Pieris Pharmaceuticals Inc NASDAQ:PIRS Historical Prices

Below are the 1975 trading days of historical prices for PIRS.

#	Exchange	Symbol	Date	Open	High	Low	Close
1975	NASDAQ	PIRS	Thu, Jan 19, 2023	1.34	1.41	1.34	1.40
1974	NASDAQ	PIRS	Wed, Jan 18, 2023	1.26	1.35	1.26	1.34
1973	NASDAQ	PIRS	Tue, Jan 17, 2023	1.50	1.52	1.20	1.25
1972	NASDAQ	PIRS	Fri, Jan 13, 2023	1.39	1.53	1.37	1.50
1971	NASDAQ	PIRS	Thu, Jan 12, 2023	1.35	1.44	1.33	1.43
1970	NASDAQ	PIRS	Wed, Jan 11, 2023	1.41	1.43	1.29	1.35
1969	NASDAQ	PIRS	Tue, Jan 10, 2023	1.34	1.42	1.30	1.41
1968	NASDAQ	PIRS	Mon, Jan 9, 2023	1.26	1.28	1.17	1.28
1967	NASDAQ	PIRS	Fri, Jan 6, 2023	1.13	1.31	1.11	1.25
1966	NASDAQ	PIRS	Thu, Jan 5, 2023	1.04	1.14	1.04	1.13
1965	NASDAQ	PIRS	Wed, Jan 4, 2023	1.09	1.12	1.02	1.06
1964	NASDAQ	PIRS	Tue, Jan 3, 2023	1.00	1.13	1.00	1.09
1963	NASDAQ	PIRS	Fri, Dec 30, 2022	0.96	1.04	0.90	1.04
1962	NASDAQ	PIRS	Thu, Dec 29, 2022	0.96	0.97	0.90	0.95
1961	NASDAQ	PIRS	Wed, Dec 28, 2022	0.89	0.95	0.86	0.95
1960	NASDAQ	PIRS	Tue, Dec 27, 2022	0.94	0.95	0.86	0.88
1959	NASDAQ	PIRS	Fri, Dec 23, 2022	0.89	0.95	0.88	0.91
1958	NASDAQ	PIRS	Thu, Dec 22, 2022	0.90	0.95	0.85	0.88
1957	NASDAQ	PIRS	Wed, Dec 21, 2022	0.94	1.00	0.90	0.91
1956	NASDAQ	PIRS	Tue, Dec 20, 2022	1.01	1.03	0.95	0.95
1955	NASDAQ	PIRS	Mon, Dec 19, 2022	0.99	1.04	0.98	0.98
1954	NASDAQ	PIRS	Fri, Dec 16, 2022	0.98	1.04	0.98	1.00
1953	NASDAQ	PIRS	Thu, Dec 15, 2022	0.98	1.03	0.98	0.98
1952	NASDAQ	PIRS	Wed, Dec 14, 2022	1.00	1.02	0.94	1.00
1951	NASDAQ	PIRS	Tue, Dec 13, 2022	0.94	0.99	0.92	0.99
1950	NASDAQ	PIRS	Mon, Dec 12, 2022	0.99	0.99	0.92	0.94
1949	NASDAQ	PIRS	Fri, Dec 9, 2022	0.94	1.00	0.94	0.95
1948	NASDAQ	PIRS	Thu, Dec 8, 2022	1.01	1.02	0.95	0.95
1947	NASDAQ	PIRS	Wed, Dec 7, 2022	0.96	1.01	0.96	0.97
1946	NASDAQ	PIRS	Tue, Dec 6, 2022	0.96	1.01	0.96	0.98
1945	NASDAQ	PIRS	Mon, Dec 5, 2022	0.98	1.00	0.95	0.99
1944	NASDAQ	PIRS	Fri, Dec 2, 2022	0.97	1.03	0.97	1.00
1943	NASDAQ	PIRS	Thu, Dec 1, 2022	0.99	1.01	0.97	0.98
