	OSIS	Thu, May 20, 1999	5.13	5.88	5.00	5.88
406	NASDAQ	OSIS	Wed, May 19, 1999	5.00	5.19	5.00	5.19
405	NASDAQ	OSIS	Tue, May 18, 1999	5.38	5.50	4.94	4.94
404	NASDAQ	OSIS	Mon, May 17, 1999	5.38	5.38	5.00	5.00
403	NASDAQ	OSIS	Fri, May 14, 1999	5.38	5.38	5.13	5.19
402	NASDAQ	OSIS	Thu, May 13, 1999	5.50	5.50	5.13	5.50
401	NASDAQ	OSIS	Wed, May 12, 1999	5.25	5.50	5.13	5.13
400	NASDAQ	OSIS	Tue, May 11, 1999	5.06	5.25	4.94	5.25
399	NASDAQ	OSIS	Mon, May 10, 1999	4.81	5.06	4.81	4.94
398	NASDAQ	OSIS	Fri, May 7, 1999	4.88	5.06	4.88	5.00
397	NASDAQ	OSIS	Thu, May 6, 1999	5.06	5.06	4.81	5.00
396	NASDAQ	OSIS	Wed, May 5, 1999	4.75	5.13	4.75	5.00
395	NASDAQ	OSIS	Tue, May 4, 1999	4.81	5.00	4.69	5.00
394	NASDAQ	OSIS	Mon, May 3, 1999	4.81	4.81	4.63	4.63
393	NASDAQ	OSIS	Fri, Apr 30, 1999	4.88	4.88	4.56	4.69
392	NASDAQ	OSIS	Thu, Apr 29, 1999	4.94	4.94	4.75	4.81
391	NASDAQ	OSIS	Wed, Apr 28, 1999	4.81	4.81	4.63	4.81
390	NASDAQ	OSIS	Tue, Apr 27, 1999	4.81	4.81	4.50	4.75
389	NASDAQ	OSIS	Mon, Apr 26, 1999	5.00	5.13	4.50	4.50
388	NASDAQ	OSIS	Fri, Apr 23, 1999	5.13	5.25	4.75	4.88
387	NASDAQ	OSIS	Thu, Apr 22, 1999	5.25	5.50	5.00	5.38
386	NASDAQ	OSIS	Wed, Apr 21, 1999	5.19	5.19	5.13	5.13
385	NASDAQ	OSIS	Tue, Apr 20, 1999	5.00	5.25	5.00	5.13
384	NASDAQ	OSIS	Mon, Apr 19, 1999	4.50	5.25	4.50	5.00
383	NASDAQ	OSIS	Fri, Apr 16, 1999	4.94	5.13	4.69	4.69
382	NASDAQ	OSIS	Thu, Apr 15, 1999	4.94	4.94	4.63	4.63
381	NASDAQ	OSIS	Wed, Apr 14, 1999	4.75	4.88	4.50	4.81
380	NASDAQ	OSIS	Tue, Apr 13, 1999	4.75	4.75	4.56	4.56
379	NASDAQ	OSIS	Mon, Apr 12, 1999	4.56	4.63	4.56	4.56
378	NASDAQ	OSIS	Fri, Apr 9, 1999	4.94	4.94	4.50	4.75
377	NASDAQ	OSIS	Thu, Apr 8, 1999	4.94	4.94	4.63	4.69
376	NASDAQ	OSIS	Wed, Apr 7, 1999	4.94	4.94	4.63	4.63
375	NASDAQ	OSIS	Tue, Apr 6, 1999	5.00	5.00	4.50	4.50
374	NASDAQ	OSIS	Mon, Apr 5, 1999	5.06	5.06	4.50	4.63
373	NASDAQ	OSIS	Thu, Apr 1, 1999	5.00	5.13	5.00	5.06
372	NASDAQ	OSIS	Wed, Mar 31, 1999	5.25	5.25	5.06	5.19
371	NASDAQ	OSIS	Tue, Mar 30, 1999	5.06	5.31	5.06	5.13
370	NASDAQ	OSIS	Mon, Mar 29, 1999	5.38	5.44	5.19	5.31
369	NASDAQ	OSIS	Fri, Mar 26, 1999	5.44	5.44	5.13	5.19
368	NASDAQ	OSIS	Thu, Mar 25, 1999	5.25	5.63	5.25	5.31
367	NASDAQ	OSIS	Wed, Mar 24, 1999	5.06	5.25	5.06	5.06
366	NASDAQ	OSIS	Tue, Mar 23, 1999	5.13	5.38	5.03	5.13
365	NASDAQ	OSIS	Mon, Mar 22, 1999	5.50	5.63	5.00	5.06
364	NASDAQ	OSIS	Fri, Mar 19, 1999	6.00	6.25	4.75	4.88
363	NASDAQ	OSIS	Thu, Mar 18, 1999	6.38	6.50	6.38	6.44
362	NASDAQ	OSIS	Wed, Mar 17, 1999	6.50	6.56	6.38	6.56
361	NASDAQ	OSIS	Tue, Mar 16, 1999	6.63	6.63	6.25	6.38
360	NASDAQ	OSIS	Mon, Mar 15, 1999	6.88	6.88	6.63	6.75
359	NASDAQ	OSIS	Fri, Mar 12, 1999	6.81	6.88	6.50	6.88
358	NASDAQ	OSIS	Thu, Mar 11, 1999	6.75	7.00	6.75	6.75
357	NASDAQ	OSIS	Wed, Mar 10, 1999	7.75	7.75	6.88	7.00
356	NASDAQ	OSIS	Tue, Mar 9, 1999	7.06	7.63	7.06	7.13
355	NASDAQ	OSIS	Mon, Mar 8, 1999	7.63	7.75	7.25	7.25
