Altair Engineering Inc NASDAQ:ALTR Historical Prices

Below are the 2757 trading days of historical prices for ALTR.

#	Exchange	Symbol	Date	Open	High	Low	Close
2757	NASDAQ	ALTR	Fri, Mar 1, 2024	85.28	86.19	84.59	85.68
2756	NASDAQ	ALTR	Thu, Feb 29, 2024	85.36	85.97	84.80	85.08
2755	NASDAQ	ALTR	Wed, Feb 28, 2024	83.65	85.15	83.65	84.64
2754	NASDAQ	ALTR	Tue, Feb 27, 2024	85.66	86.00	84.06	84.56
2753	NASDAQ	ALTR	Mon, Feb 26, 2024	86.00	86.50	83.48	85.27
2752	NASDAQ	ALTR	Fri, Feb 23, 2024	87.48	88.82	82.50	85.52
2751	NASDAQ	ALTR	Thu, Feb 22, 2024	89.17	90.89	89.13	89.86
2750	NASDAQ	ALTR	Wed, Feb 21, 2024	86.85	87.54	85.85	86.91
2749	NASDAQ	ALTR	Tue, Feb 20, 2024	89.31	90.00	86.78	87.84
2748	NASDAQ	ALTR	Fri, Feb 16, 2024	91.70	91.84	90.01	90.47
2747	NASDAQ	ALTR	Thu, Feb 15, 2024	89.96	92.02	89.27	91.68
2746	NASDAQ	ALTR	Wed, Feb 14, 2024	87.20	89.35	86.85	88.96
2745	NASDAQ	ALTR	Tue, Feb 13, 2024	87.09	88.06	84.82	85.90
2744	NASDAQ	ALTR	Mon, Feb 12, 2024	92.01	92.49	89.59	90.02
2743	NASDAQ	ALTR	Fri, Feb 9, 2024	91.00	92.92	90.40	92.26
2742	NASDAQ	ALTR	Thu, Feb 8, 2024	89.80	90.74	89.68	90.11
2741	NASDAQ	ALTR	Wed, Feb 7, 2024	89.00	89.56	88.08	89.48
2740	NASDAQ	ALTR	Tue, Feb 6, 2024	87.27	88.94	86.37	88.69
2739	NASDAQ	ALTR	Mon, Feb 5, 2024	86.64	87.64	85.57	86.86
2738	NASDAQ	ALTR	Fri, Feb 2, 2024	85.95	88.04	85.45	87.66
2737	NASDAQ	ALTR	Thu, Feb 1, 2024	85.77	86.08	84.02	85.97
2736	NASDAQ	ALTR	Wed, Jan 31, 2024	86.59	86.82	84.98	85.02
2735	NASDAQ	ALTR	Tue, Jan 30, 2024	87.21	87.21	86.53	86.82
2734	NASDAQ	ALTR	Mon, Jan 29, 2024	85.40	87.30	85.35	87.20
2733	NASDAQ	ALTR	Fri, Jan 26, 2024	85.30	85.80	84.94	85.24
2732	NASDAQ	ALTR	Thu, Jan 25, 2024	87.15	87.38	84.89	85.50
2731	NASDAQ	ALTR	Wed, Jan 24, 2024	87.88	88.99	85.46	85.59
2730	NASDAQ	ALTR	Tue, Jan 23, 2024	88.49	88.86	86.66	87.68
2729	NASDAQ	ALTR	Mon, Jan 22, 2024	86.91	88.36	86.01	88.12
2728	NASDAQ	ALTR	Fri, Jan 19, 2024	85.69	85.85	84.35	85.72
2727	NASDAQ	ALTR	Thu, Jan 18, 2024	85.24	86.99	83.36	85.16
2726	NASDAQ	ALTR	Wed, Jan 17, 2024	83.05	85.18	82.99	84.82
2725	NASDAQ	ALTR	Tue, Jan 16, 2024	83.14	84.34	82.60	84.33
2724	NASDAQ	ALTR	Fri, Jan 12, 2024	84.35	84.54	83.02	84.23
2723	NASDAQ	ALTR	Thu, Jan 11, 2024	83.64	84.48	82.94	83.46
2722	NASDAQ	ALTR	Wed, Jan 10, 2024	81.90	83.74	81.32	83.53
2721	NASDAQ	ALTR	Tue, Jan 9, 2024	81.63	82.65	81.39	82.00
2720	NASDAQ	ALTR	Mon, Jan 8, 2024	79.99	82.75	79.99	82.61
2719	NASDAQ	ALTR	Fri, Jan 5, 2024	77.51	80.33	77.29	80.00
2718	NASDAQ	ALTR	Thu, Jan 4, 2024	77.03	79.16	76.50	78.14
2717	NASDAQ	ALTR	Wed, Jan 3, 2024	77.01	78.43	75.98	76.51
2716	NASDAQ	ALTR	Tue, Jan 2, 2024	82.31	82.31	77.89	78.09
2715	NASDAQ	ALTR	Fri, Dec 29, 2023	84.04	84.83	83.05	84.15
2714	NASDAQ	ALTR	Thu, Dec 28, 2023	84.35	84.92	83.81	84.42
2713	NASDAQ	ALTR	Wed, Dec 27, 2023	83.75	84.52	83.10	84.24
2712	NASDAQ	ALTR	Tue, Dec 26, 2023	83.10	84.29	82.58	83.94
2711	NASDAQ	ALTR	Fri, Dec 22, 2023	77.94	84.58	77.00	83.29
2710	NASDAQ	ALTR	Thu, Dec 21, 2023	75.20	75.20	73.69	74.71
2709	NASDAQ	ALTR	Wed, Dec 20, 2023	73.52	76.15	73.34	74.23
2708	NASDAQ	ALTR	Tue, Dec 19, 2023	74.65	75.00	73.61	73.64
2707	NASDAQ	ALTR	Mon, Dec 18, 2023	74.04	74.70	73.54	74.17
2706	NASDAQ	ALTR	Fri, Dec 15, 2023	74.66	74.85	73.38	74.18
2705	NASDAQ	ALTR	Thu, Dec 14, 2023	74.42	74.73	73.22	74.35
2704	NASDAQ	ALTR	Wed, Dec 13, 2023	73.83	74.50	72.33	73.46
2703	NASDAQ	ALTR	Tue, Dec 12, 2023	72.77	74.24	72.29	74.15
2702	NASDAQ	ALTR	Mon, Dec 11, 2023	71.16	73.19	71.16	72.69
2701	NASDAQ	ALTR	Fri, Dec 8, 2023	70.32	71.90	70.23	71.35
2700	NASDAQ	ALTR	Thu, Dec 7, 2023	70.79	71.07	70.07	70.82
2699	NASDAQ	ALTR	Wed, Dec 6, 2023	71.48	73.08	70.61	70.68
2698	NASDAQ	ALTR	Tue, Dec 5, 2023	71.55	71.55	70.30	71.00
2697	NASDAQ	ALTR	Mon, Dec 4, 2023	71.11	72.47	70.41	71.84
2696	NASDAQ	ALTR	Fri, Dec 1, 2023	72.55	73.41	71.82	72.30
2695	NASDAQ	ALTR	Thu, Nov 30, 2023	71.79	72.65	71.54	72.46
2694	NASDAQ	ALTR	Wed, Nov 29, 2023	72.49	73.84	71.83	71.97
2693	NASDAQ	ALTR	Tue, Nov 28, 2023	71.28	72.32	71.12	71.57
2692	NASDAQ	ALTR	Mon, Nov 27, 2023	71.76	72.65	71.59	71.66
2691	NASDAQ	ALTR	Fri, Nov 24, 2023	71.60	72.40	68.87	72.29
2690	NASDAQ	ALTR	Wed, Nov 22, 2023	73.23	73.48	71.74	71.74
2689	NASDAQ	ALTR	Tue, Nov 21, 2023	73.46	73.88	72.02	72.43
2688	NASDAQ	ALTR	Mon, Nov 20, 2023	73.69	74.35	73.08	74.16
2687	NASDAQ	ALTR	Fri, Nov 17, 2023	72.84	74.60	72.46	74.00
2686	NASDAQ	ALTR	Thu, Nov 16, 2023	73.77	74.03	70.92	72.39
2685	NASDAQ	ALTR	Wed, Nov 15, 2023	74.19	74.59	72.85	73.96
2684	NASDAQ	ALTR	Tue, Nov 14, 2023	72.00	74.60	71.88	74.36
2683	NASDAQ	ALTR	Mon, Nov 13, 2023	69.90	70.50	68.97	70.35
2682	NASDAQ	ALTR	Fri, Nov 10, 2023	69.05	70.07	68.44	70.03
2681	NASDAQ	ALTR	Thu, Nov 9, 2023	69.62	69.97	68.25	69.43
2680	NASDAQ	ALTR	Wed, Nov 8, 2023	68.41	69.56	67.64	69.35
2679	NASDAQ	ALTR	Tue, Nov 7, 2023	66.98	69.04	66.51	68.45
2678	NASDAQ	ALTR	Mon, Nov 6, 2023	65.86	66.96	65.25	66.90
2677	NASDAQ	ALTR	Fri, Nov 3, 2023	60.33	65.95	60.33	65.74
2676	NASDAQ	ALTR	Thu, Nov 2, 2023	63.00	63.00	57.59	59.11
2675	NASDAQ	ALTR	Wed, Nov 1, 2023	61.96	62.17	60.34	62.10
2674	NASDAQ	ALTR	Tue, Oct 31, 2023	59.94	62.20	59.65	62.12
2673	NASDAQ	ALTR	Mon, Oct 30, 2023	60.07	60.26	59.51	59.94
2672	NASDAQ	ALTR	Fri, Oct 27, 2023	60.00	60.12	59.08	59.49
2671	NASDAQ	ALTR	Thu, Oct 26, 2023	59.94	61.23	59.02	59.64
2670	NASDAQ	ALTR	Wed, Oct 25, 2023	60.52	60.52	59.51	59.70
2669	NASDAQ	ALTR	Tue, Oct 24, 2023	60.72	61.41	59.71	61.00
2668	NASDAQ	ALTR	Mon, Oct 23, 2023	60.84	61.67	60.12	60.52
2667	NASDAQ	ALTR	Fri, Oct 20, 2023	62.64	62.64	60.89	61.14
2666	NASDAQ	ALTR	Thu, Oct 19, 2023	63.53	63.65	62.47	62.54
2665	NASDAQ	ALTR	Wed, Oct 18, 2023	63.74	64.24	63.43	63.63
2664	NASDAQ	ALTR	Tue, Oct 17, 2023	64.64	65.32	64.00	64.32
2663	NASDAQ	ALTR	Mon, Oct 16, 2023	65.88	66.07	63.94	65.37
2662	NASDAQ	ALTR	Fri, Oct 13, 2023	66.96	67.25	65.16	65.57
2661	NASDAQ	ALTR	Thu, Oct 12, 2023	67.64	68.08	66.63	66.97
2660	NASDAQ	ALTR	Wed, Oct 11, 2023	67.11	68.01	66.87	67.87
2659	NASDAQ	ALTR	Tue, Oct 10, 2023	65.93	67.69	65.46	67.00
2658	NASDAQ	ALTR	Mon, Oct 9, 2023	64.50	66.00	64.01	65.93
2657	NASDAQ	ALTR	Fri, Oct 6, 2023	65.43	67.43	64.88	65.00
2656	NASDAQ	ALTR	Thu, Oct 5, 2023	64.88	66.12	64.60	65.99
2655	NASDAQ	ALTR	Wed, Oct 4, 2023	63.37	64.63	61.95	64.55
2654	NASDAQ	ALTR	Tue, Oct 3, 2023	62.49	63.13	61.62	62.95
2653	NASDAQ	ALTR	Mon, Oct 2, 2023	62.60	63.45	62.11	62.80
2652	NASDAQ	ALTR	Fri, Sep 29, 2023	62.47	62.84	62.00	62.56
2651	NASDAQ	ALTR	Thu, Sep 28, 2023	60.70	62.05	60.50	61.80
2650	NASDAQ	ALTR	Wed, Sep 27, 2023	61.30	61.31	60.00	60.99
2649	NASDAQ	ALTR	Tue, Sep 26, 2023	60.47	61.29	60.05	60.72
2648	NASDAQ	ALTR	Mon, Sep 25, 2023	61.74	61.94	60.76	60.90
2647	NASDAQ	ALTR	Fri, Sep 22, 2023	61.57	62.68	61.57	62.27
2646	NASDAQ	ALTR	Thu, Sep 21, 2023	62.74	63.18	61.62	61.64
2645	NASDAQ	ALTR	Wed, Sep 20, 2023	63.93	64.56	63.37	63.41
2644	NASDAQ	ALTR	Tue, Sep 19, 2023	65.44	65.44	63.73	63.94
2643	NASDAQ	ALTR	Mon, Sep 18, 2023	65.18	65.65	65.09	65.58
2642	NASDAQ	ALTR	Fri, Sep 15, 2023	65.45	65.98	64.66	65.42
2641	NASDAQ	ALTR	Thu, Sep 14, 2023	64.53	65.88	64.31	65.51
2640	NASDAQ	ALTR	Wed, Sep 13, 2023	64.09	64.84	63.53	64.38
2639	NASDAQ	ALTR	Tue, Sep 12, 2023	65.78	66.10	63.90	64.15
2638	NASDAQ	ALTR	Mon, Sep 11, 2023	66.41	66.41	66.41	66.41
2637	NASDAQ	ALTR	Fri, Sep 8, 2023	65.52	65.86	64.91	65.50
2636	NASDAQ	ALTR	Thu, Sep 7, 2023	65.48	65.88	64.92	65.56
2635	NASDAQ	ALTR	Wed, Sep 6, 2023	65.91	66.54	65.69	65.97
2634	NASDAQ	ALTR	Tue, Sep 5, 2023	66.77	66.94	65.68	65.91
2633	NASDAQ	ALTR	Fri, Sep 1, 2023	66.66	67.66	66.66	67.07
2632	NASDAQ	ALTR	Thu, Aug 31, 2023	66.60	67.86	66.36	66.48
2631	NASDAQ	ALTR	Wed, Aug 30, 2023	65.33	66.86	65.25	66.63
2630	NASDAQ	ALTR	Tue, Aug 29, 2023	64.04	65.62	63.96	65.52
2629	NASDAQ	ALTR	Mon, Aug 28, 2023	64.24	64.78	63.98	64.21
2628	NASDAQ	ALTR	Fri, Aug 25, 2023	63.13	64.28	62.81	64.18
2627	NASDAQ	ALTR	Thu, Aug 24, 2023	64.14	64.15	62.54	62.91
2626	NASDAQ	ALTR	Wed, Aug 23, 2023	61.54	64.04	61.39	63.90
2625	NASDAQ	ALTR	Tue, Aug 22, 2023	61.78	61.99	61.31	61.53
2624	NASDAQ	ALTR	Mon, Aug 21, 2023	61.15	61.98	61.15	61.30
2623	NASDAQ	ALTR	Fri, Aug 18, 2023	60.28	61.53	60.03	61.03
2622	NASDAQ	ALTR	Thu, Aug 17, 2023	62.23	62.23	60.77	60.84
2621	NASDAQ	ALTR	Wed, Aug 16, 2023	62.67	62.99	62.03	62.06
2620	NASDAQ	ALTR	Tue, Aug 15, 2023	62.60	63.08	62.53	62.60
2619	NASDAQ	ALTR	Mon, Aug 14, 2023	62.26	63.10	62.10	63.06
2618	NASDAQ	ALTR	Fri, Aug 11, 2023	61.37	62.88	61.23	62.63
2617	NASDAQ	ALTR	Thu, Aug 10, 2023	61.65	61.96	61.13	61.60
2616	NASDAQ	ALTR	Wed, Aug 9, 2023	61.88	62.21	61.10	61.24
2615	NASDAQ	ALTR	Tue, Aug 8, 2023	62.50	62.68	61.35	62.07
2614	NASDAQ	ALTR	Mon, Aug 7, 2023	63.67	64.18	62.43	62.67
2613	NASDAQ	ALTR	Fri, Aug 4, 2023	70.09	70.09	62.45	63.80
2612	NASDAQ	ALTR	Thu, Aug 3, 2023	71.52	72.13	70.31	70.57
2611	NASDAQ	ALTR	Wed, Aug 2, 2023	73.50	73.75	71.93	72.21
2610	NASDAQ	ALTR	Tue, Aug 1, 2023	74.68	74.98	73.88	74.41
2609	NASDAQ	ALTR	Mon, Jul 31, 2023	74.47	75.07	74.18	74.94
2608	NASDAQ	ALTR	Fri, Jul 28, 2023	73.63	74.69	73.25	74.06
2607	NASDAQ	ALTR	Thu, Jul 27, 2023	74.24	74.72	72.78	73.19
2606	NASDAQ	ALTR	Wed, Jul 26, 2023	73.34	73.55	72.61	73.17
2605	NASDAQ	ALTR	Tue, Jul 25, 2023	72.67	74.02	72.50	73.57
2604	NASDAQ	ALTR	Mon, Jul 24, 2023	73.57	73.57	72.00	72.60
2603	NASDAQ	ALTR	Fri, Jul 21, 2023	73.28	74.00	72.65	73.47
2602	NASDAQ	ALTR	Thu, Jul 20, 2023	74.00	74.43	72.18	72.32
2601	NASDAQ	ALTR	Wed, Jul 19, 2023	75.00	75.67	73.66	74.22
2600	NASDAQ	ALTR	Tue, Jul 18, 2023	74.99	75.19	73.92	74.91
2599	NASDAQ	ALTR	Mon, Jul 17, 2023	74.63	75.59	73.85	75.20
2598	NASDAQ	ALTR	Fri, Jul 14, 2023	75.43	75.75	74.61	74.97
2597	NASDAQ	ALTR	Thu, Jul 13, 2023	75.29	76.48	75.28	75.44
2596	NASDAQ	ALTR	Wed, Jul 12, 2023	74.76	75.35	74.04	74.89
2595	NASDAQ	ALTR	Tue, Jul 11, 2023	73.75	74.16	72.96	73.61
2594	NASDAQ	ALTR	Mon, Jul 10, 2023	71.36	73.69	71.36	73.69
2593	NASDAQ	ALTR	Fri, Jul 7, 2023	72.64	73.70	71.69	71.79
2592	NASDAQ	ALTR	Thu, Jul 6, 2023	73.47	73.51	72.22	72.71
2591	NASDAQ	ALTR	Wed, Jul 5, 2023	74.86	75.14	74.23	74.52
2590	NASDAQ	ALTR	Mon, Jul 3, 2023	75.50	75.50	74.00	75.35
2589	NASDAQ	ALTR	Fri, Jun 30, 2023	75.41	76.48	75.03	75.84
2588	NASDAQ	ALTR	Thu, Jun 29, 2023	74.76	75.44	74.47	75.02
2587	NASDAQ	ALTR	Wed, Jun 28, 2023	73.84	74.96	73.70	74.41
2586	NASDAQ	ALTR	Tue, Jun 27, 2023	71.27	73.75	71.25	73.59
2585	NASDAQ	ALTR	Mon, Jun 26, 2023	71.60	72.12	70.89	70.92
2584	NASDAQ	ALTR	Fri, Jun 23, 2023	71.61	72.62	71.60	71.73
2583	NASDAQ	ALTR	Thu, Jun 22, 2023	72.76	73.55	72.17	72.52
2582	NASDAQ	ALTR	Wed, Jun 21, 2023	73.87	73.87	72.74	73.24
2581	NASDAQ	ALTR	Tue, Jun 20, 2023	73.71	74.83	73.36	73.98
2580	NASDAQ	ALTR	Fri, Jun 16, 2023	76.76	76.76	74.33	74.44
2579	NASDAQ	ALTR	Thu, Jun 15, 2023	75.89	76.71	75.01	76.40
2578	NASDAQ	ALTR	Wed, Jun 14, 2023	77.08	77.50	75.40	76.44
2577	NASDAQ	ALTR	Tue, Jun 13, 2023	77.11	78.49	76.40	77.58
2576	NASDAQ	ALTR	Mon, Jun 12, 2023	75.67	76.85	74.97	76.40
2575	NASDAQ	ALTR	Fri, Jun 9, 2023	74.06	75.88	74.06	75.19
2574	NASDAQ	ALTR	Thu, Jun 8, 2023	74.10	74.64	73.28	74.19
2573	NASDAQ	ALTR	Wed, Jun 7, 2023	74.00	75.50	74.00	74.26
2572	NASDAQ	ALTR	Tue, Jun 6, 2023	74.96	74.96	73.82	74.70
2571	NASDAQ	ALTR	Mon, Jun 5, 2023	73.72	75.29	73.52	75.24
2570	NASDAQ	ALTR	Fri, Jun 2, 2023	75.19	75.63	73.86	74.61
2569	NASDAQ	ALTR	Thu, Jun 1, 2023	72.84	75.35	71.50	74.99
2568	NASDAQ	ALTR	Wed, May 31, 2023	75.12	75.59	73.08	73.33
2567	NASDAQ	ALTR	Tue, May 30, 2023	75.12	76.16	74.81	75.56
2566	NASDAQ	ALTR	Fri, May 26, 2023	72.19	75.00	72.19	74.52
2565	NASDAQ	ALTR	Thu, May 25, 2023	70.13	72.79	69.86	72.26
2564	NASDAQ	ALTR	Wed, May 24, 2023	69.39	70.18	68.69	69.63
2563	NASDAQ	ALTR	Tue, May 23, 2023	71.07	71.53	69.85	69.91
2562	NASDAQ	ALTR	Mon, May 22, 2023	69.97	71.49	69.89	71.36
2561	NASDAQ	ALTR	Fri, May 19, 2023	70.17	70.37	69.69	69.89
2560	NASDAQ	ALTR	Thu, May 18, 2023	68.48	70.00	66.77	69.82
2559	NASDAQ	ALTR	Wed, May 17, 2023	67.96	68.81	67.40	68.48
2558	NASDAQ	ALTR	Tue, May 16, 2023	67.76	68.39	67.49	67.95
2557	NASDAQ	ALTR	Mon, May 15, 2023	67.47	68.34	67.16	68.08
2556	NASDAQ	ALTR	Fri, May 12, 2023	67.40	68.10	67.01	67.60
2555	NASDAQ	ALTR	Thu, May 11, 2023	68.35	68.84	67.03	67.52
2554	NASDAQ	ALTR	Wed, May 10, 2023	67.82	68.73	67.73	68.54
2553	NASDAQ	ALTR	Tue, May 9, 2023	67.57	68.04	66.98	67.25
2552	NASDAQ	ALTR	Mon, May 8, 2023	68.49	68.62	66.78	67.65
2551	NASDAQ	ALTR	Fri, May 5, 2023	68.00	68.98	65.56	68.23
2550	NASDAQ	ALTR	Thu, May 4, 2023	66.92	67.61	65.97	66.89
2549	NASDAQ	ALTR	Wed, May 3, 2023	67.57	68.19	67.03	67.12
2548	NASDAQ	ALTR	Tue, May 2, 2023	68.94	69.16	67.45	67.49
2547	NASDAQ	ALTR	Mon, May 1, 2023	68.63	69.55	68.38	68.97
2546	NASDAQ	ALTR	Fri, Apr 28, 2023	68.60	69.71	68.30	69.05
2545	NASDAQ	ALTR	Thu, Apr 27, 2023	68.87	69.40	68.35	69.37
2544	NASDAQ	ALTR	Wed, Apr 26, 2023	69.57	70.43	68.49	68.84
2543	NASDAQ	ALTR	Tue, Apr 25, 2023	70.59	70.96	68.50	69.17
2542	NASDAQ	ALTR	Mon, Apr 24, 2023	70.95	71.94	70.67	71.21
2541	NASDAQ	ALTR	Fri, Apr 21, 2023	70.34	71.52	70.34	70.79
2540	NASDAQ	ALTR	Thu, Apr 20, 2023	69.45	71.11	69.18	70.41
2539	NASDAQ	ALTR	Wed, Apr 19, 2023	69.99	70.57	69.77	70.00
2538	NASDAQ	ALTR	Tue, Apr 18, 2023	70.75	71.10	70.02	70.46
2537	NASDAQ	ALTR	Mon, Apr 17, 2023	70.97	71.31	69.92	70.32
2536	NASDAQ	ALTR	Fri, Apr 14, 2023	71.67	72.13	70.59	71.16
2535	NASDAQ	ALTR	Thu, Apr 13, 2023	71.25	71.91	70.97	71.77
2534	NASDAQ	ALTR	Wed, Apr 12, 2023	71.19	71.97	70.76	71.02
2533	NASDAQ	ALTR	Tue, Apr 11, 2023	71.07	71.62	70.19	70.63
2532	NASDAQ	ALTR	Mon, Apr 10, 2023	69.54	71.60	69.34	71.56
2531	NASDAQ	ALTR	Thu, Apr 6, 2023	70.19	71.23	69.76	70.29
2530	NASDAQ	ALTR	Wed, Apr 5, 2023	71.69	71.69	69.96	70.68
2529	NASDAQ	ALTR	Tue, Apr 4, 2023	71.66	72.66	71.38	71.83
2528	NASDAQ	ALTR	Mon, Apr 3, 2023	71.38	71.74	70.40	71.23
2527	NASDAQ	ALTR	Fri, Mar 31, 2023	71.11	72.51	71.11	72.11
2526	NASDAQ	ALTR	Thu, Mar 30, 2023	70.29	71.10	70.19	70.80
2525	NASDAQ	ALTR	Wed, Mar 29, 2023	70.05	70.63	69.39	69.93
2524	NASDAQ	ALTR	Tue, Mar 28, 2023	69.01	69.63	68.50	69.54
2523	NASDAQ	ALTR	Mon, Mar 27, 2023	69.11	69.57	68.32	69.17
2522	NASDAQ	ALTR	Fri, Mar 24, 2023	68.76	69.10	67.93	68.86
2521	NASDAQ	ALTR	Thu, Mar 23, 2023	68.86	69.76	68.31	68.85
2520	NASDAQ	ALTR	Wed, Mar 22, 2023	69.12	70.00	68.17	68.21
2519	NASDAQ	ALTR	Tue, Mar 21, 2023	69.99	70.09	69.36	69.49
2518	NASDAQ	ALTR	Mon, Mar 20, 2023	69.38	69.82	68.12	69.73
2517	NASDAQ	ALTR	Fri, Mar 17, 2023	68.11	70.54	67.59	69.57
2516	NASDAQ	ALTR	Thu, Mar 16, 2023	64.95	68.39	64.95	68.11
2515	NASDAQ	ALTR	Wed, Mar 15, 2023	65.47	67.06	65.12	67.00
2514	NASDAQ	ALTR	Tue, Mar 14, 2023	66.21	66.67	65.19	66.54
2513	NASDAQ	ALTR	Mon, Mar 13, 2023	62.49	65.65	61.74	64.85
2512	NASDAQ	ALTR	Fri, Mar 10, 2023	65.66	65.80	63.24	63.30
2511	NASDAQ	ALTR	Thu, Mar 9, 2023	67.25	67.61	65.74	65.78
2510	NASDAQ	ALTR	Wed, Mar 8, 2023	66.28	67.59	66.11	67.27
2509	NASDAQ	ALTR	Tue, Mar 7, 2023	66.50	67.29	65.97	66.44
2508	NASDAQ	ALTR	Mon, Mar 6, 2023	65.64	66.43	65.22	66.32
2507	NASDAQ	ALTR	Fri, Mar 3, 2023	65.43	66.00	64.63	65.73
2506	NASDAQ	ALTR	Thu, Mar 2, 2023	64.58	65.47	63.34	65.19
2505	NASDAQ	ALTR	Wed, Mar 1, 2023	63.84	64.94	63.26	64.70
2504	NASDAQ	ALTR	Tue, Feb 28, 2023	64.48	65.25	63.51	64.06
2503	NASDAQ	ALTR	Mon, Feb 27, 2023	63.94	64.95	61.88	64.94
2502	NASDAQ	ALTR	Fri, Feb 24, 2023	58.50	63.67	57.97	63.54
2501	NASDAQ	ALTR	Thu, Feb 23, 2023	55.35	56.87	55.33	56.57
2500	NASDAQ	ALTR	Wed, Feb 22, 2023	55.03	56.01	53.92	54.76
2499	NASDAQ	ALTR	Tue, Feb 21, 2023	54.73	55.52	54.30	54.68
2498	NASDAQ	ALTR	Fri, Feb 17, 2023	56.81	57.01	55.52	55.56
2497	NASDAQ	ALTR	Thu, Feb 16, 2023	56.66	57.95	56.66	57.10
2496	NASDAQ	ALTR	Wed, Feb 15, 2023	57.14	58.31	56.91	58.18
2495	NASDAQ	ALTR	Tue, Feb 14, 2023	56.56	58.05	55.87	57.48
2494	NASDAQ	ALTR	Mon, Feb 13, 2023	56.07	57.27	56.02	56.99
2493	NASDAQ	ALTR	Fri, Feb 10, 2023	56.00	57.08	55.82	55.82
2492	NASDAQ	ALTR	Thu, Feb 9, 2023	57.47	57.98	56.42	56.64
2491	NASDAQ	ALTR	Wed, Feb 8, 2023	57.94	58.46	56.49	56.71
2490	NASDAQ	ALTR	Tue, Feb 7, 2023	56.79	58.27	56.64	58.12
2489	NASDAQ	ALTR	Mon, Feb 6, 2023	57.14	57.74	56.90	57.07
2488	NASDAQ	ALTR	Fri, Feb 3, 2023	57.64	58.57	56.94	57.77
2487	NASDAQ	ALTR	Thu, Feb 2, 2023	55.03	59.89	55.03	59.11
2486	NASDAQ	ALTR	Wed, Feb 1, 2023	53.35	55.25	53.35	54.97
2485	NASDAQ	ALTR	Tue, Jan 31, 2023	52.46	53.15	52.41	53.10
2484	NASDAQ	ALTR	Mon, Jan 30, 2023	52.76	53.26	52.16	52.28
2483	NASDAQ	ALTR	Fri, Jan 27, 2023	52.30	53.51	51.83	53.26
2482	NASDAQ	ALTR	Thu, Jan 26, 2023	53.07	53.30	51.92	52.65
2481	NASDAQ	ALTR	Wed, Jan 25, 2023	51.67	52.77	50.89	52.56
2480	NASDAQ	ALTR	Tue, Jan 24, 2023	53.04	54.01	52.00	52.42
2479	NASDAQ	ALTR	Mon, Jan 23, 2023	52.12	53.54	51.89	53.53
2478	NASDAQ	ALTR	Fri, Jan 20, 2023	51.79	52.19	49.98	51.93
2477	NASDAQ	ALTR	Thu, Jan 19, 2023	50.10	51.48	49.78	51.33
2476	NASDAQ	ALTR	Wed, Jan 18, 2023	50.58	52.14	50.46	50.58
2475	NASDAQ	ALTR	Tue, Jan 17, 2023	49.65	50.31	49.62	50.18
2474	NASDAQ	ALTR	Fri, Jan 13, 2023	49.95	50.29	49.29	49.78
2473	NASDAQ	ALTR	Thu, Jan 12, 2023	49.63	50.09	48.54	49.85
2472	NASDAQ	ALTR	Wed, Jan 11, 2023	48.95	49.54	48.38	49.50
2471	NASDAQ	ALTR	Tue, Jan 10, 2023	47.97	48.92	47.96	48.90
2470	NASDAQ	ALTR	Mon, Jan 9, 2023	47.86	49.11	47.45	48.16
2469	NASDAQ	ALTR	Fri, Jan 6, 2023	46.14	47.10	45.05	46.95
2468	NASDAQ	ALTR	Thu, Jan 5, 2023	46.62	46.95	45.57	45.60
2467	NASDAQ	ALTR	Wed, Jan 4, 2023	46.98	47.43	46.35	47.14
2466	NASDAQ	ALTR	Tue, Jan 3, 2023	46.19	47.34	45.96	46.35
2465	NASDAQ	ALTR	Fri, Dec 30, 2022	45.28	45.67	45.02	45.47
2464	NASDAQ	ALTR	Thu, Dec 29, 2022	44.38	45.92	44.25	45.79
2463	NASDAQ	ALTR	Wed, Dec 28, 2022	43.69	44.53	43.69	43.85
2462	NASDAQ	ALTR	Tue, Dec 27, 2022	44.50	44.59	43.68	43.89
2461	NASDAQ	ALTR	Fri, Dec 23, 2022	44.99	45.90	44.22	44.59
2460	NASDAQ	ALTR	Thu, Dec 22, 2022	44.95	45.30	44.27	45.11
2459	NASDAQ	ALTR	Wed, Dec 21, 2022	44.71	45.75	44.50	45.43
2458	NASDAQ	ALTR	Tue, Dec 20, 2022	43.80	45.08	43.73	44.58
2457	NASDAQ	ALTR	Mon, Dec 19, 2022	44.75	45.26	43.82	44.05
2456	NASDAQ	ALTR	Fri, Dec 16, 2022	45.21	47.00	44.70	44.97
2455	NASDAQ	ALTR	Thu, Dec 15, 2022	47.28	48.49	45.70	45.91
2454	NASDAQ	ALTR	Wed, Dec 14, 2022	48.64	48.99	47.74	48.01
2453	NASDAQ	ALTR	Tue, Dec 13, 2022	48.88	50.23	48.32	48.77
2452	NASDAQ	ALTR	Mon, Dec 12, 2022	47.31	48.18	47.23	47.51
2451	NASDAQ	ALTR	Fri, Dec 9, 2022	47.66	48.31	47.38	47.49
2450	NASDAQ	ALTR	Thu, Dec 8, 2022	47.93	49.11	47.93	48.07
2449	NASDAQ	ALTR	Wed, Dec 7, 2022	47.46	48.00	47.04	47.96
2448	NASDAQ	ALTR	Tue, Dec 6, 2022	48.14	48.16	46.42	47.46
2447	NASDAQ	ALTR	Mon, Dec 5, 2022	49.48	49.54	47.87	48.16
2446	NASDAQ	ALTR	Fri, Dec 2, 2022	49.40	49.99	49.31	49.88
2445	NASDAQ	ALTR	Thu, Dec 1, 2022	49.13	50.37	48.11	50.30
2444	NASDAQ	ALTR	Wed, Nov 30, 2022	46.73	49.16	46.50	49.07
2443	NASDAQ	ALTR	Tue, Nov 29, 2022	46.63	47.35	46.52	46.81
2442	NASDAQ	ALTR	Mon, Nov 28, 2022	47.06	47.19	46.29	46.62
2441	NASDAQ	ALTR	Fri, Nov 25, 2022	47.22	47.65	45.56	47.30
2440	NASDAQ	ALTR	Wed, Nov 23, 2022	46.31	47.46	46.00	47.25
2439	NASDAQ	ALTR	Tue, Nov 22, 2022	45.99	46.50	44.76	46.31
2438	NASDAQ	ALTR	Mon, Nov 21, 2022	46.90	48.12	45.54	45.80
2437	NASDAQ	ALTR	Fri, Nov 18, 2022	48.73	49.47	46.86	47.09
2436	NASDAQ	ALTR	Thu, Nov 17, 2022	48.64	48.76	47.47	47.63
2435	NASDAQ	ALTR	Wed, Nov 16, 2022	50.74	50.74	48.99	49.13
2434	NASDAQ	ALTR	Tue, Nov 15, 2022	49.77	50.42	49.45	50.07
2433	NASDAQ	ALTR	Mon, Nov 14, 2022	49.01	49.36	47.87	48.72
2432	NASDAQ	ALTR	Fri, Nov 11, 2022	48.05	49.47	47.38	48.78
2431	NASDAQ	ALTR	Thu, Nov 10, 2022	46.42	48.17	46.10	47.95
2430	NASDAQ	ALTR	Wed, Nov 9, 2022	45.91	45.99	44.53	44.63
2429	NASDAQ	ALTR	Tue, Nov 8, 2022	46.93	47.64	45.84	46.56
2428	NASDAQ	ALTR	Mon, Nov 7, 2022	45.49	46.91	44.83	46.52
2427	NASDAQ	ALTR	Fri, Nov 4, 2022	47.64	48.00	44.35	45.49
2426	NASDAQ	ALTR	Thu, Nov 3, 2022	46.55	47.61	45.33	45.53
2425	NASDAQ	ALTR	Wed, Nov 2, 2022	48.40	49.36	47.02	47.06
2424	NASDAQ	ALTR	Tue, Nov 1, 2022	49.88	50.01	48.23	48.58
2423	NASDAQ	ALTR	Mon, Oct 31, 2022	48.49	49.39	47.99	49.05
2422	NASDAQ	ALTR	Fri, Oct 28, 2022	47.73	49.06	47.47	48.98
2421	NASDAQ	ALTR	Thu, Oct 27, 2022	47.41	48.34	47.07	47.54
2420	NASDAQ	ALTR	Wed, Oct 26, 2022	47.14	48.15	46.75	47.11
2419	NASDAQ	ALTR	Tue, Oct 25, 2022	46.78	47.67	46.64	47.40
2418	NASDAQ	ALTR	Mon, Oct 24, 2022	45.58	46.60	45.05	46.44