1942	NASDAQ	PIRS	Wed, Nov 30, 2022	1.00	1.02	0.96	0.98
1941	NASDAQ	PIRS	Tue, Nov 29, 2022	1.03	1.04	0.98	1.00
1940	NASDAQ	PIRS	Mon, Nov 28, 2022	0.99	1.06	0.98	1.01
1939	NASDAQ	PIRS	Fri, Nov 25, 2022	1.02	1.02	0.98	1.00
1938	NASDAQ	PIRS	Wed, Nov 23, 2022	0.94	1.02	0.94	1.00
1937	NASDAQ	PIRS	Tue, Nov 22, 2022	0.96	0.98	0.93	0.94
1936	NASDAQ	PIRS	Mon, Nov 21, 2022	0.95	1.00	0.92	0.96
1935	NASDAQ	PIRS	Fri, Nov 18, 2022	0.98	1.00	0.95	0.95
1934	NASDAQ	PIRS	Thu, Nov 17, 2022	1.01	1.03	0.97	0.97
1933	NASDAQ	PIRS	Wed, Nov 16, 2022	0.98	1.01	0.97	1.01
1932	NASDAQ	PIRS	Tue, Nov 15, 2022	1.00	1.03	0.95	0.98
1931	NASDAQ	PIRS	Mon, Nov 14, 2022	0.99	1.03	0.98	1.00
1930	NASDAQ	PIRS	Fri, Nov 11, 2022	1.00	1.05	0.98	1.00
1929	NASDAQ	PIRS	Thu, Nov 10, 2022	1.01	1.05	0.99	1.01
1928	NASDAQ	PIRS	Wed, Nov 9, 2022	1.05	1.05	0.95	0.97
1927	NASDAQ	PIRS	Tue, Nov 8, 2022	0.99	1.05	0.98	1.05
1926	NASDAQ	PIRS	Mon, Nov 7, 2022	1.01	1.06	0.99	1.00
1925	NASDAQ	PIRS	Fri, Nov 4, 2022	1.02	1.10	1.01	1.02
1924	NASDAQ	PIRS	Thu, Nov 3, 2022	1.02	1.05	1.00	1.01
1923	NASDAQ	PIRS	Wed, Nov 2, 2022	1.07	1.13	0.98	1.02
1922	NASDAQ	PIRS	Tue, Nov 1, 2022	1.12	1.15	1.05	1.06
1921	NASDAQ	PIRS	Mon, Oct 31, 2022	1.08	1.12	1.05	1.11
1920	NASDAQ	PIRS	Fri, Oct 28, 2022	1.02	1.11	1.00	1.07
1919	NASDAQ	PIRS	Thu, Oct 27, 2022	1.03	1.07	1.00	1.03
1918	NASDAQ	PIRS	Wed, Oct 26, 2022	1.00	1.06	1.00	1.02
1917	NASDAQ	PIRS	Tue, Oct 25, 2022	0.99	1.03	0.97	1.02
1916	NASDAQ	PIRS	Mon, Oct 24, 2022	1.02	1.02	0.96	1.01
1915	NASDAQ	PIRS	Fri, Oct 21, 2022	1.00	1.02	0.98	1.00
1914	NASDAQ	PIRS	Thu, Oct 20, 2022	1.05	1.05	1.00	1.00
1913	NASDAQ	PIRS	Wed, Oct 19, 2022	1.05	1.06	1.01	1.02
1912	NASDAQ	PIRS	Tue, Oct 18, 2022	1.03	1.05	1.02	1.04
1911	NASDAQ	PIRS	Mon, Oct 17, 2022	0.99	1.04	0.99	1.01
1910	NASDAQ	PIRS	Fri, Oct 14, 2022	1.03	1.06	0.99	1.00
1909	NASDAQ	PIRS	Thu, Oct 13, 2022	0.99	1.04	0.97	1.00
1908	NASDAQ	PIRS	Wed, Oct 12, 2022	1.05	1.08	1.02	1.03
1907	NASDAQ	PIRS	Tue, Oct 11, 2022	1.07	1.08	1.03	1.06