354	NASDAQ	OSIS	Fri, Mar 5, 1999	8.13	8.13	7.38	7.88
353	NASDAQ	OSIS	Thu, Mar 4, 1999	8.00	8.13	7.88	8.13
352	NASDAQ	OSIS	Wed, Mar 3, 1999	8.50	8.50	7.63	8.00
351	NASDAQ	OSIS	Tue, Mar 2, 1999	8.50	8.63	8.06	8.06
350	NASDAQ	OSIS	Mon, Mar 1, 1999	7.88	8.25	7.75	8.00
349	NASDAQ	OSIS	Fri, Feb 26, 1999	7.75	7.88	7.00	7.25
348	NASDAQ	OSIS	Thu, Feb 25, 1999	7.75	7.94	6.50	7.13
347	NASDAQ	OSIS	Wed, Feb 24, 1999	7.88	8.00	7.75	7.94
346	NASDAQ	OSIS	Tue, Feb 23, 1999	8.25	8.25	8.00	8.00
345	NASDAQ	OSIS	Mon, Feb 22, 1999	8.25	8.25	8.00	8.25
344	NASDAQ	OSIS	Fri, Feb 19, 1999	8.50	8.50	8.00	8.00
343	NASDAQ	OSIS	Thu, Feb 18, 1999	8.63	8.63	8.00	8.00
342	NASDAQ	OSIS	Wed, Feb 17, 1999	8.75	8.75	8.06	8.25
341	NASDAQ	OSIS	Tue, Feb 16, 1999	8.75	8.75	8.38	8.38
340	NASDAQ	OSIS	Fri, Feb 12, 1999	8.75	8.88	8.63	8.75
339	NASDAQ	OSIS	Thu, Feb 11, 1999	9.06	9.06	8.50	8.75
338	NASDAQ	OSIS	Wed, Feb 10, 1999	8.63	9.25	8.63	8.75
337	NASDAQ	OSIS	Tue, Feb 9, 1999	9.25	9.25	8.50	8.88
336	NASDAQ	OSIS	Mon, Feb 8, 1999	9.13	9.63	9.00	9.00
335	NASDAQ	OSIS	Fri, Feb 5, 1999	8.75	9.38	8.63	9.38
334	NASDAQ	OSIS	Thu, Feb 4, 1999	9.94	9.94	8.06	8.38
333	NASDAQ	OSIS	Wed, Feb 3, 1999	10.13	10.13	9.75	9.88
332	NASDAQ	OSIS	Tue, Feb 2, 1999	10.31	10.31	10.06	10.19
331	NASDAQ	OSIS	Mon, Feb 1, 1999	10.13	10.50	10.00	10.25
330	NASDAQ	OSIS	Fri, Jan 29, 1999	10.44	10.50	10.13	10.31
329	NASDAQ	OSIS	Thu, Jan 28, 1999	10.63	10.63	10.25	10.25
328	NASDAQ	OSIS	Wed, Jan 27, 1999	10.50	10.50	10.13	10.44
327	NASDAQ	OSIS	Tue, Jan 26, 1999	10.56	10.56	10.13	10.13
326	NASDAQ	OSIS	Mon, Jan 25, 1999	10.63	10.63	10.25	10.56
325	NASDAQ	OSIS	Fri, Jan 22, 1999	10.50	10.50	10.00	10.38
324	NASDAQ	OSIS	Thu, Jan 21, 1999	10.50	10.63	10.25	10.63
323	NASDAQ	OSIS	Wed, Jan 20, 1999	10.63	10.63	10.25	10.50
322	NASDAQ	OSIS	Tue, Jan 19, 1999	10.25	10.56	9.69	10.50
321	NASDAQ	OSIS	Fri, Jan 15, 1999	9.31	9.75	9.00	9.38
320	NASDAQ	OSIS	Thu, Jan 14, 1999	10.38	10.38	8.81	8.81
319	NASDAQ	OSIS	Wed, Jan 13, 1999	10.50	10.63	9.75	9.88
318	NASDAQ	OSIS	Tue, Jan 12, 1999	10.75	10.88	10.13	10.50
317	NASDAQ	OSIS	Mon, Jan 11, 1999	11.50	11.50	10.50	10.63
316	NASDAQ	OSIS	Fri, Jan 8, 1999	11.13	11.13	10.63	10.94
315	NASDAQ	OSIS	Thu, Jan 7, 1999	11.88	12.13	10.88	11.00
314	NASDAQ	OSIS	Wed, Jan 6, 1999	10.94	11.00	10.50	10.69
313	NASDAQ	OSIS	Tue, Jan 5, 1999	9.63	10.00	9.25	9.94
312	NASDAQ	OSIS	Mon, Jan 4, 1999	9.63	9.75	9.00	9.25
311	NASDAQ	OSIS	Thu, Dec 31, 1998	7.75	8.75	7.75	8.63
310	NASDAQ	OSIS	Wed, Dec 30, 1998	7.50	7.75	7.00	7.00
309	NASDAQ	OSIS	Tue, Dec 29, 1998	6.63	7.50	6.63	7.00
308	NASDAQ	OSIS	Mon, Dec 28, 1998	6.63	6.63	6.63	6.63
307	NASDAQ	OSIS	Thu, Dec 24, 1998	6.63	7.00	6.63	7.00
306	NASDAQ	OSIS	Wed, Dec 23, 1998	6.88	6.88	6.63	6.88
305	NASDAQ	OSIS	Tue, Dec 22, 1998	7.38	7.50	7.00	7.00
304	NASDAQ	OSIS	Mon, Dec 21, 1998	7.63	7.69	7.63	7.63
303	NASDAQ	OSIS	Fri, Dec 18, 1998	6.88	7.75	6.88	7.69