2417	NASDAQ	ALTR	Fri, Oct 21, 2022	44.99	45.94	44.18	45.76
2416	NASDAQ	ALTR	Thu, Oct 20, 2022	45.49	46.47	44.77	44.92
2415	NASDAQ	ALTR	Wed, Oct 19, 2022	45.39	45.88	45.08	45.40
2414	NASDAQ	ALTR	Tue, Oct 18, 2022	46.39	46.91	45.60	46.03
2413	NASDAQ	ALTR	Mon, Oct 17, 2022	44.45	45.59	44.45	45.35
2412	NASDAQ	ALTR	Fri, Oct 14, 2022	45.84	45.90	43.86	43.93
2411	NASDAQ	ALTR	Thu, Oct 13, 2022	43.71	45.73	43.17	45.54
2410	NASDAQ	ALTR	Wed, Oct 12, 2022	44.46	45.17	44.26	44.80
2409	NASDAQ	ALTR	Tue, Oct 11, 2022	45.32	45.32	43.95	44.52
2408	NASDAQ	ALTR	Mon, Oct 10, 2022	47.61	48.15	44.59	45.36
2407	NASDAQ	ALTR	Fri, Oct 7, 2022	47.96	48.09	47.20	47.76
2406	NASDAQ	ALTR	Thu, Oct 6, 2022	48.47	49.08	48.47	48.76
2405	NASDAQ	ALTR	Wed, Oct 5, 2022	46.99	48.63	46.98	48.49
2404	NASDAQ	ALTR	Tue, Oct 4, 2022	46.56	47.90	46.56	47.90
2403	NASDAQ	ALTR	Mon, Oct 3, 2022	44.43	46.04	44.20	45.69
2402	NASDAQ	ALTR	Fri, Sep 30, 2022	44.74	45.84	44.15	44.22
2401	NASDAQ	ALTR	Thu, Sep 29, 2022	45.53	45.97	44.81	44.95
2400	NASDAQ	ALTR	Wed, Sep 28, 2022	45.92	46.48	45.65	46.17
2399	NASDAQ	ALTR	Tue, Sep 27, 2022	45.94	46.70	45.39	45.83
2398	NASDAQ	ALTR	Mon, Sep 26, 2022	45.47	46.72	45.42	45.49
2397	NASDAQ	ALTR	Fri, Sep 23, 2022	45.75	45.95	44.92	45.71
2396	NASDAQ	ALTR	Thu, Sep 22, 2022	45.80	46.19	45.07	45.97
2395	NASDAQ	ALTR	Wed, Sep 21, 2022	46.58	48.00	46.26	46.33
2394	NASDAQ	ALTR	Tue, Sep 20, 2022	46.49	46.89	46.06	46.24
2393	NASDAQ	ALTR	Mon, Sep 19, 2022	46.63	47.14	45.90	47.09
2392	NASDAQ	ALTR	Fri, Sep 16, 2022	47.27	47.34	46.46	47.06
2391	NASDAQ	ALTR	Thu, Sep 15, 2022	48.00	48.51	47.30	47.85
2390	NASDAQ	ALTR	Wed, Sep 14, 2022	50.07	50.55	48.13	48.70
2389	NASDAQ	ALTR	Tue, Sep 13, 2022	50.61	51.02	48.48	49.76
2388	NASDAQ	ALTR	Mon, Sep 12, 2022	51.73	52.29	51.64	52.20
2387	NASDAQ	ALTR	Fri, Sep 9, 2022	51.44	52.11	51.14	51.67
2386	NASDAQ	ALTR	Thu, Sep 8, 2022	49.88	51.07	49.86	50.86
2385	NASDAQ	ALTR	Wed, Sep 7, 2022	49.14	50.59	49.13	50.28
2384	NASDAQ	ALTR	Tue, Sep 6, 2022	48.52	51.02	48.52	49.19
2383	NASDAQ	ALTR	Fri, Sep 2, 2022	49.74	50.35	48.56	48.66
2382	NASDAQ	ALTR	Thu, Sep 1, 2022	51.24	51.84	48.66	49.34
2381	NASDAQ	ALTR	Wed, Aug 31, 2022	52.69	52.94	51.80	52.01
2380	NASDAQ	ALTR	Tue, Aug 30, 2022	52.67	53.04	51.46	52.09
2379	NASDAQ	ALTR	Mon, Aug 29, 2022	53.29	53.53	51.56	52.15
2378	NASDAQ	ALTR	Fri, Aug 26, 2022	55.25	55.25	53.64	53.73
2377	NASDAQ	ALTR	Thu, Aug 25, 2022	54.83	55.48	54.65	55.38
2376	NASDAQ	ALTR	Wed, Aug 24, 2022	53.13	54.39	52.81	54.31
2375	NASDAQ	ALTR	Tue, Aug 23, 2022	53.58	53.90	52.98	53.26
2374	NASDAQ	ALTR	Mon, Aug 22, 2022	53.84	54.70	52.92	53.72
2373	NASDAQ	ALTR	Fri, Aug 19, 2022	56.28	56.30	54.55	54.77
2372	NASDAQ	ALTR	Thu, Aug 18, 2022	56.52	57.49	55.61	56.43
2371	NASDAQ	ALTR	Wed, Aug 17, 2022	56.38	56.89	55.56	56.68
2370	NASDAQ	ALTR	Tue, Aug 16, 2022	56.73	57.25	55.52	56.27
2369	NASDAQ	ALTR	Mon, Aug 15, 2022	56.52	57.78	56.42	57.28
2368	NASDAQ	ALTR	Fri, Aug 12, 2022	55.39	56.52	55.38	56.41
2367	NASDAQ	ALTR	Thu, Aug 11, 2022	57.01	57.20	55.26	55.32
2366	NASDAQ	ALTR	Wed, Aug 10, 2022	57.32	57.49	56.39	56.48
2365	NASDAQ	ALTR	Tue, Aug 9, 2022	56.35	56.36	55.46	55.91
2364	NASDAQ	ALTR	Mon, Aug 8, 2022	58.25	58.90	56.90	56.95
2363	NASDAQ	ALTR	Fri, Aug 5, 2022	59.08	59.08	55.56	57.89
2362	NASDAQ	ALTR	Thu, Aug 4, 2022	60.15	61.10	59.69	60.88
2361	NASDAQ	ALTR	Wed, Aug 3, 2022	58.37	60.19	58.37	60.04
2360	NASDAQ	ALTR	Tue, Aug 2, 2022	58.55	59.11	58.30	58.31
2359	NASDAQ	ALTR	Mon, Aug 1, 2022	58.32	59.56	58.18	59.20
2358	NASDAQ	ALTR	Fri, Jul 29, 2022	57.69	59.06	57.19	58.91
2357	NASDAQ	ALTR	Thu, Jul 28, 2022	55.79	57.97	55.09	57.72
2356	NASDAQ	ALTR	Wed, Jul 27, 2022	54.36	56.50	54.36	55.98
2355	NASDAQ	ALTR	Tue, Jul 26, 2022	54.15	54.36	53.26	53.52
2354	NASDAQ	ALTR	Mon, Jul 25, 2022	54.89	54.92	53.96	54.38
2353	NASDAQ	ALTR	Fri, Jul 22, 2022	54.70	55.01	53.86	54.91
2352	NASDAQ	ALTR	Thu, Jul 21, 2022	54.01	55.02	53.82	55.02
2351	NASDAQ	ALTR	Wed, Jul 20, 2022	53.16	54.86	53.00	54.27
2350	NASDAQ	ALTR	Tue, Jul 19, 2022	51.89	53.08	51.13	52.83
2349	NASDAQ	ALTR	Mon, Jul 18, 2022	51.78	52.28	50.98	51.34
2348	NASDAQ	ALTR	Fri, Jul 15, 2022	49.82	51.61	49.58	51.36
2347	NASDAQ	ALTR	Thu, Jul 14, 2022	48.65	49.10	48.20	49.03
2346	NASDAQ	ALTR	Wed, Jul 13, 2022	48.44	49.90	48.32	49.38
2345	NASDAQ	ALTR	Tue, Jul 12, 2022	51.82	52.28	49.29	49.66
2344	NASDAQ	ALTR	Mon, Jul 11, 2022	53.06	53.96	51.47	51.62
2343	NASDAQ	ALTR	Fri, Jul 8, 2022	53.01	53.52	52.39	53.23
2342	NASDAQ	ALTR	Thu, Jul 7, 2022	52.80	53.88	52.40	53.61
2341	NASDAQ	ALTR	Wed, Jul 6, 2022	53.66	53.91	52.14	52.91
2340	NASDAQ	ALTR	Tue, Jul 5, 2022	51.50	53.53	51.05	53.47
2339	NASDAQ	ALTR	Fri, Jul 1, 2022	52.09	52.74	51.59	52.07
2338	NASDAQ	ALTR	Thu, Jun 30, 2022	51.41	52.51	50.65	52.50
2337	NASDAQ	ALTR	Wed, Jun 29, 2022	51.14	52.71	50.31	51.79
2336	NASDAQ	ALTR	Tue, Jun 28, 2022	51.15	51.75	50.47	51.25
2335	NASDAQ	ALTR	Mon, Jun 27, 2022	54.04	54.40	50.90	51.41
2334	NASDAQ	ALTR	Fri, Jun 24, 2022	54.72	56.11	54.50	55.73
2333	NASDAQ	ALTR	Thu, Jun 23, 2022	52.39	54.54	52.06	54.18
2332	NASDAQ	ALTR	Wed, Jun 22, 2022	52.00	53.02	51.60	52.07
2331	NASDAQ	ALTR	Tue, Jun 21, 2022	52.25	53.20	52.14	52.34
2330	NASDAQ	ALTR	Fri, Jun 17, 2022	50.87	53.67	49.61	51.95
2329	NASDAQ	ALTR	Thu, Jun 16, 2022	50.32	50.93	49.66	50.41
2328	NASDAQ	ALTR	Wed, Jun 15, 2022	49.56	52.28	49.50	51.36
2327	NASDAQ	ALTR	Tue, Jun 14, 2022	50.20	50.36	48.50	49.37
2326	NASDAQ	ALTR	Mon, Jun 13, 2022	50.28	51.02	49.63	49.96
2325	NASDAQ	ALTR	Fri, Jun 10, 2022	53.13	53.77	51.47	51.94
2324	NASDAQ	ALTR	Thu, Jun 9, 2022	54.84	56.75	53.86	55.14
2323	NASDAQ	ALTR	Wed, Jun 8, 2022	55.16	55.75	54.39	54.57
2322	NASDAQ	ALTR	Tue, Jun 7, 2022	54.09	55.80	54.09	55.28
2321	NASDAQ	ALTR	Mon, Jun 6, 2022	56.24	56.57	54.69	54.94
2320	NASDAQ	ALTR	Fri, Jun 3, 2022	55.24	55.93	54.45	55.00
2319	NASDAQ	ALTR	Thu, Jun 2, 2022	53.98	56.51	53.02	56.46
2318	NASDAQ	ALTR	Wed, Jun 1, 2022	55.29	56.90	53.55	53.97
2317	NASDAQ	ALTR	Tue, May 31, 2022	55.05	55.41	54.16	54.96
2316	NASDAQ	ALTR	Fri, May 27, 2022	53.58	55.22	53.25	55.09
2315	NASDAQ	ALTR	Thu, May 26, 2022	52.38	53.46	51.14	53.10
2314	NASDAQ	ALTR	Wed, May 25, 2022	51.40	53.07	50.80	52.47
2313	NASDAQ	ALTR	Tue, May 24, 2022	51.54	52.19	50.34	51.76
2312	NASDAQ	ALTR	Mon, May 23, 2022	52.02	54.46	51.19	52.30
2311	NASDAQ	ALTR	Fri, May 20, 2022	53.20	53.31	50.71	52.03
2310	NASDAQ	ALTR	Thu, May 19, 2022	51.13	53.28	51.03	52.19
2309	NASDAQ	ALTR	Wed, May 18, 2022	51.33	52.12	49.26	51.02
2308	NASDAQ	ALTR	Tue, May 17, 2022	53.36	53.68	51.62	52.19
2307	NASDAQ	ALTR	Mon, May 16, 2022	52.41	53.41	51.30	52.25
2306	NASDAQ	ALTR	Fri, May 13, 2022	51.74	53.89	51.02	53.07
2305	NASDAQ	ALTR	Thu, May 12, 2022	49.31	51.93	48.86	50.84
2304	NASDAQ	ALTR	Wed, May 11, 2022	50.74	52.01	49.93	50.11
2303	NASDAQ	ALTR	Tue, May 10, 2022	50.73	54.71	48.79	51.17
2302	NASDAQ	ALTR	Mon, May 9, 2022	50.44	51.47	48.77	49.58
2301	NASDAQ	ALTR	Fri, May 6, 2022	53.74	53.74	50.72	51.57
2300	NASDAQ	ALTR	Thu, May 5, 2022	54.96	55.44	52.62	53.74
2299	NASDAQ	ALTR	Wed, May 4, 2022	55.31	56.44	53.56	56.01
2298	NASDAQ	ALTR	Tue, May 3, 2022	55.63	56.02	54.95	55.33
2297	NASDAQ	ALTR	Mon, May 2, 2022	54.37	55.69	53.52	55.60
2296	NASDAQ	ALTR	Fri, Apr 29, 2022	54.78	56.04	54.07	54.32
2295	NASDAQ	ALTR	Thu, Apr 28, 2022	54.35	55.77	53.78	55.11
2294	NASDAQ	ALTR	Wed, Apr 27, 2022	54.36	55.55	53.44	53.69
2293	NASDAQ	ALTR	Tue, Apr 26, 2022	55.80	55.80	54.14	54.29
2292	NASDAQ	ALTR	Mon, Apr 25, 2022	55.06	56.32	55.06	56.25
2291	NASDAQ	ALTR	Fri, Apr 22, 2022	56.17	57.43	55.21	55.51
2290	NASDAQ	ALTR	Thu, Apr 21, 2022	58.98	58.98	55.91	56.29
2289	NASDAQ	ALTR	Wed, Apr 20, 2022	59.08	59.39	58.33	58.33
2288	NASDAQ	ALTR	Tue, Apr 19, 2022	57.08	58.77	56.94	58.72
2287	NASDAQ	ALTR	Mon, Apr 18, 2022	57.93	58.17	56.66	57.55
2286	NASDAQ	ALTR	Thu, Apr 14, 2022	60.94	61.09	57.72	57.80
2285	NASDAQ	ALTR	Wed, Apr 13, 2022	59.63	61.15	59.50	60.59
2284	NASDAQ	ALTR	Tue, Apr 12, 2022	60.28	62.13	59.23	59.63
2283	NASDAQ	ALTR	Mon, Apr 11, 2022	59.62	59.62	58.12	59.10
2282	NASDAQ	ALTR	Fri, Apr 8, 2022	61.03	61.03	59.03	59.17
2281	NASDAQ	ALTR	Thu, Apr 7, 2022	61.45	62.63	60.82	61.40
2280	NASDAQ	ALTR	Wed, Apr 6, 2022	62.06	63.06	61.46	61.87
2279	NASDAQ	ALTR	Tue, Apr 5, 2022	64.81	64.81	62.51	62.98
2278	NASDAQ	ALTR	Mon, Apr 4, 2022	64.06	65.35	64.06	64.79
2277	NASDAQ	ALTR	Fri, Apr 1, 2022	64.53	65.49	62.64	63.80
2276	NASDAQ	ALTR	Thu, Mar 31, 2022	65.06	66.14	64.32	64.40
2275	NASDAQ	ALTR	Wed, Mar 30, 2022	65.96	66.43	64.02	65.20
2274	NASDAQ	ALTR	Tue, Mar 29, 2022	64.86	66.97	64.45	66.57
2273	NASDAQ	ALTR	Mon, Mar 28, 2022	62.36	64.05	62.36	64.00
2272	NASDAQ	ALTR	Fri, Mar 25, 2022	64.03	64.37	61.84	62.40
2271	NASDAQ	ALTR	Thu, Mar 24, 2022	63.37	63.92	62.71	63.84
2270	NASDAQ	ALTR	Wed, Mar 23, 2022	63.90	64.11	62.81	63.23
2269	NASDAQ	ALTR	Tue, Mar 22, 2022	63.00	64.80	62.58	64.54
2268	NASDAQ	ALTR	Mon, Mar 21, 2022	63.66	64.44	62.36	62.91
2267	NASDAQ	ALTR	Fri, Mar 18, 2022	62.78	64.45	62.33	64.15
2266	NASDAQ	ALTR	Thu, Mar 17, 2022	61.13	62.65	60.57	62.62
2265	NASDAQ	ALTR	Wed, Mar 16, 2022	58.48	62.21	58.48	61.00
2264	NASDAQ	ALTR	Tue, Mar 15, 2022	60.13	61.17	58.87	59.52
2263	NASDAQ	ALTR	Mon, Mar 14, 2022	59.96	62.06	59.23	59.41
2262	NASDAQ	ALTR	Fri, Mar 11, 2022	63.99	63.99	60.97	61.05
2261	NASDAQ	ALTR	Thu, Mar 10, 2022	63.55	64.82	63.05	63.14
2260	NASDAQ	ALTR	Wed, Mar 9, 2022	63.27	65.19	62.73	64.91
2259	NASDAQ	ALTR	Tue, Mar 8, 2022	64.19	64.49	61.91	62.48
2258	NASDAQ	ALTR	Mon, Mar 7, 2022	64.55	65.62	63.86	64.49
2257	NASDAQ	ALTR	Fri, Mar 4, 2022	65.83	66.12	64.13	65.09
2256	NASDAQ	ALTR	Thu, Mar 3, 2022	68.06	68.85	65.53	66.02
2255	NASDAQ	ALTR	Wed, Mar 2, 2022	67.45	67.94	65.23	67.27
2254	NASDAQ	ALTR	Tue, Mar 1, 2022	66.40	68.34	64.69	66.88
2253	NASDAQ	ALTR	Mon, Feb 28, 2022	64.30	67.29	64.30	66.42
2252	NASDAQ	ALTR	Fri, Feb 25, 2022	61.67	64.92	58.64	64.92
2251	NASDAQ	ALTR	Thu, Feb 24, 2022	56.79	61.83	56.71	61.63
2250	NASDAQ	ALTR	Wed, Feb 23, 2022	58.80	60.45	58.20	58.42
2249	NASDAQ	ALTR	Tue, Feb 22, 2022	58.01	59.83	57.55	58.60
2248	NASDAQ	ALTR	Fri, Feb 18, 2022	60.90	61.13	58.45	58.69
2247	NASDAQ	ALTR	Thu, Feb 17, 2022	61.55	62.00	60.32	60.59
2246	NASDAQ	ALTR	Wed, Feb 16, 2022	61.49	62.59	60.68	62.29
2245	NASDAQ	ALTR	Tue, Feb 15, 2022	61.53	61.99	60.43	61.79
2244	NASDAQ	ALTR	Mon, Feb 14, 2022	60.60	61.70	60.21	60.54
2243	NASDAQ	ALTR	Fri, Feb 11, 2022	62.97	63.41	59.82	60.58
2242	NASDAQ	ALTR	Thu, Feb 10, 2022	62.13	63.60	60.98	62.60
2241	NASDAQ	ALTR	Wed, Feb 9, 2022	63.12	63.99	62.49	63.59
2240	NASDAQ	ALTR	Tue, Feb 8, 2022	60.68	62.21	58.32	62.02
2239	NASDAQ	ALTR	Mon, Feb 7, 2022	60.76	61.93	60.25	61.00
2238	NASDAQ	ALTR	Fri, Feb 4, 2022	59.64	61.15	57.56	60.73
2237	NASDAQ	ALTR	Thu, Feb 3, 2022	59.94	61.45	59.33	59.48
2236	NASDAQ	ALTR	Wed, Feb 2, 2022	62.59	62.89	61.31	61.42
2235	NASDAQ	ALTR	Tue, Feb 1, 2022	62.92	63.18	61.19	62.06
2234	NASDAQ	ALTR	Mon, Jan 31, 2022	59.99	63.02	59.71	62.92
2233	NASDAQ	ALTR	Fri, Jan 28, 2022	58.14	59.79	56.88	59.78
2232	NASDAQ	ALTR	Thu, Jan 27, 2022	59.15	59.79	57.18	57.74
2231	NASDAQ	ALTR	Wed, Jan 26, 2022	59.09	61.26	57.61	58.20
2230	NASDAQ	ALTR	Tue, Jan 25, 2022	60.02	61.57	57.48	57.65
2229	NASDAQ	ALTR	Mon, Jan 24, 2022	58.45	61.41	56.82	61.13
2228	NASDAQ	ALTR	Fri, Jan 21, 2022	59.16	61.23	57.95	59.35
2227	NASDAQ	ALTR	Thu, Jan 20, 2022	60.79	62.27	59.88	59.98
2226	NASDAQ	ALTR	Wed, Jan 19, 2022	60.89	63.47	59.76	59.96
2225	NASDAQ	ALTR	Tue, Jan 18, 2022	62.79	63.44	60.50	60.96
2224	NASDAQ	ALTR	Fri, Jan 14, 2022	64.20	65.41	62.91	64.20
2223	NASDAQ	ALTR	Thu, Jan 13, 2022	68.52	69.08	64.98	65.05
2222	NASDAQ	ALTR	Wed, Jan 12, 2022	68.90	69.64	67.73	68.09
2221	NASDAQ	ALTR	Tue, Jan 11, 2022	67.08	68.90	65.24	68.57
2220	NASDAQ	ALTR	Mon, Jan 10, 2022	66.31	67.17	65.09	66.95
2219	NASDAQ	ALTR	Fri, Jan 7, 2022	68.75	69.30	67.37	67.52
2218	NASDAQ	ALTR	Thu, Jan 6, 2022	67.68	69.53	67.45	68.75
2217	NASDAQ	ALTR	Wed, Jan 5, 2022	70.87	71.46	67.75	67.93
2216	NASDAQ	ALTR	Tue, Jan 4, 2022	72.53	72.53	69.52	71.19
2215	NASDAQ	ALTR	Mon, Jan 3, 2022	77.34	78.38	71.77	72.65
2214	NASDAQ	ALTR	Fri, Dec 31, 2021	75.27	77.77	75.04	77.32
2213	NASDAQ	ALTR	Thu, Dec 30, 2021	74.67	75.72	74.62	75.47
2212	NASDAQ	ALTR	Wed, Dec 29, 2021	74.67	76.00	73.55	74.44
2211	NASDAQ	ALTR	Tue, Dec 28, 2021	75.45	75.45	74.17	74.47
2210	NASDAQ	ALTR	Mon, Dec 27, 2021	73.85	75.48	73.79	75.39
2209	NASDAQ	ALTR	Thu, Dec 23, 2021	74.73	75.02	73.25	73.74
2208	NASDAQ	ALTR	Wed, Dec 22, 2021	72.83	74.57	72.68	74.52
2207	NASDAQ	ALTR	Tue, Dec 21, 2021	71.57	72.82	70.72	72.81
2206	NASDAQ	ALTR	Mon, Dec 20, 2021	70.77	71.40	69.88	70.67
2205	NASDAQ	ALTR	Fri, Dec 17, 2021	70.30	72.48	69.13	72.16
2204	NASDAQ	ALTR	Thu, Dec 16, 2021	73.11	74.57	70.55	70.79
2203	NASDAQ	ALTR	Wed, Dec 15, 2021	71.58	72.75	69.66	72.67
2202	NASDAQ	ALTR	Tue, Dec 14, 2021	72.72	72.95	70.05	71.41
2201	NASDAQ	ALTR	Mon, Dec 13, 2021	73.16	74.92	73.04	73.46
2200	NASDAQ	ALTR	Fri, Dec 10, 2021	73.34	75.08	72.66	73.05
2199	NASDAQ	ALTR	Thu, Dec 9, 2021	74.83	75.58	72.46	72.58
2198	NASDAQ	ALTR	Wed, Dec 8, 2021	74.81	75.62	73.51	75.11
2197	NASDAQ	ALTR	Tue, Dec 7, 2021	73.36	75.08	72.35	74.71
2196	NASDAQ	ALTR	Mon, Dec 6, 2021	71.91	73.05	70.57	72.58
2195	NASDAQ	ALTR	Fri, Dec 3, 2021	73.64	73.64	70.14	71.62
2194	NASDAQ	ALTR	Thu, Dec 2, 2021	71.76	73.49	71.40	73.15
2193	NASDAQ	ALTR	Wed, Dec 1, 2021	75.61	76.08	71.73	71.92
2192	NASDAQ	ALTR	Tue, Nov 30, 2021	75.18	76.29	73.62	74.45
2191	NASDAQ	ALTR	Mon, Nov 29, 2021	75.16	76.35	74.56	75.41
2190	NASDAQ	ALTR	Fri, Nov 26, 2021	74.85	75.90	73.71	74.16
2189	NASDAQ	ALTR	Wed, Nov 24, 2021	74.14	75.86	73.01	75.80
2188	NASDAQ	ALTR	Tue, Nov 23, 2021	77.51	77.85	74.09	75.14
2187	NASDAQ	ALTR	Mon, Nov 22, 2021	79.96	80.36	77.57	77.76
2186	NASDAQ	ALTR	Fri, Nov 19, 2021	78.40	80.80	78.05	79.77
2185	NASDAQ	ALTR	Thu, Nov 18, 2021	78.29	78.65	77.22	78.00
2184	NASDAQ	ALTR	Wed, Nov 17, 2021	79.04	79.04	77.82	77.95
2183	NASDAQ	ALTR	Tue, Nov 16, 2021	78.00	79.78	77.73	78.98
2182	NASDAQ	ALTR	Mon, Nov 15, 2021	79.26	79.26	77.20	78.18
2181	NASDAQ	ALTR	Fri, Nov 12, 2021	78.00	78.80	77.29	78.78
2180	NASDAQ	ALTR	Thu, Nov 11, 2021	77.68	78.24	77.45	77.61
2179	NASDAQ	ALTR	Wed, Nov 10, 2021	78.83	80.04	76.41	77.16
2178	NASDAQ	ALTR	Tue, Nov 9, 2021	80.89	81.03	79.05	80.06
2177	NASDAQ	ALTR	Mon, Nov 8, 2021	80.09	82.96	79.71	80.00
2176	NASDAQ	ALTR	Fri, Nov 5, 2021	82.00	82.00	78.79	79.91
2175	NASDAQ	ALTR	Thu, Nov 4, 2021	78.00	80.83	77.81	80.73
2174	NASDAQ	ALTR	Wed, Nov 3, 2021	78.85	78.89	77.32	77.48
2173	NASDAQ	ALTR	Tue, Nov 2, 2021	78.47	79.19	77.86	78.75
2172	NASDAQ	ALTR	Mon, Nov 1, 2021	78.06	78.73	77.83	78.26
2171	NASDAQ	ALTR	Fri, Oct 29, 2021	76.41	77.88	76.41	77.79
2170	NASDAQ	ALTR	Thu, Oct 28, 2021	75.80	77.03	75.80	76.88
2169	NASDAQ	ALTR	Wed, Oct 27, 2021	77.36	77.43	75.39	75.44
2168	NASDAQ	ALTR	Tue, Oct 26, 2021	77.01	78.36	77.01	77.44
2167	NASDAQ	ALTR	Mon, Oct 25, 2021	76.34	77.24	75.63	76.78
2166	NASDAQ	ALTR	Fri, Oct 22, 2021	75.36	75.96	74.87	75.89
2165	NASDAQ	ALTR	Thu, Oct 21, 2021	75.12	76.07	74.33	75.27
2164	NASDAQ	ALTR	Wed, Oct 20, 2021	74.18	75.23	74.17	74.94
2163	NASDAQ	ALTR	Tue, Oct 19, 2021	73.59	74.76	72.75	74.24
2162	NASDAQ	ALTR	Mon, Oct 18, 2021	72.17	74.05	72.17	73.55
2161	NASDAQ	ALTR	Fri, Oct 15, 2021	74.10	74.36	72.49	72.75
2160	NASDAQ	ALTR	Thu, Oct 14, 2021	73.23	74.21	72.50	72.99
2159	NASDAQ	ALTR	Wed, Oct 13, 2021	71.23	72.61	71.16	72.61
2158	NASDAQ	ALTR	Tue, Oct 12, 2021	70.96	71.45	70.20	70.68
2157	NASDAQ	ALTR	Mon, Oct 11, 2021	70.25	71.48	70.22	70.42
2156	NASDAQ	ALTR	Fri, Oct 8, 2021	71.88	71.88	70.52	70.69
2155	NASDAQ	ALTR	Thu, Oct 7, 2021	72.34	73.10	71.36	71.45
2154	NASDAQ	ALTR	Wed, Oct 6, 2021	70.23	71.32	69.30	71.03
2153	NASDAQ	ALTR	Tue, Oct 5, 2021	69.70	71.62	69.19	71.17
2152	NASDAQ	ALTR	Mon, Oct 4, 2021	69.42	69.92	67.31	69.24
2151	NASDAQ	ALTR	Fri, Oct 1, 2021	69.27	70.29	68.46	69.93
2150	NASDAQ	ALTR	Thu, Sep 30, 2021	69.26	69.93	68.68	68.94
2149	NASDAQ	ALTR	Wed, Sep 29, 2021	69.91	70.35	68.66	68.91
2148	NASDAQ	ALTR	Tue, Sep 28, 2021	71.83	72.07	69.38	69.48
2147	NASDAQ	ALTR	Mon, Sep 27, 2021	73.91	73.92	72.44	72.93
2146	NASDAQ	ALTR	Fri, Sep 24, 2021	74.15	74.89	73.29	74.45
2145	NASDAQ	ALTR	Thu, Sep 23, 2021	73.76	74.78	73.31	74.70
2144	NASDAQ	ALTR	Wed, Sep 22, 2021	73.02	73.56	72.28	73.31
2143	NASDAQ	ALTR	Tue, Sep 21, 2021	72.71	74.36	72.01	72.59
2142	NASDAQ	ALTR	Mon, Sep 20, 2021	73.10	74.13	70.93	72.03
2141	NASDAQ	ALTR	Fri, Sep 17, 2021	76.11	76.44	73.51	74.89
2140	NASDAQ	ALTR	Thu, Sep 16, 2021	75.68	75.68	74.66	75.52
2139	NASDAQ	ALTR	Wed, Sep 15, 2021	75.20	75.87	74.72	75.67
2138	NASDAQ	ALTR	Tue, Sep 14, 2021	75.71	76.15	74.79	75.27
2137	NASDAQ	ALTR	Mon, Sep 13, 2021	74.37	75.55	73.43	75.27
2136	NASDAQ	ALTR	Fri, Sep 10, 2021	74.12	74.87	73.59	73.90
2135	NASDAQ	ALTR	Thu, Sep 9, 2021	73.95	75.05	73.95	73.99
2134	NASDAQ	ALTR	Wed, Sep 8, 2021	74.35	75.22	73.58	74.16
2133	NASDAQ	ALTR	Tue, Sep 7, 2021	75.12	75.41	74.16	74.59
2132	NASDAQ	ALTR	Fri, Sep 3, 2021	75.11	76.20	74.85	75.07
2131	NASDAQ	ALTR	Thu, Sep 2, 2021	75.71	75.77	74.47	75.34
2130	NASDAQ	ALTR	Wed, Sep 1, 2021	74.50	76.09	74.44	75.30
2129	NASDAQ	ALTR	Tue, Aug 31, 2021	74.26	74.46	73.52	73.99
2128	NASDAQ	ALTR	Mon, Aug 30, 2021	75.23	75.23	73.90	74.07
2127	NASDAQ	ALTR	Fri, Aug 27, 2021	73.47	75.55	73.37	74.95
2126	NASDAQ	ALTR	Thu, Aug 26, 2021	74.81	74.98	73.17	73.30
2125	NASDAQ	ALTR	Wed, Aug 25, 2021	76.39	76.91	74.99	75.12
2124	NASDAQ	ALTR	Tue, Aug 24, 2021	74.99	76.52	74.62	76.39
2123	NASDAQ	ALTR	Mon, Aug 23, 2021	74.04	74.90	74.00	74.78
2122	NASDAQ	ALTR	Fri, Aug 20, 2021	73.10	74.19	72.70	73.62
2121	NASDAQ	ALTR	Thu, Aug 19, 2021	70.39	72.95	70.22	72.84
2120	NASDAQ	ALTR	Wed, Aug 18, 2021	71.01	71.41	70.56	70.97
2119	NASDAQ	ALTR	Tue, Aug 17, 2021	71.71	71.71	70.78	71.18
2118	NASDAQ	ALTR	Mon, Aug 16, 2021	71.68	72.60	70.53	72.33
2117	NASDAQ	ALTR	Fri, Aug 13, 2021	72.25	72.50	71.83	72.11
2116	NASDAQ	ALTR	Thu, Aug 12, 2021	69.86	72.48	69.07	72.16
2115	NASDAQ	ALTR	Wed, Aug 11, 2021	71.09	71.45	70.13	70.14
2114	NASDAQ	ALTR	Tue, Aug 10, 2021	71.11	72.10	70.26	70.93
2113	NASDAQ	ALTR	Mon, Aug 9, 2021	71.83	72.24	70.92	70.98
2112	NASDAQ	ALTR	Fri, Aug 6, 2021	70.95	71.85	68.36	71.66
2111	NASDAQ	ALTR	Thu, Aug 5, 2021	68.97	70.95	68.97	70.79
2110	NASDAQ	ALTR	Wed, Aug 4, 2021	69.56	69.85	68.87	69.06
2109	NASDAQ	ALTR	Tue, Aug 3, 2021	69.74	70.68	69.27	69.87
2108	NASDAQ	ALTR	Mon, Aug 2, 2021	70.00	70.78	69.37	69.46
2107	NASDAQ	ALTR	Fri, Jul 30, 2021	68.75	69.76	68.62	69.76
2106	NASDAQ	ALTR	Thu, Jul 29, 2021	69.04	69.28	68.60	69.16
2105	NASDAQ	ALTR	Wed, Jul 28, 2021	67.69	69.10	67.41	69.00
2104	NASDAQ	ALTR	Tue, Jul 27, 2021	67.94	67.94	66.03	67.53
2103	NASDAQ	ALTR	Mon, Jul 26, 2021	68.18	68.20	67.51	67.59
2102	NASDAQ	ALTR	Fri, Jul 23, 2021	66.95	68.47	66.56	68.05
2101	NASDAQ	ALTR	Thu, Jul 22, 2021	66.98	67.77	66.73	66.95
2100	NASDAQ	ALTR	Wed, Jul 21, 2021	66.75	67.61	66.26	67.03
2099	NASDAQ	ALTR	Tue, Jul 20, 2021	66.32	67.93	66.32	66.72
2098	NASDAQ	ALTR	Mon, Jul 19, 2021	62.96	66.08	61.92	66.01
2097	NASDAQ	ALTR	Fri, Jul 16, 2021	67.16	67.16	64.07	64.17
2096	NASDAQ	ALTR	Thu, Jul 15, 2021	67.51	68.22	65.29	66.30
2095	NASDAQ	ALTR	Wed, Jul 14, 2021	69.14	69.35	67.84	67.91
2094	NASDAQ	ALTR	Tue, Jul 13, 2021	68.83	69.49	67.85	68.52
2093	NASDAQ	ALTR	Mon, Jul 12, 2021	69.17	69.50	68.20	69.02
2092	NASDAQ	ALTR	Fri, Jul 9, 2021	67.64	69.22	67.55	69.08
2091	NASDAQ	ALTR	Thu, Jul 8, 2021	67.50	68.30	66.01	67.48
2090	NASDAQ	ALTR	Wed, Jul 7, 2021	70.72	71.37	68.67	68.94
2089	NASDAQ	ALTR	Tue, Jul 6, 2021	71.00	72.16	70.40	70.50
2088	NASDAQ	ALTR	Fri, Jul 2, 2021	70.50	70.74	70.01	70.47
2087	NASDAQ	ALTR	Thu, Jul 1, 2021	68.89	70.18	68.41	70.17
2086	NASDAQ	ALTR	Wed, Jun 30, 2021	71.03	71.04	68.87	68.97
2085	NASDAQ	ALTR	Tue, Jun 29, 2021	69.52	71.53	69.25	71.46
2084	NASDAQ	ALTR	Mon, Jun 28, 2021	69.57	70.00	68.45	69.52
2083	NASDAQ	ALTR	Fri, Jun 25, 2021	70.50	71.39	69.50	69.57
2082	NASDAQ	ALTR	Thu, Jun 24, 2021	68.00	70.05	67.70	70.01
2081	NASDAQ	ALTR	Wed, Jun 23, 2021	66.65	67.71	65.85	67.58
2080	NASDAQ	ALTR	Tue, Jun 22, 2021	65.19	66.32	64.66	66.31
2079	NASDAQ	ALTR	Mon, Jun 21, 2021	64.41	65.68	63.76	65.36
2078	NASDAQ	ALTR	Fri, Jun 18, 2021	63.00	64.78	62.89	64.28
2077	NASDAQ	ALTR	Thu, Jun 17, 2021	62.77	63.53	62.39	63.27
2076	NASDAQ	ALTR	Wed, Jun 16, 2021	64.37	64.65	62.49	63.24
2075	NASDAQ	ALTR	Tue, Jun 15, 2021	66.58	66.58	64.30	64.60