1906	NASDAQ	PIRS	Mon, Oct 10, 2022	1.09	1.09	1.05	1.05
1905	NASDAQ	PIRS	Fri, Oct 7, 2022	1.13	1.14	1.08	1.09
1904	NASDAQ	PIRS	Thu, Oct 6, 2022	1.15	1.19	1.13	1.14
1903	NASDAQ	PIRS	Wed, Oct 5, 2022	1.16	1.17	1.14	1.16
1902	NASDAQ	PIRS	Tue, Oct 4, 2022	1.12	1.20	1.12	1.19
1901	NASDAQ	PIRS	Mon, Oct 3, 2022	1.16	1.17	1.06	1.11
1900	NASDAQ	PIRS	Fri, Sep 30, 2022	1.16	1.19	1.11	1.15
1899	NASDAQ	PIRS	Thu, Sep 29, 2022	1.12	1.17	1.10	1.15
1898	NASDAQ	PIRS	Wed, Sep 28, 2022	1.11	1.16	1.11	1.15
1897	NASDAQ	PIRS	Tue, Sep 27, 2022	1.17	1.21	1.10	1.11
1896	NASDAQ	PIRS	Mon, Sep 26, 2022	1.21	1.24	1.14	1.14
1895	NASDAQ	PIRS	Fri, Sep 23, 2022	1.25	1.26	1.20	1.22
1894	NASDAQ	PIRS	Thu, Sep 22, 2022	1.27	1.30	1.24	1.25
1893	NASDAQ	PIRS	Wed, Sep 21, 2022	1.23	1.31	1.20	1.28
1892	NASDAQ	PIRS	Tue, Sep 20, 2022	1.27	1.31	1.24	1.24
1891	NASDAQ	PIRS	Mon, Sep 19, 2022	1.32	1.32	1.28	1.30
1890	NASDAQ	PIRS	Fri, Sep 16, 2022	1.37	1.38	1.32	1.34
1889	NASDAQ	PIRS	Thu, Sep 15, 2022	1.38	1.44	1.36	1.38
1888	NASDAQ	PIRS	Wed, Sep 14, 2022	1.47	1.47	1.40	1.40
1887	NASDAQ	PIRS	Tue, Sep 13, 2022	1.51	1.51	1.45	1.47
1886	NASDAQ	PIRS	Mon, Sep 12, 2022	1.51	1.55	1.46	1.54
1885	NASDAQ	PIRS	Fri, Sep 9, 2022	1.50	1.54	1.47	1.50
1884	NASDAQ	PIRS	Thu, Sep 8, 2022	1.41	1.53	1.41	1.50
1883	NASDAQ	PIRS	Wed, Sep 7, 2022	1.37	1.44	1.37	1.43
1882	NASDAQ	PIRS	Tue, Sep 6, 2022	1.43	1.44	1.36	1.38
1881	NASDAQ	PIRS	Fri, Sep 2, 2022	1.43	1.49	1.42	1.43
1880	NASDAQ	PIRS	Thu, Sep 1, 2022	1.45	1.48	1.42	1.42
1879	NASDAQ	PIRS	Wed, Aug 31, 2022	1.48	1.50	1.46	1.46
1878	NASDAQ	PIRS	Tue, Aug 30, 2022	1.53	1.53	1.45	1.47
1877	NASDAQ	PIRS	Mon, Aug 29, 2022	1.50	1.54	1.45	1.51
1876	NASDAQ	PIRS	Fri, Aug 26, 2022	1.61	1.64	1.49	1.50
1875	NASDAQ	PIRS	Thu, Aug 25, 2022	1.60	1.65	1.57	1.61
1874	NASDAQ	PIRS	Wed, Aug 24, 2022	1.55	1.60	1.48	1.58
1873	NASDAQ	PIRS	Tue, Aug 23, 2022	1.51	1.54	1.46	1.50
1872	NASDAQ	PIRS	Mon, Aug 22, 2022	1.56	1.58	1.50	1.52