302	NASDAQ	OSIS	Thu, Dec 17, 1998	7.25	7.25	7.19	7.19
301	NASDAQ	OSIS	Wed, Dec 16, 1998	7.00	7.00	7.00	7.00
300	NASDAQ	OSIS	Tue, Dec 15, 1998	7.25	7.25	7.00	7.00
299	NASDAQ	OSIS	Mon, Dec 14, 1998	6.75	7.25	6.75	7.25
298	NASDAQ	OSIS	Fri, Dec 11, 1998	6.88	7.00	6.75	7.00
297	NASDAQ	OSIS	Thu, Dec 10, 1998	7.50	7.50	6.50	6.75
296	NASDAQ	OSIS	Wed, Dec 9, 1998	7.81	7.81	7.56	7.56
295	NASDAQ	OSIS	Tue, Dec 8, 1998	8.00	8.00	7.88	7.94
294	NASDAQ	OSIS	Mon, Dec 7, 1998	8.13	8.25	8.00	8.13
293	NASDAQ	OSIS	Fri, Dec 4, 1998	8.25	8.63	8.19	8.25
292	NASDAQ	OSIS	Thu, Dec 3, 1998	8.31	8.31	8.31	8.31
291	NASDAQ	OSIS	Wed, Dec 2, 1998	8.13	8.25	8.06	8.25
290	NASDAQ	OSIS	Tue, Dec 1, 1998	8.00	8.00	8.00	8.00
289	NASDAQ	OSIS	Mon, Nov 30, 1998	8.25	8.25	7.88	8.00
288	NASDAQ	OSIS	Wed, Nov 25, 1998	7.88	8.13	7.88	8.13
287	NASDAQ	OSIS	Tue, Nov 24, 1998	7.88	8.13	7.88	8.00
286	NASDAQ	OSIS	Mon, Nov 23, 1998	8.13	8.19	7.75	8.00
285	NASDAQ	OSIS	Fri, Nov 20, 1998	7.81	8.00	7.63	8.00
284	NASDAQ	OSIS	Thu, Nov 19, 1998	7.25	7.75	7.09	7.75
283	NASDAQ	OSIS	Wed, Nov 18, 1998	7.25	7.25	7.00	7.00
282	NASDAQ	OSIS	Tue, Nov 17, 1998	6.63	6.75	6.50	6.75
281	NASDAQ	OSIS	Mon, Nov 16, 1998	6.88	6.88	6.63	6.63
280	NASDAQ	OSIS	Fri, Nov 13, 1998	7.88	7.88	6.81	7.25
279	NASDAQ	OSIS	Thu, Nov 12, 1998	7.31	7.31	7.25	7.25
278	NASDAQ	OSIS	Wed, Nov 11, 1998	7.25	7.63	7.25	7.50
277	NASDAQ	OSIS	Tue, Nov 10, 1998	7.63	7.63	7.13	7.19
276	NASDAQ	OSIS	Mon, Nov 9, 1998	7.50	7.63	7.13	7.25
275	NASDAQ	OSIS	Fri, Nov 6, 1998	6.88	7.38	6.44	7.13
274	NASDAQ	OSIS	Thu, Nov 5, 1998	6.88	7.25	6.38	6.38
273	NASDAQ	OSIS	Wed, Nov 4, 1998	6.81	7.25	6.75	7.06
272	NASDAQ	OSIS	Tue, Nov 3, 1998	7.00	7.00	6.50	6.88
271	NASDAQ	OSIS	Mon, Nov 2, 1998	7.56	7.56	6.88	6.88
270	NASDAQ	OSIS	Fri, Oct 30, 1998	7.38	7.38	6.75	6.88
269	NASDAQ	OSIS	Thu, Oct 29, 1998	7.00	7.38	6.88	7.38
268	NASDAQ	OSIS	Wed, Oct 28, 1998	6.75	7.25	6.75	7.00
267	NASDAQ	OSIS	Tue, Oct 27, 1998	6.25	7.13	6.25	7.13
266	NASDAQ	OSIS	Mon, Oct 26, 1998	6.25	6.25	5.56	6.13
265	NASDAQ	OSIS	Fri, Oct 23, 1998	6.56	6.88	6.50	6.75
264	NASDAQ	OSIS	Thu, Oct 22, 1998	6.50	6.75	6.50	6.75
263	NASDAQ	OSIS	Wed, Oct 21, 1998	6.69	6.75	6.56	6.69
262	NASDAQ	OSIS	Tue, Oct 20, 1998	6.25	6.75	6.25	6.56
261	NASDAQ	OSIS	Mon, Oct 19, 1998	6.25	6.50	6.13	6.25
260	NASDAQ	OSIS	Fri, Oct 16, 1998	6.38	6.38	5.88	6.38
259	NASDAQ	OSIS	Thu, Oct 15, 1998	5.50	6.50	5.25	6.38
258	NASDAQ	OSIS	Wed, Oct 14, 1998	5.25	5.25	5.25	5.25
257	NASDAQ	OSIS	Tue, Oct 13, 1998	5.50	5.50	5.00	5.00
256	NASDAQ	OSIS	Mon, Oct 12, 1998	5.38	5.88	5.38	5.88
255	NASDAQ	OSIS	Fri, Oct 9, 1998	5.25	5.63	5.00	5.06
254	NASDAQ	OSIS	Thu, Oct 8, 1998	5.69	5.88	4.75	4.75
253	NASDAQ	OSIS	Wed, Oct 7, 1998	6.75	6.75	5.38	5.69
252	NASDAQ	OSIS	Tue, Oct 6, 1998	7.00	7.25	6.56	6.56
251	NASDAQ	OSIS	Mon, Oct 5, 1998	7.13	7.50	7.00	7.50