2074	NASDAQ	ALTR	Mon, Jun 14, 2021	65.51	67.33	65.46	66.78
2073	NASDAQ	ALTR	Fri, Jun 11, 2021	65.53	65.83	65.38	65.49
2072	NASDAQ	ALTR	Thu, Jun 10, 2021	65.31	66.32	64.34	65.47
2071	NASDAQ	ALTR	Wed, Jun 9, 2021	65.89	66.26	65.14	65.25
2070	NASDAQ	ALTR	Tue, Jun 8, 2021	65.92	67.10	65.76	65.84
2069	NASDAQ	ALTR	Mon, Jun 7, 2021	65.33	66.27	65.22	65.68
2068	NASDAQ	ALTR	Fri, Jun 4, 2021	66.56	67.01	65.38	65.45
2067	NASDAQ	ALTR	Thu, Jun 3, 2021	66.21	67.26	65.32	65.85
2066	NASDAQ	ALTR	Wed, Jun 2, 2021	67.13	67.99	65.40	66.96
2065	NASDAQ	ALTR	Tue, Jun 1, 2021	67.33	67.76	66.44	67.03
2064	NASDAQ	ALTR	Fri, May 28, 2021	68.00	68.39	67.20	67.37
2063	NASDAQ	ALTR	Thu, May 27, 2021	65.67	67.64	64.72	67.44
2062	NASDAQ	ALTR	Wed, May 26, 2021	66.05	66.37	65.26	65.46
2061	NASDAQ	ALTR	Tue, May 25, 2021	66.35	66.62	64.88	65.49
2060	NASDAQ	ALTR	Mon, May 24, 2021	65.39	66.43	64.81	65.81
2059	NASDAQ	ALTR	Fri, May 21, 2021	65.36	66.25	64.34	64.86
2058	NASDAQ	ALTR	Thu, May 20, 2021	62.96	64.90	62.96	64.77
2057	NASDAQ	ALTR	Wed, May 19, 2021	62.15	63.07	60.25	62.81
2056	NASDAQ	ALTR	Tue, May 18, 2021	65.38	66.28	63.28	63.35
2055	NASDAQ	ALTR	Mon, May 17, 2021	65.53	65.91	64.71	65.22
2054	NASDAQ	ALTR	Fri, May 14, 2021	64.04	66.07	63.68	66.02
2053	NASDAQ	ALTR	Thu, May 13, 2021	63.63	64.49	62.47	63.48
2052	NASDAQ	ALTR	Wed, May 12, 2021	64.91	65.85	62.13	62.45
2051	NASDAQ	ALTR	Tue, May 11, 2021	63.72	66.22	62.99	65.76
2050	NASDAQ	ALTR	Mon, May 10, 2021	65.79	66.38	64.90	65.52
2049	NASDAQ	ALTR	Fri, May 7, 2021	65.60	67.47	64.74	65.85
2048	NASDAQ	ALTR	Thu, May 6, 2021	64.52	65.06	62.06	64.95
2047	NASDAQ	ALTR	Wed, May 5, 2021	65.00	66.25	64.50	65.00
2046	NASDAQ	ALTR	Tue, May 4, 2021	65.30	65.56	63.31	64.91
2045	NASDAQ	ALTR	Mon, May 3, 2021	65.31	66.71	64.55	65.42
2044	NASDAQ	ALTR	Fri, Apr 30, 2021	66.36	67.62	64.27	65.00
2043	NASDAQ	ALTR	Thu, Apr 29, 2021	68.51	69.00	66.73	67.25
2042	NASDAQ	ALTR	Wed, Apr 28, 2021	67.61	68.32	66.75	68.00
2041	NASDAQ	ALTR	Tue, Apr 27, 2021	68.00	68.17	67.22	67.61
2040	NASDAQ	ALTR	Mon, Apr 26, 2021	67.37	68.24	67.34	67.97
2039	NASDAQ	ALTR	Fri, Apr 23, 2021	65.33	67.44	65.32	67.11
2038	NASDAQ	ALTR	Thu, Apr 22, 2021	66.29	67.20	64.97	65.21
2037	NASDAQ	ALTR	Wed, Apr 21, 2021	63.97	66.02	63.54	66.01
2036	NASDAQ	ALTR	Tue, Apr 20, 2021	62.99	64.37	62.99	63.95
2035	NASDAQ	ALTR	Mon, Apr 19, 2021	62.47	63.55	62.30	63.29
2034	NASDAQ	ALTR	Fri, Apr 16, 2021	61.98	63.36	60.55	63.30
2033	NASDAQ	ALTR	Thu, Apr 15, 2021	64.02	66.84	60.83	61.59
2032	NASDAQ	ALTR	Wed, Apr 14, 2021	63.68	65.47	63.68	63.99
2031	NASDAQ	ALTR	Tue, Apr 13, 2021	64.57	65.30	63.71	63.76
2030	NASDAQ	ALTR	Mon, Apr 12, 2021	64.75	64.90	63.46	63.96
2029	NASDAQ	ALTR	Fri, Apr 9, 2021	65.06	65.42	64.50	65.15
2028	NASDAQ	ALTR	Thu, Apr 8, 2021	64.92	65.47	64.37	65.13
2027	NASDAQ	ALTR	Wed, Apr 7, 2021	64.39	64.77	63.46	64.05
2026	NASDAQ	ALTR	Tue, Apr 6, 2021	64.66	65.50	63.94	64.29
2025	NASDAQ	ALTR	Mon, Apr 5, 2021	63.56	65.45	63.31	65.18
2024	NASDAQ	ALTR	Thu, Apr 1, 2021	63.59	66.03	62.85	63.32
2023	NASDAQ	ALTR	Wed, Mar 31, 2021	61.40	63.42	61.17	62.57
2022	NASDAQ	ALTR	Tue, Mar 30, 2021	61.56	62.47	60.72	60.97
2021	NASDAQ	ALTR	Mon, Mar 29, 2021	63.16	63.91	60.92	61.38
2020	NASDAQ	ALTR	Fri, Mar 26, 2021	61.13	63.45	60.85	63.45
2019	NASDAQ	ALTR	Thu, Mar 25, 2021	59.41	61.06	58.03	60.66
2018	NASDAQ	ALTR	Wed, Mar 24, 2021	61.98	61.98	59.93	60.02
2017	NASDAQ	ALTR	Tue, Mar 23, 2021	62.72	64.20	61.15	61.46
2016	NASDAQ	ALTR	Mon, Mar 22, 2021	61.96	63.98	61.95	62.75
2015	NASDAQ	ALTR	Fri, Mar 19, 2021	58.79	61.89	58.45	61.40
2014	NASDAQ	ALTR	Thu, Mar 18, 2021	59.67	60.86	58.65	59.14
2013	NASDAQ	ALTR	Wed, Mar 17, 2021	59.58	61.11	59.05	60.38
2012	NASDAQ	ALTR	Tue, Mar 16, 2021	60.43	62.11	59.29	60.64
2011	NASDAQ	ALTR	Mon, Mar 15, 2021	59.75	62.03	59.67	61.93
2010	NASDAQ	ALTR	Fri, Mar 12, 2021	59.45	62.39	59.45	60.63
2009	NASDAQ	ALTR	Thu, Mar 11, 2021	61.13	63.39	60.90	62.90
2008	NASDAQ	ALTR	Wed, Mar 10, 2021	61.68	62.98	59.48	59.74
2007	NASDAQ	ALTR	Tue, Mar 9, 2021	57.24	61.06	57.12	60.52
2006	NASDAQ	ALTR	Mon, Mar 8, 2021	58.56	59.50	55.50	55.67
2005	NASDAQ	ALTR	Fri, Mar 5, 2021	59.24	59.24	55.80	58.44
2004	NASDAQ	ALTR	Thu, Mar 4, 2021	61.51	62.49	58.03	58.67
2003	NASDAQ	ALTR	Wed, Mar 3, 2021	64.06	64.06	62.08	62.50
2002	NASDAQ	ALTR	Tue, Mar 2, 2021	63.89	64.64	62.88	63.65
2001	NASDAQ	ALTR	Mon, Mar 1, 2021	63.31	64.41	62.51	63.27
2000	NASDAQ	ALTR	Fri, Feb 26, 2021	57.03	62.03	57.00	61.59
1999	NASDAQ	ALTR	Thu, Feb 25, 2021	60.83	61.37	57.67	57.67
1998	NASDAQ	ALTR	Wed, Feb 24, 2021	60.00	61.56	58.62	61.17
1997	NASDAQ	ALTR	Tue, Feb 23, 2021	59.74	61.15	58.05	60.59
1996	NASDAQ	ALTR	Mon, Feb 22, 2021	62.18	62.98	60.70	61.22
1995	NASDAQ	ALTR	Fri, Feb 19, 2021	61.38	64.47	61.38	63.08
1994	NASDAQ	ALTR	Thu, Feb 18, 2021	61.38	62.47	60.25	61.03
1993	NASDAQ	ALTR	Wed, Feb 17, 2021	64.52	65.74	61.82	62.06
1992	NASDAQ	ALTR	Tue, Feb 16, 2021	67.80	68.58	64.64	65.01
1991	NASDAQ	ALTR	Fri, Feb 12, 2021	66.12	67.38	65.29	67.34
1990	NASDAQ	ALTR	Thu, Feb 11, 2021	66.10	66.62	65.01	66.35
1989	NASDAQ	ALTR	Wed, Feb 10, 2021	65.80	66.97	64.04	65.83
1988	NASDAQ	ALTR	Tue, Feb 9, 2021	65.09	67.17	64.62	65.35
1987	NASDAQ	ALTR	Mon, Feb 8, 2021	66.15	67.25	64.13	65.49
1986	NASDAQ	ALTR	Fri, Feb 5, 2021	64.54	64.74	63.63	64.64
1985	NASDAQ	ALTR	Thu, Feb 4, 2021	61.12	64.21	60.91	63.54
1984	NASDAQ	ALTR	Wed, Feb 3, 2021	59.82	61.55	59.63	61.18
1983	NASDAQ	ALTR	Tue, Feb 2, 2021	59.70	60.95	59.49	59.86
1982	NASDAQ	ALTR	Mon, Feb 1, 2021	56.36	59.44	56.36	59.15
1981	NASDAQ	ALTR	Fri, Jan 29, 2021	57.35	58.45	55.92	55.93
1980	NASDAQ	ALTR	Thu, Jan 28, 2021	55.75	57.90	54.64	56.95
1979	NASDAQ	ALTR	Wed, Jan 27, 2021	56.92	57.84	55.31	55.52
1978	NASDAQ	ALTR	Tue, Jan 26, 2021	59.25	59.25	57.89	58.21
1977	NASDAQ	ALTR	Mon, Jan 25, 2021	59.61	60.67	58.87	59.01
1976	NASDAQ	ALTR	Fri, Jan 22, 2021	61.06	61.24	59.09	59.75
1975	NASDAQ	ALTR	Thu, Jan 21, 2021	62.03	62.36	61.42	61.58
1974	NASDAQ	ALTR	Wed, Jan 20, 2021	60.97	62.74	60.86	61.87
1973	NASDAQ	ALTR	Tue, Jan 19, 2021	60.99	61.51	60.19	60.50
1972	NASDAQ	ALTR	Fri, Jan 15, 2021	61.34	63.14	59.00	59.90
1971	NASDAQ	ALTR	Thu, Jan 14, 2021	60.21	62.13	60.21	61.73
1970	NASDAQ	ALTR	Wed, Jan 13, 2021	62.97	63.00	59.59	60.20
1969	NASDAQ	ALTR	Tue, Jan 12, 2021	61.86	63.14	61.78	62.99
1968	NASDAQ	ALTR	Mon, Jan 11, 2021	59.79	61.69	58.77	61.63
1967	NASDAQ	ALTR	Fri, Jan 8, 2021	61.01	61.57	59.70	60.51
1966	NASDAQ	ALTR	Thu, Jan 7, 2021	60.02	61.16	59.45	60.82
1965	NASDAQ	ALTR	Wed, Jan 6, 2021	58.27	60.16	58.09	59.75
1964	NASDAQ	ALTR	Tue, Jan 5, 2021	57.50	58.46	57.25	58.35
1963	NASDAQ	ALTR	Mon, Jan 4, 2021	58.24	58.99	57.09	57.70
1962	NASDAQ	ALTR	Thu, Dec 31, 2020	58.16	58.55	57.93	58.18
1961	NASDAQ	ALTR	Wed, Dec 30, 2020	58.32	58.79	58.09	58.18
1960	NASDAQ	ALTR	Tue, Dec 29, 2020	58.46	59.71	57.66	58.00
1959	NASDAQ	ALTR	Mon, Dec 28, 2020	59.94	60.00	58.50	58.50
1958	NASDAQ	ALTR	Thu, Dec 24, 2020	59.55	59.94	58.75	59.21
1957	NASDAQ	ALTR	Wed, Dec 23, 2020	58.43	59.48	57.70	59.19
1956	NASDAQ	ALTR	Tue, Dec 22, 2020	58.21	59.25	57.32	58.43
1955	NASDAQ	ALTR	Mon, Dec 21, 2020	57.00	58.15	56.93	57.72
1954	NASDAQ	ALTR	Fri, Dec 18, 2020	58.38	58.93	57.42	57.92
1953	NASDAQ	ALTR	Thu, Dec 17, 2020	57.13	58.68	57.13	57.96
1952	NASDAQ	ALTR	Wed, Dec 16, 2020	56.87	57.74	56.51	56.98
1951	NASDAQ	ALTR	Tue, Dec 15, 2020	57.22	57.57	55.91	57.04
1950	NASDAQ	ALTR	Mon, Dec 14, 2020	57.07	57.74	56.22	56.88
1949	NASDAQ	ALTR	Fri, Dec 11, 2020	55.92	56.62	55.35	56.50
1948	NASDAQ	ALTR	Thu, Dec 10, 2020	54.93	56.55	54.79	55.68
1947	NASDAQ	ALTR	Wed, Dec 9, 2020	57.70	57.71	54.36	54.93
1946	NASDAQ	ALTR	Tue, Dec 8, 2020	54.00	55.12	52.00	55.08
1945	NASDAQ	ALTR	Mon, Dec 7, 2020	54.17	54.81	53.62	54.42
1944	NASDAQ	ALTR	Fri, Dec 4, 2020	52.67	54.18	52.27	53.96
1943	NASDAQ	ALTR	Thu, Dec 3, 2020	51.80	53.72	51.72	52.30
1942	NASDAQ	ALTR	Wed, Dec 2, 2020	52.35	52.81	51.40	52.03
1941	NASDAQ	ALTR	Tue, Dec 1, 2020	54.39	54.39	52.42	53.00
1940	NASDAQ	ALTR	Mon, Nov 30, 2020	53.00	54.48	52.83	53.90
1939	NASDAQ	ALTR	Fri, Nov 27, 2020	51.95	53.46	51.92	53.18
1938	NASDAQ	ALTR	Wed, Nov 25, 2020	51.87	52.42	50.96	51.77
1937	NASDAQ	ALTR	Tue, Nov 24, 2020	51.00	51.22	50.65	50.96
1936	NASDAQ	ALTR	Mon, Nov 23, 2020	51.00	51.38	50.11	51.11
1935	NASDAQ	ALTR	Fri, Nov 20, 2020	50.19	51.94	49.99	51.03
1934	NASDAQ	ALTR	Thu, Nov 19, 2020	49.30	50.98	49.28	50.73
1933	NASDAQ	ALTR	Wed, Nov 18, 2020	49.40	50.17	49.00	49.25
1932	NASDAQ	ALTR	Tue, Nov 17, 2020	49.05	49.81	48.28	49.45
1931	NASDAQ	ALTR	Mon, Nov 16, 2020	48.81	49.71	48.28	49.07
1930	NASDAQ	ALTR	Fri, Nov 13, 2020	49.50	50.49	48.52	49.01
1929	NASDAQ	ALTR	Thu, Nov 12, 2020	50.00	50.47	48.48	48.89
1928	NASDAQ	ALTR	Wed, Nov 11, 2020	48.77	50.67	48.62	49.83
1927	NASDAQ	ALTR	Tue, Nov 10, 2020	48.95	49.24	47.78	48.71
1926	NASDAQ	ALTR	Mon, Nov 9, 2020	50.50	51.04	48.71	48.89
1925	NASDAQ	ALTR	Fri, Nov 6, 2020	45.48	50.33	45.13	50.05
1924	NASDAQ	ALTR	Thu, Nov 5, 2020	47.00	48.49	46.61	47.58
1923	NASDAQ	ALTR	Wed, Nov 4, 2020	45.13	46.92	44.69	46.43
1922	NASDAQ	ALTR	Tue, Nov 3, 2020	44.61	45.15	44.00	44.72
1921	NASDAQ	ALTR	Mon, Nov 2, 2020	43.42	44.42	43.26	44.09
1920	NASDAQ	ALTR	Fri, Oct 30, 2020	44.81	45.37	42.48	43.03
1919	NASDAQ	ALTR	Thu, Oct 29, 2020	43.79	45.39	43.35	45.08
1918	NASDAQ	ALTR	Wed, Oct 28, 2020	44.88	45.37	43.44	43.68
1917	NASDAQ	ALTR	Tue, Oct 27, 2020	45.76	46.20	45.48	45.78
1916	NASDAQ	ALTR	Mon, Oct 26, 2020	47.06	47.09	45.30	45.54
1915	NASDAQ	ALTR	Fri, Oct 23, 2020	46.23	47.42	45.87	47.39
1914	NASDAQ	ALTR	Thu, Oct 22, 2020	45.30	46.06	44.80	45.93
1913	NASDAQ	ALTR	Wed, Oct 21, 2020	46.73	47.13	45.25	45.40
1912	NASDAQ	ALTR	Tue, Oct 20, 2020	46.50	46.79	45.94	46.49
1911	NASDAQ	ALTR	Mon, Oct 19, 2020	46.36	46.71	45.87	46.25
1910	NASDAQ	ALTR	Fri, Oct 16, 2020	45.83	46.53	45.74	46.28
1909	NASDAQ	ALTR	Thu, Oct 15, 2020	45.45	46.35	45.14	46.02
1908	NASDAQ	ALTR	Wed, Oct 14, 2020	47.43	47.43	45.57	46.26
1907	NASDAQ	ALTR	Tue, Oct 13, 2020	46.26	46.98	45.71	45.77
1906	NASDAQ	ALTR	Mon, Oct 12, 2020	45.15	46.28	44.97	46.20
1905	NASDAQ	ALTR	Fri, Oct 9, 2020	45.04	45.82	44.84	45.10
1904	NASDAQ	ALTR	Thu, Oct 8, 2020	46.03	46.22	44.54	44.68
1903	NASDAQ	ALTR	Wed, Oct 7, 2020	45.59	46.15	44.93	44.99
1902	NASDAQ	ALTR	Tue, Oct 6, 2020	45.00	45.99	44.48	45.39
1901	NASDAQ	ALTR	Mon, Oct 5, 2020	43.33	44.98	42.76	44.92
1900	NASDAQ	ALTR	Fri, Oct 2, 2020	42.20	43.53	41.95	43.00
1899	NASDAQ	ALTR	Thu, Oct 1, 2020	42.46	43.77	42.23	43.53
1898	NASDAQ	ALTR	Wed, Sep 30, 2020	41.58	42.53	41.32	41.98
1897	NASDAQ	ALTR	Tue, Sep 29, 2020	41.87	42.38	41.39	41.70
1896	NASDAQ	ALTR	Mon, Sep 28, 2020	42.00	42.62	41.79	41.88
1895	NASDAQ	ALTR	Fri, Sep 25, 2020	39.80	41.62	39.66	41.43
1894	NASDAQ	ALTR	Thu, Sep 24, 2020	39.93	40.61	39.37	39.88
1893	NASDAQ	ALTR	Wed, Sep 23, 2020	42.58	42.67	39.96	40.11
1892	NASDAQ	ALTR	Tue, Sep 22, 2020	42.23	42.77	41.29	42.67
1891	NASDAQ	ALTR	Mon, Sep 21, 2020	41.30	41.97	40.63	41.87
1890	NASDAQ	ALTR	Fri, Sep 18, 2020	41.55	42.15	40.75	41.93
1889	NASDAQ	ALTR	Thu, Sep 17, 2020	39.52	40.80	38.63	40.66
1888	NASDAQ	ALTR	Wed, Sep 16, 2020	39.99	41.82	39.72	40.38
1887	NASDAQ	ALTR	Tue, Sep 15, 2020	39.42	39.99	39.26	39.70
1886	NASDAQ	ALTR	Mon, Sep 14, 2020	37.80	39.28	37.80	39.06
1885	NASDAQ	ALTR	Fri, Sep 11, 2020	38.80	38.98	37.24	37.67
1884	NASDAQ	ALTR	Thu, Sep 10, 2020	40.57	41.49	38.66	38.71
1883	NASDAQ	ALTR	Wed, Sep 9, 2020	39.19	40.03	38.73	39.75
1882	NASDAQ	ALTR	Tue, Sep 8, 2020	38.74	39.70	38.57	38.91
1881	NASDAQ	ALTR	Fri, Sep 4, 2020	40.78	40.83	38.47	39.93
1880	NASDAQ	ALTR	Thu, Sep 3, 2020	42.95	42.95	39.86	40.49
1879	NASDAQ	ALTR	Wed, Sep 2, 2020	43.20	43.51	42.51	43.31
1878	NASDAQ	ALTR	Tue, Sep 1, 2020	41.94	43.35	41.33	43.00
1877	NASDAQ	ALTR	Mon, Aug 31, 2020	42.51	42.78	41.87	42.02
1876	NASDAQ	ALTR	Fri, Aug 28, 2020	42.61	42.90	42.37	42.60
1875	NASDAQ	ALTR	Thu, Aug 27, 2020	42.61	43.01	41.81	42.24
1874	NASDAQ	ALTR	Wed, Aug 26, 2020	42.33	43.16	42.33	42.63
1873	NASDAQ	ALTR	Tue, Aug 25, 2020	42.00	42.35	41.67	42.25
1872	NASDAQ	ALTR	Mon, Aug 24, 2020	41.48	41.87	40.98	41.81
1871	NASDAQ	ALTR	Fri, Aug 21, 2020	41.80	41.80	40.83	40.91
1870	NASDAQ	ALTR	Thu, Aug 20, 2020	41.07	42.06	40.99	41.75
1869	NASDAQ	ALTR	Wed, Aug 19, 2020	41.45	41.88	40.68	41.47
1868	NASDAQ	ALTR	Tue, Aug 18, 2020	40.45	41.81	40.26	41.35
1867	NASDAQ	ALTR	Mon, Aug 17, 2020	40.10	40.87	39.80	40.35
1866	NASDAQ	ALTR	Fri, Aug 14, 2020	40.89	41.09	39.90	39.96
1865	NASDAQ	ALTR	Thu, Aug 13, 2020	39.98	41.21	39.36	40.89
1864	NASDAQ	ALTR	Wed, Aug 12, 2020	39.19	40.25	38.96	40.15
1863	NASDAQ	ALTR	Tue, Aug 11, 2020	38.69	39.59	38.08	38.68
1862	NASDAQ	ALTR	Mon, Aug 10, 2020	40.94	40.94	38.50	38.80
1861	NASDAQ	ALTR	Fri, Aug 7, 2020	42.51	44.34	40.29	41.03
1860	NASDAQ	ALTR	Thu, Aug 6, 2020	41.93	42.04	40.16	41.14
1859	NASDAQ	ALTR	Wed, Aug 5, 2020	40.92	42.90	40.71	42.09
1858	NASDAQ	ALTR	Tue, Aug 4, 2020	40.30	40.79	39.93	40.67
1857	NASDAQ	ALTR	Mon, Aug 3, 2020	40.76	40.78	40.00	40.29
1856	NASDAQ	ALTR	Fri, Jul 31, 2020	40.36	40.40	39.22	40.30
1855	NASDAQ	ALTR	Thu, Jul 30, 2020	39.91	40.81	39.57	40.51
1854	NASDAQ	ALTR	Wed, Jul 29, 2020	39.56	40.79	39.38	40.46
1853	NASDAQ	ALTR	Tue, Jul 28, 2020	39.48	39.54	38.73	39.17
1852	NASDAQ	ALTR	Mon, Jul 27, 2020	38.44	39.78	38.44	39.71
1851	NASDAQ	ALTR	Fri, Jul 24, 2020	38.57	39.00	38.10	38.19
1850	NASDAQ	ALTR	Thu, Jul 23, 2020	38.91	40.48	38.73	38.95
1849	NASDAQ	ALTR	Wed, Jul 22, 2020	39.24	39.70	38.93	39.12
1848	NASDAQ	ALTR	Tue, Jul 21, 2020	39.75	39.99	39.00	39.20
1847	NASDAQ	ALTR	Mon, Jul 20, 2020	38.10	39.54	37.73	39.41
1846	NASDAQ	ALTR	Fri, Jul 17, 2020	37.27	38.44	36.96	38.05
1845	NASDAQ	ALTR	Thu, Jul 16, 2020	37.59	37.70	36.62	37.31
1844	NASDAQ	ALTR	Wed, Jul 15, 2020	37.87	38.69	37.62	37.95
1843	NASDAQ	ALTR	Tue, Jul 14, 2020	37.09	37.52	36.21	37.49
1842	NASDAQ	ALTR	Mon, Jul 13, 2020	38.86	39.16	36.97	37.02
1841	NASDAQ	ALTR	Fri, Jul 10, 2020	38.78	39.11	38.16	38.56
1840	NASDAQ	ALTR	Thu, Jul 9, 2020	39.00	39.37	37.96	38.69
1839	NASDAQ	ALTR	Wed, Jul 8, 2020	38.91	39.27	38.34	39.00
1838	NASDAQ	ALTR	Tue, Jul 7, 2020	39.09	39.98	38.74	38.80
1837	NASDAQ	ALTR	Mon, Jul 6, 2020	39.00	39.66	38.52	39.05
1836	NASDAQ	ALTR	Thu, Jul 2, 2020	41.00	41.00	39.04	39.40
1835	NASDAQ	ALTR	Wed, Jul 1, 2020	39.09	40.54	39.09	40.31
1834	NASDAQ	ALTR	Tue, Jun 30, 2020	38.83	39.96	38.23	39.75
1833	NASDAQ	ALTR	Mon, Jun 29, 2020	38.43	39.03	37.91	38.79
1832	NASDAQ	ALTR	Fri, Jun 26, 2020	39.75	39.75	38.04	38.14
1831	NASDAQ	ALTR	Thu, Jun 25, 2020	38.98	39.89	38.57	39.83
1830	NASDAQ	ALTR	Wed, Jun 24, 2020	39.25	39.68	38.04	39.14
1829	NASDAQ	ALTR	Tue, Jun 23, 2020	39.61	39.97	39.38	39.57
1828	NASDAQ	ALTR	Mon, Jun 22, 2020	37.99	39.28	37.95	39.15
1827	NASDAQ	ALTR	Fri, Jun 19, 2020	39.45	39.93	37.73	37.84
1826	NASDAQ	ALTR	Thu, Jun 18, 2020	38.49	39.42	38.49	39.06
1825	NASDAQ	ALTR	Wed, Jun 17, 2020	38.61	39.05	38.39	38.56
1824	NASDAQ	ALTR	Tue, Jun 16, 2020	38.54	38.71	37.00	38.20
1823	NASDAQ	ALTR	Mon, Jun 15, 2020	36.54	37.95	35.86	37.68
1822	NASDAQ	ALTR	Fri, Jun 12, 2020	36.26	37.74	36.26	37.02
1821	NASDAQ	ALTR	Thu, Jun 11, 2020	38.76	38.76	35.79	36.24
1820	NASDAQ	ALTR	Wed, Jun 10, 2020	39.21	39.64	38.99	39.42
1819	NASDAQ	ALTR	Tue, Jun 9, 2020	38.51	39.60	38.51	39.14
1818	NASDAQ	ALTR	Mon, Jun 8, 2020	40.00	40.33	38.89	38.93
1817	NASDAQ	ALTR	Fri, Jun 5, 2020	39.56	40.61	39.05	40.21
1816	NASDAQ	ALTR	Thu, Jun 4, 2020	39.44	39.97	38.85	39.25
1815	NASDAQ	ALTR	Wed, Jun 3, 2020	39.89	41.23	39.37	39.89
1814	NASDAQ	ALTR	Tue, Jun 2, 2020	39.00	39.89	38.34	39.82
1813	NASDAQ	ALTR	Mon, Jun 1, 2020	39.27	39.51	38.94	38.94
1812	NASDAQ	ALTR	Fri, May 29, 2020	37.47	39.20	37.47	39.09
1811	NASDAQ	ALTR	Thu, May 28, 2020	38.05	38.51	37.56	37.60
1810	NASDAQ	ALTR	Wed, May 27, 2020	38.10	38.21	36.50	37.69
1809	NASDAQ	ALTR	Tue, May 26, 2020	37.10	38.10	36.63	37.69
1808	NASDAQ	ALTR	Fri, May 22, 2020	36.10	36.54	35.77	36.29
1807	NASDAQ	ALTR	Thu, May 21, 2020	35.97	36.47	35.70	35.90
1806	NASDAQ	ALTR	Wed, May 20, 2020	35.00	36.02	34.52	35.85
1805	NASDAQ	ALTR	Tue, May 19, 2020	34.48	35.52	34.48	34.55
1804	NASDAQ	ALTR	Mon, May 18, 2020	33.37	34.86	32.64	34.54
1803	NASDAQ	ALTR	Fri, May 15, 2020	31.71	32.32	30.92	32.25
1802	NASDAQ	ALTR	Thu, May 14, 2020	31.71	32.44	30.88	31.89
1801	NASDAQ	ALTR	Wed, May 13, 2020	33.11	33.34	31.13	32.16
1800	NASDAQ	ALTR	Tue, May 12, 2020	33.35	34.36	32.98	33.26
1799	NASDAQ	ALTR	Mon, May 11, 2020	33.52	34.00	32.94	33.15
1798	NASDAQ	ALTR	Fri, May 8, 2020	33.43	35.03	32.13	34.34
1797	NASDAQ	ALTR	Thu, May 7, 2020	33.44	33.48	32.34	32.65
1796	NASDAQ	ALTR	Wed, May 6, 2020	31.75	32.79	31.36	32.62
1795	NASDAQ	ALTR	Tue, May 5, 2020	32.37	32.92	31.76	31.94
1794	NASDAQ	ALTR	Mon, May 4, 2020	31.05	31.63	30.44	31.53
1793	NASDAQ	ALTR	Fri, May 1, 2020	32.08	32.41	30.28	31.09
1792	NASDAQ	ALTR	Thu, Apr 30, 2020	32.73	33.17	32.05	32.99
1791	NASDAQ	ALTR	Wed, Apr 29, 2020	31.89	33.33	31.36	33.00
1790	NASDAQ	ALTR	Tue, Apr 28, 2020	31.74	31.80	30.41	30.69
1789	NASDAQ	ALTR	Mon, Apr 27, 2020	30.68	31.40	30.49	31.07
1788	NASDAQ	ALTR	Fri, Apr 24, 2020	30.26	30.37	29.80	30.15
1787	NASDAQ	ALTR	Thu, Apr 23, 2020	30.19	31.00	30.02	30.06
1786	NASDAQ	ALTR	Wed, Apr 22, 2020	30.49	30.52	29.70	30.07
1785	NASDAQ	ALTR	Tue, Apr 21, 2020	30.26	30.30	28.78	29.77
1784	NASDAQ	ALTR	Mon, Apr 20, 2020	30.05	31.03	29.87	30.83
1783	NASDAQ	ALTR	Fri, Apr 17, 2020	29.24	30.73	29.09	30.51
1782	NASDAQ	ALTR	Thu, Apr 16, 2020	28.42	29.31	28.17	29.02
1781	NASDAQ	ALTR	Wed, Apr 15, 2020	28.00	28.52	27.62	28.31
1780	NASDAQ	ALTR	Tue, Apr 14, 2020	28.72	29.38	28.20	28.81
1779	NASDAQ	ALTR	Mon, Apr 13, 2020	28.08	28.31	27.57	28.17
1778	NASDAQ	ALTR	Thu, Apr 9, 2020	27.32	28.41	26.95	28.34
1777	NASDAQ	ALTR	Wed, Apr 8, 2020	25.97	27.44	25.45	27.01
1776	NASDAQ	ALTR	Tue, Apr 7, 2020	26.08	26.70	25.61	25.70
1775	NASDAQ	ALTR	Mon, Apr 6, 2020	24.64	25.65	24.38	25.31
1774	NASDAQ	ALTR	Fri, Apr 3, 2020	23.44	24.15	23.22	23.49
1773	NASDAQ	ALTR	Thu, Apr 2, 2020	23.57	24.58	23.04	23.44
1772	NASDAQ	ALTR	Wed, Apr 1, 2020	25.93	26.93	23.14	23.57
1771	NASDAQ	ALTR	Tue, Mar 31, 2020	24.73	27.22	24.68	26.50
1770	NASDAQ	ALTR	Mon, Mar 30, 2020	25.15	25.41	24.64	24.87
1769	NASDAQ	ALTR	Fri, Mar 27, 2020	25.17	26.13	24.40	24.96
1768	NASDAQ	ALTR	Thu, Mar 26, 2020	24.81	26.45	24.31	25.63
1767	NASDAQ	ALTR	Wed, Mar 25, 2020	25.10	26.34	24.26	24.49
1766	NASDAQ	ALTR	Tue, Mar 24, 2020	26.60	27.31	24.70	25.20
1765	NASDAQ	ALTR	Mon, Mar 23, 2020	26.22	27.10	24.76	25.16
1764	NASDAQ	ALTR	Fri, Mar 20, 2020	28.17	28.37	25.43	25.72
1763	NASDAQ	ALTR	Thu, Mar 19, 2020	29.14	32.44	27.73	27.94
1762	NASDAQ	ALTR	Wed, Mar 18, 2020	27.93	30.75	27.53	29.27
1761	NASDAQ	ALTR	Tue, Mar 17, 2020	24.60	29.80	23.81	29.67
1760	NASDAQ	ALTR	Mon, Mar 16, 2020	27.80	27.80	24.91	25.11
1759	NASDAQ	ALTR	Fri, Mar 13, 2020	27.75	29.27	25.36	29.22
1758	NASDAQ	ALTR	Thu, Mar 12, 2020	27.29	28.51	26.29	26.30
1757	NASDAQ	ALTR	Wed, Mar 11, 2020	29.39	30.20	28.71	29.21
1756	NASDAQ	ALTR	Tue, Mar 10, 2020	29.10	30.16	28.06	30.15
1755	NASDAQ	ALTR	Mon, Mar 9, 2020	28.83	29.87	27.98	28.21
1754	NASDAQ	ALTR	Fri, Mar 6, 2020	30.32	31.49	30.32	31.01
1753	NASDAQ	ALTR	Thu, Mar 5, 2020	32.66	33.50	30.95	31.30
1752	NASDAQ	ALTR	Wed, Mar 4, 2020	34.99	35.23	33.19	33.30
1751	NASDAQ	ALTR	Tue, Mar 3, 2020	35.04	35.63	33.56	34.32
1750	NASDAQ	ALTR	Mon, Mar 2, 2020	35.01	35.17	33.31	35.14
1749	NASDAQ	ALTR	Fri, Feb 28, 2020	34.87	36.49	33.00	34.80
1748	NASDAQ	ALTR	Thu, Feb 27, 2020	33.91	34.18	32.86	33.21
1747	NASDAQ	ALTR	Wed, Feb 26, 2020	34.48	35.61	34.30	34.80
1746	NASDAQ	ALTR	Tue, Feb 25, 2020	36.00	36.12	34.09	34.34
1745	NASDAQ	ALTR	Mon, Feb 24, 2020	34.95	36.08	34.81	35.87
1744	NASDAQ	ALTR	Fri, Feb 21, 2020	37.78	37.78	36.00	36.32
1743	NASDAQ	ALTR	Thu, Feb 20, 2020	38.32	38.66	37.76	37.79
1742	NASDAQ	ALTR	Wed, Feb 19, 2020	38.10	38.41	37.74	38.30
1741	NASDAQ	ALTR	Tue, Feb 18, 2020	38.29	38.58	37.99	38.06
1740	NASDAQ	ALTR	Fri, Feb 14, 2020	38.97	39.11	37.88	38.18
1739	NASDAQ	ALTR	Thu, Feb 13, 2020	37.93	39.24	37.85	38.87
1738	NASDAQ	ALTR	Wed, Feb 12, 2020	37.87	38.31	37.47	38.08
1737	NASDAQ	ALTR	Tue, Feb 11, 2020	38.62	38.86	37.61	37.63
1736	NASDAQ	ALTR	Mon, Feb 10, 2020	38.97	39.00	38.23	38.31
1735	NASDAQ	ALTR	Fri, Feb 7, 2020	39.18	39.47	38.85	38.97
1734	NASDAQ	ALTR	Thu, Feb 6, 2020	39.24	39.44	38.65	39.35
1733	NASDAQ	ALTR	Wed, Feb 5, 2020	39.39	39.39	38.72	38.75
1732	NASDAQ	ALTR	Tue, Feb 4, 2020	39.00	39.16	38.42	38.85