1871	NASDAQ	PIRS	Fri, Aug 19, 2022	1.64	1.64	1.56	1.59
1870	NASDAQ	PIRS	Thu, Aug 18, 2022	1.67	1.75	1.60	1.60
1869	NASDAQ	PIRS	Wed, Aug 17, 2022	1.69	1.76	1.67	1.68
1868	NASDAQ	PIRS	Tue, Aug 16, 2022	1.70	1.80	1.66	1.66
1867	NASDAQ	PIRS	Mon, Aug 15, 2022	1.57	1.71	1.57	1.71
1866	NASDAQ	PIRS	Fri, Aug 12, 2022	1.54	1.60	1.51	1.57
1865	NASDAQ	PIRS	Thu, Aug 11, 2022	1.58	1.63	1.56	1.56
1864	NASDAQ	PIRS	Wed, Aug 10, 2022	1.63	1.63	1.54	1.58
1863	NASDAQ	PIRS	Tue, Aug 9, 2022	1.72	1.72	1.55	1.60
1862	NASDAQ	PIRS	Mon, Aug 8, 2022	1.78	1.85	1.68	1.71
1861	NASDAQ	PIRS	Fri, Aug 5, 2022	1.73	1.79	1.71	1.79
1860	NASDAQ	PIRS	Thu, Aug 4, 2022	1.78	1.80	1.63	1.72
1859	NASDAQ	PIRS	Wed, Aug 3, 2022	1.84	1.92	1.81	1.82
1858	NASDAQ	PIRS	Tue, Aug 2, 2022	1.75	1.83	1.75	1.80
1857	NASDAQ	PIRS	Mon, Aug 1, 2022	1.80	1.80	1.72	1.78
1856	NASDAQ	PIRS	Fri, Jul 29, 2022	1.82	1.82	1.75	1.76
1855	NASDAQ	PIRS	Thu, Jul 28, 2022	1.81	1.85	1.75	1.80
1854	NASDAQ	PIRS	Wed, Jul 27, 2022	1.83	1.87	1.79	1.82
1853	NASDAQ	PIRS	Tue, Jul 26, 2022	1.76	1.82	1.74	1.79
1852	NASDAQ	PIRS	Mon, Jul 25, 2022	1.82	1.82	1.75	1.77
1851	NASDAQ	PIRS	Fri, Jul 22, 2022	1.94	1.95	1.84	1.84
1850	NASDAQ	PIRS	Thu, Jul 21, 2022	1.90	1.95	1.88	1.94
1849	NASDAQ	PIRS	Wed, Jul 20, 2022	1.90	1.98	1.87	1.90
1848	NASDAQ	PIRS	Tue, Jul 19, 2022	1.89	1.93	1.83	1.87
1847	NASDAQ	PIRS	Mon, Jul 18, 2022	1.89	1.97	1.87	1.88
1846	NASDAQ	PIRS	Fri, Jul 15, 2022	1.93	1.97	1.85	1.88
1845	NASDAQ	PIRS	Thu, Jul 14, 2022	1.92	1.93	1.88	1.88
1844	NASDAQ	PIRS	Wed, Jul 13, 2022	1.92	1.97	1.86	1.94
1843	NASDAQ	PIRS	Tue, Jul 12, 2022	1.98	1.98	1.88	1.92
1842	NASDAQ	PIRS	Mon, Jul 11, 2022	2.04	2.05	1.96	1.97
1841	NASDAQ	PIRS	Fri, Jul 8, 2022	2.05	2.12	2.02	2.06
1840	NASDAQ	PIRS	Thu, Jul 7, 2022	1.99	2.06	1.99	2.05
1839	NASDAQ	PIRS	Wed, Jul 6, 2022	1.99	2.05	1.98	1.99
1838	NASDAQ	PIRS	Tue, Jul 5, 2022	1.99	2.04	1.98	1.98
1837	NASDAQ	PIRS	Fri, Jul 1, 2022	1.90	2.01	1.85	2.00
1836	NASDAQ	PIRS	Thu, Jun 30, 2022	1.97	1.97	1.87	1.87