250	NASDAQ	OSIS	Fri, Oct 2, 1998	7.88	7.88	7.13	7.38
249	NASDAQ	OSIS	Thu, Oct 1, 1998	7.25	7.38	7.13	7.19
248	NASDAQ	OSIS	Wed, Sep 30, 1998	8.13	8.13	7.13	7.63
247	NASDAQ	OSIS	Tue, Sep 29, 1998	7.75	7.81	7.75	7.81
246	NASDAQ	OSIS	Mon, Sep 28, 1998	7.88	7.88	7.56	7.56
245	NASDAQ	OSIS	Fri, Sep 25, 1998	7.88	8.00	7.88	7.88
244	NASDAQ	OSIS	Thu, Sep 24, 1998	8.13	8.13	8.00	8.00
243	NASDAQ	OSIS	Wed, Sep 23, 1998	8.13	8.19	8.00	8.19
242	NASDAQ	OSIS	Tue, Sep 22, 1998	7.75	8.13	7.38	8.00
241	NASDAQ	OSIS	Mon, Sep 21, 1998	8.00	8.00	7.56	7.88
240	NASDAQ	OSIS	Fri, Sep 18, 1998	8.13	8.13	8.00	8.00
239	NASDAQ	OSIS	Thu, Sep 17, 1998	7.75	8.13	7.63	8.06
238	NASDAQ	OSIS	Wed, Sep 16, 1998	8.25	8.25	7.75	7.75
237	NASDAQ	OSIS	Tue, Sep 15, 1998	8.63	8.63	7.81	7.81
236	NASDAQ	OSIS	Mon, Sep 14, 1998	8.00	8.19	7.88	8.19
235	NASDAQ	OSIS	Fri, Sep 11, 1998	8.44	8.44	8.13	8.13
234	NASDAQ	OSIS	Thu, Sep 10, 1998	8.50	8.69	8.13	8.38
233	NASDAQ	OSIS	Wed, Sep 9, 1998	8.50	8.75	8.38	8.50
232	NASDAQ	OSIS	Tue, Sep 8, 1998	9.25	9.25	8.38	8.38
231	NASDAQ	OSIS	Fri, Sep 4, 1998	9.00	9.00	8.50	8.63
230	NASDAQ	OSIS	Thu, Sep 3, 1998	8.25	8.63	8.25	8.50
229	NASDAQ	OSIS	Wed, Sep 2, 1998	8.75	8.88	8.38	8.81
228	NASDAQ	OSIS	Tue, Sep 1, 1998	8.88	9.13	8.50	8.63
227	NASDAQ	OSIS	Mon, Aug 31, 1998	9.50	9.50	9.00	9.00
226	NASDAQ	OSIS	Fri, Aug 28, 1998	9.50	9.63	9.50	9.50
225	NASDAQ	OSIS	Thu, Aug 27, 1998	9.63	9.75	9.25	9.50
224	NASDAQ	OSIS	Wed, Aug 26, 1998	9.75	10.13	9.75	9.75
223	NASDAQ	OSIS	Tue, Aug 25, 1998	9.88	9.88	9.63	9.88
222	NASDAQ	OSIS	Mon, Aug 24, 1998	9.88	9.88	9.75	9.80
221	NASDAQ	OSIS	Fri, Aug 21, 1998	9.38	9.88	9.25	9.75
220	NASDAQ	OSIS	Wed, Aug 19, 1998	9.25	9.75	9.25	9.50
219	NASDAQ	OSIS	Tue, Aug 18, 1998	9.75	9.75	9.75	9.75
218	NASDAQ	OSIS	Mon, Aug 17, 1998	9.75	9.75	9.00	9.50
217	NASDAQ	OSIS	Fri, Aug 14, 1998	9.75	9.75	9.75	9.75
216	NASDAQ	OSIS	Thu, Aug 13, 1998	9.75	9.75	9.75	9.75
215	NASDAQ	OSIS	Wed, Aug 12, 1998	9.25	9.75	9.25	9.75
214	NASDAQ	OSIS	Tue, Aug 11, 1998	9.75	9.75	8.88	9.38
213	NASDAQ	OSIS	Mon, Aug 10, 1998	9.50	9.75	9.25	9.75
212	NASDAQ	OSIS	Fri, Aug 7, 1998	9.88	10.00	8.75	9.50
211	NASDAQ	OSIS	Thu, Aug 6, 1998	8.88	9.75	8.88	9.75
210	NASDAQ	OSIS	Wed, Aug 5, 1998	9.25	9.50	9.13	9.50
209	NASDAQ	OSIS	Tue, Aug 4, 1998	9.88	9.88	9.13	9.38
208	NASDAQ	OSIS	Mon, Aug 3, 1998	10.00	10.00	9.50	9.50
207	NASDAQ	OSIS	Fri, Jul 31, 1998	9.75	10.25	9.75	10.13
206	NASDAQ	OSIS	Thu, Jul 30, 1998	10.75	10.75	9.88	10.63
205	NASDAQ	OSIS	Tue, Jul 28, 1998	11.00	11.25	10.88	11.00
204	NASDAQ	OSIS	Mon, Jul 27, 1998	11.13	11.25	10.63	10.75
203	NASDAQ	OSIS	Fri, Jul 24, 1998	11.50	11.56	11.13	11.13
202	NASDAQ	OSIS	Thu, Jul 23, 1998	11.50	11.56	11.25	11.25
201	NASDAQ	OSIS	Wed, Jul 22, 1998	11.50	11.63	11.25	11.63
200	NASDAQ	OSIS	Tue, Jul 21, 1998	11.25	11.25	11.13	11.25
199	NASDAQ	OSIS	Mon, Jul 20, 1998	11.25	11.50	11.25	11.50
198	NASDAQ	OSIS	Fri, Jul 17, 1998	11.50	11.50	11.50	11.50