1731	NASDAQ	ALTR	Mon, Feb 3, 2020	37.37	38.57	37.02	38.49
1730	NASDAQ	ALTR	Fri, Jan 31, 2020	38.04	38.24	36.84	36.95
1729	NASDAQ	ALTR	Thu, Jan 30, 2020	37.00	38.06	36.79	38.04
1728	NASDAQ	ALTR	Wed, Jan 29, 2020	38.03	38.09	37.17	37.26
1727	NASDAQ	ALTR	Tue, Jan 28, 2020	37.10	38.45	36.91	37.67
1726	NASDAQ	ALTR	Mon, Jan 27, 2020	35.55	36.89	35.46	36.72
1725	NASDAQ	ALTR	Fri, Jan 24, 2020	36.25	36.74	35.93	36.38
1724	NASDAQ	ALTR	Thu, Jan 23, 2020	37.91	39.18	35.91	36.10
1723	NASDAQ	ALTR	Wed, Jan 22, 2020	39.51	39.67	39.23	39.35
1722	NASDAQ	ALTR	Tue, Jan 21, 2020	39.16	39.64	38.96	39.31
1721	NASDAQ	ALTR	Fri, Jan 17, 2020	39.52	39.65	38.92	39.10
1720	NASDAQ	ALTR	Thu, Jan 16, 2020	39.53	39.66	39.05	39.19
1719	NASDAQ	ALTR	Wed, Jan 15, 2020	38.98	39.74	38.98	39.41
1718	NASDAQ	ALTR	Tue, Jan 14, 2020	38.46	39.09	37.97	38.94
1717	NASDAQ	ALTR	Mon, Jan 13, 2020	37.86	38.53	37.66	38.53
1716	NASDAQ	ALTR	Fri, Jan 10, 2020	37.78	37.85	37.21	37.59
1715	NASDAQ	ALTR	Thu, Jan 9, 2020	38.00	38.00	37.38	37.66
1714	NASDAQ	ALTR	Wed, Jan 8, 2020	37.16	37.80	37.04	37.62
1713	NASDAQ	ALTR	Tue, Jan 7, 2020	37.19	37.34	36.87	37.06
1712	NASDAQ	ALTR	Mon, Jan 6, 2020	36.48	37.26	36.48	37.17
1711	NASDAQ	ALTR	Fri, Jan 3, 2020	36.13	36.86	36.13	36.81
1710	NASDAQ	ALTR	Thu, Jan 2, 2020	36.18	37.07	35.97	36.86
1709	NASDAQ	ALTR	Tue, Dec 31, 2019	36.17	36.46	35.71	35.91
1708	NASDAQ	ALTR	Mon, Dec 30, 2019	36.45	36.50	35.68	36.13
1707	NASDAQ	ALTR	Fri, Dec 27, 2019	36.99	37.33	36.17	36.64
1706	NASDAQ	ALTR	Thu, Dec 26, 2019	36.47	36.93	36.34	36.89
1705	NASDAQ	ALTR	Tue, Dec 24, 2019	36.31	36.41	36.09	36.28
1704	NASDAQ	ALTR	Mon, Dec 23, 2019	36.26	36.71	36.12	36.48
1703	NASDAQ	ALTR	Fri, Dec 20, 2019	35.09	36.54	35.04	36.36
1702	NASDAQ	ALTR	Thu, Dec 19, 2019	34.99	35.23	34.32	34.95
1701	NASDAQ	ALTR	Wed, Dec 18, 2019	34.33	35.18	34.02	34.82
1700	NASDAQ	ALTR	Tue, Dec 17, 2019	34.31	34.46	33.96	34.41
1699	NASDAQ	ALTR	Mon, Dec 16, 2019	34.06	34.69	34.06	34.31
1698	NASDAQ	ALTR	Fri, Dec 13, 2019	33.03	34.00	32.92	33.99
1697	NASDAQ	ALTR	Thu, Dec 12, 2019	32.28	33.07	32.15	32.99
1696	NASDAQ	ALTR	Wed, Dec 11, 2019	31.37	32.52	31.16	32.48
1695	NASDAQ	ALTR	Tue, Dec 10, 2019	31.59	31.62	31.24	31.36
1694	NASDAQ	ALTR	Mon, Dec 9, 2019	31.86	32.03	31.51	31.52
1693	NASDAQ	ALTR	Fri, Dec 6, 2019	32.50	32.62	31.71	32.00
1692	NASDAQ	ALTR	Thu, Dec 5, 2019	32.30	32.87	32.13	32.23
1691	NASDAQ	ALTR	Wed, Dec 4, 2019	32.48	32.48	32.04	32.39
1690	NASDAQ	ALTR	Tue, Dec 3, 2019	32.23	32.45	31.94	32.24
1689	NASDAQ	ALTR	Mon, Dec 2, 2019	33.33	33.33	31.08	32.71
1688	NASDAQ	ALTR	Fri, Nov 29, 2019	33.32	33.91	33.01	33.17
1687	NASDAQ	ALTR	Wed, Nov 27, 2019	33.28	33.75	33.14	33.72
1686	NASDAQ	ALTR	Tue, Nov 26, 2019	32.01	33.23	31.79	33.13
1685	NASDAQ	ALTR	Mon, Nov 25, 2019	32.26	32.47	31.85	32.01
1684	NASDAQ	ALTR	Fri, Nov 22, 2019	32.15	32.20	31.48	32.19
1683	NASDAQ	ALTR	Thu, Nov 21, 2019	30.31	32.04	29.94	32.02
1682	NASDAQ	ALTR	Wed, Nov 20, 2019	29.90	30.45	29.67	30.15
1681	NASDAQ	ALTR	Tue, Nov 19, 2019	29.48	30.27	29.42	30.08
1680	NASDAQ	ALTR	Mon, Nov 18, 2019	28.76	29.76	28.61	29.39
1679	NASDAQ	ALTR	Fri, Nov 15, 2019	28.63	28.99	28.21	28.88
1678	NASDAQ	ALTR	Thu, Nov 14, 2019	28.25	28.54	27.91	28.38
1677	NASDAQ	ALTR	Wed, Nov 13, 2019	28.51	28.97	28.00	28.32
1676	NASDAQ	ALTR	Tue, Nov 12, 2019	28.61	29.67	28.49	28.58
1675	NASDAQ	ALTR	Mon, Nov 11, 2019	29.65	29.93	28.80	28.87
1674	NASDAQ	ALTR	Fri, Nov 8, 2019	32.61	33.40	29.00	30.00
1673	NASDAQ	ALTR	Thu, Nov 7, 2019	38.01	38.34	37.36	37.47
1672	NASDAQ	ALTR	Wed, Nov 6, 2019	37.88	38.18	37.57	37.73
1671	NASDAQ	ALTR	Tue, Nov 5, 2019	37.29	38.05	37.01	38.04
1670	NASDAQ	ALTR	Mon, Nov 4, 2019	37.76	37.96	36.92	36.95
1669	NASDAQ	ALTR	Fri, Nov 1, 2019	37.12	37.48	36.66	37.42
1668	NASDAQ	ALTR	Thu, Oct 31, 2019	36.69	36.90	36.27	36.87
1667	NASDAQ	ALTR	Wed, Oct 30, 2019	36.24	36.67	35.88	36.59
1666	NASDAQ	ALTR	Tue, Oct 29, 2019	36.13	36.36	35.92	36.07
1665	NASDAQ	ALTR	Mon, Oct 28, 2019	35.75	36.19	35.53	36.12
1664	NASDAQ	ALTR	Fri, Oct 25, 2019	35.22	35.75	34.82	35.71
1663	NASDAQ	ALTR	Thu, Oct 24, 2019	34.65	35.50	34.52	35.16
1662	NASDAQ	ALTR	Wed, Oct 23, 2019	33.91	34.56	33.75	34.30
1661	NASDAQ	ALTR	Tue, Oct 22, 2019	34.78	35.02	33.97	34.10
1660	NASDAQ	ALTR	Mon, Oct 21, 2019	34.31	34.72	33.96	34.55
1659	NASDAQ	ALTR	Fri, Oct 18, 2019	35.06	35.06	33.68	33.82
1658	NASDAQ	ALTR	Thu, Oct 17, 2019	34.74	35.30	34.65	35.26
1657	NASDAQ	ALTR	Wed, Oct 16, 2019	35.06	35.06	34.25	34.69
1656	NASDAQ	ALTR	Tue, Oct 15, 2019	34.77	34.94	34.51	34.85
1655	NASDAQ	ALTR	Mon, Oct 14, 2019	34.58	34.95	34.13	34.58
1654	NASDAQ	ALTR	Fri, Oct 11, 2019	34.79	35.41	34.36	34.56
1653	NASDAQ	ALTR	Thu, Oct 10, 2019	34.24	34.58	33.60	34.24
1652	NASDAQ	ALTR	Wed, Oct 9, 2019	34.03	34.20	33.58	33.88
1651	NASDAQ	ALTR	Tue, Oct 8, 2019	33.69	34.01	33.15	33.51
1650	NASDAQ	ALTR	Mon, Oct 7, 2019	33.93	34.57	33.51	33.88
1649	NASDAQ	ALTR	Fri, Oct 4, 2019	33.25	34.07	32.90	33.93
1648	NASDAQ	ALTR	Thu, Oct 3, 2019	33.01	33.14	32.15	33.00
1647	NASDAQ	ALTR	Wed, Oct 2, 2019	33.16	33.25	32.53	33.05
1646	NASDAQ	ALTR	Tue, Oct 1, 2019	34.85	34.99	33.46	33.50
1645	NASDAQ	ALTR	Mon, Sep 30, 2019	34.49	34.86	34.15	34.62
1644	NASDAQ	ALTR	Fri, Sep 27, 2019	35.53	35.53	34.06	34.39
1643	NASDAQ	ALTR	Thu, Sep 26, 2019	35.40	35.69	34.84	35.34
1642	NASDAQ	ALTR	Wed, Sep 25, 2019	34.01	35.29	33.47	35.21
1641	NASDAQ	ALTR	Tue, Sep 24, 2019	34.86	35.08	33.36	33.85
1640	NASDAQ	ALTR	Mon, Sep 23, 2019	34.13	34.62	33.72	34.50
1639	NASDAQ	ALTR	Fri, Sep 20, 2019	34.65	34.71	33.46	34.07
1638	NASDAQ	ALTR	Thu, Sep 19, 2019	34.43	35.10	34.11	34.54
1637	NASDAQ	ALTR	Wed, Sep 18, 2019	34.97	35.10	33.71	34.12
1636	NASDAQ	ALTR	Tue, Sep 17, 2019	34.34	35.13	34.00	34.98
1635	NASDAQ	ALTR	Mon, Sep 16, 2019	33.79	34.74	33.50	34.21
1634	NASDAQ	ALTR	Fri, Sep 13, 2019	33.82	35.36	33.52	33.77
1633	NASDAQ	ALTR	Thu, Sep 12, 2019	33.16	34.41	33.08	33.58
1632	NASDAQ	ALTR	Wed, Sep 11, 2019	30.89	32.96	30.59	32.93
1631	NASDAQ	ALTR	Tue, Sep 10, 2019	32.23	32.98	31.65	32.42
1630	NASDAQ	ALTR	Mon, Sep 9, 2019	33.43	33.52	31.91	32.46
1629	NASDAQ	ALTR	Fri, Sep 6, 2019	33.91	34.58	33.12	33.18
1628	NASDAQ	ALTR	Thu, Sep 5, 2019	34.41	34.41	32.92	33.82
1627	NASDAQ	ALTR	Wed, Sep 4, 2019	33.72	34.09	33.46	33.75
1626	NASDAQ	ALTR	Tue, Sep 3, 2019	34.16	34.41	32.99	33.29
1625	NASDAQ	ALTR	Fri, Aug 30, 2019	34.10	34.59	33.92	34.36
1624	NASDAQ	ALTR	Thu, Aug 29, 2019	32.89	33.73	32.28	33.63
1623	NASDAQ	ALTR	Wed, Aug 28, 2019	32.42	32.79	31.75	32.38
1622	NASDAQ	ALTR	Tue, Aug 27, 2019	32.83	33.04	32.22	32.64
1621	NASDAQ	ALTR	Mon, Aug 26, 2019	32.63	32.76	32.15	32.62
1620	NASDAQ	ALTR	Fri, Aug 23, 2019	32.88	33.10	32.17	32.30
1619	NASDAQ	ALTR	Thu, Aug 22, 2019	33.67	33.70	32.77	32.97
1618	NASDAQ	ALTR	Wed, Aug 21, 2019	34.15	34.15	33.37	33.51
1617	NASDAQ	ALTR	Tue, Aug 20, 2019	34.55	34.55	33.58	33.64
1616	NASDAQ	ALTR	Mon, Aug 19, 2019	35.18	35.25	34.30	34.46
1615	NASDAQ	ALTR	Fri, Aug 16, 2019	34.23	34.92	34.00	34.89
1614	NASDAQ	ALTR	Thu, Aug 15, 2019	33.95	34.27	33.42	34.00
1613	NASDAQ	ALTR	Wed, Aug 14, 2019	34.01	34.40	33.83	34.10
1612	NASDAQ	ALTR	Tue, Aug 13, 2019	33.65	34.96	33.65	34.81
1611	NASDAQ	ALTR	Mon, Aug 12, 2019	35.05	35.40	33.51	34.01
1610	NASDAQ	ALTR	Fri, Aug 9, 2019	39.71	39.71	34.40	35.06
1609	NASDAQ	ALTR	Thu, Aug 8, 2019	41.43	42.11	41.07	41.99
1608	NASDAQ	ALTR	Wed, Aug 7, 2019	39.96	41.37	39.29	40.95
1607	NASDAQ	ALTR	Tue, Aug 6, 2019	39.95	40.91	39.87	40.39
1606	NASDAQ	ALTR	Mon, Aug 5, 2019	39.51	39.98	39.15	39.69
1605	NASDAQ	ALTR	Fri, Aug 2, 2019	41.02	41.02	39.94	40.64
1604	NASDAQ	ALTR	Thu, Aug 1, 2019	41.78	42.50	41.18	41.34
1603	NASDAQ	ALTR	Wed, Jul 31, 2019	42.84	42.91	41.43	41.61
1602	NASDAQ	ALTR	Tue, Jul 30, 2019	42.30	42.80	42.14	42.62
1601	NASDAQ	ALTR	Mon, Jul 29, 2019	43.00	43.02	41.78	42.73
1600	NASDAQ	ALTR	Fri, Jul 26, 2019	42.78	43.28	42.70	42.87
1599	NASDAQ	ALTR	Thu, Jul 25, 2019	42.31	42.90	41.72	42.53
1598	NASDAQ	ALTR	Wed, Jul 24, 2019	42.00	42.78	41.85	42.60
1597	NASDAQ	ALTR	Tue, Jul 23, 2019	42.54	42.54	41.25	42.19
1596	NASDAQ	ALTR	Mon, Jul 22, 2019	41.67	42.80	41.50	42.38
1595	NASDAQ	ALTR	Fri, Jul 19, 2019	42.08	42.58	41.35	41.40
1594	NASDAQ	ALTR	Thu, Jul 18, 2019	41.55	42.12	41.19	42.08
1593	NASDAQ	ALTR	Wed, Jul 17, 2019	41.88	42.05	41.52	41.59
1592	NASDAQ	ALTR	Tue, Jul 16, 2019	41.75	42.04	41.23	41.86
1591	NASDAQ	ALTR	Mon, Jul 15, 2019	41.14	41.82	40.75	41.61
1590	NASDAQ	ALTR	Fri, Jul 12, 2019	42.17	42.17	41.02	41.18
1589	NASDAQ	ALTR	Thu, Jul 11, 2019	41.96	42.69	41.88	42.00
1588	NASDAQ	ALTR	Wed, Jul 10, 2019	42.45	42.92	41.90	42.00
1587	NASDAQ	ALTR	Tue, Jul 9, 2019	41.26	42.50	41.26	42.31
1586	NASDAQ	ALTR	Mon, Jul 8, 2019	41.47	41.80	41.17	41.59
1585	NASDAQ	ALTR	Fri, Jul 5, 2019	41.17	41.74	40.97	41.57
1584	NASDAQ	ALTR	Wed, Jul 3, 2019	40.72	42.00	40.61	41.62
1583	NASDAQ	ALTR	Tue, Jul 2, 2019	41.00	41.14	40.06	40.44
1582	NASDAQ	ALTR	Mon, Jul 1, 2019	40.92	41.39	40.37	40.93
1581	NASDAQ	ALTR	Fri, Jun 28, 2019	40.20	40.96	39.63	40.39
1580	NASDAQ	ALTR	Thu, Jun 27, 2019	39.71	40.67	39.58	40.20
1579	NASDAQ	ALTR	Wed, Jun 26, 2019	38.96	39.94	38.56	39.44
1578	NASDAQ	ALTR	Tue, Jun 25, 2019	39.13	39.16	38.52	38.78
1577	NASDAQ	ALTR	Mon, Jun 24, 2019	40.05	40.05	38.80	38.96
1576	NASDAQ	ALTR	Fri, Jun 21, 2019	39.93	40.25	38.58	40.10
1575	NASDAQ	ALTR	Thu, Jun 20, 2019	39.38	40.00	39.19	39.94
1574	NASDAQ	ALTR	Wed, Jun 19, 2019	37.89	39.27	37.65	39.25
1573	NASDAQ	ALTR	Tue, Jun 18, 2019	37.70	38.61	37.50	37.80
1572	NASDAQ	ALTR	Mon, Jun 17, 2019	37.19	37.95	37.06	37.52
1571	NASDAQ	ALTR	Fri, Jun 14, 2019	35.49	37.05	35.49	36.97
1570	NASDAQ	ALTR	Thu, Jun 13, 2019	35.67	35.87	35.34	35.75
1569	NASDAQ	ALTR	Wed, Jun 12, 2019	35.58	36.07	35.22	35.50
1568	NASDAQ	ALTR	Tue, Jun 11, 2019	35.09	35.64	34.89	35.54
1567	NASDAQ	ALTR	Mon, Jun 10, 2019	35.43	35.79	33.94	35.08
1566	NASDAQ	ALTR	Fri, Jun 7, 2019	35.00	35.39	34.33	35.30
1565	NASDAQ	ALTR	Thu, Jun 6, 2019	35.72	35.76	34.74	34.80
1564	NASDAQ	ALTR	Wed, Jun 5, 2019	35.77	37.27	33.70	35.77
1563	NASDAQ	ALTR	Tue, Jun 4, 2019	37.49	38.16	36.82	38.14
1562	NASDAQ	ALTR	Mon, Jun 3, 2019	37.87	38.06	36.39	36.82
1561	NASDAQ	ALTR	Fri, May 31, 2019	37.70	38.95	37.70	38.11
1560	NASDAQ	ALTR	Thu, May 30, 2019	38.07	38.47	37.88	38.40
1559	NASDAQ	ALTR	Wed, May 29, 2019	37.68	38.31	37.37	37.78
1558	NASDAQ	ALTR	Tue, May 28, 2019	37.19	38.30	37.19	38.06
1557	NASDAQ	ALTR	Fri, May 24, 2019	37.02	38.09	37.02	37.32
1556	NASDAQ	ALTR	Thu, May 23, 2019	36.86	37.35	36.28	37.01
1555	NASDAQ	ALTR	Wed, May 22, 2019	36.65	37.73	36.45	37.30
1554	NASDAQ	ALTR	Tue, May 21, 2019	35.87	36.94	35.81	36.76
1553	NASDAQ	ALTR	Mon, May 20, 2019	35.57	35.91	35.06	35.55
1552	NASDAQ	ALTR	Fri, May 17, 2019	36.03	36.87	35.89	36.00
1551	NASDAQ	ALTR	Thu, May 16, 2019	35.88	36.95	35.55	36.41
1550	NASDAQ	ALTR	Wed, May 15, 2019	34.10	35.99	34.10	35.95
1549	NASDAQ	ALTR	Tue, May 14, 2019	34.06	34.69	33.72	34.36
1548	NASDAQ	ALTR	Mon, May 13, 2019	35.12	35.20	33.64	34.05
1547	NASDAQ	ALTR	Fri, May 10, 2019	36.33	37.26	35.18	35.99
1546	NASDAQ	ALTR	Thu, May 9, 2019	36.89	37.52	36.23	37.17
1545	NASDAQ	ALTR	Wed, May 8, 2019	36.90	37.71	36.90	37.53
1544	NASDAQ	ALTR	Tue, May 7, 2019	37.07	37.72	36.62	37.11
1543	NASDAQ	ALTR	Mon, May 6, 2019	36.27	37.64	36.12	37.59
1542	NASDAQ	ALTR	Fri, May 3, 2019	36.97	37.53	36.63	37.29
1541	NASDAQ	ALTR	Thu, May 2, 2019	37.41	37.52	36.45	36.93
1540	NASDAQ	ALTR	Wed, May 1, 2019	39.45	39.45	37.69	37.71
1539	NASDAQ	ALTR	Tue, Apr 30, 2019	38.91	39.54	38.48	39.44
1538	NASDAQ	ALTR	Mon, Apr 29, 2019	38.41	39.29	38.23	38.99
1537	NASDAQ	ALTR	Fri, Apr 26, 2019	37.95	38.74	37.95	38.42
1536	NASDAQ	ALTR	Thu, Apr 25, 2019	39.02	39.20	37.93	38.15
1535	NASDAQ	ALTR	Wed, Apr 24, 2019	38.73	39.44	38.69	38.99
1534	NASDAQ	ALTR	Tue, Apr 23, 2019	38.23	39.15	38.23	38.81
1533	NASDAQ	ALTR	Mon, Apr 22, 2019	36.67	38.10	36.67	38.03
1532	NASDAQ	ALTR	Thu, Apr 18, 2019	36.47	37.25	36.47	36.79
1531	NASDAQ	ALTR	Wed, Apr 17, 2019	37.14	37.27	36.15	36.71
1530	NASDAQ	ALTR	Tue, Apr 16, 2019	36.43	37.32	36.04	36.97
1529	NASDAQ	ALTR	Mon, Apr 15, 2019	36.49	36.60	35.98	36.36
1528	NASDAQ	ALTR	Fri, Apr 12, 2019	36.70	36.70	36.29	36.51
1527	NASDAQ	ALTR	Thu, Apr 11, 2019	36.78	36.92	36.52	36.60
1526	NASDAQ	ALTR	Wed, Apr 10, 2019	36.48	37.25	36.44	36.77
1525	NASDAQ	ALTR	Tue, Apr 9, 2019	36.77	37.09	36.56	36.58
1524	NASDAQ	ALTR	Mon, Apr 8, 2019	37.24	37.87	36.11	37.07
1523	NASDAQ	ALTR	Fri, Apr 5, 2019	37.84	38.34	37.46	37.56
1522	NASDAQ	ALTR	Thu, Apr 4, 2019	38.81	38.81	37.45	37.80
1521	NASDAQ	ALTR	Wed, Apr 3, 2019	39.73	39.95	38.72	38.88
1520	NASDAQ	ALTR	Tue, Apr 2, 2019	38.02	39.51	37.68	39.47
1519	NASDAQ	ALTR	Mon, Apr 1, 2019	37.48	38.10	36.58	38.03
1518	NASDAQ	ALTR	Fri, Mar 29, 2019	37.58	37.58	36.76	36.81
1517	NASDAQ	ALTR	Thu, Mar 28, 2019	37.22	37.51	36.81	37.46
1516	NASDAQ	ALTR	Wed, Mar 27, 2019	37.33	37.56	36.34	37.21
1515	NASDAQ	ALTR	Tue, Mar 26, 2019	37.00	37.67	36.75	37.35
1514	NASDAQ	ALTR	Mon, Mar 25, 2019	36.07	36.59	34.81	36.56
1513	NASDAQ	ALTR	Fri, Mar 22, 2019	37.92	37.92	36.11	36.19
1512	NASDAQ	ALTR	Thu, Mar 21, 2019	37.13	38.29	37.02	38.11
1511	NASDAQ	ALTR	Wed, Mar 20, 2019	37.45	37.91	36.82	37.37
1510	NASDAQ	ALTR	Tue, Mar 19, 2019	38.51	38.84	37.63	37.70
1509	NASDAQ	ALTR	Mon, Mar 18, 2019	39.03	39.49	38.01	38.26
1508	NASDAQ	ALTR	Fri, Mar 15, 2019	38.23	39.57	38.10	39.02
1507	NASDAQ	ALTR	Thu, Mar 14, 2019	38.74	38.74	38.24	38.27
1506	NASDAQ	ALTR	Wed, Mar 13, 2019	38.75	39.20	38.43	38.56
1505	NASDAQ	ALTR	Tue, Mar 12, 2019	37.81	38.63	37.20	38.53
1504	NASDAQ	ALTR	Mon, Mar 11, 2019	36.33	37.99	36.33	37.80
1503	NASDAQ	ALTR	Fri, Mar 8, 2019	35.64	36.21	35.63	36.00
1502	NASDAQ	ALTR	Thu, Mar 7, 2019	35.41	36.26	35.41	36.10
1501	NASDAQ	ALTR	Wed, Mar 6, 2019	35.42	35.76	35.18	35.50
1500	NASDAQ	ALTR	Tue, Mar 5, 2019	35.78	35.99	35.26	35.61
1499	NASDAQ	ALTR	Mon, Mar 4, 2019	36.83	37.12	35.73	36.13
1498	NASDAQ	ALTR	Fri, Mar 1, 2019	35.43	37.44	35.43	36.48
1497	NASDAQ	ALTR	Thu, Feb 28, 2019	34.74	36.15	34.05	35.46
1496	NASDAQ	ALTR	Wed, Feb 27, 2019	35.02	35.25	34.15	34.69
1495	NASDAQ	ALTR	Tue, Feb 26, 2019	32.80	35.25	32.80	35.25
1494	NASDAQ	ALTR	Mon, Feb 25, 2019	33.36	34.06	32.76	32.79
1493	NASDAQ	ALTR	Fri, Feb 22, 2019	33.02	33.92	32.67	33.08
1492	NASDAQ	ALTR	Thu, Feb 21, 2019	34.12	34.12	33.32	33.55
1491	NASDAQ	ALTR	Wed, Feb 20, 2019	34.39	34.72	34.03	34.13
1490	NASDAQ	ALTR	Tue, Feb 19, 2019	34.46	34.58	34.06	34.28
1489	NASDAQ	ALTR	Fri, Feb 15, 2019	34.30	34.90	33.96	34.64
1488	NASDAQ	ALTR	Thu, Feb 14, 2019	33.80	34.50	33.80	34.16
1487	NASDAQ	ALTR	Wed, Feb 13, 2019	34.21	34.44	33.66	33.94
1486	NASDAQ	ALTR	Tue, Feb 12, 2019	33.74	34.24	33.55	33.99
1485	NASDAQ	ALTR	Mon, Feb 11, 2019	33.97	34.02	33.38	33.55
1484	NASDAQ	ALTR	Fri, Feb 8, 2019	33.07	33.71	33.07	33.71
1483	NASDAQ	ALTR	Thu, Feb 7, 2019	33.43	33.67	33.09	33.25
1482	NASDAQ	ALTR	Wed, Feb 6, 2019	33.72	33.90	33.50	33.75
1481	NASDAQ	ALTR	Tue, Feb 5, 2019	33.51	33.98	33.25	33.77
1480	NASDAQ	ALTR	Mon, Feb 4, 2019	32.60	33.62	32.56	33.40
1479	NASDAQ	ALTR	Fri, Feb 1, 2019	32.28	32.99	32.24	32.81
1478	NASDAQ	ALTR	Thu, Jan 31, 2019	32.01	32.76	32.01	32.38
1477	NASDAQ	ALTR	Wed, Jan 30, 2019	31.04	32.55	30.61	32.33
1476	NASDAQ	ALTR	Tue, Jan 29, 2019	30.85	31.24	30.50	30.71
1475	NASDAQ	ALTR	Mon, Jan 28, 2019	30.94	31.10	30.28	30.84
1474	NASDAQ	ALTR	Fri, Jan 25, 2019	31.18	31.52	30.95	31.25
1473	NASDAQ	ALTR	Thu, Jan 24, 2019	31.48	31.78	30.70	30.84
1472	NASDAQ	ALTR	Wed, Jan 23, 2019	31.84	31.98	30.84	31.45
1471	NASDAQ	ALTR	Tue, Jan 22, 2019	30.74	31.57	30.64	31.52
1470	NASDAQ	ALTR	Fri, Jan 18, 2019	31.23	31.57	30.89	30.93
1469	NASDAQ	ALTR	Thu, Jan 17, 2019	30.32	31.28	30.19	31.10
1468	NASDAQ	ALTR	Wed, Jan 16, 2019	29.89	30.30	29.69	30.25
1467	NASDAQ	ALTR	Tue, Jan 15, 2019	29.02	29.78	28.82	29.71
1466	NASDAQ	ALTR	Mon, Jan 14, 2019	28.96	29.13	28.51	29.01
1465	NASDAQ	ALTR	Fri, Jan 11, 2019	28.81	29.26	28.50	29.23
1464	NASDAQ	ALTR	Thu, Jan 10, 2019	28.86	29.24	28.58	28.95
1463	NASDAQ	ALTR	Wed, Jan 9, 2019	29.06	29.26	28.37	29.08
1462	NASDAQ	ALTR	Tue, Jan 8, 2019	27.85	29.03	27.65	28.99
1461	NASDAQ	ALTR	Mon, Jan 7, 2019	27.01	28.00	26.87	27.84
1460	NASDAQ	ALTR	Fri, Jan 4, 2019	26.19	27.17	25.74	27.11
1459	NASDAQ	ALTR	Thu, Jan 3, 2019	26.43	27.10	25.54	25.63
1458	NASDAQ	ALTR	Wed, Jan 2, 2019	27.01	27.55	26.49	26.76
1457	NASDAQ	ALTR	Mon, Dec 31, 2018	27.03	27.87	26.75	27.58
1456	NASDAQ	ALTR	Fri, Dec 28, 2018	27.48	27.53	26.43	26.74
1455	NASDAQ	ALTR	Thu, Dec 27, 2018	26.70	27.33	26.19	27.18
1454	NASDAQ	ALTR	Wed, Dec 26, 2018	25.61	27.08	25.43	27.06
1453	NASDAQ	ALTR	Mon, Dec 24, 2018	25.33	26.28	25.28	25.50
1452	NASDAQ	ALTR	Fri, Dec 21, 2018	27.42	27.42	25.59	25.73
1451	NASDAQ	ALTR	Thu, Dec 20, 2018	27.61	28.33	26.23	27.32
1450	NASDAQ	ALTR	Wed, Dec 19, 2018	27.20	28.97	27.17	27.62
1449	NASDAQ	ALTR	Tue, Dec 18, 2018	27.73	28.15	27.13	27.17
1448	NASDAQ	ALTR	Mon, Dec 17, 2018	27.19	28.05	26.44	27.29
1447	NASDAQ	ALTR	Fri, Dec 14, 2018	28.55	28.84	27.35	27.40
1446	NASDAQ	ALTR	Thu, Dec 13, 2018	29.76	30.01	29.02	29.09
1445	NASDAQ	ALTR	Wed, Dec 12, 2018	29.44	30.34	28.96	29.53
1444	NASDAQ	ALTR	Tue, Dec 11, 2018	30.07	30.37	28.76	28.84
1443	NASDAQ	ALTR	Mon, Dec 10, 2018	29.23	30.01	29.09	29.60
1442	NASDAQ	ALTR	Fri, Dec 7, 2018	30.58	31.06	29.03	29.26
1441	NASDAQ	ALTR	Thu, Dec 6, 2018	29.82	31.08	29.10	30.59
1440	NASDAQ	ALTR	Tue, Dec 4, 2018	32.78	33.10	30.28	30.39
1439	NASDAQ	ALTR	Mon, Dec 3, 2018	32.93	33.91	32.59	32.99
1438	NASDAQ	ALTR	Fri, Nov 30, 2018	31.57	32.44	31.30	32.31
1437	NASDAQ	ALTR	Thu, Nov 29, 2018	30.93	31.79	30.24	31.32
1436	NASDAQ	ALTR	Wed, Nov 28, 2018	29.24	31.03	29.18	30.99
1435	NASDAQ	ALTR	Tue, Nov 27, 2018	29.07	29.84	28.59	29.47
1434	NASDAQ	ALTR	Mon, Nov 26, 2018	29.75	30.13	28.74	29.48
1433	NASDAQ	ALTR	Fri, Nov 23, 2018	28.94	30.06	28.94	29.50
1432	NASDAQ	ALTR	Wed, Nov 21, 2018	29.65	30.21	29.10	29.43
1431	NASDAQ	ALTR	Tue, Nov 20, 2018	28.75	30.33	28.48	29.13
1430	NASDAQ	ALTR	Mon, Nov 19, 2018	32.81	33.01	29.84	29.85
1429	NASDAQ	ALTR	Fri, Nov 16, 2018	32.96	33.55	32.50	33.17
1428	NASDAQ	ALTR	Thu, Nov 15, 2018	32.24	33.55	32.21	33.37
1427	NASDAQ	ALTR	Wed, Nov 14, 2018	32.80	33.56	31.91	32.18
1426	NASDAQ	ALTR	Tue, Nov 13, 2018	32.44	33.59	32.44	32.63
1425	NASDAQ	ALTR	Mon, Nov 12, 2018	32.15	32.97	31.92	32.30
1424	NASDAQ	ALTR	Fri, Nov 9, 2018	34.25	34.85	31.02	32.12
1423	NASDAQ	ALTR	Thu, Nov 8, 2018	33.35	33.69	32.63	33.62
1422	NASDAQ	ALTR	Wed, Nov 7, 2018	32.29	34.57	32.29	33.61
1421	NASDAQ	ALTR	Tue, Nov 6, 2018	30.53	32.48	30.50	31.92
1420	NASDAQ	ALTR	Mon, Nov 5, 2018	37.90	37.90	30.16	30.70
1419	NASDAQ	ALTR	Fri, Nov 2, 2018	37.89	38.59	37.30	37.90
1418	NASDAQ	ALTR	Thu, Nov 1, 2018	38.40	39.07	37.60	37.68
1417	NASDAQ	ALTR	Wed, Oct 31, 2018	37.58	38.55	37.38	38.14
1416	NASDAQ	ALTR	Tue, Oct 30, 2018	36.51	37.43	36.11	36.97
1415	NASDAQ	ALTR	Mon, Oct 29, 2018	37.53	38.23	36.22	36.65
1414	NASDAQ	ALTR	Fri, Oct 26, 2018	36.31	37.45	35.35	36.83
1413	NASDAQ	ALTR	Thu, Oct 25, 2018	35.32	37.16	35.32	37.06
1412	NASDAQ	ALTR	Wed, Oct 24, 2018	36.73	37.40	35.21	35.26
1411	NASDAQ	ALTR	Tue, Oct 23, 2018	36.06	36.97	35.46	36.80
1410	NASDAQ	ALTR	Mon, Oct 22, 2018	35.85	37.40	35.72	36.79
1409	NASDAQ	ALTR	Fri, Oct 19, 2018	36.33	36.73	35.49	35.86
1408	NASDAQ	ALTR	Thu, Oct 18, 2018	35.98	36.45	35.30	36.43
1407	NASDAQ	ALTR	Wed, Oct 17, 2018	35.60	36.09	34.79	36.00
1406	NASDAQ	ALTR	Tue, Oct 16, 2018	34.67	35.70	33.99	35.23
1405	NASDAQ	ALTR	Mon, Oct 15, 2018	34.90	34.94	33.90	34.12
1404	NASDAQ	ALTR	Fri, Oct 12, 2018	34.29	35.00	34.29	34.94
1403	NASDAQ	ALTR	Thu, Oct 11, 2018	35.49	37.29	33.88	33.93
1402	NASDAQ	ALTR	Wed, Oct 10, 2018	39.89	40.00	35.63	35.70
1401	NASDAQ	ALTR	Tue, Oct 9, 2018	40.68	41.45	39.68	39.91
1400	NASDAQ	ALTR	Mon, Oct 8, 2018	41.70	41.70	40.26	40.88
1399	NASDAQ	ALTR	Fri, Oct 5, 2018	41.52	42.04	41.02	41.69
1398	NASDAQ	ALTR	Thu, Oct 4, 2018	41.81	41.81	41.00	41.61
1397	NASDAQ	ALTR	Wed, Oct 3, 2018	42.02	42.17	41.47	42.04
1396	NASDAQ	ALTR	Tue, Oct 2, 2018	42.75	43.34	41.62	41.96
1395	NASDAQ	ALTR	Mon, Oct 1, 2018	43.60	43.99	42.60	42.75
1394	NASDAQ	ALTR	Fri, Sep 28, 2018	42.21	43.54	42.05	43.45
1393	NASDAQ	ALTR	Thu, Sep 27, 2018	42.28	43.66	42.11	42.21
1392	NASDAQ	ALTR	Wed, Sep 26, 2018	42.15	42.47	41.81	41.97
1391	NASDAQ	ALTR	Tue, Sep 25, 2018	41.36	42.40	41.36	41.95
1390	NASDAQ	ALTR	Mon, Sep 24, 2018	40.61	41.45	40.48	41.28
1389	NASDAQ	ALTR	Fri, Sep 21, 2018	39.92	41.02	39.89	40.90