1835	NASDAQ	PIRS	Wed, Jun 29, 2022	1.97	2.02	1.93	1.98
1834	NASDAQ	PIRS	Tue, Jun 28, 2022	2.07	2.11	1.98	2.00
1833	NASDAQ	PIRS	Mon, Jun 27, 2022	1.97	2.10	1.96	2.07
1832	NASDAQ	PIRS	Fri, Jun 24, 2022	1.90	1.98	1.88	1.97
1831	NASDAQ	PIRS	Thu, Jun 23, 2022	1.84	2.00	1.79	1.87
1830	NASDAQ	PIRS	Wed, Jun 22, 2022	1.73	1.86	1.72	1.82
1829	NASDAQ	PIRS	Tue, Jun 21, 2022	1.71	1.80	1.70	1.72
1828	NASDAQ	PIRS	Fri, Jun 17, 2022	1.57	1.71	1.56	1.67
1827	NASDAQ	PIRS	Thu, Jun 16, 2022	1.61	1.63	1.54	1.58
1826	NASDAQ	PIRS	Wed, Jun 15, 2022	1.66	1.68	1.61	1.65
1825	NASDAQ	PIRS	Tue, Jun 14, 2022	1.66	1.69	1.61	1.65
1824	NASDAQ	PIRS	Mon, Jun 13, 2022	1.71	1.71	1.60	1.65
1823	NASDAQ	PIRS	Fri, Jun 10, 2022	1.81	1.81	1.77	1.78
1822	NASDAQ	PIRS	Thu, Jun 9, 2022	1.85	1.85	1.77	1.82
1821	NASDAQ	PIRS	Wed, Jun 8, 2022	1.78	1.91	1.78	1.85
1820	NASDAQ	PIRS	Tue, Jun 7, 2022	1.76	1.82	1.76	1.81
1819	NASDAQ	PIRS	Mon, Jun 6, 2022	1.91	1.91	1.71	1.76
1818	NASDAQ	PIRS	Fri, Jun 3, 2022	1.79	1.91	1.79	1.87
1817	NASDAQ	PIRS	Thu, Jun 2, 2022	1.74	1.89	1.74	1.83
1816	NASDAQ	PIRS	Wed, Jun 1, 2022	1.81	1.82	1.70	1.76
1815	NASDAQ	PIRS	Tue, May 31, 2022	1.73	1.85	1.71	1.78
1814	NASDAQ	PIRS	Fri, May 27, 2022	1.70	1.75	1.64	1.73
1813	NASDAQ	PIRS	Thu, May 26, 2022	1.71	1.72	1.66	1.69
1812	NASDAQ	PIRS	Wed, May 25, 2022	1.65	1.71	1.65	1.70
1811	NASDAQ	PIRS	Tue, May 24, 2022	1.73	1.73	1.61	1.66
1810	NASDAQ	PIRS	Mon, May 23, 2022	1.81	1.83	1.72	1.75
1809	NASDAQ	PIRS	Fri, May 20, 2022	1.85	1.85	1.74	1.80
1808	NASDAQ	PIRS	Thu, May 19, 2022	1.74	1.81	1.73	1.80
1807	NASDAQ	PIRS	Wed, May 18, 2022	1.77	1.81	1.72	1.74
1806	NASDAQ	PIRS	Tue, May 17, 2022	1.73	1.83	1.69	1.82
1805	NASDAQ	PIRS	Mon, May 16, 2022	1.67	1.78	1.64	1.69
1804	NASDAQ	PIRS	Fri, May 13, 2022	1.69	1.74	1.68	1.71
1803	NASDAQ	PIRS	Thu, May 12, 2022	1.78	1.80	1.61	1.67
1802	NASDAQ	PIRS	Wed, May 11, 2022	2.23	2.23	1.72	1.79
1801	NASDAQ	PIRS	Tue, May 10, 2022	2.18	2.30	2.18	2.25
1800	NASDAQ	PIRS	Mon, May 9, 2022	2.30	2.32	2.12	2.16