197	NASDAQ	OSIS	Wed, Jul 15, 1998	11.63	11.63	11.25	11.50
196	NASDAQ	OSIS	Tue, Jul 14, 1998	11.13	11.63	11.13	11.63
195	NASDAQ	OSIS	Mon, Jul 13, 1998	11.00	11.25	10.69	11.25
194	NASDAQ	OSIS	Fri, Jul 10, 1998	10.25	10.94	10.25	10.94
193	NASDAQ	OSIS	Thu, Jul 9, 1998	10.38	10.63	10.38	10.63
192	NASDAQ	OSIS	Wed, Jul 8, 1998	10.00	10.38	10.00	10.06
191	NASDAQ	OSIS	Tue, Jul 7, 1998	10.00	10.13	10.00	10.13
190	NASDAQ	OSIS	Mon, Jul 6, 1998	10.13	10.13	10.00	10.00
189	NASDAQ	OSIS	Thu, Jul 2, 1998	10.00	10.06	9.88	10.00
188	NASDAQ	OSIS	Wed, Jul 1, 1998	9.88	10.13	9.88	10.00
187	NASDAQ	OSIS	Tue, Jun 30, 1998	10.13	10.13	9.88	10.00
186	NASDAQ	OSIS	Mon, Jun 29, 1998	9.88	10.00	9.88	10.00
185	NASDAQ	OSIS	Fri, Jun 26, 1998	10.13	10.13	9.88	9.88
184	NASDAQ	OSIS	Thu, Jun 25, 1998	10.13	10.13	9.75	9.94
183	NASDAQ	OSIS	Wed, Jun 24, 1998	10.06	10.13	9.94	9.94
182	NASDAQ	OSIS	Tue, Jun 23, 1998	10.06	10.38	10.00	10.00
181	NASDAQ	OSIS	Mon, Jun 22, 1998	10.13	10.25	10.13	10.25
180	NASDAQ	OSIS	Fri, Jun 19, 1998	10.25	10.25	10.00	10.13
179	NASDAQ	OSIS	Thu, Jun 18, 1998	10.00	10.50	9.88	10.50
178	NASDAQ	OSIS	Wed, Jun 17, 1998	10.25	10.25	9.94	9.94
177	NASDAQ	OSIS	Tue, Jun 16, 1998	9.88	10.13	9.88	10.00
176	NASDAQ	OSIS	Mon, Jun 15, 1998	10.25	10.25	9.88	10.13
175	NASDAQ	OSIS	Fri, Jun 12, 1998	10.25	10.25	10.00	10.13
174	NASDAQ	OSIS	Thu, Jun 11, 1998	10.75	10.88	10.13	10.13
173	NASDAQ	OSIS	Wed, Jun 10, 1998	10.75	10.88	10.63	10.63
172	NASDAQ	OSIS	Tue, Jun 9, 1998	10.50	11.00	10.50	10.75
171	NASDAQ	OSIS	Mon, Jun 8, 1998	11.00	11.00	10.75	10.88
170	NASDAQ	OSIS	Fri, Jun 5, 1998	10.63	10.88	10.50	10.75
169	NASDAQ	OSIS	Thu, Jun 4, 1998	10.50	10.63	10.50	10.63
168	NASDAQ	OSIS	Wed, Jun 3, 1998	10.25	10.63	10.25	10.56
167	NASDAQ	OSIS	Tue, Jun 2, 1998	9.88	10.63	9.88	10.50
166	NASDAQ	OSIS	Mon, Jun 1, 1998	10.13	10.38	10.06	10.38
165	NASDAQ	OSIS	Fri, May 29, 1998	10.13	10.13	10.00	10.00
164	NASDAQ	OSIS	Thu, May 28, 1998	9.50	10.00	9.50	9.94
163	NASDAQ	OSIS	Wed, May 27, 1998	10.00	10.25	9.25	9.81
162	NASDAQ	OSIS	Tue, May 26, 1998	10.31	10.44	9.88	9.94
161	NASDAQ	OSIS	Fri, May 22, 1998	10.38	10.50	10.19	10.38
160	NASDAQ	OSIS	Thu, May 21, 1998	10.44	10.50	10.19	10.19
159	NASDAQ	OSIS	Wed, May 20, 1998	11.00	11.00	10.38	10.63
158	NASDAQ	OSIS	Tue, May 19, 1998	10.94	11.13	10.88	10.88
157	NASDAQ	OSIS	Mon, May 18, 1998	11.00	11.44	10.88	10.94
156	NASDAQ	OSIS	Fri, May 15, 1998	11.50	11.50	11.00	11.19
155	NASDAQ	OSIS	Thu, May 14, 1998	11.38	11.50	11.13	11.13
154	NASDAQ	OSIS	Wed, May 13, 1998	11.00	11.50	11.00	11.19
153	NASDAQ	OSIS	Tue, May 12, 1998	11.63	11.63	11.00	11.00
152	NASDAQ	OSIS	Mon, May 11, 1998	11.38	11.63	11.38	11.38
151	NASDAQ	OSIS	Fri, May 8, 1998	11.63	11.63	11.44	11.50
150	NASDAQ	OSIS	Thu, May 7, 1998	11.50	12.00	11.38	11.38
149	NASDAQ	OSIS	Wed, May 6, 1998	11.38	11.63	11.38	11.44