1388	NASDAQ	ALTR	Thu, Sep 20, 2018	39.83	40.42	39.60	39.96
1387	NASDAQ	ALTR	Wed, Sep 19, 2018	39.80	39.91	38.24	39.50
1386	NASDAQ	ALTR	Tue, Sep 18, 2018	38.86	40.39	38.86	39.83
1385	NASDAQ	ALTR	Mon, Sep 17, 2018	39.63	40.47	38.37	38.63
1384	NASDAQ	ALTR	Fri, Sep 14, 2018	39.98	40.49	39.45	39.98
1383	NASDAQ	ALTR	Thu, Sep 13, 2018	40.64	41.08	39.80	39.98
1382	NASDAQ	ALTR	Wed, Sep 12, 2018	40.96	41.21	39.66	40.40
1381	NASDAQ	ALTR	Tue, Sep 11, 2018	40.90	41.38	40.84	41.04
1380	NASDAQ	ALTR	Mon, Sep 10, 2018	40.70	41.50	40.00	40.96
1379	NASDAQ	ALTR	Fri, Sep 7, 2018	40.52	41.61	40.31	40.44
1378	NASDAQ	ALTR	Thu, Sep 6, 2018	40.86	41.10	39.90	40.88
1377	NASDAQ	ALTR	Wed, Sep 5, 2018	42.36	42.40	39.82	40.93
1376	NASDAQ	ALTR	Tue, Sep 4, 2018	41.92	43.06	41.84	42.35
1375	NASDAQ	ALTR	Fri, Aug 31, 2018	40.82	41.86	40.69	41.77
1374	NASDAQ	ALTR	Thu, Aug 30, 2018	41.16	41.50	40.60	40.87
1373	NASDAQ	ALTR	Wed, Aug 29, 2018	40.77	41.41	40.77	41.36
1372	NASDAQ	ALTR	Tue, Aug 28, 2018	41.10	41.28	40.08	40.64
1371	NASDAQ	ALTR	Mon, Aug 27, 2018	40.75	41.69	40.50	40.98
1370	NASDAQ	ALTR	Fri, Aug 24, 2018	40.22	40.69	39.86	40.51
1369	NASDAQ	ALTR	Thu, Aug 23, 2018	40.05	40.44	39.84	39.90
1368	NASDAQ	ALTR	Wed, Aug 22, 2018	40.10	40.75	39.96	40.03
1367	NASDAQ	ALTR	Tue, Aug 21, 2018	40.23	40.37	39.69	40.14
1366	NASDAQ	ALTR	Mon, Aug 20, 2018	40.25	40.83	39.86	40.23
1365	NASDAQ	ALTR	Fri, Aug 17, 2018	39.77	40.25	39.03	40.20
1364	NASDAQ	ALTR	Thu, Aug 16, 2018	39.37	40.25	39.11	39.82
1363	NASDAQ	ALTR	Wed, Aug 15, 2018	39.61	39.80	39.01	39.26
1362	NASDAQ	ALTR	Tue, Aug 14, 2018	40.25	40.25	38.81	39.66
1361	NASDAQ	ALTR	Mon, Aug 13, 2018	38.61	41.81	38.61	39.43
1360	NASDAQ	ALTR	Fri, Aug 10, 2018	37.50	39.20	36.50	38.04
1359	NASDAQ	ALTR	Thu, Aug 9, 2018	35.39	37.10	34.73	36.54
1358	NASDAQ	ALTR	Wed, Aug 8, 2018	34.81	35.60	34.73	35.26
1357	NASDAQ	ALTR	Tue, Aug 7, 2018	35.94	36.47	34.84	34.95
1356	NASDAQ	ALTR	Mon, Aug 6, 2018	35.25	36.24	35.10	35.93
1355	NASDAQ	ALTR	Fri, Aug 3, 2018	35.54	36.35	34.88	35.30
1354	NASDAQ	ALTR	Thu, Aug 2, 2018	34.66	35.74	34.66	35.49
1353	NASDAQ	ALTR	Wed, Aug 1, 2018	35.18	35.98	34.69	34.88
1352	NASDAQ	ALTR	Tue, Jul 31, 2018	35.09	35.55	34.56	35.10
1351	NASDAQ	ALTR	Mon, Jul 30, 2018	35.61	35.61	34.22	34.88
1350	NASDAQ	ALTR	Fri, Jul 27, 2018	36.49	36.49	35.43	35.60
1349	NASDAQ	ALTR	Thu, Jul 26, 2018	36.50	37.10	36.10	36.57
1348	NASDAQ	ALTR	Wed, Jul 25, 2018	35.81	37.21	35.77	36.45
1347	NASDAQ	ALTR	Tue, Jul 24, 2018	34.92	35.81	34.13	35.80
1346	NASDAQ	ALTR	Mon, Jul 23, 2018	34.65	35.21	34.31	34.75
1345	NASDAQ	ALTR	Fri, Jul 20, 2018	35.22	35.33	33.82	34.77
1344	NASDAQ	ALTR	Thu, Jul 19, 2018	35.41	35.88	34.88	35.08
1343	NASDAQ	ALTR	Wed, Jul 18, 2018	34.61	36.03	34.61	35.47
1342	NASDAQ	ALTR	Tue, Jul 17, 2018	34.33	34.89	33.30	34.62
1341	NASDAQ	ALTR	Mon, Jul 16, 2018	34.68	34.99	34.07	34.51
1340	NASDAQ	ALTR	Fri, Jul 13, 2018	34.72	34.97	34.30	34.63
1339	NASDAQ	ALTR	Thu, Jul 12, 2018	34.32	34.79	34.15	34.73
1338	NASDAQ	ALTR	Wed, Jul 11, 2018	34.31	34.79	33.79	34.09
1337	NASDAQ	ALTR	Tue, Jul 10, 2018	34.86	34.96	34.23	34.48
1336	NASDAQ	ALTR	Mon, Jul 9, 2018	34.75	35.02	34.28	34.77
1335	NASDAQ	ALTR	Fri, Jul 6, 2018	34.00	34.72	33.81	34.59
1334	NASDAQ	ALTR	Thu, Jul 5, 2018	33.95	34.25	33.51	34.04
1333	NASDAQ	ALTR	Tue, Jul 3, 2018	34.54	34.81	33.39	33.80
1332	NASDAQ	ALTR	Mon, Jul 2, 2018	33.84	34.64	33.83	34.52
1331	NASDAQ	ALTR	Fri, Jun 29, 2018	33.81	34.41	33.56	34.18
1330	NASDAQ	ALTR	Thu, Jun 28, 2018	33.77	34.17	33.05	33.70
1329	NASDAQ	ALTR	Wed, Jun 27, 2018	34.08	34.59	33.88	33.95
1328	NASDAQ	ALTR	Tue, Jun 26, 2018	34.07	34.76	33.93	34.18
1327	NASDAQ	ALTR	Mon, Jun 25, 2018	34.30	34.31	33.05	33.89
1326	NASDAQ	ALTR	Fri, Jun 22, 2018	35.43	35.43	33.55	34.73
1325	NASDAQ	ALTR	Thu, Jun 21, 2018	35.57	36.61	35.07	35.28
1324	NASDAQ	ALTR	Wed, Jun 20, 2018	35.14	35.71	34.63	35.46
1323	NASDAQ	ALTR	Tue, Jun 19, 2018	35.88	35.88	33.23	34.99
1322	NASDAQ	ALTR	Mon, Jun 18, 2018	36.38	37.22	35.78	36.17
1321	NASDAQ	ALTR	Fri, Jun 15, 2018	36.89	37.57	36.17	36.37
1320	NASDAQ	ALTR	Thu, Jun 14, 2018	36.63	37.77	36.01	36.75
1319	NASDAQ	ALTR	Wed, Jun 13, 2018	35.97	37.10	35.97	36.32
1318	NASDAQ	ALTR	Tue, Jun 12, 2018	35.78	36.46	35.78	35.97
1317	NASDAQ	ALTR	Mon, Jun 11, 2018	35.99	36.44	35.62	35.75
1316	NASDAQ	ALTR	Fri, Jun 8, 2018	35.38	36.00	34.85	35.91
1315	NASDAQ	ALTR	Thu, Jun 7, 2018	35.48	35.99	34.35	35.66
1314	NASDAQ	ALTR	Wed, Jun 6, 2018	36.46	36.72	35.83	36.29
1313	NASDAQ	ALTR	Tue, Jun 5, 2018	36.00	36.61	35.26	36.06
1312	NASDAQ	ALTR	Mon, Jun 4, 2018	35.86	36.89	35.86	36.67
1311	NASDAQ	ALTR	Fri, Jun 1, 2018	35.40	36.01	34.96	35.78
1310	NASDAQ	ALTR	Thu, May 31, 2018	35.33	35.81	35.16	35.19
1309	NASDAQ	ALTR	Wed, May 30, 2018	35.17	36.26	35.13	35.16
1308	NASDAQ	ALTR	Tue, May 29, 2018	35.15	35.34	34.90	35.00
1307	NASDAQ	ALTR	Fri, May 25, 2018	34.68	35.48	34.68	35.31
1306	NASDAQ	ALTR	Thu, May 24, 2018	35.21	35.23	34.85	34.97
1305	NASDAQ	ALTR	Wed, May 23, 2018	35.25	35.50	34.77	35.17
1304	NASDAQ	ALTR	Tue, May 22, 2018	35.74	35.74	35.00	35.32
1303	NASDAQ	ALTR	Mon, May 21, 2018	36.05	36.15	35.37	35.57
1302	NASDAQ	ALTR	Fri, May 18, 2018	35.98	37.19	35.82	35.84
1301	NASDAQ	ALTR	Thu, May 17, 2018	35.08	36.76	34.74	36.16
1300	NASDAQ	ALTR	Wed, May 16, 2018	33.71	35.35	33.11	35.16
1299	NASDAQ	ALTR	Tue, May 15, 2018	31.50	34.01	30.13	33.55
1298	NASDAQ	ALTR	Mon, May 14, 2018	31.50	31.50	30.67	31.27
1297	NASDAQ	ALTR	Fri, May 11, 2018	31.15	31.63	30.11	31.45
1296	NASDAQ	ALTR	Thu, May 10, 2018	31.12	31.35	30.92	30.95
1295	NASDAQ	ALTR	Wed, May 9, 2018	30.69	31.40	30.02	30.93
1294	NASDAQ	ALTR	Tue, May 8, 2018	30.42	30.86	29.89	30.55
1293	NASDAQ	ALTR	Mon, May 7, 2018	29.99	30.89	29.99	30.46
1292	NASDAQ	ALTR	Fri, May 4, 2018	28.53	29.96	28.50	29.66
1291	NASDAQ	ALTR	Thu, May 3, 2018	28.97	28.99	28.23	28.62
1290	NASDAQ	ALTR	Wed, May 2, 2018	28.61	29.02	27.94	29.01
1289	NASDAQ	ALTR	Tue, May 1, 2018	28.99	29.17	28.33	28.75
1288	NASDAQ	ALTR	Mon, Apr 30, 2018	29.00	29.30	28.15	28.98
1287	NASDAQ	ALTR	Fri, Apr 27, 2018	28.20	29.19	27.88	28.96
1286	NASDAQ	ALTR	Thu, Apr 26, 2018	29.02	29.40	27.75	27.99
1285	NASDAQ	ALTR	Wed, Apr 25, 2018	28.85	29.04	28.22	28.96
1284	NASDAQ	ALTR	Tue, Apr 24, 2018	29.78	30.04	28.56	28.97
1283	NASDAQ	ALTR	Mon, Apr 23, 2018	29.99	30.26	29.21	29.52
1282	NASDAQ	ALTR	Fri, Apr 20, 2018	29.85	29.85	29.34	29.82
1281	NASDAQ	ALTR	Thu, Apr 19, 2018	29.40	29.94	29.40	29.85
1280	NASDAQ	ALTR	Wed, Apr 18, 2018	30.01	30.11	29.34	29.83
1279	NASDAQ	ALTR	Tue, Apr 17, 2018	29.40	30.54	29.39	30.09
1278	NASDAQ	ALTR	Mon, Apr 16, 2018	29.71	29.92	29.11	29.39
1277	NASDAQ	ALTR	Fri, Apr 13, 2018	30.42	30.47	29.49	29.60
1276	NASDAQ	ALTR	Thu, Apr 12, 2018	29.97	30.64	29.57	30.34
1275	NASDAQ	ALTR	Wed, Apr 11, 2018	30.68	30.96	29.58	29.87
1274	NASDAQ	ALTR	Tue, Apr 10, 2018	30.72	30.98	29.90	30.79
1273	NASDAQ	ALTR	Mon, Apr 9, 2018	30.45	30.69	29.94	30.27
1272	NASDAQ	ALTR	Fri, Apr 6, 2018	30.64	30.70	29.89	30.13
1271	NASDAQ	ALTR	Thu, Apr 5, 2018	30.73	31.80	30.40	30.83
1270	NASDAQ	ALTR	Wed, Apr 4, 2018	29.70	30.63	29.20	30.44
1269	NASDAQ	ALTR	Tue, Apr 3, 2018	30.31	30.38	29.35	30.28
1268	NASDAQ	ALTR	Mon, Apr 2, 2018	31.17	31.21	29.99	30.15
1267	NASDAQ	ALTR	Thu, Mar 29, 2018	30.82	31.50	30.25	31.36
1266	NASDAQ	ALTR	Wed, Mar 28, 2018	30.85	31.04	29.76	30.75
1265	NASDAQ	ALTR	Tue, Mar 27, 2018	32.50	32.70	30.60	30.98
1264	NASDAQ	ALTR	Mon, Mar 26, 2018	30.79	32.55	29.72	32.12
1263	NASDAQ	ALTR	Fri, Mar 23, 2018	30.54	30.77	29.80	30.31
1262	NASDAQ	ALTR	Thu, Mar 22, 2018	31.98	31.98	29.18	30.59
1261	NASDAQ	ALTR	Wed, Mar 21, 2018	31.85	33.39	31.46	31.46
1260	NASDAQ	ALTR	Tue, Mar 20, 2018	29.59	32.24	29.47	31.85
1259	NASDAQ	ALTR	Mon, Mar 19, 2018	29.30	30.00	28.48	29.58
1258	NASDAQ	ALTR	Fri, Mar 16, 2018	29.39	29.73	28.00	29.58
1257	NASDAQ	ALTR	Thu, Mar 15, 2018	29.22	29.84	28.76	29.50
1256	NASDAQ	ALTR	Wed, Mar 14, 2018	29.62	30.37	29.11	29.21
1255	NASDAQ	ALTR	Tue, Mar 13, 2018	30.19	30.76	28.65	29.60
1254	NASDAQ	ALTR	Mon, Mar 12, 2018	29.40	30.36	28.60	30.11
1253	NASDAQ	ALTR	Fri, Mar 9, 2018	29.50	30.00	28.06	29.40
1252	NASDAQ	ALTR	Thu, Mar 8, 2018	29.84	30.65	28.57	29.24
1251	NASDAQ	ALTR	Wed, Mar 7, 2018	27.19	30.33	26.99	29.98
1250	NASDAQ	ALTR	Tue, Mar 6, 2018	26.57	27.89	26.57	27.29
1249	NASDAQ	ALTR	Mon, Mar 5, 2018	26.44	26.70	25.63	26.49
1248	NASDAQ	ALTR	Fri, Mar 2, 2018	26.21	26.65	25.82	26.48
1247	NASDAQ	ALTR	Thu, Mar 1, 2018	26.35	26.72	26.20	26.25
1246	NASDAQ	ALTR	Wed, Feb 28, 2018	26.75	26.75	26.18	26.32
1245	NASDAQ	ALTR	Tue, Feb 27, 2018	26.42	26.85	26.03	26.64
1244	NASDAQ	ALTR	Mon, Feb 26, 2018	26.34	26.69	26.14	26.41
1243	NASDAQ	ALTR	Fri, Feb 23, 2018	26.11	26.50	25.92	26.16
1242	NASDAQ	ALTR	Thu, Feb 22, 2018	25.86	26.23	25.45	25.90
1241	NASDAQ	ALTR	Wed, Feb 21, 2018	26.23	26.50	25.55	25.90
1240	NASDAQ	ALTR	Tue, Feb 20, 2018	26.69	26.94	25.20	26.15
1239	NASDAQ	ALTR	Fri, Feb 16, 2018	26.55	27.02	25.77	26.84
1238	NASDAQ	ALTR	Thu, Feb 15, 2018	25.95	26.75	25.55	26.54
1237	NASDAQ	ALTR	Wed, Feb 14, 2018	25.50	26.09	25.46	25.81
1236	NASDAQ	ALTR	Tue, Feb 13, 2018	25.58	26.42	25.58	25.72
1235	NASDAQ	ALTR	Mon, Feb 12, 2018	25.30	25.88	24.97	25.74
1234	NASDAQ	ALTR	Fri, Feb 9, 2018	25.35	25.87	24.21	25.24
1233	NASDAQ	ALTR	Thu, Feb 8, 2018	26.47	27.47	25.06	25.29
1232	NASDAQ	ALTR	Wed, Feb 7, 2018	26.50	26.78	26.32	26.52
1231	NASDAQ	ALTR	Tue, Feb 6, 2018	26.42	28.00	26.20	26.42
1230	NASDAQ	ALTR	Mon, Feb 5, 2018	26.95	27.62	26.26	26.80
1229	NASDAQ	ALTR	Fri, Feb 2, 2018	27.29	28.26	26.75	26.95
1228	NASDAQ	ALTR	Thu, Feb 1, 2018	26.50	27.52	26.40	27.49
1227	NASDAQ	ALTR	Wed, Jan 31, 2018	26.57	27.00	26.13	26.60
1226	NASDAQ	ALTR	Tue, Jan 30, 2018	25.00	26.31	24.90	26.26
1225	NASDAQ	ALTR	Mon, Jan 29, 2018	26.27	26.50	25.18	25.22
1224	NASDAQ	ALTR	Fri, Jan 26, 2018	25.05	26.28	24.50	26.27
1223	NASDAQ	ALTR	Thu, Jan 25, 2018	25.58	25.58	24.75	25.01
1222	NASDAQ	ALTR	Wed, Jan 24, 2018	25.96	26.33	25.33	25.47
1221	NASDAQ	ALTR	Tue, Jan 23, 2018	25.79	26.33	24.87	25.91
1220	NASDAQ	ALTR	Mon, Jan 22, 2018	27.15	27.49	25.27	25.68
1219	NASDAQ	ALTR	Fri, Jan 19, 2018	25.77	27.09	25.30	26.75
1218	NASDAQ	ALTR	Thu, Jan 18, 2018	24.88	25.87	24.42	25.51
1217	NASDAQ	ALTR	Wed, Jan 17, 2018	25.71	25.71	23.89	24.86
1216	NASDAQ	ALTR	Tue, Jan 16, 2018	25.87	26.08	25.26	25.58
1215	NASDAQ	ALTR	Fri, Jan 12, 2018	26.43	26.77	25.17	25.88
1214	NASDAQ	ALTR	Thu, Jan 11, 2018	28.30	28.90	26.14	26.45
1213	NASDAQ	ALTR	Wed, Jan 10, 2018	26.61	28.00	26.32	27.99
1212	NASDAQ	ALTR	Tue, Jan 9, 2018	25.43	26.70	25.33	26.60
1211	NASDAQ	ALTR	Mon, Jan 8, 2018	25.12	25.50	24.52	25.41
1210	NASDAQ	ALTR	Fri, Jan 5, 2018	25.06	25.35	24.84	25.00
1209	NASDAQ	ALTR	Thu, Jan 4, 2018	25.30	25.54	24.65	24.92
1208	NASDAQ	ALTR	Wed, Jan 3, 2018	24.50	25.53	24.50	25.05
1207	NASDAQ	ALTR	Tue, Jan 2, 2018	24.14	24.46	23.77	24.27
1206	NASDAQ	ALTR	Fri, Dec 29, 2017	24.43	24.45	23.67	23.92
1205	NASDAQ	ALTR	Thu, Dec 28, 2017	23.64	24.33	23.18	24.31
1204	NASDAQ	ALTR	Wed, Dec 27, 2017	23.10	23.68	22.72	23.61
1203	NASDAQ	ALTR	Tue, Dec 26, 2017	23.12	23.40	22.63	23.03
1202	NASDAQ	ALTR	Fri, Dec 22, 2017	24.51	24.59	23.06	23.13
1201	NASDAQ	ALTR	Thu, Dec 21, 2017	23.40	24.64	23.36	24.39
1200	NASDAQ	ALTR	Wed, Dec 20, 2017	22.47	23.44	22.19	23.24
1199	NASDAQ	ALTR	Tue, Dec 19, 2017	22.45	22.85	21.13	22.59
1198	NASDAQ	ALTR	Mon, Dec 18, 2017	21.36	23.57	21.04	22.63
1197	NASDAQ	ALTR	Fri, Dec 15, 2017	21.00	21.49	20.61	21.26
1196	NASDAQ	ALTR	Thu, Dec 14, 2017	21.43	21.82	21.00	21.00
1195	NASDAQ	ALTR	Wed, Dec 13, 2017	22.35	22.98	21.39	21.44
1194	NASDAQ	ALTR	Tue, Dec 12, 2017	22.97	23.59	22.13	22.32
1193	NASDAQ	ALTR	Mon, Dec 11, 2017	21.68	23.11	21.68	23.08
1192	NASDAQ	ALTR	Fri, Dec 8, 2017	22.32	22.47	21.39	21.60
1191	NASDAQ	ALTR	Thu, Dec 7, 2017	20.95	22.70	20.50	22.20
1190	NASDAQ	ALTR	Wed, Dec 6, 2017	21.21	21.70	20.50	21.02
1189	NASDAQ	ALTR	Tue, Dec 5, 2017	21.68	22.94	21.20	21.56
1188	NASDAQ	ALTR	Mon, Dec 4, 2017	23.48	23.94	21.60	21.90
1187	NASDAQ	ALTR	Fri, Dec 1, 2017	21.38	24.63	21.38	23.46
1186	NASDAQ	ALTR	Thu, Nov 30, 2017	22.18	23.15	21.85	22.39
1185	NASDAQ	ALTR	Wed, Nov 29, 2017	23.99	24.34	21.35	22.14
1184	NASDAQ	ALTR	Tue, Nov 28, 2017	23.38	23.99	22.87	23.87
1183	NASDAQ	ALTR	Mon, Nov 27, 2017	24.50	25.09	22.59	22.65
1182	NASDAQ	ALTR	Fri, Nov 24, 2017	23.86	24.93	23.86	24.90
1181	NASDAQ	ALTR	Wed, Nov 22, 2017	24.01	24.30	23.68	23.94
1180	NASDAQ	ALTR	Tue, Nov 21, 2017	24.89	25.59	24.28	24.50
1179	NASDAQ	ALTR	Mon, Nov 20, 2017	24.28	24.95	24.09	24.76
1178	NASDAQ	ALTR	Fri, Nov 17, 2017	23.94	24.33	23.75	24.16
1177	NASDAQ	ALTR	Thu, Nov 16, 2017	23.90	24.00	23.40	23.94
1176	NASDAQ	ALTR	Wed, Nov 15, 2017	22.53	23.55	22.03	23.49
1175	NASDAQ	ALTR	Tue, Nov 14, 2017	21.54	22.98	21.52	22.36
1174	NASDAQ	ALTR	Mon, Nov 13, 2017	20.62	21.78	20.50	21.72
1173	NASDAQ	ALTR	Fri, Nov 10, 2017	20.40	20.85	20.23	20.76
1172	NASDAQ	ALTR	Thu, Nov 9, 2017	20.12	20.62	20.00	20.40
1171	NASDAQ	ALTR	Wed, Nov 8, 2017	19.55	20.38	18.62	20.36
1170	NASDAQ	ALTR	Tue, Nov 7, 2017	18.99	19.95	18.85	19.51
1169	NASDAQ	ALTR	Mon, Nov 6, 2017	19.06	19.60	18.10	18.97
1168	NASDAQ	ALTR	Fri, Nov 3, 2017	17.50	19.40	17.50	19.37
1167	NASDAQ	ALTR	Thu, Nov 2, 2017	18.05	18.20	17.33	17.41
1166	NASDAQ	ALTR	Wed, Nov 1, 2017	17.00	18.98	16.55	18.31
1165	NASDAQ	ALTR	Thu, Jan 7, 2016	53.96	53.96	53.96	53.96
1164	NASDAQ	ALTR	Wed, Jan 6, 2016	53.96	53.96	53.96	53.96
1163	NASDAQ	ALTR	Tue, Jan 5, 2016	53.96	53.96	53.96	53.96
1162	NASDAQ	ALTR	Mon, Jan 4, 2016	53.96	53.96	53.96	53.96
1161	NASDAQ	ALTR	Thu, Dec 31, 2015	53.96	53.96	53.96	53.96
1160	NASDAQ	ALTR	Wed, Dec 30, 2015	53.96	53.96	53.96	53.96
1159	NASDAQ	ALTR	Tue, Dec 29, 2015	53.96	53.96	53.96	53.96
1158	NASDAQ	ALTR	Mon, Dec 28, 2015	53.96	53.96	53.96	53.96
1157	NASDAQ	ALTR	Thu, Dec 24, 2015	53.94	53.97	53.94	53.96
1156	NASDAQ	ALTR	Wed, Dec 23, 2015	53.93	53.95	53.93	53.93
1155	NASDAQ	ALTR	Tue, Dec 22, 2015	53.92	53.94	53.91	53.93
1154	NASDAQ	ALTR	Mon, Dec 21, 2015	53.89	53.93	53.89	53.92
1153	NASDAQ	ALTR	Fri, Dec 18, 2015	53.01	53.07	52.81	52.85
1152	NASDAQ	ALTR	Thu, Dec 17, 2015	53.10	53.14	52.99	52.99
1151	NASDAQ	ALTR	Wed, Dec 16, 2015	53.02	53.11	52.94	53.00
1150	NASDAQ	ALTR	Tue, Dec 15, 2015	53.08	53.18	52.96	53.01
1149	NASDAQ	ALTR	Mon, Dec 14, 2015	53.04	53.12	52.93	52.99
1148	NASDAQ	ALTR	Fri, Dec 11, 2015	53.07	53.20	52.90	52.99
1147	NASDAQ	ALTR	Thu, Dec 10, 2015	53.11	53.17	53.09	53.11
1146	NASDAQ	ALTR	Wed, Dec 9, 2015	53.20	53.25	53.05	53.09
1145	NASDAQ	ALTR	Tue, Dec 8, 2015	53.19	53.27	53.13	53.18
1144	NASDAQ	ALTR	Mon, Dec 7, 2015	53.25	53.29	53.13	53.18
1143	NASDAQ	ALTR	Fri, Dec 4, 2015	52.90	53.33	52.87	53.20
1142	NASDAQ	ALTR	Thu, Dec 3, 2015	52.86	52.97	52.80	52.87
1141	NASDAQ	ALTR	Wed, Dec 2, 2015	52.86	52.93	52.78	52.85
1140	NASDAQ	ALTR	Tue, Dec 1, 2015	52.82	52.99	52.80	52.85
1139	NASDAQ	ALTR	Mon, Nov 30, 2015	52.81	52.90	52.70	52.80
1138	NASDAQ	ALTR	Fri, Nov 27, 2015	52.81	52.85	52.79	52.82
1137	NASDAQ	ALTR	Wed, Nov 25, 2015	52.82	52.87	52.75	52.81
1136	NASDAQ	ALTR	Tue, Nov 24, 2015	52.75	52.86	52.70	52.82
1135	NASDAQ	ALTR	Mon, Nov 23, 2015	52.73	52.80	52.65	52.77
1134	NASDAQ	ALTR	Fri, Nov 20, 2015	52.70	52.77	52.69	52.72
1133	NASDAQ	ALTR	Thu, Nov 19, 2015	52.72	52.77	52.64	52.69
1132	NASDAQ	ALTR	Wed, Nov 18, 2015	52.70	52.83	52.64	52.73
1131	NASDAQ	ALTR	Tue, Nov 17, 2015	52.73	52.74	52.61	52.69
1130	NASDAQ	ALTR	Mon, Nov 16, 2015	52.57	52.72	52.55	52.72
1129	NASDAQ	ALTR	Fri, Nov 13, 2015	52.61	52.69	52.51	52.59
1128	NASDAQ	ALTR	Thu, Nov 12, 2015	52.58	52.67	52.51	52.59
1127	NASDAQ	ALTR	Wed, Nov 11, 2015	52.60	52.68	52.56	52.60
1126	NASDAQ	ALTR	Tue, Nov 10, 2015	52.55	52.67	52.50	52.66
1125	NASDAQ	ALTR	Mon, Nov 9, 2015	52.56	52.65	52.46	52.60
1124	NASDAQ	ALTR	Fri, Nov 6, 2015	52.58	52.64	52.52	52.57
1123	NASDAQ	ALTR	Thu, Nov 5, 2015	52.71	52.76	52.65	52.73
1122	NASDAQ	ALTR	Wed, Nov 4, 2015	52.70	52.73	52.65	52.71
1121	NASDAQ	ALTR	Tue, Nov 3, 2015	52.67	52.73	52.64	52.71
1120	NASDAQ	ALTR	Mon, Nov 2, 2015	52.68	52.71	52.52	52.70
1119	NASDAQ	ALTR	Fri, Oct 30, 2015	52.65	52.78	52.55	52.55
1118	NASDAQ	ALTR	Thu, Oct 29, 2015	52.69	52.72	52.59	52.66
1117	NASDAQ	ALTR	Wed, Oct 28, 2015	52.66	52.80	52.60	52.79
1116	NASDAQ	ALTR	Tue, Oct 27, 2015	52.60	52.75	52.57	52.63
1115	NASDAQ	ALTR	Mon, Oct 26, 2015	52.50	52.78	52.50	52.69
1114	NASDAQ	ALTR	Fri, Oct 23, 2015	52.60	52.69	52.51	52.57
1113	NASDAQ	ALTR	Thu, Oct 22, 2015	52.63	52.87	52.63	52.80
1112	NASDAQ	ALTR	Wed, Oct 21, 2015	52.69	52.80	52.50	52.52
1111	NASDAQ	ALTR	Tue, Oct 20, 2015	52.68	52.73	52.53	52.69
1110	NASDAQ	ALTR	Mon, Oct 19, 2015	52.72	52.79	52.64	52.69
1109	NASDAQ	ALTR	Fri, Oct 16, 2015	52.84	52.84	52.67	52.73
1108	NASDAQ	ALTR	Thu, Oct 15, 2015	52.76	52.84	52.69	52.77
1107	NASDAQ	ALTR	Wed, Oct 14, 2015	52.30	52.89	52.29	52.72
1106	NASDAQ	ALTR	Tue, Oct 13, 2015	52.50	52.53	52.26	52.29
1105	NASDAQ	ALTR	Mon, Oct 12, 2015	52.49	52.60	52.45	52.49
1104	NASDAQ	ALTR	Fri, Oct 9, 2015	51.62	52.54	51.58	52.49
1103	NASDAQ	ALTR	Thu, Oct 8, 2015	51.15	51.76	51.15	51.72
1102	NASDAQ	ALTR	Wed, Oct 7, 2015	50.12	50.83	50.02	50.67
1101	NASDAQ	ALTR	Tue, Oct 6, 2015	50.28	50.38	49.90	49.92
1100	NASDAQ	ALTR	Mon, Oct 5, 2015	50.15	50.50	50.03	50.44
1099	NASDAQ	ALTR	Fri, Oct 2, 2015	49.83	50.19	49.61	50.15
1098	NASDAQ	ALTR	Thu, Oct 1, 2015	50.15	50.25	49.79	49.99
1097	NASDAQ	ALTR	Wed, Sep 30, 2015	49.87	50.21	49.71	50.08
1096	NASDAQ	ALTR	Tue, Sep 29, 2015	50.27	50.27	49.61	49.65
1095	NASDAQ	ALTR	Mon, Sep 28, 2015	50.21	50.42	50.11	50.11
1094	NASDAQ	ALTR	Fri, Sep 25, 2015	50.42	50.50	50.08	50.27
1093	NASDAQ	ALTR	Thu, Sep 24, 2015	50.39	50.52	50.23	50.31
1092	NASDAQ	ALTR	Wed, Sep 23, 2015	50.36	50.52	50.32	50.41
1091	NASDAQ	ALTR	Tue, Sep 22, 2015	50.25	50.41	50.17	50.31
1090	NASDAQ	ALTR	Mon, Sep 21, 2015	50.40	50.62	50.30	50.44
1089	NASDAQ	ALTR	Fri, Sep 18, 2015	50.33	50.51	50.27	50.31
1088	NASDAQ	ALTR	Thu, Sep 17, 2015	50.52	50.67	50.38	50.45
1087	NASDAQ	ALTR	Wed, Sep 16, 2015	50.51	50.62	50.42	50.59
1086	NASDAQ	ALTR	Tue, Sep 15, 2015	50.54	50.64	50.45	50.58
1085	NASDAQ	ALTR	Mon, Sep 14, 2015	50.58	50.69	50.34	50.44
1084	NASDAQ	ALTR	Fri, Sep 11, 2015	50.47	50.63	50.31	50.55
1083	NASDAQ	ALTR	Thu, Sep 10, 2015	50.19	50.55	50.19	50.49
1082	NASDAQ	ALTR	Wed, Sep 9, 2015	50.46	50.49	49.99	50.20
1081	NASDAQ	ALTR	Tue, Sep 8, 2015	50.55	50.60	50.09	50.20
1080	NASDAQ	ALTR	Fri, Sep 4, 2015	48.35	49.40	48.26	49.11
1079	NASDAQ	ALTR	Thu, Sep 3, 2015	49.20	49.24	48.76	48.95
1078	NASDAQ	ALTR	Wed, Sep 2, 2015	48.59	49.07	48.31	49.06
1077	NASDAQ	ALTR	Tue, Sep 1, 2015	48.17	48.60	47.84	48.22
1076	NASDAQ	ALTR	Mon, Aug 31, 2015	48.41	48.81	48.20	48.55
1075	NASDAQ	ALTR	Fri, Aug 28, 2015	48.27	48.68	48.22	48.61
1074	NASDAQ	ALTR	Thu, Aug 27, 2015	48.15	48.96	47.95	48.62
1073	NASDAQ	ALTR	Wed, Aug 26, 2015	47.42	48.17	46.33	47.91
1072	NASDAQ	ALTR	Tue, Aug 25, 2015	47.53	48.00	46.54	46.54
1071	NASDAQ	ALTR	Mon, Aug 24, 2015	46.66	47.75	43.89	46.73
1070	NASDAQ	ALTR	Fri, Aug 21, 2015	48.40	49.06	47.94	48.17
1069	NASDAQ	ALTR	Thu, Aug 20, 2015	48.91	49.36	48.65	48.65
1068	NASDAQ	ALTR	Wed, Aug 19, 2015	48.98	49.42	48.58	49.27
1067	NASDAQ	ALTR	Tue, Aug 18, 2015	49.42	49.44	48.82	48.95
1066	NASDAQ	ALTR	Mon, Aug 17, 2015	49.08	49.39	48.91	49.37
1065	NASDAQ	ALTR	Fri, Aug 14, 2015	49.37	49.42	48.94	49.03
1064	NASDAQ	ALTR	Thu, Aug 13, 2015	49.39	49.73	49.21	49.32
1063	NASDAQ	ALTR	Wed, Aug 12, 2015	49.37	49.57	49.21	49.39
1062	NASDAQ	ALTR	Tue, Aug 11, 2015	49.72	49.83	49.34	49.53
1061	NASDAQ	ALTR	Mon, Aug 10, 2015	49.83	50.00	49.74	49.84
1060	NASDAQ	ALTR	Fri, Aug 7, 2015	49.73	49.82	49.53	49.74
1059	NASDAQ	ALTR	Thu, Aug 6, 2015	50.02	50.09	49.38	49.64
1058	NASDAQ	ALTR	Wed, Aug 5, 2015	50.10	50.28	50.03	50.22
1057	NASDAQ	ALTR	Tue, Aug 4, 2015	49.75	50.10	49.70	50.05
1056	NASDAQ	ALTR	Mon, Aug 3, 2015	49.63	50.00	49.46	49.84
1055	NASDAQ	ALTR	Fri, Jul 31, 2015	49.92	49.94	49.50	49.66
1054	NASDAQ	ALTR	Thu, Jul 30, 2015	49.46	50.00	49.40	49.84
1053	NASDAQ	ALTR	Wed, Jul 29, 2015	49.40	49.76	49.25	49.67
1052	NASDAQ	ALTR	Tue, Jul 28, 2015	49.03	49.48	48.70	49.48
1051	NASDAQ	ALTR	Mon, Jul 27, 2015	49.06	49.38	48.91	48.92
1050	NASDAQ	ALTR	Fri, Jul 24, 2015	49.51	49.62	48.93	49.11
1049	NASDAQ	ALTR	Thu, Jul 23, 2015	49.49	49.87	49.36	49.43
1048	NASDAQ	ALTR	Wed, Jul 22, 2015	49.91	50.04	49.39	49.42
1047	NASDAQ	ALTR	Tue, Jul 21, 2015	49.80	50.18	49.69	49.90