148	NASDAQ	OSIS	Tue, May 5, 1998	11.25	11.50	11.25	11.31
147	NASDAQ	OSIS	Mon, May 4, 1998	11.50	11.50	11.19	11.25
146	NASDAQ	OSIS	Fri, May 1, 1998	11.38	11.50	11.25	11.25
145	NASDAQ	OSIS	Thu, Apr 30, 1998	12.50	12.50	11.38	11.50
144	NASDAQ	OSIS	Wed, Apr 29, 1998	11.75	11.94	11.75	11.81
143	NASDAQ	OSIS	Tue, Apr 28, 1998	11.63	11.63	11.63	11.63
142	NASDAQ	OSIS	Mon, Apr 27, 1998	12.38	12.38	11.50	11.50
141	NASDAQ	OSIS	Fri, Apr 24, 1998	11.63	12.44	11.63	12.25
140	NASDAQ	OSIS	Thu, Apr 23, 1998	11.63	12.00	11.50	12.00
139	NASDAQ	OSIS	Wed, Apr 22, 1998	11.50	12.00	11.50	12.00
138	NASDAQ	OSIS	Tue, Apr 21, 1998	11.88	12.25	11.38	11.38
137	NASDAQ	OSIS	Mon, Apr 20, 1998	11.81	12.13	11.75	11.94
136	NASDAQ	OSIS	Fri, Apr 17, 1998	11.19	11.25	11.19	11.25
135	NASDAQ	OSIS	Thu, Apr 16, 1998	11.19	11.25	11.19	11.19
134	NASDAQ	OSIS	Wed, Apr 15, 1998	11.44	11.44	11.25	11.38
133	NASDAQ	OSIS	Tue, Apr 14, 1998	11.50	11.50	11.25	11.25
132	NASDAQ	OSIS	Mon, Apr 13, 1998	11.63	11.75	11.25	11.25
131	NASDAQ	OSIS	Thu, Apr 9, 1998	11.75	12.00	11.63	11.88
130	NASDAQ	OSIS	Wed, Apr 8, 1998	11.56	11.56	11.38	11.50
129	NASDAQ	OSIS	Tue, Apr 7, 1998	11.56	11.56	11.38	11.50
128	NASDAQ	OSIS	Mon, Apr 6, 1998	11.50	11.56	11.44	11.44
127	NASDAQ	OSIS	Fri, Apr 3, 1998	11.31	11.50	11.31	11.50
126	NASDAQ	OSIS	Thu, Apr 2, 1998	11.75	11.75	11.31	11.38
125	NASDAQ	OSIS	Wed, Apr 1, 1998	11.56	12.00	11.56	11.69
124	NASDAQ	OSIS	Tue, Mar 31, 1998	12.50	12.50	11.13	11.63
123	NASDAQ	OSIS	Mon, Mar 30, 1998	13.00	13.00	12.75	12.75
122	NASDAQ	OSIS	Fri, Mar 27, 1998	13.25	13.25	12.88	13.00
121	NASDAQ	OSIS	Thu, Mar 26, 1998	13.13	13.25	13.13	13.25
120	NASDAQ	OSIS	Wed, Mar 25, 1998	13.38	13.38	13.38	13.38
119	NASDAQ	OSIS	Tue, Mar 24, 1998	13.13	13.25	13.00	13.25
118	NASDAQ	OSIS	Mon, Mar 23, 1998	13.25	13.38	13.13	13.13
117	NASDAQ	OSIS	Fri, Mar 20, 1998	13.13	13.13	13.13	13.13
116	NASDAQ	OSIS	Thu, Mar 19, 1998	13.25	13.25	13.13	13.25
115	NASDAQ	OSIS	Wed, Mar 18, 1998	13.00	13.00	12.88	13.00
114	NASDAQ	OSIS	Tue, Mar 17, 1998	12.88	13.38	12.88	13.38
113	NASDAQ	OSIS	Mon, Mar 16, 1998	13.88	13.88	13.00	13.00
112	NASDAQ	OSIS	Fri, Mar 13, 1998	13.75	14.00	13.75	13.75
111	NASDAQ	OSIS	Thu, Mar 12, 1998	14.00	14.25	14.00	14.25
110	NASDAQ	OSIS	Wed, Mar 11, 1998	14.13	14.50	14.00	14.25
109	NASDAQ	OSIS	Tue, Mar 10, 1998	13.63	13.88	13.50	13.69
108	NASDAQ	OSIS	Mon, Mar 9, 1998	13.50	13.75	13.50	13.63
107	NASDAQ	OSIS	Fri, Mar 6, 1998	13.50	13.94	13.50	13.75
106	NASDAQ	OSIS	Thu, Mar 5, 1998	13.63	13.63	13.38	13.38
105	NASDAQ	OSIS	Wed, Mar 4, 1998	14.50	14.50	13.75	13.75
104	NASDAQ	OSIS	Tue, Mar 3, 1998	14.63	14.63	14.25	14.38
103	NASDAQ	OSIS	Mon, Mar 2, 1998	15.00	15.00	13.75	14.75
102	NASDAQ	OSIS	Fri, Feb 27, 1998	15.19	15.25	15.13	15.25
101	NASDAQ	OSIS	Thu, Feb 26, 1998	15.50	15.50	15.13	15.13
100	NASDAQ	OSIS	Wed, Feb 25, 1998	15.81	15.81	15.19	15.25