1046	NASDAQ	ALTR	Mon, Jul 20, 2015	50.35	50.35	49.79	49.85
1045	NASDAQ	ALTR	Fri, Jul 17, 2015	50.45	50.47	50.25	50.34
1044	NASDAQ	ALTR	Thu, Jul 16, 2015	50.41	50.57	50.25	50.56
1043	NASDAQ	ALTR	Wed, Jul 15, 2015	50.15	50.42	50.11	50.34
1042	NASDAQ	ALTR	Tue, Jul 14, 2015	50.33	50.39	50.21	50.26
1041	NASDAQ	ALTR	Mon, Jul 13, 2015	50.00	50.25	49.71	50.25
1040	NASDAQ	ALTR	Fri, Jul 10, 2015	49.69	49.98	49.43	49.75
1039	NASDAQ	ALTR	Thu, Jul 9, 2015	51.34	51.36	49.20	49.46
1038	NASDAQ	ALTR	Wed, Jul 8, 2015	51.37	51.39	51.10	51.20
1037	NASDAQ	ALTR	Tue, Jul 7, 2015	51.45	51.49	51.26	51.49
1036	NASDAQ	ALTR	Mon, Jul 6, 2015	51.24	51.48	51.23	51.40
1035	NASDAQ	ALTR	Thu, Jul 2, 2015	51.37	51.44	51.26	51.34
1034	NASDAQ	ALTR	Wed, Jul 1, 2015	51.35	51.40	51.27	51.27
1033	NASDAQ	ALTR	Tue, Jun 30, 2015	51.18	51.35	51.17	51.20
1032	NASDAQ	ALTR	Mon, Jun 29, 2015	51.15	51.34	51.10	51.11
1031	NASDAQ	ALTR	Fri, Jun 26, 2015	51.30	51.40	51.16	51.30
1030	NASDAQ	ALTR	Thu, Jun 25, 2015	51.24	51.42	51.17	51.28
1029	NASDAQ	ALTR	Wed, Jun 24, 2015	51.35	51.39	51.20	51.22
1028	NASDAQ	ALTR	Tue, Jun 23, 2015	51.48	51.52	51.32	51.34
1027	NASDAQ	ALTR	Mon, Jun 22, 2015	51.51	51.51	51.40	51.41
1026	NASDAQ	ALTR	Fri, Jun 19, 2015	51.52	51.54	51.22	51.32
1025	NASDAQ	ALTR	Thu, Jun 18, 2015	51.54	51.59	51.44	51.46
1024	NASDAQ	ALTR	Wed, Jun 17, 2015	51.65	51.67	51.49	51.50
1023	NASDAQ	ALTR	Tue, Jun 16, 2015	51.55	51.73	51.53	51.65
1022	NASDAQ	ALTR	Mon, Jun 15, 2015	51.55	51.65	51.53	51.55
1021	NASDAQ	ALTR	Fri, Jun 12, 2015	51.54	51.63	51.47	51.59
1020	NASDAQ	ALTR	Thu, Jun 11, 2015	51.58	51.60	51.51	51.59
1019	NASDAQ	ALTR	Wed, Jun 10, 2015	51.50	51.63	51.50	51.55
1018	NASDAQ	ALTR	Tue, Jun 9, 2015	51.44	51.59	51.43	51.50
1017	NASDAQ	ALTR	Mon, Jun 8, 2015	51.56	51.62	51.41	51.41
1016	NASDAQ	ALTR	Fri, Jun 5, 2015	51.45	51.66	51.41	51.46
1015	NASDAQ	ALTR	Thu, Jun 4, 2015	51.68	51.73	51.37	51.44
1014	NASDAQ	ALTR	Wed, Jun 3, 2015	51.73	51.76	51.66	51.73
1013	NASDAQ	ALTR	Tue, Jun 2, 2015	51.64	51.79	51.54	51.70
1012	NASDAQ	ALTR	Mon, Jun 1, 2015	51.89	51.91	51.56	51.68
1011	NASDAQ	ALTR	Fri, May 29, 2015	49.77	50.10	48.44	48.85
1010	NASDAQ	ALTR	Thu, May 28, 2015	47.57	47.57	46.58	46.97
1009	NASDAQ	ALTR	Wed, May 27, 2015	46.92	49.52	46.69	47.86
1008	NASDAQ	ALTR	Tue, May 26, 2015	47.15	47.24	46.57	46.74
1007	NASDAQ	ALTR	Fri, May 22, 2015	47.01	47.69	46.90	47.37
1006	NASDAQ	ALTR	Thu, May 21, 2015	46.57	47.36	46.40	47.04
1005	NASDAQ	ALTR	Wed, May 20, 2015	46.87	47.28	46.65	46.67
1004	NASDAQ	ALTR	Tue, May 19, 2015	47.02	47.38	46.60	46.85
1003	NASDAQ	ALTR	Mon, May 18, 2015	46.95	47.90	46.50	46.93
1002	NASDAQ	ALTR	Fri, May 15, 2015	44.15	44.79	43.84	44.42
1001	NASDAQ	ALTR	Thu, May 14, 2015	44.21	44.40	43.53	44.31
1000	NASDAQ	ALTR	Wed, May 13, 2015	43.94	44.45	43.47	43.83
999	NASDAQ	ALTR	Tue, May 12, 2015	44.07	44.88	43.40	44.01
998	NASDAQ	ALTR	Mon, May 11, 2015	44.39	44.71	43.94	44.28
997	NASDAQ	ALTR	Fri, May 8, 2015	44.32	45.00	44.27	44.46
996	NASDAQ	ALTR	Thu, May 7, 2015	44.13	45.17	44.04	44.60
995	NASDAQ	ALTR	Wed, May 6, 2015	44.64	45.14	43.75	44.18
994	NASDAQ	ALTR	Tue, May 5, 2015	44.71	45.04	44.33	44.61
993	NASDAQ	ALTR	Mon, May 4, 2015	44.90	45.23	44.21	45.02
992	NASDAQ	ALTR	Fri, May 1, 2015	44.07	46.50	44.04	45.76
991	NASDAQ	ALTR	Thu, Apr 30, 2015	40.49	42.06	40.47	41.68
990	NASDAQ	ALTR	Wed, Apr 29, 2015	39.96	40.84	39.42	40.72
989	NASDAQ	ALTR	Tue, Apr 28, 2015	40.09	40.55	39.81	40.15
988	NASDAQ	ALTR	Mon, Apr 27, 2015	40.65	42.00	39.73	40.26
987	NASDAQ	ALTR	Fri, Apr 24, 2015	42.30	42.30	40.49	40.89
986	NASDAQ	ALTR	Thu, Apr 23, 2015	42.38	42.69	41.73	42.09
985	NASDAQ	ALTR	Wed, Apr 22, 2015	42.87	43.17	42.40	42.78
984	NASDAQ	ALTR	Tue, Apr 21, 2015	43.37	43.85	42.95	43.24
983	NASDAQ	ALTR	Mon, Apr 20, 2015	44.08	44.14	42.78	43.16
982	NASDAQ	ALTR	Fri, Apr 17, 2015	42.95	44.20	42.81	44.02
981	NASDAQ	ALTR	Thu, Apr 16, 2015	43.40	43.99	43.08	43.35
980	NASDAQ	ALTR	Wed, Apr 15, 2015	42.74	43.83	42.30	43.42
979	NASDAQ	ALTR	Tue, Apr 14, 2015	44.43	44.51	42.40	42.55
978	NASDAQ	ALTR	Mon, Apr 13, 2015	44.12	45.36	43.30	43.86
977	NASDAQ	ALTR	Fri, Apr 10, 2015	43.21	45.38	42.85	44.52
976	NASDAQ	ALTR	Thu, Apr 9, 2015	38.94	44.18	38.67	43.33
975	NASDAQ	ALTR	Wed, Apr 8, 2015	41.35	42.06	41.07	42.00
974	NASDAQ	ALTR	Tue, Apr 7, 2015	41.15	42.16	40.45	41.36
973	NASDAQ	ALTR	Mon, Apr 6, 2015	42.61	42.61	40.70	41.21
972	NASDAQ	ALTR	Thu, Apr 2, 2015	42.51	43.47	42.45	43.10
971	NASDAQ	ALTR	Wed, Apr 1, 2015	42.49	42.75	42.20	42.41
970	NASDAQ	ALTR	Tue, Mar 31, 2015	42.58	43.18	42.40	42.91
969	NASDAQ	ALTR	Mon, Mar 30, 2015	43.82	44.00	40.75	42.82
968	NASDAQ	ALTR	Fri, Mar 27, 2015	34.73	45.00	34.48	44.39
967	NASDAQ	ALTR	Thu, Mar 26, 2015	34.24	34.75	33.95	34.58
966	NASDAQ	ALTR	Wed, Mar 25, 2015	35.78	35.84	34.69	34.73
965	NASDAQ	ALTR	Tue, Mar 24, 2015	36.42	36.46	35.73	35.77
964	NASDAQ	ALTR	Mon, Mar 23, 2015	36.86	36.90	36.37	36.39
963	NASDAQ	ALTR	Fri, Mar 20, 2015	36.90	37.00	36.56	36.95
962	NASDAQ	ALTR	Thu, Mar 19, 2015	36.06	36.69	36.00	36.60
961	NASDAQ	ALTR	Wed, Mar 18, 2015	35.43	36.26	35.28	36.19
960	NASDAQ	ALTR	Tue, Mar 17, 2015	35.55	35.60	35.22	35.52
959	NASDAQ	ALTR	Mon, Mar 16, 2015	35.33	35.74	35.21	35.72
958	NASDAQ	ALTR	Fri, Mar 13, 2015	34.86	35.12	34.74	35.06
957	NASDAQ	ALTR	Thu, Mar 12, 2015	34.90	35.08	34.64	34.94
956	NASDAQ	ALTR	Wed, Mar 11, 2015	35.19	35.42	34.99	35.01
955	NASDAQ	ALTR	Tue, Mar 10, 2015	35.48	35.61	35.11	35.11
954	NASDAQ	ALTR	Mon, Mar 9, 2015	35.78	35.98	35.67	35.85
953	NASDAQ	ALTR	Fri, Mar 6, 2015	35.94	36.11	35.39	35.78
952	NASDAQ	ALTR	Thu, Mar 5, 2015	36.32	36.54	35.85	36.02
951	NASDAQ	ALTR	Wed, Mar 4, 2015	36.46	36.80	36.04	36.31
950	NASDAQ	ALTR	Tue, Mar 3, 2015	37.35	37.45	36.50	36.55
949	NASDAQ	ALTR	Mon, Mar 2, 2015	36.80	37.60	36.46	37.54
948	NASDAQ	ALTR	Fri, Feb 27, 2015	36.72	37.14	36.72	37.01
947	NASDAQ	ALTR	Thu, Feb 26, 2015	36.83	36.83	36.36	36.62
946	NASDAQ	ALTR	Wed, Feb 25, 2015	36.81	36.81	36.45	36.72
945	NASDAQ	ALTR	Tue, Feb 24, 2015	35.92	36.82	35.71	36.80
944	NASDAQ	ALTR	Mon, Feb 23, 2015	36.08	36.15	35.69	35.91
943	NASDAQ	ALTR	Fri, Feb 20, 2015	35.76	36.16	35.57	36.14
942	NASDAQ	ALTR	Thu, Feb 19, 2015	35.76	35.87	35.32	35.79
941	NASDAQ	ALTR	Wed, Feb 18, 2015	36.04	36.09	35.72	35.80
940	NASDAQ	ALTR	Tue, Feb 17, 2015	35.67	36.25	35.42	36.24
939	NASDAQ	ALTR	Fri, Feb 13, 2015	35.30	35.74	35.19	35.66
938	NASDAQ	ALTR	Thu, Feb 12, 2015	34.45	35.21	34.31	35.21
937	NASDAQ	ALTR	Wed, Feb 11, 2015	34.37	34.44	34.13	34.30
936	NASDAQ	ALTR	Tue, Feb 10, 2015	33.98	34.37	33.77	34.34
935	NASDAQ	ALTR	Mon, Feb 9, 2015	34.05	34.10	33.65	33.76
934	NASDAQ	ALTR	Fri, Feb 6, 2015	33.60	34.38	33.57	34.13
933	NASDAQ	ALTR	Thu, Feb 5, 2015	33.83	33.97	33.57	33.88
932	NASDAQ	ALTR	Wed, Feb 4, 2015	33.88	34.11	33.63	33.82
931	NASDAQ	ALTR	Tue, Feb 3, 2015	33.55	34.19	33.47	34.06
930	NASDAQ	ALTR	Mon, Feb 2, 2015	33.00	33.61	32.67	33.46
929	NASDAQ	ALTR	Fri, Jan 30, 2015	33.15	33.53	32.88	32.93
928	NASDAQ	ALTR	Thu, Jan 29, 2015	33.21	33.78	32.92	33.50
927	NASDAQ	ALTR	Wed, Jan 28, 2015	33.97	34.18	33.18	33.19
926	NASDAQ	ALTR	Tue, Jan 27, 2015	33.70	34.22	33.58	33.60
925	NASDAQ	ALTR	Mon, Jan 26, 2015	34.26	34.30	33.91	34.00
924	NASDAQ	ALTR	Fri, Jan 23, 2015	34.15	34.78	33.90	34.26
923	NASDAQ	ALTR	Thu, Jan 22, 2015	33.78	35.37	33.78	35.19
922	NASDAQ	ALTR	Wed, Jan 21, 2015	33.36	34.95	33.26	34.73
921	NASDAQ	ALTR	Tue, Jan 20, 2015	34.95	35.18	34.72	34.99
920	NASDAQ	ALTR	Fri, Jan 16, 2015	33.90	34.92	33.86	34.84
919	NASDAQ	ALTR	Thu, Jan 15, 2015	34.17	34.56	33.97	33.98
918	NASDAQ	ALTR	Wed, Jan 14, 2015	35.34	35.54	34.00	34.18
917	NASDAQ	ALTR	Tue, Jan 13, 2015	36.35	36.65	35.19	35.52
916	NASDAQ	ALTR	Mon, Jan 12, 2015	37.05	37.46	35.97	36.13
915	NASDAQ	ALTR	Fri, Jan 9, 2015	37.04	37.49	36.84	36.96
914	NASDAQ	ALTR	Thu, Jan 8, 2015	36.30	37.14	36.30	37.03
913	NASDAQ	ALTR	Wed, Jan 7, 2015	36.26	36.57	35.98	36.17
912	NASDAQ	ALTR	Tue, Jan 6, 2015	36.81	36.91	36.13	36.16
911	NASDAQ	ALTR	Mon, Jan 5, 2015	37.01	37.13	36.70	36.73
910	NASDAQ	ALTR	Fri, Jan 2, 2015	37.12	37.49	36.77	37.10
909	NASDAQ	ALTR	Wed, Dec 31, 2014	37.57	37.72	36.94	36.94
908	NASDAQ	ALTR	Tue, Dec 30, 2014	37.53	37.70	37.32	37.37
907	NASDAQ	ALTR	Mon, Dec 29, 2014	38.08	38.17	37.68	37.70
906	NASDAQ	ALTR	Fri, Dec 26, 2014	38.18	38.37	37.98	38.27
905	NASDAQ	ALTR	Wed, Dec 24, 2014	37.89	38.13	37.70	37.97
904	NASDAQ	ALTR	Tue, Dec 23, 2014	38.48	38.65	37.67	37.74
903	NASDAQ	ALTR	Mon, Dec 22, 2014	37.31	38.01	37.30	38.01
902	NASDAQ	ALTR	Fri, Dec 19, 2014	37.30	37.63	36.67	37.22
901	NASDAQ	ALTR	Thu, Dec 18, 2014	38.00	38.00	37.30	37.49
900	NASDAQ	ALTR	Wed, Dec 17, 2014	37.04	37.47	36.75	37.41
899	NASDAQ	ALTR	Tue, Dec 16, 2014	37.41	37.71	37.03	37.04
898	NASDAQ	ALTR	Mon, Dec 15, 2014	37.32	37.72	36.82	37.21
897	NASDAQ	ALTR	Fri, Dec 12, 2014	37.32	37.69	37.03	37.04
896	NASDAQ	ALTR	Thu, Dec 11, 2014	37.52	38.34	37.39	37.68
895	NASDAQ	ALTR	Wed, Dec 10, 2014	37.41	37.91	37.11	37.14
894	NASDAQ	ALTR	Tue, Dec 9, 2014	37.49	37.79	37.34	37.60
893	NASDAQ	ALTR	Mon, Dec 8, 2014	37.86	38.25	37.50	37.84
892	NASDAQ	ALTR	Fri, Dec 5, 2014	37.50	37.93	37.38	37.93
891	NASDAQ	ALTR	Thu, Dec 4, 2014	37.55	37.82	37.36	37.50
890	NASDAQ	ALTR	Wed, Dec 3, 2014	37.42	37.69	37.05	37.63
889	NASDAQ	ALTR	Tue, Dec 2, 2014	37.05	37.35	36.82	37.32
888	NASDAQ	ALTR	Mon, Dec 1, 2014	37.47	37.61	36.94	37.05
887	NASDAQ	ALTR	Fri, Nov 28, 2014	37.31	37.67	37.10	37.62
886	NASDAQ	ALTR	Wed, Nov 26, 2014	36.43	37.25	36.43	37.24
885	NASDAQ	ALTR	Tue, Nov 25, 2014	36.58	36.68	36.32	36.39
884	NASDAQ	ALTR	Mon, Nov 24, 2014	36.30	36.63	36.13	36.53
883	NASDAQ	ALTR	Fri, Nov 21, 2014	36.05	36.36	35.72	36.32
882	NASDAQ	ALTR	Thu, Nov 20, 2014	35.49	35.99	35.49	35.84
881	NASDAQ	ALTR	Wed, Nov 19, 2014	36.33	36.33	35.62	35.73
880	NASDAQ	ALTR	Tue, Nov 18, 2014	35.24	36.32	35.23	36.19
879	NASDAQ	ALTR	Mon, Nov 17, 2014	35.16	35.29	34.93	35.25
878	NASDAQ	ALTR	Fri, Nov 14, 2014	35.00	35.26	34.68	35.25
877	NASDAQ	ALTR	Thu, Nov 13, 2014	35.06	35.18	35.02	35.02
876	NASDAQ	ALTR	Wed, Nov 12, 2014	34.95	35.09	34.76	34.94
875	NASDAQ	ALTR	Tue, Nov 11, 2014	35.24	35.36	34.95	35.02
874	NASDAQ	ALTR	Mon, Nov 10, 2014	35.07	35.46	35.07	35.19
873	NASDAQ	ALTR	Fri, Nov 7, 2014	35.22	35.26	34.81	35.23
872	NASDAQ	ALTR	Thu, Nov 6, 2014	35.17	35.53	34.96	35.15
871	NASDAQ	ALTR	Wed, Nov 5, 2014	35.00	35.42	34.74	35.35
870	NASDAQ	ALTR	Tue, Nov 4, 2014	34.70	34.89	34.38	34.81
869	NASDAQ	ALTR	Mon, Nov 3, 2014	34.32	34.82	34.28	34.75
868	NASDAQ	ALTR	Fri, Oct 31, 2014	34.16	34.83	34.03	34.37
867	NASDAQ	ALTR	Thu, Oct 30, 2014	33.54	33.61	32.69	33.50
866	NASDAQ	ALTR	Wed, Oct 29, 2014	33.55	33.82	33.27	33.72
865	NASDAQ	ALTR	Tue, Oct 28, 2014	33.46	33.68	33.30	33.65
864	NASDAQ	ALTR	Mon, Oct 27, 2014	33.16	33.42	32.71	33.33
863	NASDAQ	ALTR	Fri, Oct 24, 2014	33.40	33.58	32.11	33.16
862	NASDAQ	ALTR	Thu, Oct 23, 2014	33.21	33.77	33.04	33.74
861	NASDAQ	ALTR	Wed, Oct 22, 2014	33.68	33.82	32.94	33.03
860	NASDAQ	ALTR	Tue, Oct 21, 2014	33.18	33.73	33.00	33.71
859	NASDAQ	ALTR	Mon, Oct 20, 2014	32.32	33.27	32.24	33.03
858	NASDAQ	ALTR	Fri, Oct 17, 2014	32.00	33.09	32.00	32.52
857	NASDAQ	ALTR	Thu, Oct 16, 2014	30.94	32.27	30.80	31.68
856	NASDAQ	ALTR	Wed, Oct 15, 2014	30.58	31.80	30.51	31.53
855	NASDAQ	ALTR	Tue, Oct 14, 2014	31.30	31.73	30.76	30.86
854	NASDAQ	ALTR	Mon, Oct 13, 2014	31.13	31.76	30.59	30.83
853	NASDAQ	ALTR	Fri, Oct 10, 2014	31.98	32.00	30.47	31.21
852	NASDAQ	ALTR	Thu, Oct 9, 2014	33.51	33.52	32.59	32.64
851	NASDAQ	ALTR	Wed, Oct 8, 2014	33.07	33.82	32.56	33.69
850	NASDAQ	ALTR	Tue, Oct 7, 2014	33.47	33.68	33.04	33.16
849	NASDAQ	ALTR	Mon, Oct 6, 2014	34.43	34.53	33.23	33.65
848	NASDAQ	ALTR	Fri, Oct 3, 2014	34.99	35.02	34.30	34.31
847	NASDAQ	ALTR	Thu, Oct 2, 2014	35.02	35.01	34.13	34.84
846	NASDAQ	ALTR	Wed, Oct 1, 2014	35.61	35.90	34.97	35.08
845	NASDAQ	ALTR	Tue, Sep 30, 2014	35.97	36.01	35.56	35.78
844	NASDAQ	ALTR	Mon, Sep 29, 2014	35.74	36.06	35.50	35.93
843	NASDAQ	ALTR	Fri, Sep 26, 2014	35.66	36.10	35.66	36.02
842	NASDAQ	ALTR	Thu, Sep 25, 2014	36.23	36.27	35.63	35.64
841	NASDAQ	ALTR	Wed, Sep 24, 2014	36.12	36.38	36.03	36.26
840	NASDAQ	ALTR	Tue, Sep 23, 2014	36.00	36.28	35.94	36.02
839	NASDAQ	ALTR	Mon, Sep 22, 2014	36.39	36.58	35.94	36.08
838	NASDAQ	ALTR	Fri, Sep 19, 2014	37.33	37.63	36.48	36.48
837	NASDAQ	ALTR	Thu, Sep 18, 2014	36.73	37.13	36.70	37.07
836	NASDAQ	ALTR	Wed, Sep 17, 2014	36.28	36.90	36.21	36.67
835	NASDAQ	ALTR	Tue, Sep 16, 2014	35.10	36.30	35.10	36.25
834	NASDAQ	ALTR	Mon, Sep 15, 2014	35.70	35.70	34.99	35.07
833	NASDAQ	ALTR	Fri, Sep 12, 2014	35.85	35.85	35.38	35.50
832	NASDAQ	ALTR	Thu, Sep 11, 2014	35.73	35.96	35.48	35.90
831	NASDAQ	ALTR	Wed, Sep 10, 2014	36.31	36.29	35.76	35.88
830	NASDAQ	ALTR	Tue, Sep 9, 2014	36.09	36.54	36.09	36.20
829	NASDAQ	ALTR	Mon, Sep 8, 2014	35.82	36.38	35.82	36.28
828	NASDAQ	ALTR	Fri, Sep 5, 2014	35.68	35.93	35.39	35.92
827	NASDAQ	ALTR	Thu, Sep 4, 2014	35.34	35.62	35.30	35.56
826	NASDAQ	ALTR	Wed, Sep 3, 2014	35.47	35.50	35.23	35.40
825	NASDAQ	ALTR	Tue, Sep 2, 2014	35.46	35.48	35.19	35.38
824	NASDAQ	ALTR	Fri, Aug 29, 2014	35.25	35.34	35.08	35.34
823	NASDAQ	ALTR	Thu, Aug 28, 2014	34.57	35.15	34.57	35.14
822	NASDAQ	ALTR	Wed, Aug 27, 2014	34.64	34.86	34.58	34.86
821	NASDAQ	ALTR	Tue, Aug 26, 2014	34.70	34.86	34.58	34.64
820	NASDAQ	ALTR	Mon, Aug 25, 2014	35.04	35.04	34.48	34.61
819	NASDAQ	ALTR	Fri, Aug 22, 2014	34.93	35.00	34.77	34.89
818	NASDAQ	ALTR	Thu, Aug 21, 2014	34.64	34.93	34.56	34.87
817	NASDAQ	ALTR	Wed, Aug 20, 2014	34.38	34.73	34.33	34.65
816	NASDAQ	ALTR	Tue, Aug 19, 2014	34.12	34.53	34.08	34.49
815	NASDAQ	ALTR	Mon, Aug 18, 2014	34.19	34.19	33.93	34.15
814	NASDAQ	ALTR	Fri, Aug 15, 2014	33.86	34.17	33.74	34.03
813	NASDAQ	ALTR	Thu, Aug 14, 2014	33.50	33.69	33.45	33.65
812	NASDAQ	ALTR	Wed, Aug 13, 2014	33.03	33.58	32.90	33.55
811	NASDAQ	ALTR	Tue, Aug 12, 2014	32.94	33.26	32.92	33.18
810	NASDAQ	ALTR	Mon, Aug 11, 2014	33.13	33.55	33.08	33.16
809	NASDAQ	ALTR	Fri, Aug 8, 2014	32.82	33.14	32.74	33.10
808	NASDAQ	ALTR	Thu, Aug 7, 2014	33.13	33.25	32.58	32.67
807	NASDAQ	ALTR	Wed, Aug 6, 2014	32.78	33.08	32.50	32.83
806	NASDAQ	ALTR	Tue, Aug 5, 2014	32.72	32.95	32.51	32.90
805	NASDAQ	ALTR	Mon, Aug 4, 2014	32.76	32.89	32.51	32.79
804	NASDAQ	ALTR	Fri, Aug 1, 2014	32.50	32.85	32.42	32.78
803	NASDAQ	ALTR	Thu, Jul 31, 2014	33.03	33.18	32.66	32.72
802	NASDAQ	ALTR	Wed, Jul 30, 2014	33.22	33.43	33.01	33.35
801	NASDAQ	ALTR	Tue, Jul 29, 2014	33.11	33.46	33.04	33.05
800	NASDAQ	ALTR	Mon, Jul 28, 2014	33.49	33.51	32.91	33.02
799	NASDAQ	ALTR	Fri, Jul 25, 2014	34.08	34.32	33.32	33.48
798	NASDAQ	ALTR	Thu, Jul 24, 2014	33.75	34.24	33.54	34.04
797	NASDAQ	ALTR	Wed, Jul 23, 2014	33.59	34.32	33.24	33.59
796	NASDAQ	ALTR	Tue, Jul 22, 2014	35.20	35.44	35.01	35.02
795	NASDAQ	ALTR	Mon, Jul 21, 2014	34.92	35.37	34.92	35.19
794	NASDAQ	ALTR	Fri, Jul 18, 2014	34.72	35.01	34.51	34.97
793	NASDAQ	ALTR	Thu, Jul 17, 2014	34.54	35.00	34.48	34.50
792	NASDAQ	ALTR	Wed, Jul 16, 2014	34.88	35.20	34.81	34.93
791	NASDAQ	ALTR	Tue, Jul 15, 2014	34.98	35.15	34.57	34.78
790	NASDAQ	ALTR	Mon, Jul 14, 2014	35.08	35.17	34.82	34.93
789	NASDAQ	ALTR	Fri, Jul 11, 2014	35.17	35.21	34.79	34.91
788	NASDAQ	ALTR	Thu, Jul 10, 2014	34.82	35.30	34.70	35.11
787	NASDAQ	ALTR	Wed, Jul 9, 2014	35.50	35.55	35.07	35.34
786	NASDAQ	ALTR	Tue, Jul 8, 2014	35.50	35.54	35.24	35.36
785	NASDAQ	ALTR	Mon, Jul 7, 2014	35.65	35.71	35.43	35.64
784	NASDAQ	ALTR	Thu, Jul 3, 2014	35.48	35.75	35.31	35.66
783	NASDAQ	ALTR	Wed, Jul 2, 2014	35.24	35.47	35.17	35.36
782	NASDAQ	ALTR	Tue, Jul 1, 2014	34.92	35.43	34.77	35.38
781	NASDAQ	ALTR	Mon, Jun 30, 2014	34.56	34.80	34.48	34.76
780	NASDAQ	ALTR	Fri, Jun 27, 2014	34.49	34.50	34.24	34.49
779	NASDAQ	ALTR	Thu, Jun 26, 2014	34.83	34.83	34.10	34.49
778	NASDAQ	ALTR	Wed, Jun 25, 2014	34.52	34.81	34.49	34.71
777	NASDAQ	ALTR	Tue, Jun 24, 2014	34.91	35.10	34.60	34.69
776	NASDAQ	ALTR	Mon, Jun 23, 2014	35.08	35.17	34.83	34.93
775	NASDAQ	ALTR	Fri, Jun 20, 2014	34.95	35.21	34.71	35.04
774	NASDAQ	ALTR	Thu, Jun 19, 2014	35.32	35.32	34.71	35.07
773	NASDAQ	ALTR	Wed, Jun 18, 2014	34.83	34.91	34.42	34.71
772	NASDAQ	ALTR	Tue, Jun 17, 2014	34.39	34.94	34.38	34.86
771	NASDAQ	ALTR	Mon, Jun 16, 2014	33.98	34.53	33.90	34.52
770	NASDAQ	ALTR	Fri, Jun 13, 2014	34.04	34.25	33.88	34.00
769	NASDAQ	ALTR	Thu, Jun 12, 2014	33.80	34.04	33.74	33.96
768	NASDAQ	ALTR	Wed, Jun 11, 2014	33.83	34.03	33.70	33.94
767	NASDAQ	ALTR	Tue, Jun 10, 2014	33.62	33.93	33.47	33.89
766	NASDAQ	ALTR	Mon, Jun 9, 2014	33.75	34.17	33.61	33.67
765	NASDAQ	ALTR	Fri, Jun 6, 2014	34.00	34.01	33.76	33.82
764	NASDAQ	ALTR	Thu, Jun 5, 2014	33.66	33.93	33.43	33.88
763	NASDAQ	ALTR	Wed, Jun 4, 2014	33.21	33.71	33.21	33.52
762	NASDAQ	ALTR	Tue, Jun 3, 2014	33.00	33.48	32.99	33.38
761	NASDAQ	ALTR	Mon, Jun 2, 2014	33.18	33.21	32.62	33.11
760	NASDAQ	ALTR	Fri, May 30, 2014	33.33	33.34	32.82	33.13
759	NASDAQ	ALTR	Thu, May 29, 2014	33.27	33.40	33.12	33.25
758	NASDAQ	ALTR	Wed, May 28, 2014	33.26	33.44	33.09	33.25
757	NASDAQ	ALTR	Tue, May 27, 2014	33.47	33.50	33.16	33.27
756	NASDAQ	ALTR	Fri, May 23, 2014	33.12	33.35	33.08	33.31
755	NASDAQ	ALTR	Thu, May 22, 2014	33.00	33.16	32.74	33.14
754	NASDAQ	ALTR	Wed, May 21, 2014	33.03	33.22	32.87	33.00
753	NASDAQ	ALTR	Tue, May 20, 2014	33.15	33.22	32.82	32.97
752	NASDAQ	ALTR	Mon, May 19, 2014	33.09	33.50	32.99	33.15
751	NASDAQ	ALTR	Fri, May 16, 2014	32.33	32.92	32.27	32.77
750	NASDAQ	ALTR	Thu, May 15, 2014	32.62	32.75	32.05	32.50
749	NASDAQ	ALTR	Wed, May 14, 2014	32.58	32.88	32.38	32.43
748	NASDAQ	ALTR	Tue, May 13, 2014	32.81	33.00	32.59	32.61
747	NASDAQ	ALTR	Mon, May 12, 2014	32.53	32.92	32.53	32.81
746	NASDAQ	ALTR	Fri, May 9, 2014	32.16	32.47	31.88	32.38
745	NASDAQ	ALTR	Thu, May 8, 2014	32.01	32.84	32.01	32.15
744	NASDAQ	ALTR	Wed, May 7, 2014	32.13	32.34	31.89	32.32
743	NASDAQ	ALTR	Tue, May 6, 2014	32.45	32.51	32.08	32.10
742	NASDAQ	ALTR	Mon, May 5, 2014	31.92	32.54	31.82	32.47
741	NASDAQ	ALTR	Fri, May 2, 2014	32.17	32.25	31.78	32.13
740	NASDAQ	ALTR	Thu, May 1, 2014	33.03	33.03	32.03	32.08
739	NASDAQ	ALTR	Wed, Apr 30, 2014	32.49	32.70	32.28	32.52
738	NASDAQ	ALTR	Tue, Apr 29, 2014	32.74	32.96	32.37	32.64
737	NASDAQ	ALTR	Mon, Apr 28, 2014	33.43	33.47	32.13	32.56
736	NASDAQ	ALTR	Fri, Apr 25, 2014	35.46	35.50	32.67	33.09
735	NASDAQ	ALTR	Thu, Apr 24, 2014	33.51	34.38	33.48	34.14
734	NASDAQ	ALTR	Wed, Apr 23, 2014	34.68	34.79	34.32	34.36
733	NASDAQ	ALTR	Tue, Apr 22, 2014	34.47	34.92	34.20	34.74
732	NASDAQ	ALTR	Mon, Apr 21, 2014	34.52	34.72	34.15	34.62
731	NASDAQ	ALTR	Thu, Apr 17, 2014	33.96	34.79	33.96	34.46
730	NASDAQ	ALTR	Wed, Apr 16, 2014	34.28	34.29	33.55	33.98
729	NASDAQ	ALTR	Tue, Apr 15, 2014	33.96	34.26	33.63	34.11
728	NASDAQ	ALTR	Mon, Apr 14, 2014	34.16	34.24	33.53	33.96
727	NASDAQ	ALTR	Fri, Apr 11, 2014	34.26	34.53	33.73	33.81
726	NASDAQ	ALTR	Thu, Apr 10, 2014	35.33	35.53	34.42	34.45
725	NASDAQ	ALTR	Wed, Apr 9, 2014	35.16	35.44	34.99	35.37
724	NASDAQ	ALTR	Tue, Apr 8, 2014	34.47	35.08	34.30	35.07
723	NASDAQ	ALTR	Mon, Apr 7, 2014	34.87	35.09	34.28	34.51
722	NASDAQ	ALTR	Fri, Apr 4, 2014	36.56	36.64	34.86	34.91
721	NASDAQ	ALTR	Thu, Apr 3, 2014	36.37	37.16	36.20	36.40
720	NASDAQ	ALTR	Wed, Apr 2, 2014	36.48	36.54	36.01	36.10
719	NASDAQ	ALTR	Tue, Apr 1, 2014	36.52	36.52	36.02	36.43
718	NASDAQ	ALTR	Mon, Mar 31, 2014	35.65	36.24	35.65	36.24
717	NASDAQ	ALTR	Fri, Mar 28, 2014	35.09	36.09	34.96	35.45
716	NASDAQ	ALTR	Thu, Mar 27, 2014	35.80	36.08	35.56	35.63
715	NASDAQ	ALTR	Wed, Mar 26, 2014	36.60	36.77	35.91	35.91
714	NASDAQ	ALTR	Tue, Mar 25, 2014	36.01	36.64	35.96	36.43
713	NASDAQ	ALTR	Mon, Mar 24, 2014	36.32	36.51	35.65	35.76
712	NASDAQ	ALTR	Fri, Mar 21, 2014	37.37	37.56	36.16	36.35
711	NASDAQ	ALTR	Thu, Mar 20, 2014	36.30	37.05	36.25	37.04
710	NASDAQ	ALTR	Wed, Mar 19, 2014	35.94	36.32	35.74	35.99
709	NASDAQ	ALTR	Tue, Mar 18, 2014	35.63	35.97	35.41	35.96
708	NASDAQ	ALTR	Mon, Mar 17, 2014	35.60	35.80	35.43	35.51
707	NASDAQ	ALTR	Fri, Mar 14, 2014	35.53	35.93	35.27	35.29
706	NASDAQ	ALTR	Thu, Mar 13, 2014	36.16	36.32	35.34	35.51
705	NASDAQ	ALTR	Wed, Mar 12, 2014	35.79	36.05	35.62	36.00
704	NASDAQ	ALTR	Tue, Mar 11, 2014	36.53	36.70	35.84	35.97
703	NASDAQ	ALTR	Mon, Mar 10, 2014	36.56	36.71	36.34	36.44
702	NASDAQ	ALTR	Fri, Mar 7, 2014	36.46	36.66	36.20	36.53
701	NASDAQ	ALTR	Thu, Mar 6, 2014	36.48	36.71	36.23	36.29
700	NASDAQ	ALTR	Wed, Mar 5, 2014	36.50	36.50	36.12	36.41
699	NASDAQ	ALTR	Tue, Mar 4, 2014	36.15	36.68	35.83	36.60