99	NASDAQ	OSIS	Tue, Feb 24, 1998	15.25	15.75	15.00	15.66
98	NASDAQ	OSIS	Mon, Feb 23, 1998	15.00	15.00	14.63	15.00
97	NASDAQ	OSIS	Fri, Feb 20, 1998	14.25	14.75	14.25	14.63
96	NASDAQ	OSIS	Thu, Feb 19, 1998	14.63	14.63	14.13	14.38
95	NASDAQ	OSIS	Wed, Feb 18, 1998	14.38	14.38	14.38	14.38
94	NASDAQ	OSIS	Tue, Feb 17, 1998	14.25	15.00	14.13	14.38
93	NASDAQ	OSIS	Fri, Feb 13, 1998	14.38	14.50	14.38	14.38
92	NASDAQ	OSIS	Thu, Feb 12, 1998	14.50	14.50	14.38	14.38
91	NASDAQ	OSIS	Wed, Feb 11, 1998	14.75	14.88	14.38	14.38
90	NASDAQ	OSIS	Tue, Feb 10, 1998	15.00	15.13	14.75	14.88
89	NASDAQ	OSIS	Mon, Feb 9, 1998	14.88	15.25	14.88	15.06
88	NASDAQ	OSIS	Fri, Feb 6, 1998	15.38	15.38	14.88	15.13
87	NASDAQ	OSIS	Thu, Feb 5, 1998	14.63	15.38	14.38	15.00
86	NASDAQ	OSIS	Wed, Feb 4, 1998	14.63	14.75	14.50	14.63
85	NASDAQ	OSIS	Tue, Feb 3, 1998	14.56	14.75	14.38	14.63
84	NASDAQ	OSIS	Mon, Feb 2, 1998	14.63	14.88	14.38	14.38
83	NASDAQ	OSIS	Fri, Jan 30, 1998	15.50	15.75	14.63	15.00
82	NASDAQ	OSIS	Thu, Jan 29, 1998	13.50	16.00	13.50	16.00
81	NASDAQ	OSIS	Wed, Jan 28, 1998	13.38	13.38	12.88	13.06
80	NASDAQ	OSIS	Tue, Jan 27, 1998	13.13	13.13	12.75	12.88
79	NASDAQ	OSIS	Mon, Jan 26, 1998	13.00	13.25	12.75	12.75
78	NASDAQ	OSIS	Fri, Jan 23, 1998	12.50	13.25	12.50	13.25
77	NASDAQ	OSIS	Thu, Jan 22, 1998	12.44	12.75	12.00	12.13
76	NASDAQ	OSIS	Wed, Jan 21, 1998	13.25	13.25	12.25	12.50
75	NASDAQ	OSIS	Tue, Jan 20, 1998	14.00	14.00	13.50	13.50
74	NASDAQ	OSIS	Fri, Jan 16, 1998	15.00	15.00	13.75	14.13
73	NASDAQ	OSIS	Thu, Jan 15, 1998	15.38	15.63	14.88	14.88
72	NASDAQ	OSIS	Wed, Jan 14, 1998	14.50	15.13	14.50	15.13
71	NASDAQ	OSIS	Tue, Jan 13, 1998	14.13	14.44	13.63	14.25
70	NASDAQ	OSIS	Mon, Jan 12, 1998	12.50	13.88	12.50	13.75
69	NASDAQ	OSIS	Fri, Jan 9, 1998	13.50	13.50	12.75	12.75
68	NASDAQ	OSIS	Thu, Jan 8, 1998	13.25	13.38	13.25	13.38
67	NASDAQ	OSIS	Wed, Jan 7, 1998	12.75	13.25	12.75	13.25
66	NASDAQ	OSIS	Tue, Jan 6, 1998	13.25	13.25	12.75	12.75
65	NASDAQ	OSIS	Mon, Jan 5, 1998	12.38	13.00	12.38	13.00
64	NASDAQ	OSIS	Fri, Jan 2, 1998	12.50	12.75	12.50	12.50
63	NASDAQ	OSIS	Wed, Dec 31, 1997	12.25	12.50	12.25	12.25
62	NASDAQ	OSIS	Tue, Dec 30, 1997	12.25	12.38	12.00	12.25
61	NASDAQ	OSIS	Mon, Dec 29, 1997	12.00	12.13	11.75	12.00
60	NASDAQ	OSIS	Fri, Dec 26, 1997	12.13	12.16	12.00	12.13
59	NASDAQ	OSIS	Wed, Dec 24, 1997	12.50	12.50	12.13	12.13
58	NASDAQ	OSIS	Tue, Dec 23, 1997	12.13	12.50	12.13	12.13
57	NASDAQ	OSIS	Mon, Dec 22, 1997	12.63	12.63	12.13	12.13
56	NASDAQ	OSIS	Fri, Dec 19, 1997	12.00	12.75	11.75	12.75
55	NASDAQ	OSIS	Thu, Dec 18, 1997	11.50	11.75	11.50	11.50
54	NASDAQ	OSIS	Wed, Dec 17, 1997	11.63	12.13	11.25	11.88
53	NASDAQ	OSIS	Tue, Dec 16, 1997	11.38	11.63	10.88	11.44
52	NASDAQ	OSIS	Mon, Dec 15, 1997	12.00	12.00	11.38	11.38
51	NASDAQ	OSIS	Fri, Dec 12, 1997	12.50	12.50	11.88	11.88
50	NASDAQ	OSIS	Thu, Dec 11, 1997	12.50	12.50	12.44	12.44
49	NASDAQ	OSIS	Wed, Dec 10, 1997	13.00	13.00	12.50	12.50
48	NASDAQ	OSIS	Tue, Dec 9, 1997	13.00	13.25	13.00	13.00
47	NASDAQ	OSIS	Mon, Dec 8, 1997	13.00	13.38	13.00	13.13
46	NASDAQ	OSIS	Fri, Dec 5, 1997	13.38	13.38	13.00	13.19
45	NASDAQ	OSIS	Thu, Dec 4, 1997	13.00	13.63	13.00	13.38
44	NASDAQ	OSIS	Wed, Dec 3, 1997	13.13	13.13	12.88	12.88
43	NASDAQ	OSIS	Tue, Dec 2, 1997	13.00	13.00	12.50	12.88
42	NASDAQ	OSIS	Mon, Dec 1, 1997	13.25	13.25	13.25	13.25
41	NASDAQ	OSIS	Fri, Nov 28, 1997	13.25	13.25	13.00	13.00
40	NASDAQ	OSIS	Wed, Nov 26, 1997	13.25	13.50	12.88	12.88
39	NASDAQ	OSIS	Tue, Nov 25, 1997	13.00	13.25	13.00	13.25
38	NASDAQ	OSIS	Mon, Nov 24, 1997	13.50	13.50	13.00	13.00
37	NASDAQ	OSIS	Fri, Nov 21, 1997	13.88	14.38	13.63	13.94
36	NASDAQ	OSIS	Thu, Nov 20, 1997	14.50	14.50	14.00	14.00
35	NASDAQ	OSIS	Wed, Nov 19, 1997	14.50	14.50	14.00	14.50
34	NASDAQ	OSIS	Tue, Nov 18, 1997	14.88	14.88	14.75	14.75
33	NASDAQ	OSIS	Mon, Nov 17, 1997	14.75	14.88	14.75	14.88
32	NASDAQ	OSIS	Fri, Nov 14, 1997	14.50	14.75	14.50	14.75
31	NASDAQ	OSIS	Thu, Nov 13, 1997	14.63	14.75	14.50	14.50
30	NASDAQ	OSIS	Wed, Nov 12, 1997	15.38	15.38	14.75	14.75
29	NASDAQ	OSIS	Tue, Nov 11, 1997	15.00	15.50	15.00	15.13
28	NASDAQ	OSIS	Mon, Nov 10, 1997	15.25	15.63	15.00	15.13
27	NASDAQ	OSIS	Fri, Nov 7, 1997	15.25	15.25	14.25	14.88
26	NASDAQ	OSIS	Thu, Nov 6, 1997	14.63	15.50	14.38	15.38
25	NASDAQ	OSIS	Wed, Nov 5, 1997	14.38	14.88	14.00	14.50
24	NASDAQ	OSIS	Tue, Nov 4, 1997	13.63	13.63	13.00	13.31
23	NASDAQ	OSIS	Mon, Nov 3, 1997	13.63	13.63	13.00	13.50
22	NASDAQ	OSIS	Fri, Oct 31, 1997	13.63	13.63	13.00	13.00
21	NASDAQ	OSIS	Thu, Oct 30, 1997	13.50	13.63	13.00	13.25
20	NASDAQ	OSIS	Wed, Oct 29, 1997	13.63	13.75	13.00	13.13
19	NASDAQ	OSIS	Tue, Oct 28, 1997	12.75	13.75	11.75	13.63
18	NASDAQ	OSIS	Mon, Oct 27, 1997	14.63	14.63	13.38	13.41
17	NASDAQ	OSIS	Fri, Oct 24, 1997	15.00	15.00	14.50	14.50
16	NASDAQ	OSIS	Thu, Oct 23, 1997	14.50	15.00	14.38	14.50
15	NASDAQ	OSIS	Wed, Oct 22, 1997	14.75	15.00	14.25	14.63
14	NASDAQ	OSIS	Tue, Oct 21, 1997	14.13	14.75	14.13	14.50
13	NASDAQ	OSIS	Mon, Oct 20, 1997	14.13	14.63	14.13	14.50
12	NASDAQ	OSIS	Fri, Oct 17, 1997	14.88	14.88	14.13	14.13
11	NASDAQ	OSIS	Thu, Oct 16, 1997	14.88	15.25	14.88	15.00
10	NASDAQ	OSIS	Wed, Oct 15, 1997	14.38	15.00	14.25	15.00
9	NASDAQ	OSIS	Tue, Oct 14, 1997	15.00	15.00	14.13	14.25
8	NASDAQ	OSIS	Mon, Oct 13, 1997	14.88	15.00	14.63	15.00
7	NASDAQ	OSIS	Fri, Oct 10, 1997	15.25	15.25	14.75	15.13
6	NASDAQ	OSIS	Thu, Oct 9, 1997	15.13	15.25	14.50	14.88
5	NASDAQ	OSIS	Wed, Oct 8, 1997	15.63	16.00	14.88	15.00
4	NASDAQ	OSIS	Tue, Oct 7, 1997	15.63	16.00	15.50	15.75
3	NASDAQ	OSIS	Mon, Oct 6, 1997	15.63	15.88	15.38	15.88
2	NASDAQ	OSIS	Fri, Oct 3, 1997	15.75	16.00	15.13	15.50
1	NASDAQ	OSIS	Thu, Oct 2, 1997	14.25	15.25	13.75	15.13
#	Exchange	Symbol	Date	Open	High	Low	Close

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