698	NASDAQ	ALTR	Mon, Mar 3, 2014	35.69	36.20	35.38	35.82
697	NASDAQ	ALTR	Fri, Feb 28, 2014	36.33	36.69	36.05	36.31
696	NASDAQ	ALTR	Thu, Feb 27, 2014	36.46	36.46	36.03	36.22
695	NASDAQ	ALTR	Wed, Feb 26, 2014	35.85	36.41	35.79	36.14
694	NASDAQ	ALTR	Tue, Feb 25, 2014	36.02	36.18	35.73	35.90
693	NASDAQ	ALTR	Mon, Feb 24, 2014	35.84	36.15	35.70	35.91
692	NASDAQ	ALTR	Fri, Feb 21, 2014	35.78	35.89	35.50	35.70
691	NASDAQ	ALTR	Thu, Feb 20, 2014	35.79	35.82	35.27	35.65
690	NASDAQ	ALTR	Wed, Feb 19, 2014	34.88	35.82	34.80	35.75
689	NASDAQ	ALTR	Tue, Feb 18, 2014	34.61	34.97	34.41	34.89
688	NASDAQ	ALTR	Fri, Feb 14, 2014	34.75	34.97	34.55	34.76
687	NASDAQ	ALTR	Thu, Feb 13, 2014	34.60	35.05	34.37	34.73
686	NASDAQ	ALTR	Wed, Feb 12, 2014	34.40	34.92	34.24	34.72
685	NASDAQ	ALTR	Tue, Feb 11, 2014	33.88	34.55	33.82	34.39
684	NASDAQ	ALTR	Mon, Feb 10, 2014	33.60	34.06	33.53	33.91
683	NASDAQ	ALTR	Fri, Feb 7, 2014	33.25	33.71	33.01	33.69
682	NASDAQ	ALTR	Thu, Feb 6, 2014	32.33	33.10	32.33	33.08
681	NASDAQ	ALTR	Wed, Feb 5, 2014	32.35	32.63	32.01	32.34
680	NASDAQ	ALTR	Tue, Feb 4, 2014	32.74	32.79	32.41	32.51
679	NASDAQ	ALTR	Mon, Feb 3, 2014	33.38	33.38	32.46	32.53
678	NASDAQ	ALTR	Fri, Jan 31, 2014	33.19	33.69	33.00	33.43
677	NASDAQ	ALTR	Thu, Jan 30, 2014	33.23	33.66	32.87	33.54
676	NASDAQ	ALTR	Wed, Jan 29, 2014	32.20	33.28	32.09	32.97
675	NASDAQ	ALTR	Tue, Jan 28, 2014	31.87	32.36	31.77	32.35
674	NASDAQ	ALTR	Mon, Jan 27, 2014	32.09	32.27	31.76	31.88
673	NASDAQ	ALTR	Fri, Jan 24, 2014	33.50	33.50	32.04	32.12
672	NASDAQ	ALTR	Thu, Jan 23, 2014	33.03	33.13	32.68	32.93
671	NASDAQ	ALTR	Wed, Jan 22, 2014	33.00	33.47	32.60	33.32
670	NASDAQ	ALTR	Tue, Jan 21, 2014	33.46	33.50	33.00	33.06
669	NASDAQ	ALTR	Fri, Jan 17, 2014	31.88	32.70	31.77	32.40
668	NASDAQ	ALTR	Thu, Jan 16, 2014	32.24	32.41	31.85	32.00
667	NASDAQ	ALTR	Wed, Jan 15, 2014	32.11	32.41	31.98	32.25
666	NASDAQ	ALTR	Tue, Jan 14, 2014	31.56	31.96	31.47	31.81
665	NASDAQ	ALTR	Mon, Jan 13, 2014	31.36	31.94	31.32	31.38
664	NASDAQ	ALTR	Fri, Jan 10, 2014	31.62	31.66	31.05	31.47
663	NASDAQ	ALTR	Thu, Jan 9, 2014	31.97	31.97	31.24	31.46
662	NASDAQ	ALTR	Wed, Jan 8, 2014	32.28	32.32	31.70	31.78
661	NASDAQ	ALTR	Tue, Jan 7, 2014	32.19	32.31	31.96	32.14
660	NASDAQ	ALTR	Mon, Jan 6, 2014	32.29	32.35	31.86	31.98
659	NASDAQ	ALTR	Fri, Jan 3, 2014	32.11	32.25	31.93	32.17
658	NASDAQ	ALTR	Thu, Jan 2, 2014	31.93	32.33	31.79	32.02
657	NASDAQ	ALTR	Tue, Dec 31, 2013	32.58	32.58	32.36	32.51
656	NASDAQ	ALTR	Mon, Dec 30, 2013	32.33	32.56	32.21	32.44
655	NASDAQ	ALTR	Fri, Dec 27, 2013	32.27	32.44	32.15	32.39
654	NASDAQ	ALTR	Thu, Dec 26, 2013	31.87	32.30	31.87	32.18
653	NASDAQ	ALTR	Tue, Dec 24, 2013	31.91	32.17	31.91	32.10
652	NASDAQ	ALTR	Mon, Dec 23, 2013	31.65	32.14	31.64	31.98
651	NASDAQ	ALTR	Fri, Dec 20, 2013	31.34	31.67	31.32	31.50
650	NASDAQ	ALTR	Thu, Dec 19, 2013	31.53	31.75	31.14	31.26
649	NASDAQ	ALTR	Wed, Dec 18, 2013	31.58	31.93	31.30	31.84
648	NASDAQ	ALTR	Tue, Dec 17, 2013	31.03	31.76	31.03	31.58
647	NASDAQ	ALTR	Mon, Dec 16, 2013	30.99	31.30	30.92	31.11
646	NASDAQ	ALTR	Fri, Dec 13, 2013	31.22	31.40	30.73	30.83
645	NASDAQ	ALTR	Thu, Dec 12, 2013	31.26	31.50	31.07	31.09
644	NASDAQ	ALTR	Wed, Dec 11, 2013	31.45	31.49	31.08	31.10
643	NASDAQ	ALTR	Tue, Dec 10, 2013	31.62	31.80	31.34	31.41
642	NASDAQ	ALTR	Mon, Dec 9, 2013	32.19	32.35	31.83	31.85
641	NASDAQ	ALTR	Fri, Dec 6, 2013	32.23	32.41	32.00	32.12
640	NASDAQ	ALTR	Thu, Dec 5, 2013	31.96	32.06	31.73	31.86
639	NASDAQ	ALTR	Wed, Dec 4, 2013	31.79	32.38	31.54	31.97
638	NASDAQ	ALTR	Tue, Dec 3, 2013	31.85	32.48	31.84	31.88
637	NASDAQ	ALTR	Mon, Dec 2, 2013	31.80	32.13	31.53	32.05
636	NASDAQ	ALTR	Fri, Nov 29, 2013	32.54	32.67	32.23	32.25
635	NASDAQ	ALTR	Wed, Nov 27, 2013	32.02	32.59	31.86	32.52
634	NASDAQ	ALTR	Tue, Nov 26, 2013	32.21	32.36	32.07	32.09
633	NASDAQ	ALTR	Mon, Nov 25, 2013	32.17	32.45	31.84	32.24
632	NASDAQ	ALTR	Fri, Nov 22, 2013	31.99	32.38	31.81	32.34
631	NASDAQ	ALTR	Thu, Nov 21, 2013	31.52	32.04	31.44	32.01
630	NASDAQ	ALTR	Wed, Nov 20, 2013	31.16	31.82	31.06	31.35
629	NASDAQ	ALTR	Tue, Nov 19, 2013	32.04	32.28	30.99	31.06
628	NASDAQ	ALTR	Mon, Nov 18, 2013	33.00	33.00	32.31	32.47
627	NASDAQ	ALTR	Fri, Nov 15, 2013	32.48	32.81	32.29	32.72
626	NASDAQ	ALTR	Thu, Nov 14, 2013	32.91	33.00	32.35	32.48
625	NASDAQ	ALTR	Wed, Nov 13, 2013	34.48	34.48	32.83	33.18
624	NASDAQ	ALTR	Tue, Nov 12, 2013	32.78	33.29	32.78	33.16
623	NASDAQ	ALTR	Mon, Nov 11, 2013	33.25	33.41	32.81	32.93
622	NASDAQ	ALTR	Fri, Nov 8, 2013	33.24	33.63	33.15	33.39
621	NASDAQ	ALTR	Thu, Nov 7, 2013	33.08	33.48	32.95	33.13
620	NASDAQ	ALTR	Wed, Nov 6, 2013	33.02	33.30	32.96	33.11
619	NASDAQ	ALTR	Tue, Nov 5, 2013	33.17	33.26	32.88	32.97
618	NASDAQ	ALTR	Mon, Nov 4, 2013	33.23	33.61	33.23	33.30
617	NASDAQ	ALTR	Fri, Nov 1, 2013	33.73	33.98	33.08	33.17
616	NASDAQ	ALTR	Thu, Oct 31, 2013	33.29	34.09	33.29	33.61
615	NASDAQ	ALTR	Wed, Oct 30, 2013	33.86	33.92	33.10	33.48
614	NASDAQ	ALTR	Tue, Oct 29, 2013	33.50	33.95	33.44	33.86
613	NASDAQ	ALTR	Mon, Oct 28, 2013	33.21	33.62	33.07	33.45
612	NASDAQ	ALTR	Fri, Oct 25, 2013	33.40	33.55	33.06	33.13
611	NASDAQ	ALTR	Thu, Oct 24, 2013	32.52	33.32	32.38	33.18
610	NASDAQ	ALTR	Wed, Oct 23, 2013	33.98	34.04	32.01	32.30
609	NASDAQ	ALTR	Tue, Oct 22, 2013	37.68	37.74	37.16	37.32
608	NASDAQ	ALTR	Mon, Oct 21, 2013	37.47	37.65	37.36	37.46
607	NASDAQ	ALTR	Fri, Oct 18, 2013	37.69	37.69	37.26	37.48
606	NASDAQ	ALTR	Thu, Oct 17, 2013	36.86	38.00	36.76	37.83
605	NASDAQ	ALTR	Wed, Oct 16, 2013	36.80	37.18	36.62	37.03
604	NASDAQ	ALTR	Tue, Oct 15, 2013	37.17	37.24	36.64	36.70
603	NASDAQ	ALTR	Mon, Oct 14, 2013	36.94	37.37	36.90	37.31
602	NASDAQ	ALTR	Fri, Oct 11, 2013	36.45	37.36	36.45	37.19
601	NASDAQ	ALTR	Thu, Oct 10, 2013	36.09	36.75	35.98	36.73
600	NASDAQ	ALTR	Wed, Oct 9, 2013	36.16	36.29	35.47	35.79
599	NASDAQ	ALTR	Tue, Oct 8, 2013	36.51	36.80	35.94	36.09
598	NASDAQ	ALTR	Mon, Oct 7, 2013	36.37	36.86	36.33	36.52
597	NASDAQ	ALTR	Fri, Oct 4, 2013	36.76	37.23	36.65	36.87
596	NASDAQ	ALTR	Thu, Oct 3, 2013	36.85	37.00	36.36	36.66
595	NASDAQ	ALTR	Wed, Oct 2, 2013	36.84	37.01	36.62	36.84
594	NASDAQ	ALTR	Tue, Oct 1, 2013	37.12	37.44	36.90	37.00
593	NASDAQ	ALTR	Mon, Sep 30, 2013	36.61	37.37	36.47	37.16
592	NASDAQ	ALTR	Fri, Sep 27, 2013	37.10	37.20	36.93	36.96
591	NASDAQ	ALTR	Thu, Sep 26, 2013	37.51	37.75	37.20	37.30
590	NASDAQ	ALTR	Wed, Sep 25, 2013	37.32	37.64	37.00	37.37
589	NASDAQ	ALTR	Tue, Sep 24, 2013	37.37	37.71	37.16	37.36
588	NASDAQ	ALTR	Mon, Sep 23, 2013	37.63	37.82	37.09	37.31
587	NASDAQ	ALTR	Fri, Sep 20, 2013	37.92	38.04	37.56	37.60
586	NASDAQ	ALTR	Thu, Sep 19, 2013	38.28	38.35	37.88	37.98
585	NASDAQ	ALTR	Wed, Sep 18, 2013	37.90	38.18	37.33	38.14
584	NASDAQ	ALTR	Tue, Sep 17, 2013	38.16	38.48	38.02	38.18
583	NASDAQ	ALTR	Mon, Sep 16, 2013	38.95	39.18	37.75	37.85
582	NASDAQ	ALTR	Fri, Sep 13, 2013	38.82	38.95	38.55	38.67
581	NASDAQ	ALTR	Thu, Sep 12, 2013	38.68	38.81	38.40	38.80
580	NASDAQ	ALTR	Wed, Sep 11, 2013	38.53	38.97	38.24	38.70
579	NASDAQ	ALTR	Tue, Sep 10, 2013	38.29	38.90	38.12	38.65
578	NASDAQ	ALTR	Mon, Sep 9, 2013	37.72	38.03	37.64	37.98
577	NASDAQ	ALTR	Fri, Sep 6, 2013	37.75	37.77	37.04	37.57
576	NASDAQ	ALTR	Thu, Sep 5, 2013	37.37	37.52	37.02	37.46
575	NASDAQ	ALTR	Wed, Sep 4, 2013	35.90	37.31	35.86	37.23
574	NASDAQ	ALTR	Tue, Sep 3, 2013	35.53	36.22	35.50	35.88
573	NASDAQ	ALTR	Fri, Aug 30, 2013	35.72	35.72	35.05	35.17
572	NASDAQ	ALTR	Thu, Aug 29, 2013	34.83	35.98	34.79	35.69
571	NASDAQ	ALTR	Wed, Aug 28, 2013	34.53	34.92	34.51	34.79
570	NASDAQ	ALTR	Tue, Aug 27, 2013	34.83	35.13	34.46	34.53
569	NASDAQ	ALTR	Mon, Aug 26, 2013	35.35	35.62	35.14	35.15
568	NASDAQ	ALTR	Fri, Aug 23, 2013	34.62	34.79	34.31	34.66
567	NASDAQ	ALTR	Thu, Aug 22, 2013	34.65	34.79	34.30	34.58
566	NASDAQ	ALTR	Wed, Aug 21, 2013	34.72	35.00	34.38	34.67
565	NASDAQ	ALTR	Tue, Aug 20, 2013	34.73	35.14	34.58	34.71
564	NASDAQ	ALTR	Mon, Aug 19, 2013	35.02	35.31	34.78	34.78
563	NASDAQ	ALTR	Fri, Aug 16, 2013	34.69	35.25	34.63	35.00
562	NASDAQ	ALTR	Thu, Aug 15, 2013	34.66	35.07	34.54	34.69
561	NASDAQ	ALTR	Wed, Aug 14, 2013	36.13	36.25	35.52	35.56
560	NASDAQ	ALTR	Tue, Aug 13, 2013	36.23	36.51	35.85	36.30
559	NASDAQ	ALTR	Mon, Aug 12, 2013	35.87	36.27	35.87	36.12
558	NASDAQ	ALTR	Fri, Aug 9, 2013	36.17	36.28	35.90	36.01
557	NASDAQ	ALTR	Thu, Aug 8, 2013	36.34	36.36	35.97	36.26
556	NASDAQ	ALTR	Wed, Aug 7, 2013	36.06	36.33	35.90	36.15
555	NASDAQ	ALTR	Tue, Aug 6, 2013	36.15	36.51	36.03	36.22
554	NASDAQ	ALTR	Mon, Aug 5, 2013	36.23	36.41	36.12	36.18
553	NASDAQ	ALTR	Fri, Aug 2, 2013	36.28	36.46	35.97	36.41
552	NASDAQ	ALTR	Thu, Aug 1, 2013	36.13	36.52	35.69	36.47
551	NASDAQ	ALTR	Wed, Jul 31, 2013	35.37	35.80	35.32	35.56
550	NASDAQ	ALTR	Tue, Jul 30, 2013	35.17	35.45	35.08	35.19
549	NASDAQ	ALTR	Mon, Jul 29, 2013	34.96	35.35	34.81	34.90
548	NASDAQ	ALTR	Fri, Jul 26, 2013	34.82	35.01	34.57	34.99
547	NASDAQ	ALTR	Thu, Jul 25, 2013	34.89	35.36	34.86	35.20
546	NASDAQ	ALTR	Wed, Jul 24, 2013	36.07	36.35	34.98	35.11
545	NASDAQ	ALTR	Tue, Jul 23, 2013	35.84	35.90	35.41	35.47
544	NASDAQ	ALTR	Mon, Jul 22, 2013	35.86	36.00	35.29	35.56
543	NASDAQ	ALTR	Fri, Jul 19, 2013	35.66	35.66	35.29	35.51
542	NASDAQ	ALTR	Thu, Jul 18, 2013	35.70	36.29	35.40	35.66
541	NASDAQ	ALTR	Wed, Jul 17, 2013	34.97	35.36	34.88	35.08
540	NASDAQ	ALTR	Tue, Jul 16, 2013	34.85	35.12	34.80	34.90
539	NASDAQ	ALTR	Mon, Jul 15, 2013	35.18	35.19	34.73	34.81
538	NASDAQ	ALTR	Fri, Jul 12, 2013	34.78	35.19	34.72	35.05
537	NASDAQ	ALTR	Thu, Jul 11, 2013	34.13	34.60	34.10	34.50
536	NASDAQ	ALTR	Wed, Jul 10, 2013	33.50	33.88	33.41	33.84
535	NASDAQ	ALTR	Tue, Jul 9, 2013	33.30	33.65	33.21	33.58
534	NASDAQ	ALTR	Mon, Jul 8, 2013	33.81	33.91	32.82	33.03
533	NASDAQ	ALTR	Fri, Jul 5, 2013	33.33	33.78	33.18	33.69
532	NASDAQ	ALTR	Wed, Jul 3, 2013	32.82	33.40	32.74	33.26
531	NASDAQ	ALTR	Tue, Jul 2, 2013	33.03	33.46	32.65	32.96
530	NASDAQ	ALTR	Mon, Jul 1, 2013	33.14	33.58	32.93	33.16
529	NASDAQ	ALTR	Fri, Jun 28, 2013	32.79	33.37	32.75	32.99
528	NASDAQ	ALTR	Thu, Jun 27, 2013	32.88	33.31	32.65	33.03
527	NASDAQ	ALTR	Wed, Jun 26, 2013	32.82	32.96	32.39	32.72
526	NASDAQ	ALTR	Tue, Jun 25, 2013	32.19	32.69	31.95	32.61
525	NASDAQ	ALTR	Mon, Jun 24, 2013	31.80	32.01	31.47	31.80
524	NASDAQ	ALTR	Fri, Jun 21, 2013	31.79	32.21	31.68	31.99
523	NASDAQ	ALTR	Thu, Jun 20, 2013	32.19	32.19	31.57	31.79
522	NASDAQ	ALTR	Wed, Jun 19, 2013	32.85	33.05	32.44	32.50
521	NASDAQ	ALTR	Tue, Jun 18, 2013	32.83	33.15	32.83	32.93
520	NASDAQ	ALTR	Mon, Jun 17, 2013	32.60	33.13	32.55	32.86
519	NASDAQ	ALTR	Fri, Jun 14, 2013	32.55	32.88	32.17	32.29
518	NASDAQ	ALTR	Thu, Jun 13, 2013	31.52	32.57	31.42	32.49
517	NASDAQ	ALTR	Wed, Jun 12, 2013	32.30	32.52	31.42	31.50
516	NASDAQ	ALTR	Tue, Jun 11, 2013	32.33	32.64	32.03	32.15
515	NASDAQ	ALTR	Mon, Jun 10, 2013	32.65	32.75	32.24	32.63
514	NASDAQ	ALTR	Fri, Jun 7, 2013	32.10	32.67	31.68	32.61
513	NASDAQ	ALTR	Thu, Jun 6, 2013	33.16	33.26	31.97	32.00
512	NASDAQ	ALTR	Wed, Jun 5, 2013	33.45	33.65	32.87	33.04
511	NASDAQ	ALTR	Tue, Jun 4, 2013	33.90	34.15	33.59	33.67
510	NASDAQ	ALTR	Mon, Jun 3, 2013	33.37	33.63	32.82	33.13
509	NASDAQ	ALTR	Fri, May 31, 2013	33.31	33.73	33.19	33.22
508	NASDAQ	ALTR	Thu, May 30, 2013	33.34	33.77	33.27	33.58
507	NASDAQ	ALTR	Wed, May 29, 2013	33.03	33.43	32.78	33.32
506	NASDAQ	ALTR	Tue, May 28, 2013	33.30	33.49	32.98	33.06
505	NASDAQ	ALTR	Fri, May 24, 2013	32.50	32.94	32.34	32.94
504	NASDAQ	ALTR	Thu, May 23, 2013	32.65	32.81	32.29	32.71
503	NASDAQ	ALTR	Wed, May 22, 2013	33.82	33.91	32.52	32.80
502	NASDAQ	ALTR	Tue, May 21, 2013	33.89	34.02	33.70	33.91
501	NASDAQ	ALTR	Mon, May 20, 2013	33.88	34.23	33.83	33.90
500	NASDAQ	ALTR	Fri, May 17, 2013	33.53	34.11	33.38	34.11
499	NASDAQ	ALTR	Thu, May 16, 2013	33.45	33.88	33.27	33.30
498	NASDAQ	ALTR	Wed, May 15, 2013	32.75	33.41	32.71	33.20
497	NASDAQ	ALTR	Tue, May 14, 2013	32.77	33.04	32.44	32.88
496	NASDAQ	ALTR	Mon, May 13, 2013	33.04	33.04	32.75	32.81
495	NASDAQ	ALTR	Fri, May 10, 2013	33.11	33.20	32.79	33.05
494	NASDAQ	ALTR	Thu, May 9, 2013	33.00	33.21	32.80	33.01
493	NASDAQ	ALTR	Wed, May 8, 2013	32.94	33.14	32.80	32.98
492	NASDAQ	ALTR	Tue, May 7, 2013	33.07	33.34	32.93	33.04
491	NASDAQ	ALTR	Mon, May 6, 2013	32.86	33.46	32.64	33.09
490	NASDAQ	ALTR	Fri, May 3, 2013	32.64	33.05	32.57	32.73
489	NASDAQ	ALTR	Thu, May 2, 2013	31.91	32.50	31.91	32.36
488	NASDAQ	ALTR	Wed, May 1, 2013	31.98	32.15	31.82	31.91
487	NASDAQ	ALTR	Tue, Apr 30, 2013	31.56	32.12	31.24	32.01
486	NASDAQ	ALTR	Mon, Apr 29, 2013	31.52	31.77	31.16	31.64
485	NASDAQ	ALTR	Fri, Apr 26, 2013	31.81	32.30	30.88	31.20
484	NASDAQ	ALTR	Thu, Apr 25, 2013	31.95	32.99	31.89	32.93
483	NASDAQ	ALTR	Wed, Apr 24, 2013	31.60	31.93	31.35	31.67
482	NASDAQ	ALTR	Tue, Apr 23, 2013	31.64	31.83	31.17	31.76
481	NASDAQ	ALTR	Mon, Apr 22, 2013	31.09	31.56	30.62	31.38
480	NASDAQ	ALTR	Fri, Apr 19, 2013	31.27	31.52	30.65	31.07
479	NASDAQ	ALTR	Thu, Apr 18, 2013	32.20	32.33	31.29	31.42
478	NASDAQ	ALTR	Wed, Apr 17, 2013	32.97	32.97	31.80	31.95
477	NASDAQ	ALTR	Tue, Apr 16, 2013	32.96	33.41	32.72	33.38
476	NASDAQ	ALTR	Mon, Apr 15, 2013	33.12	33.39	32.73	32.77
475	NASDAQ	ALTR	Fri, Apr 12, 2013	33.54	33.70	33.06	33.30
474	NASDAQ	ALTR	Thu, Apr 11, 2013	33.40	33.98	33.37	33.63
473	NASDAQ	ALTR	Wed, Apr 10, 2013	33.32	34.04	33.26	33.71
472	NASDAQ	ALTR	Tue, Apr 9, 2013	33.25	33.52	32.88	33.18
471	NASDAQ	ALTR	Mon, Apr 8, 2013	33.16	33.33	32.99	33.20
470	NASDAQ	ALTR	Fri, Apr 5, 2013	33.15	33.23	32.37	33.15
469	NASDAQ	ALTR	Thu, Apr 4, 2013	33.07	33.88	33.03	33.80
468	NASDAQ	ALTR	Wed, Apr 3, 2013	34.13	34.29	32.98	33.15
467	NASDAQ	ALTR	Tue, Apr 2, 2013	34.81	34.99	33.96	34.18
466	NASDAQ	ALTR	Mon, Apr 1, 2013	35.73	35.73	34.67	34.75
465	NASDAQ	ALTR	Thu, Mar 28, 2013	34.71	35.50	34.57	35.46
464	NASDAQ	ALTR	Wed, Mar 27, 2013	34.87	34.94	34.51	34.72
463	NASDAQ	ALTR	Tue, Mar 26, 2013	35.01	35.22	34.88	35.14
462	NASDAQ	ALTR	Mon, Mar 25, 2013	34.83	35.11	34.55	34.77
461	NASDAQ	ALTR	Fri, Mar 22, 2013	34.90	34.97	34.33	34.72
460	NASDAQ	ALTR	Thu, Mar 21, 2013	34.75	35.15	34.33	34.81
459	NASDAQ	ALTR	Wed, Mar 20, 2013	34.92	35.14	34.76	35.06
458	NASDAQ	ALTR	Tue, Mar 19, 2013	34.89	35.20	34.04	34.57
457	NASDAQ	ALTR	Mon, Mar 18, 2013	34.75	34.98	34.46	34.56
456	NASDAQ	ALTR	Fri, Mar 15, 2013	35.48	35.82	34.90	35.16
455	NASDAQ	ALTR	Thu, Mar 14, 2013	35.39	36.30	35.37	35.61
454	NASDAQ	ALTR	Wed, Mar 13, 2013	35.14	35.22	34.89	34.98
453	NASDAQ	ALTR	Tue, Mar 12, 2013	35.02	35.28	34.77	35.04
452	NASDAQ	ALTR	Mon, Mar 11, 2013	34.91	35.39	34.78	35.09
451	NASDAQ	ALTR	Fri, Mar 8, 2013	35.25	35.60	34.99	35.25
450	NASDAQ	ALTR	Thu, Mar 7, 2013	35.05	35.60	34.95	35.19
449	NASDAQ	ALTR	Wed, Mar 6, 2013	35.47	35.51	34.88	34.93
448	NASDAQ	ALTR	Tue, Mar 5, 2013	35.32	35.46	34.77	35.13
447	NASDAQ	ALTR	Mon, Mar 4, 2013	35.39	35.58	34.94	35.14
446	NASDAQ	ALTR	Fri, Mar 1, 2013	35.38	35.51	34.73	35.51
445	NASDAQ	ALTR	Thu, Feb 28, 2013	35.78	36.15	35.41	35.43
444	NASDAQ	ALTR	Wed, Feb 27, 2013	35.81	36.25	35.81	35.87
443	NASDAQ	ALTR	Tue, Feb 26, 2013	35.21	36.15	35.11	36.04
442	NASDAQ	ALTR	Mon, Feb 25, 2013	35.62	35.85	35.00	35.01
441	NASDAQ	ALTR	Fri, Feb 22, 2013	35.17	35.43	34.81	35.35
440	NASDAQ	ALTR	Thu, Feb 21, 2013	35.26	35.40	34.56	34.83
439	NASDAQ	ALTR	Wed, Feb 20, 2013	36.29	36.37	35.43	35.45
438	NASDAQ	ALTR	Tue, Feb 19, 2013	35.81	36.62	35.71	36.19
437	NASDAQ	ALTR	Fri, Feb 15, 2013	36.24	36.32	35.62	35.75
436	NASDAQ	ALTR	Thu, Feb 14, 2013	35.38	36.50	35.33	36.25
435	NASDAQ	ALTR	Wed, Feb 13, 2013	35.70	35.93	35.26	35.53
434	NASDAQ	ALTR	Tue, Feb 12, 2013	35.20	35.69	35.02	35.66
433	NASDAQ	ALTR	Mon, Feb 11, 2013	35.13	35.37	34.89	35.22
432	NASDAQ	ALTR	Fri, Feb 8, 2013	34.62	35.59	34.62	35.38
431	NASDAQ	ALTR	Thu, Feb 7, 2013	34.28	34.50	34.10	34.48
430	NASDAQ	ALTR	Wed, Feb 6, 2013	34.29	34.74	34.14	34.65
429	NASDAQ	ALTR	Tue, Feb 5, 2013	34.04	34.64	33.78	34.50
428	NASDAQ	ALTR	Mon, Feb 4, 2013	34.44	34.48	33.72	33.76
427	NASDAQ	ALTR	Fri, Feb 1, 2013	33.61	35.00	33.55	34.49
426	NASDAQ	ALTR	Thu, Jan 31, 2013	33.40	33.91	33.27	33.42
425	NASDAQ	ALTR	Wed, Jan 30, 2013	33.34	33.66	33.11	33.37
424	NASDAQ	ALTR	Tue, Jan 29, 2013	33.62	33.62	33.06	33.27
423	NASDAQ	ALTR	Mon, Jan 28, 2013	33.60	33.96	33.44	33.51
422	NASDAQ	ALTR	Fri, Jan 25, 2013	33.57	33.68	32.94	33.52
421	NASDAQ	ALTR	Thu, Jan 24, 2013	32.97	34.15	31.65	33.56
420	NASDAQ	ALTR	Wed, Jan 23, 2013	35.62	35.69	35.02	35.18
419	NASDAQ	ALTR	Tue, Jan 22, 2013	35.61	35.63	35.34	35.51
418	NASDAQ	ALTR	Fri, Jan 18, 2013	35.56	35.89	35.43	35.64
417	NASDAQ	ALTR	Thu, Jan 17, 2013	35.32	35.92	35.26	35.70
416	NASDAQ	ALTR	Wed, Jan 16, 2013	34.39	35.30	34.34	35.16
415	NASDAQ	ALTR	Tue, Jan 15, 2013	34.01	34.43	33.81	34.34
414	NASDAQ	ALTR	Mon, Jan 14, 2013	35.00	35.25	34.41	34.68
413	NASDAQ	ALTR	Fri, Jan 11, 2013	35.00	35.48	34.95	35.27
412	NASDAQ	ALTR	Thu, Jan 10, 2013	34.73	34.99	34.56	34.93
411	NASDAQ	ALTR	Wed, Jan 9, 2013	34.50	34.72	34.15	34.36
410	NASDAQ	ALTR	Tue, Jan 8, 2013	35.09	35.25	34.32	34.51
409	NASDAQ	ALTR	Mon, Jan 7, 2013	35.09	35.57	34.89	35.27
408	NASDAQ	ALTR	Fri, Jan 4, 2013	35.28	35.34	35.00	35.14
407	NASDAQ	ALTR	Thu, Jan 3, 2013	35.27	35.75	35.06	35.19
406	NASDAQ	ALTR	Wed, Jan 2, 2013	35.04	36.03	34.96	35.90
405	NASDAQ	ALTR	Mon, Dec 31, 2012	34.04	34.48	33.72	34.39
404	NASDAQ	ALTR	Fri, Dec 28, 2012	34.14	34.50	33.88	34.01
403	NASDAQ	ALTR	Thu, Dec 27, 2012	34.40	34.55	33.94	34.34
402	NASDAQ	ALTR	Wed, Dec 26, 2012	34.49	34.87	34.34	34.41
401	NASDAQ	ALTR	Mon, Dec 24, 2012	34.31	34.52	34.17	34.46
400	NASDAQ	ALTR	Fri, Dec 21, 2012	34.52	34.58	33.71	34.50
399	NASDAQ	ALTR	Thu, Dec 20, 2012	34.61	34.85	34.33	34.74
398	NASDAQ	ALTR	Wed, Dec 19, 2012	34.32	34.99	34.18	34.55
397	NASDAQ	ALTR	Tue, Dec 18, 2012	33.41	34.46	33.41	34.11
396	NASDAQ	ALTR	Mon, Dec 17, 2012	33.16	33.57	33.02	33.40
395	NASDAQ	ALTR	Fri, Dec 14, 2012	32.94	33.25	32.66	32.86
394	NASDAQ	ALTR	Thu, Dec 13, 2012	33.00	33.54	32.84	33.01
393	NASDAQ	ALTR	Wed, Dec 12, 2012	33.21	33.46	32.90	33.04
392	NASDAQ	ALTR	Tue, Dec 11, 2012	32.40	33.37	32.28	33.08
391	NASDAQ	ALTR	Mon, Dec 10, 2012	31.58	32.47	31.48	32.10
390	NASDAQ	ALTR	Fri, Dec 7, 2012	31.37	31.63	31.10	31.58
389	NASDAQ	ALTR	Thu, Dec 6, 2012	31.01	31.52	30.96	31.16
388	NASDAQ	ALTR	Wed, Dec 5, 2012	31.49	31.83	30.89	31.01
387	NASDAQ	ALTR	Tue, Dec 4, 2012	32.28	32.32	31.92	32.18
386	NASDAQ	ALTR	Mon, Dec 3, 2012	32.57	32.84	32.13	32.23
385	NASDAQ	ALTR	Fri, Nov 30, 2012	32.31	32.55	32.20	32.39
384	NASDAQ	ALTR	Thu, Nov 29, 2012	32.37	32.59	32.07	32.22
383	NASDAQ	ALTR	Wed, Nov 28, 2012	31.40	32.38	31.31	32.30
382	NASDAQ	ALTR	Tue, Nov 27, 2012	31.61	31.85	31.38	31.54
381	NASDAQ	ALTR	Mon, Nov 26, 2012	31.76	32.22	31.76	31.91
380	NASDAQ	ALTR	Fri, Nov 23, 2012	31.24	31.90	31.18	31.86
379	NASDAQ	ALTR	Wed, Nov 21, 2012	31.05	31.27	30.95	31.01
378	NASDAQ	ALTR	Tue, Nov 20, 2012	30.98	31.19	30.73	31.09
377	NASDAQ	ALTR	Mon, Nov 19, 2012	30.69	31.16	30.64	31.09
376	NASDAQ	ALTR	Fri, Nov 16, 2012	30.20	30.60	29.98	30.45
375	NASDAQ	ALTR	Thu, Nov 15, 2012	30.74	30.79	29.89	30.22
374	NASDAQ	ALTR	Wed, Nov 14, 2012	31.07	31.24	30.69	30.77
373	NASDAQ	ALTR	Tue, Nov 13, 2012	30.45	30.93	30.31	30.62
372	NASDAQ	ALTR	Mon, Nov 12, 2012	30.76	30.90	30.42	30.66
371	NASDAQ	ALTR	Fri, Nov 9, 2012	30.52	30.86	30.28	30.64
370	NASDAQ	ALTR	Thu, Nov 8, 2012	30.61	30.95	30.46	30.64
369	NASDAQ	ALTR	Wed, Nov 7, 2012	31.44	31.83	30.56	30.57
368	NASDAQ	ALTR	Tue, Nov 6, 2012	31.37	31.85	31.18	31.84
367	NASDAQ	ALTR	Mon, Nov 5, 2012	30.36	31.32	30.35	31.21
366	NASDAQ	ALTR	Fri, Nov 2, 2012	31.61	31.73	30.43	30.51
365	NASDAQ	ALTR	Thu, Nov 1, 2012	30.57	31.75	30.48	31.61
364	NASDAQ	ALTR	Wed, Oct 31, 2012	30.48	30.67	30.16	30.48
363	NASDAQ	ALTR	Fri, Oct 26, 2012	30.23	30.53	30.15	30.40
362	NASDAQ	ALTR	Thu, Oct 25, 2012	29.91	30.58	29.90	30.21
361	NASDAQ	ALTR	Wed, Oct 24, 2012	31.55	31.65	29.59	29.89
360	NASDAQ	ALTR	Tue, Oct 23, 2012	32.52	32.99	32.35	32.62
359	NASDAQ	ALTR	Mon, Oct 22, 2012	32.53	33.23	32.50	32.92
358	NASDAQ	ALTR	Fri, Oct 19, 2012	33.20	33.20	32.41	32.51
357	NASDAQ	ALTR	Thu, Oct 18, 2012	33.41	33.62	32.98	33.20
356	NASDAQ	ALTR	Wed, Oct 17, 2012	33.23	33.90	33.06	33.39
355	NASDAQ	ALTR	Tue, Oct 16, 2012	32.81	33.71	32.80	33.52
354	NASDAQ	ALTR	Mon, Oct 15, 2012	32.41	32.92	32.41	32.85
353	NASDAQ	ALTR	Fri, Oct 12, 2012	32.02	32.43	31.89	32.33
352	NASDAQ	ALTR	Thu, Oct 11, 2012	32.38	32.51	31.95	31.98
351	NASDAQ	ALTR	Wed, Oct 10, 2012	32.91	32.98	31.98	32.06
350	NASDAQ	ALTR	Tue, Oct 9, 2012	33.28	33.34	32.39	32.99
349	NASDAQ	ALTR	Mon, Oct 8, 2012	33.15	33.50	32.94	33.36
348	NASDAQ	ALTR	Fri, Oct 5, 2012	33.55	33.96	33.34	33.43
347	NASDAQ	ALTR	Thu, Oct 4, 2012	33.53	33.77	33.27	33.53
346	NASDAQ	ALTR	Wed, Oct 3, 2012	34.00	34.15	33.34	33.39
345	NASDAQ	ALTR	Tue, Oct 2, 2012	34.03	34.22	33.71	34.00
344	NASDAQ	ALTR	Mon, Oct 1, 2012	34.25	34.52	33.75	33.86
343	NASDAQ	ALTR	Fri, Sep 28, 2012	34.49	34.66	33.98	34.00
342	NASDAQ	ALTR	Thu, Sep 27, 2012	34.19	34.82	33.77	34.67
341	NASDAQ	ALTR	Wed, Sep 26, 2012	35.26	35.26	34.38	34.77
340	NASDAQ	ALTR	Tue, Sep 25, 2012	36.37	36.58	35.22	35.24
339	NASDAQ	ALTR	Mon, Sep 24, 2012	36.60	37.13	35.85	36.05
338	NASDAQ	ALTR	Fri, Sep 21, 2012	36.96	37.37	36.67	36.74
337	NASDAQ	ALTR	Thu, Sep 20, 2012	37.02	37.08	36.54	36.84
336	NASDAQ	ALTR	Wed, Sep 19, 2012	37.51	37.58	37.00	37.09
335	NASDAQ	ALTR	Tue, Sep 18, 2012	37.73	37.80	37.31	37.48
334	NASDAQ	ALTR	Mon, Sep 17, 2012	38.24	38.28	37.54	37.76
333	NASDAQ	ALTR	Fri, Sep 14, 2012	37.75	38.80	37.75	38.16
332	NASDAQ	ALTR	Thu, Sep 13, 2012	37.20	37.97	36.95	37.62
331	NASDAQ	ALTR	Wed, Sep 12, 2012	37.55	37.78	37.06	37.25
330	NASDAQ	ALTR	Tue, Sep 11, 2012	37.76	37.84	37.32	37.43
329	NASDAQ	ALTR	Mon, Sep 10, 2012	37.82	38.05	37.59	37.59
328	NASDAQ	ALTR	Fri, Sep 7, 2012	37.87	38.21	37.68	37.97
327	NASDAQ	ALTR	Thu, Sep 6, 2012	36.77	38.11	36.68	38.03
326	NASDAQ	ALTR	Wed, Sep 5, 2012	37.08	37.32	36.32	36.46
325	NASDAQ	ALTR	Tue, Sep 4, 2012	37.14	37.29	36.38	37.06
324	NASDAQ	ALTR	Fri, Aug 31, 2012	36.69	37.45	36.46	37.33
323	NASDAQ	ALTR	Thu, Aug 30, 2012	36.67	36.77	36.24	36.46
322	NASDAQ	ALTR	Wed, Aug 29, 2012	37.02	37.15	36.63	36.93
321	NASDAQ	ALTR	Tue, Aug 28, 2012	36.42	37.53	36.18	37.07
320	NASDAQ	ALTR	Mon, Aug 27, 2012	36.45	36.58	35.99	36.48
319	NASDAQ	ALTR	Fri, Aug 24, 2012	35.65	36.45	35.61	36.35
318	NASDAQ	ALTR	Thu, Aug 23, 2012	35.66	35.84	35.15	35.73
317	NASDAQ	ALTR	Wed, Aug 22, 2012	35.93	36.03	35.36	35.72
316	NASDAQ	ALTR	Tue, Aug 21, 2012	35.81	36.42	35.81	35.89
315	NASDAQ	ALTR	Mon, Aug 20, 2012	36.22	36.38	35.72	35.95
314	NASDAQ	ALTR	Fri, Aug 17, 2012	36.84	36.84	36.13	36.35
313	NASDAQ	ALTR	Thu, Aug 16, 2012	36.56	36.93	36.06	36.69
312	NASDAQ	ALTR	Wed, Aug 15, 2012	35.84	36.50	35.84	36.17
311	NASDAQ	ALTR	Tue, Aug 14, 2012	36.80	37.02	35.96	36.08
310	NASDAQ	ALTR	Mon, Aug 13, 2012	36.88	36.98	36.38	36.72
309	NASDAQ	ALTR	Fri, Aug 10, 2012	36.83	37.13	36.67	37.12
308	NASDAQ	ALTR	Thu, Aug 9, 2012	36.51	37.11	36.47	36.87
307	NASDAQ	ALTR	Wed, Aug 8, 2012	36.54	36.94	36.14	36.53
306	NASDAQ	ALTR	Tue, Aug 7, 2012	35.70	37.34	35.63	36.73
305	NASDAQ	ALTR	Mon, Aug 6, 2012	35.87	35.99	35.42	35.46
304	NASDAQ	ALTR	Fri, Aug 3, 2012	35.64	36.00	35.11	35.79
303	NASDAQ	ALTR	Thu, Aug 2, 2012	35.13	35.98	34.70	35.13
302	NASDAQ	ALTR	Wed, Aug 1, 2012	35.69	35.83	35.20	35.65
301	NASDAQ	ALTR	Tue, Jul 31, 2012	35.21	35.81	35.15	35.45
300	NASDAQ	ALTR	Mon, Jul 30, 2012	36.09	36.30	35.00	35.21
299	NASDAQ	ALTR	Fri, Jul 27, 2012	34.91	36.19	34.76	36.04
298	NASDAQ	ALTR	Thu, Jul 26, 2012	35.01	35.60	34.37	34.74
297	NASDAQ	ALTR	Wed, Jul 25, 2012	34.49	36.20	34.07	34.41
296	NASDAQ	ALTR	Tue, Jul 24, 2012	31.20	31.20	30.40	30.67
295	NASDAQ	ALTR	Mon, Jul 23, 2012	30.82	31.31	29.96	31.12
294	NASDAQ	ALTR	Fri, Jul 20, 2012	31.92	32.01	31.20	31.23
293	NASDAQ	ALTR	Thu, Jul 19, 2012	31.90	32.48	31.52	31.91
292	NASDAQ	ALTR	Wed, Jul 18, 2012	30.66	32.13	30.56	31.78
291	NASDAQ	ALTR	Tue, Jul 17, 2012	31.15	31.15	29.67	30.69
290	NASDAQ	ALTR	Mon, Jul 16, 2012	31.10	31.10	30.21	30.77
289	NASDAQ	ALTR	Fri, Jul 13, 2012	30.92	31.47	30.90	31.35
288	NASDAQ	ALTR	Thu, Jul 12, 2012	31.08	31.18	30.39	30.96
287	NASDAQ	ALTR	Wed, Jul 11, 2012	31.81	32.02	31.30	31.45
286	NASDAQ	ALTR	Tue, Jul 10, 2012	32.18	32.62	31.61	31.80
285	NASDAQ	ALTR	Mon, Jul 9, 2012	32.65	32.74	31.91	32.13
284	NASDAQ	ALTR	Fri, Jul 6, 2012	33.52	33.57	32.39	32.74
283	NASDAQ	ALTR	Thu, Jul 5, 2012	34.12	34.18	33.45	33.62
282	NASDAQ	ALTR	Tue, Jul 3, 2012	33.78	34.27	33.75	34.21
281	NASDAQ	ALTR	Mon, Jul 2, 2012	33.89	34.13	33.58	33.73
280	NASDAQ	ALTR	Fri, Jun 29, 2012	33.04	34.06	32.99	33.84
279	NASDAQ	ALTR	Thu, Jun 28, 2012	32.27	32.58	31.97	32.45
278	NASDAQ	ALTR	Wed, Jun 27, 2012	32.32	32.74	32.20	32.48
277	NASDAQ	ALTR	Tue, Jun 26, 2012	32.25	32.70	31.82	32.38
276	NASDAQ	ALTR	Mon, Jun 25, 2012	33.05	33.19	32.10	32.15
275	NASDAQ	ALTR	Fri, Jun 22, 2012	32.81	33.49	32.81	33.44
274	NASDAQ	ALTR	Thu, Jun 21, 2012	34.39	34.46	32.79	32.85
273	NASDAQ	ALTR	Wed, Jun 20, 2012	34.21	34.53	34.03	34.31
272	NASDAQ	ALTR	Tue, Jun 19, 2012	34.00	34.23	33.55	34.07
271	NASDAQ	ALTR	Mon, Jun 18, 2012	32.90	33.84	32.79	33.74
270	NASDAQ	ALTR	Fri, Jun 15, 2012	32.67	33.20	32.59	33.06
269	NASDAQ	ALTR	Thu, Jun 14, 2012	32.98	33.15	32.28	32.60
268	NASDAQ	ALTR	Wed, Jun 13, 2012	33.35	33.50	32.90	33.02
267	NASDAQ	ALTR	Tue, Jun 12, 2012	32.94	33.64	32.87	33.62
266	NASDAQ	ALTR	Mon, Jun 11, 2012	33.70	33.95	32.68	32.74
265	NASDAQ	ALTR	Fri, Jun 8, 2012	33.15	33.55	32.97	33.49
264	NASDAQ	ALTR	Thu, Jun 7, 2012	34.04	34.55	32.91	33.01
263	NASDAQ	ALTR	Wed, Jun 6, 2012	33.27	33.80	33.18	33.77
262	NASDAQ	ALTR	Tue, Jun 5, 2012	32.19	33.09	32.17	32.98
261	NASDAQ	ALTR	Mon, Jun 4, 2012	32.37	32.79	31.97	32.39
260	NASDAQ	ALTR	Fri, Jun 1, 2012	32.60	33.08	32.27	32.28
259	NASDAQ	ALTR	Thu, May 31, 2012	34.44	34.46	32.99	33.41
258	NASDAQ	ALTR	Wed, May 30, 2012	34.72	34.72	33.72	33.84
257	NASDAQ	ALTR	Tue, May 29, 2012	34.75	35.18	34.41	35.15
256	NASDAQ	ALTR	Fri, May 25, 2012	33.84	34.60	33.73	34.42
255	NASDAQ	ALTR	Thu, May 24, 2012	34.15	34.25	33.48	33.76
254	NASDAQ	ALTR	Wed, May 23, 2012	33.45	34.15	33.20	34.07
253	NASDAQ	ALTR	Tue, May 22, 2012	34.26	34.26	33.46	33.68
252	NASDAQ	ALTR	Mon, May 21, 2012	33.28	34.40	33.11	34.35
251	NASDAQ	ALTR	Fri, May 18, 2012	33.49	33.84	33.14	33.23
250	NASDAQ	ALTR	Thu, May 17, 2012	33.98	34.18	33.39	33.39
249	NASDAQ	ALTR	Wed, May 16, 2012	33.71	34.10	33.47	33.92
248	NASDAQ	ALTR	Tue, May 15, 2012	33.52	33.85	33.43	33.55
247	NASDAQ	ALTR	Mon, May 14, 2012	33.38	33.80	33.27	33.77
246	NASDAQ	ALTR	Fri, May 11, 2012	33.42	34.10	33.39	33.73
245	NASDAQ	ALTR	Thu, May 10, 2012	33.75	33.80	33.00	33.48
244	NASDAQ	ALTR	Wed, May 9, 2012	33.03	33.84	32.67	33.63
243	NASDAQ	ALTR	Tue, May 8, 2012	33.14	33.70	32.77	33.54
242	NASDAQ	ALTR	Mon, May 7, 2012	33.58	33.86	33.28	33.31
241	NASDAQ	ALTR	Fri, May 4, 2012	34.31	34.57	33.61	33.68
240	NASDAQ	ALTR	Thu, May 3, 2012	35.53	35.53	34.41	34.52
239	NASDAQ	ALTR	Wed, May 2, 2012	34.90	35.58	34.84	35.47
238	NASDAQ	ALTR	Tue, May 1, 2012	35.18	35.86	35.17	35.23
237	NASDAQ	ALTR	Mon, Apr 30, 2012	35.33	35.74	35.29	35.57
236	NASDAQ	ALTR	Fri, Apr 27, 2012	36.19	36.19	35.47	35.56
235	NASDAQ	ALTR	Thu, Apr 26, 2012	34.90	36.08	34.83	36.01
234	NASDAQ	ALTR	Wed, Apr 25, 2012	34.39	34.88	34.15	34.84
233	NASDAQ	ALTR	Tue, Apr 24, 2012	34.53	34.65	33.96	34.01
232	NASDAQ	ALTR	Mon, Apr 23, 2012	34.45	34.80	34.10	34.55
231	NASDAQ	ALTR	Fri, Apr 20, 2012	37.71	38.00	35.13	35.25
230	NASDAQ	ALTR	Thu, Apr 19, 2012	38.16	39.26	38.04	38.50
229	NASDAQ	ALTR	Wed, Apr 18, 2012	38.37	38.73	38.13	38.49
228	NASDAQ	ALTR	Tue, Apr 17, 2012	37.94	38.92	37.92	38.65
227	NASDAQ	ALTR	Mon, Apr 16, 2012	37.84	38.07	37.28	37.57
226	NASDAQ	ALTR	Fri, Apr 13, 2012	38.17	38.22	37.47	37.48
225	NASDAQ	ALTR	Thu, Apr 12, 2012	37.71	38.69	37.50	38.42
224	NASDAQ	ALTR	Wed, Apr 11, 2012	37.15	37.73	37.01	37.56
223	NASDAQ	ALTR	Tue, Apr 10, 2012	37.36	37.62	36.74	36.86
222	NASDAQ	ALTR	Mon, Apr 9, 2012	37.72	37.72	37.31	37.53
221	NASDAQ	ALTR	Thu, Apr 5, 2012	37.49	38.34	37.46	38.17
220	NASDAQ	ALTR	Wed, Apr 4, 2012	38.23	38.40	37.52	37.79
219	NASDAQ	ALTR	Tue, Apr 3, 2012	39.20	39.32	38.40	38.56
218	NASDAQ	ALTR	Mon, Apr 2, 2012	39.64	39.86	39.07	39.40
217	NASDAQ	ALTR	Fri, Mar 30, 2012	39.58	40.14	39.48	39.82
216	NASDAQ	ALTR	Thu, Mar 29, 2012	38.81	39.26	38.57	39.24
215	NASDAQ	ALTR	Wed, Mar 28, 2012	39.24	39.47	38.77	39.11
214	NASDAQ	ALTR	Tue, Mar 27, 2012	39.19	39.62	39.17	39.34
213	NASDAQ	ALTR	Mon, Mar 26, 2012	39.16	39.34	38.89	39.22
212	NASDAQ	ALTR	Fri, Mar 23, 2012	38.79	39.13	38.57	38.79
211	NASDAQ	ALTR	Thu, Mar 22, 2012	38.67	39.25	38.45	38.90
210	NASDAQ	ALTR	Wed, Mar 21, 2012	39.25	39.49	38.98	39.16
209	NASDAQ	ALTR	Tue, Mar 20, 2012	39.29	39.49	39.01	39.31
208	NASDAQ	ALTR	Mon, Mar 19, 2012	39.43	39.65	39.02	39.57
207	NASDAQ	ALTR	Fri, Mar 16, 2012	39.53	39.93	39.36	39.51
206	NASDAQ	ALTR	Thu, Mar 15, 2012	38.95	39.61	38.69	39.46
205	NASDAQ	ALTR	Wed, Mar 14, 2012	38.64	39.38	38.50	38.85
204	NASDAQ	ALTR	Tue, Mar 13, 2012	37.89	38.09	37.68	38.06
203	NASDAQ	ALTR	Mon, Mar 12, 2012	38.09	38.09	37.52	37.58
202	NASDAQ	ALTR	Fri, Mar 9, 2012	37.20	38.14	37.20	38.00
201	NASDAQ	ALTR	Thu, Mar 8, 2012	37.36	37.63	36.98	37.42
200	NASDAQ	ALTR	Wed, Mar 7, 2012	37.14	37.68	36.82	37.15
199	NASDAQ	ALTR	Tue, Mar 6, 2012	36.39	37.40	36.16	37.31
198	NASDAQ	ALTR	Mon, Mar 5, 2012	37.28	37.28	36.31	36.75
197	NASDAQ	ALTR	Fri, Mar 2, 2012	38.02	38.34	37.17	37.20
196	NASDAQ	ALTR	Thu, Mar 1, 2012	38.44	38.71	37.81	38.04
195	NASDAQ	ALTR	Wed, Feb 29, 2012	39.05	39.15	38.00	38.47
194	NASDAQ	ALTR	Tue, Feb 28, 2012	38.78	39.33	38.71	39.11
193	NASDAQ	ALTR	Mon, Feb 27, 2012	38.51	39.12	37.98	38.77
192	NASDAQ	ALTR	Fri, Feb 24, 2012	39.27	39.42	38.78	38.88
191	NASDAQ	ALTR	Thu, Feb 23, 2012	39.18	39.30	38.66	39.13
190	NASDAQ	ALTR	Wed, Feb 22, 2012	39.35	39.55	38.56	39.02
189	NASDAQ	ALTR	Tue, Feb 21, 2012	40.14	40.31	39.20	39.36
188	NASDAQ	ALTR	Fri, Feb 17, 2012	40.71	40.87	40.05	40.07
187	NASDAQ	ALTR	Thu, Feb 16, 2012	39.86	40.86	39.73	40.72
186	NASDAQ	ALTR	Wed, Feb 15, 2012	39.63	40.27	39.62	39.72
185	NASDAQ	ALTR	Tue, Feb 14, 2012	39.46	39.88	39.31	39.72
184	NASDAQ	ALTR	Mon, Feb 13, 2012	40.27	40.37	39.10	39.71
183	NASDAQ	ALTR	Fri, Feb 10, 2012	40.68	40.82	39.83	40.10
182	NASDAQ	ALTR	Thu, Feb 9, 2012	41.00	41.63	40.60	41.08
181	NASDAQ	ALTR	Wed, Feb 8, 2012	40.37	41.20	40.32	40.77
180	NASDAQ	ALTR	Tue, Feb 7, 2012	40.31	40.76	40.00	40.41
179	NASDAQ	ALTR	Mon, Feb 6, 2012	40.57	40.62	40.06	40.32
178	NASDAQ	ALTR	Fri, Feb 3, 2012	40.14	40.91	39.92	40.85
177	NASDAQ	ALTR	Thu, Feb 2, 2012	39.65	40.42	39.64	39.70
176	NASDAQ	ALTR	Wed, Feb 1, 2012	40.22	40.49	39.58	39.61
175	NASDAQ	ALTR	Tue, Jan 31, 2012	40.09	40.12	39.40	39.79
174	NASDAQ	ALTR	Mon, Jan 30, 2012	39.80	40.03	39.50	39.76
173	NASDAQ	ALTR	Fri, Jan 27, 2012	40.09	40.54	40.03	40.23
172	NASDAQ	ALTR	Thu, Jan 26, 2012	40.65	41.32	40.18	40.38
171	NASDAQ	ALTR	Wed, Jan 25, 2012	38.31	40.73	38.27	40.57
170	NASDAQ	ALTR	Tue, Jan 24, 2012	39.36	40.12	38.95	40.12
169	NASDAQ	ALTR	Mon, Jan 23, 2012	40.14	40.25	39.36	39.68
168	NASDAQ	ALTR	Fri, Jan 20, 2012	40.85	40.85	39.78	40.35
167	NASDAQ	ALTR	Thu, Jan 19, 2012	41.49	41.62	40.28	40.88
166	NASDAQ	ALTR	Wed, Jan 18, 2012	37.82	40.90	37.76	40.72
165	NASDAQ	ALTR	Tue, Jan 17, 2012	37.89	37.89	36.86	37.06
164	NASDAQ	ALTR	Fri, Jan 13, 2012	38.49	38.60	37.21	37.31
163	NASDAQ	ALTR	Thu, Jan 12, 2012	37.76	38.76	37.68	38.63
162	NASDAQ	ALTR	Wed, Jan 11, 2012	37.55	38.18	37.49	37.54
161	NASDAQ	ALTR	Tue, Jan 10, 2012	38.07	38.18	37.39	37.68
160	NASDAQ	ALTR	Mon, Jan 9, 2012	37.45	38.24	37.17	37.78
159	NASDAQ	ALTR	Fri, Jan 6, 2012	37.45	38.02	37.19	37.49
158	NASDAQ	ALTR	Thu, Jan 5, 2012	37.13	37.56	36.66	37.46
157	NASDAQ	ALTR	Wed, Jan 4, 2012	37.40	37.48	37.00	37.17
156	NASDAQ	ALTR	Tue, Jan 3, 2012	38.54	38.65	37.45	37.60
155	NASDAQ	ALTR	Fri, Dec 30, 2011	37.37	37.47	37.09	37.10
154	NASDAQ	ALTR	Thu, Dec 29, 2011	37.34	37.54	37.10	37.47
153	NASDAQ	ALTR	Wed, Dec 28, 2011	37.28	37.74	36.97	37.24
152	NASDAQ	ALTR	Tue, Dec 27, 2011	37.55	37.69	37.09	37.20
151	NASDAQ	ALTR	Fri, Dec 23, 2011	38.20	38.41	37.41	37.58
150	NASDAQ	ALTR	Thu, Dec 22, 2011	35.86	38.20	35.77	37.99
149	NASDAQ	ALTR	Wed, Dec 21, 2011	36.16	36.48	35.11	35.70
148	NASDAQ	ALTR	Tue, Dec 20, 2011	34.54	36.42	34.54	36.16
147	NASDAQ	ALTR	Mon, Dec 19, 2011	33.98	34.56	33.91	34.07
146	NASDAQ	ALTR	Fri, Dec 16, 2011	33.83	34.93	33.71	34.09
145	NASDAQ	ALTR	Thu, Dec 15, 2011	34.13	34.16	33.44	33.64
144	NASDAQ	ALTR	Wed, Dec 14, 2011	34.49	34.75	33.79	33.90
143	NASDAQ	ALTR	Tue, Dec 13, 2011	35.87	35.96	34.38	34.66
142	NASDAQ	ALTR	Mon, Dec 12, 2011	35.55	35.74	34.84	35.58
141	NASDAQ	ALTR	Fri, Dec 9, 2011	34.35	36.09	33.84	35.89
140	NASDAQ	ALTR	Thu, Dec 8, 2011	35.93	36.50	35.29	35.48
139	NASDAQ	ALTR	Wed, Dec 7, 2011	36.62	36.78	35.93	36.37
138	NASDAQ	ALTR	Tue, Dec 6, 2011	37.76	37.76	36.62	36.84
137	NASDAQ	ALTR	Mon, Dec 5, 2011	37.83	38.19	37.36	37.61
136	NASDAQ	ALTR	Fri, Dec 2, 2011	37.89	38.08	37.12	37.15
135	NASDAQ	ALTR	Thu, Dec 1, 2011	37.67	37.94	37.16	37.55
134	NASDAQ	ALTR	Wed, Nov 30, 2011	35.69	37.74	35.57	37.67
133	NASDAQ	ALTR	Tue, Nov 29, 2011	35.22	35.90	34.76	34.90
132	NASDAQ	ALTR	Mon, Nov 28, 2011	35.05	35.46	34.79	35.17
131	NASDAQ	ALTR	Fri, Nov 25, 2011	34.44	34.88	34.12	34.12
130	NASDAQ	ALTR	Wed, Nov 23, 2011	35.00	35.11	34.62	34.66
129	NASDAQ	ALTR	Tue, Nov 22, 2011	35.14	35.80	34.83	35.46
128	NASDAQ	ALTR	Mon, Nov 21, 2011	34.94	35.49	34.10	35.14
127	NASDAQ	ALTR	Fri, Nov 18, 2011	35.41	35.66	34.94	35.21
126	NASDAQ	ALTR	Thu, Nov 17, 2011	36.25	36.41	34.64	35.35
125	NASDAQ	ALTR	Wed, Nov 16, 2011	37.60	38.00	36.38	36.47
124	NASDAQ	ALTR	Tue, Nov 15, 2011	37.05	38.11	36.89	37.86
123	NASDAQ	ALTR	Mon, Nov 14, 2011	37.26	37.86	37.00	37.22
122	NASDAQ	ALTR	Fri, Nov 11, 2011	37.08	37.61	36.96	37.35
121	NASDAQ	ALTR	Thu, Nov 10, 2011	36.83	38.00	36.18	36.59
120	NASDAQ	ALTR	Wed, Nov 9, 2011	37.50	37.57	36.18	36.29
119	NASDAQ	ALTR	Tue, Nov 8, 2011	38.82	39.32	37.97	38.39
118	NASDAQ	ALTR	Mon, Nov 7, 2011	38.83	38.98	37.40	38.51
117	NASDAQ	ALTR	Fri, Nov 4, 2011	37.87	39.28	37.84	39.05
116	NASDAQ	ALTR	Thu, Nov 3, 2011	37.19	38.33	36.98	38.28
115	NASDAQ	ALTR	Wed, Nov 2, 2011	37.96	38.00	36.75	36.96
114	NASDAQ	ALTR	Tue, Nov 1, 2011	37.15	37.97	36.76	37.49
113	NASDAQ	ALTR	Mon, Oct 31, 2011	39.44	39.61	37.92	37.92
112	NASDAQ	ALTR	Fri, Oct 28, 2011	39.96	40.60	39.65	39.94
111	NASDAQ	ALTR	Thu, Oct 27, 2011	38.96	40.59	38.78	40.29
110	NASDAQ	ALTR	Wed, Oct 26, 2011	38.65	39.17	37.47	38.07
109	NASDAQ	ALTR	Tue, Oct 25, 2011	37.85	39.00	37.54	38.20
108	NASDAQ	ALTR	Mon, Oct 24, 2011	37.10	38.50	37.05	38.06
107	NASDAQ	ALTR	Fri, Oct 21, 2011	34.49	37.12	34.40	37.05
106	NASDAQ	ALTR	Thu, Oct 20, 2011	33.32	33.80	32.73	33.03
105	NASDAQ	ALTR	Wed, Oct 19, 2011	34.78	34.95	33.25	33.42
104	NASDAQ	ALTR	Tue, Oct 18, 2011	34.69	35.19	33.83	35.08
103	NASDAQ	ALTR	Mon, Oct 17, 2011	35.50	35.84	34.58	34.72
102	NASDAQ	ALTR	Fri, Oct 14, 2011	35.74	35.95	34.75	35.93
101	NASDAQ	ALTR	Thu, Oct 13, 2011	33.32	35.47	33.31	35.31
100	NASDAQ	ALTR	Wed, Oct 12, 2011	34.59	34.86	34.11	34.18
99	NASDAQ	ALTR	Tue, Oct 11, 2011	34.24	34.55	34.02	34.22
98	NASDAQ	ALTR	Mon, Oct 10, 2011	33.73	34.65	33.68	34.41
97	NASDAQ	ALTR	Fri, Oct 7, 2011	32.97	33.75	32.63	33.36
96	NASDAQ	ALTR	Thu, Oct 6, 2011	32.59	33.00	31.93	32.95
95	NASDAQ	ALTR	Wed, Oct 5, 2011	32.23	32.81	31.61	32.68
94	NASDAQ	ALTR	Tue, Oct 4, 2011	30.40	32.53	30.39	32.26
93	NASDAQ	ALTR	Mon, Oct 3, 2011	31.19	31.96	30.61	30.87
92	NASDAQ	ALTR	Fri, Sep 30, 2011	32.32	32.88	30.84	31.53
91	NASDAQ	ALTR	Thu, Sep 29, 2011	34.74	35.04	32.12	33.07
90	NASDAQ	ALTR	Wed, Sep 28, 2011	36.07	36.08	34.10	34.18
89	NASDAQ	ALTR	Tue, Sep 27, 2011	35.69	36.57	35.25	35.81
88	NASDAQ	ALTR	Mon, Sep 26, 2011	35.64	35.84	33.96	34.89
87	NASDAQ	ALTR	Fri, Sep 23, 2011	34.72	35.79	34.29	35.58
86	NASDAQ	ALTR	Thu, Sep 22, 2011	35.55	35.69	34.31	34.91
85	NASDAQ	ALTR	Wed, Sep 21, 2011	37.54	37.88	36.44	36.46
84	NASDAQ	ALTR	Tue, Sep 20, 2011	37.91	38.37	37.30	37.39
83	NASDAQ	ALTR	Mon, Sep 19, 2011	37.64	38.15	37.29	38.01
82	NASDAQ	ALTR	Fri, Sep 16, 2011	38.46	38.97	38.10	38.24
81	NASDAQ	ALTR	Thu, Sep 15, 2011	37.77	38.49	37.43	38.34
80	NASDAQ	ALTR	Wed, Sep 14, 2011	37.05	37.90	36.60	37.43
79	NASDAQ	ALTR	Tue, Sep 13, 2011	36.04	36.96	35.81	36.83
78	NASDAQ	ALTR	Mon, Sep 12, 2011	34.02	36.19	34.02	36.16
77	NASDAQ	ALTR	Fri, Sep 9, 2011	34.72	35.36	34.08	34.61
76	NASDAQ	ALTR	Thu, Sep 8, 2011	34.95	36.10	34.80	35.14
75	NASDAQ	ALTR	Wed, Sep 7, 2011	35.44	36.14	34.51	35.18
74	NASDAQ	ALTR	Tue, Sep 6, 2011	33.98	34.94	33.79	34.86
73	NASDAQ	ALTR	Fri, Sep 2, 2011	35.34	35.53	34.43	34.75
72	NASDAQ	ALTR	Thu, Sep 1, 2011	36.35	36.87	35.92	35.93
71	NASDAQ	ALTR	Wed, Aug 31, 2011	37.76	37.82	36.05	36.39
70	NASDAQ	ALTR	Tue, Aug 30, 2011	37.28	37.91	36.91	37.62
69	NASDAQ	ALTR	Mon, Aug 29, 2011	36.56	37.46	36.55	37.46
68	NASDAQ	ALTR	Fri, Aug 26, 2011	34.93	36.50	34.63	36.30
67	NASDAQ	ALTR	Thu, Aug 25, 2011	36.00	36.15	34.94	35.03
66	NASDAQ	ALTR	Wed, Aug 24, 2011	36.28	36.28	35.12	36.01
65	NASDAQ	ALTR	Tue, Aug 23, 2011	34.35	36.43	34.14	36.43
64	NASDAQ	ALTR	Mon, Aug 22, 2011	33.73	34.35	33.59	34.10
63	NASDAQ	ALTR	Fri, Aug 19, 2011	33.82	34.59	32.98	33.01
62	NASDAQ	ALTR	Thu, Aug 18, 2011	35.33	35.48	33.90	34.21
61	NASDAQ	ALTR	Wed, Aug 17, 2011	36.88	37.49	36.17	36.64
60	NASDAQ	ALTR	Tue, Aug 16, 2011	37.15	37.42	36.38	36.78
59	NASDAQ	ALTR	Mon, Aug 15, 2011	36.71	37.54	36.62	37.53
58	NASDAQ	ALTR	Fri, Aug 12, 2011	37.01	37.32	36.09	36.54
57	NASDAQ	ALTR	Thu, Aug 11, 2011	35.56	37.29	35.25	36.86
56	NASDAQ	ALTR	Wed, Aug 10, 2011	35.01	36.05	34.06	34.89
55	NASDAQ	ALTR	Tue, Aug 9, 2011	35.43	36.00	33.43	35.68
54	NASDAQ	ALTR	Mon, Aug 8, 2011	35.37	36.20	34.78	34.81
53	NASDAQ	ALTR	Fri, Aug 5, 2011	38.09	38.28	35.39	36.42
52	NASDAQ	ALTR	Thu, Aug 4, 2011	39.13	39.59	37.50	37.55
51	NASDAQ	ALTR	Wed, Aug 3, 2011	39.30	39.80	38.30	39.52
50	NASDAQ	ALTR	Tue, Aug 2, 2011	40.52	40.82	39.21	39.24
49	NASDAQ	ALTR	Mon, Aug 1, 2011	41.20	41.84	40.38	40.89
48	NASDAQ	ALTR	Fri, Jul 29, 2011	40.26	41.52	40.07	40.88
47	NASDAQ	ALTR	Thu, Jul 28, 2011	40.24	41.35	39.95	40.63
46	NASDAQ	ALTR	Wed, Jul 27, 2011	41.11	41.11	39.81	40.33
45	NASDAQ	ALTR	Tue, Jul 26, 2011	41.72	42.28	41.60	41.82
44	NASDAQ	ALTR	Mon, Jul 25, 2011	41.78	42.24	41.52	41.70
43	NASDAQ	ALTR	Fri, Jul 22, 2011	42.37	42.79	41.83	42.30
42	NASDAQ	ALTR	Thu, Jul 21, 2011	40.55	42.48	40.09	42.31
41	NASDAQ	ALTR	Wed, Jul 20, 2011	42.09	42.83	40.54	40.71
40	NASDAQ	ALTR	Tue, Jul 19, 2011	43.15	44.49	42.98	43.56
39	NASDAQ	ALTR	Mon, Jul 18, 2011	42.48	43.05	42.20	42.55
38	NASDAQ	ALTR	Fri, Jul 15, 2011	42.71	42.85	41.91	42.67
37	NASDAQ	ALTR	Thu, Jul 14, 2011	43.93	44.05	42.47	42.58
36	NASDAQ	ALTR	Wed, Jul 13, 2011	45.41	45.42	43.39	43.66
35	NASDAQ	ALTR	Tue, Jul 12, 2011	45.72	45.89	44.61	45.06
34	NASDAQ	ALTR	Mon, Jul 11, 2011	46.43	47.17	45.94	46.15
33	NASDAQ	ALTR	Fri, Jul 8, 2011	47.63	47.73	46.50	46.84
32	NASDAQ	ALTR	Thu, Jul 7, 2011	47.59	48.35	47.35	48.12
31	NASDAQ	ALTR	Wed, Jul 6, 2011	47.11	47.27	46.55	47.08
30	NASDAQ	ALTR	Tue, Jul 5, 2011	47.63	47.80	46.82	47.12
29	NASDAQ	ALTR	Fri, Jul 1, 2011	46.44	47.75	46.20	47.53
28	NASDAQ	ALTR	Thu, Jun 30, 2011	45.55	46.76	45.38	46.35
27	NASDAQ	ALTR	Wed, Jun 29, 2011	45.46	45.79	44.95	45.33
26	NASDAQ	ALTR	Tue, Jun 28, 2011	44.63	45.33	44.49	45.31
25	NASDAQ	ALTR	Mon, Jun 27, 2011	43.53	44.93	43.46	44.58
24	NASDAQ	ALTR	Fri, Jun 24, 2011	44.30	44.78	43.54	43.63
23	NASDAQ	ALTR	Thu, Jun 23, 2011	42.91	44.47	42.77	44.37
22	NASDAQ	ALTR	Wed, Jun 22, 2011	43.89	44.34	43.58	43.66
21	NASDAQ	ALTR	Tue, Jun 21, 2011	43.06	44.20	42.66	43.99
20	NASDAQ	ALTR	Mon, Jun 20, 2011	42.42	43.07	42.28	42.93
19	NASDAQ	ALTR	Fri, Jun 17, 2011	43.42	43.42	42.51	42.78
18	NASDAQ	ALTR	Thu, Jun 16, 2011	43.23	43.53	42.24	42.74
17	NASDAQ	ALTR	Wed, Jun 15, 2011	43.27	44.01	42.92	43.09
16	NASDAQ	ALTR	Tue, Jun 14, 2011	43.80	44.17	43.69	43.82
15	NASDAQ	ALTR	Mon, Jun 13, 2011	43.69	43.99	43.10	43.33
14	NASDAQ	ALTR	Fri, Jun 10, 2011	43.85	44.10	43.13	43.66
13	NASDAQ	ALTR	Thu, Jun 9, 2011	44.60	44.61	43.84	44.08
12	NASDAQ	ALTR	Wed, Jun 8, 2011	45.85	45.98	44.19	44.32
11	NASDAQ	ALTR	Tue, Jun 7, 2011	45.73	46.65	45.59	46.09
10	NASDAQ	ALTR	Mon, Jun 6, 2011	45.40	46.11	45.32	45.48
9	NASDAQ	ALTR	Fri, Jun 3, 2011	46.56	46.89	45.49	45.56
8	NASDAQ	ALTR	Thu, Jun 2, 2011	46.71	47.45	46.61	47.20
7	NASDAQ	ALTR	Wed, Jun 1, 2011	48.00	48.20	46.70	46.74
6	NASDAQ	ALTR	Tue, May 31, 2011	47.86	48.91	47.74	48.09
5	NASDAQ	ALTR	Fri, May 27, 2011	47.11	47.73	46.98	47.05
4	NASDAQ	ALTR	Thu, May 26, 2011	46.40	47.32	46.23	47.20
3	NASDAQ	ALTR	Wed, May 25, 2011	45.76	46.80	45.54	46.49
2	NASDAQ	ALTR	Tue, May 24, 2011	46.68	46.73	45.65	45.82
1	NASDAQ	ALTR	Mon, May 23, 2011	47.11	47.23	46.33	46.45
#	Exchange	Symbol	Date	Open	High	Low	Close

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