1799	NASDAQ	PIRS	Fri, May 6, 2022	2.50	2.50	2.34	2.35
1798	NASDAQ	PIRS	Thu, May 5, 2022	2.70	2.73	2.48	2.52
1797	NASDAQ	PIRS	Wed, May 4, 2022	2.75	2.78	2.65	2.74
1796	NASDAQ	PIRS	Tue, May 3, 2022	2.69	2.77	2.69	2.75
1795	NASDAQ	PIRS	Mon, May 2, 2022	2.80	2.82	2.61	2.67
1794	NASDAQ	PIRS	Fri, Apr 29, 2022	2.82	2.92	2.75	2.80
1793	NASDAQ	PIRS	Thu, Apr 28, 2022	2.85	2.93	2.73	2.85
1792	NASDAQ	PIRS	Wed, Apr 27, 2022	3.04	3.05	2.82	2.84
1791	NASDAQ	PIRS	Tue, Apr 26, 2022	3.16	3.17	2.99	3.04
1790	NASDAQ	PIRS	Mon, Apr 25, 2022	3.10	3.18	3.08	3.16
1789	NASDAQ	PIRS	Fri, Apr 22, 2022	3.18	3.20	3.09	3.10
1788	NASDAQ	PIRS	Thu, Apr 21, 2022	3.29	3.34	3.20	3.23
1787	NASDAQ	PIRS	Wed, Apr 20, 2022	3.13	3.31	3.07	3.27
1786	NASDAQ	PIRS	Tue, Apr 19, 2022	3.10	3.19	3.08	3.11
1785	NASDAQ	PIRS	Mon, Apr 18, 2022	3.16	3.16	3.09	3.10
1784	NASDAQ	PIRS	Thu, Apr 14, 2022	3.15	3.16	3.09	3.14
1783	NASDAQ	PIRS	Wed, Apr 13, 2022	3.04	3.16	3.04	3.15
1782	NASDAQ	PIRS	Tue, Apr 12, 2022	3.14	3.16	3.05	3.06
1781	NASDAQ	PIRS	Mon, Apr 11, 2022	3.11	3.11	3.04	3.11
1780	NASDAQ	PIRS	Fri, Apr 8, 2022	3.10	3.17	3.03	3.10
1779	NASDAQ	PIRS	Thu, Apr 7, 2022	3.10	3.16	3.03	3.12
1778	NASDAQ	PIRS	Wed, Apr 6, 2022	3.06	3.14	3.02	3.12
1777	NASDAQ	PIRS	Tue, Apr 5, 2022	3.22	3.22	3.10	3.10
1776	NASDAQ	PIRS	Mon, Apr 4, 2022	3.11	3.21	3.09	3.19
1775	NASDAQ	PIRS	Fri, Apr 1, 2022	3.06	3.12	3.00	3.07
1774	NASDAQ	PIRS	Thu, Mar 31, 2022	3.05	3.14	3.03	3.03
1773	NASDAQ	PIRS	Wed, Mar 30, 2022	3.22	3.29	3.05	3.06
1772	NASDAQ	PIRS	Tue, Mar 29, 2022	3.04	3.24	3.00	3.19
1771	NASDAQ	PIRS	Mon, Mar 28, 2022	3.01	3.04	2.93	3.00
1770	NASDAQ	PIRS	Fri, Mar 25, 2022	3.20	3.20	3.03	3.04
1769	NASDAQ	PIRS	Thu, Mar 24, 2022	3.24	3.25	3.14	3.19
1768	NASDAQ	PIRS	Wed, Mar 23, 2022	3.15	3.23	3.10	3.20
1767	NASDAQ	PIRS	Tue, Mar 22, 2022	3.08	3.20	3.06	3.17
1766	NASDAQ	PIRS	Mon, Mar 21, 2022	3.19	3.19	3.04	3.05
1765	NASDAQ	PIRS	Fri, Mar 18, 2022	3.13	3.23	3.10	3.18
1764	NASDAQ	PIRS	Thu, Mar 17, 2022	3.01	3.20	2.93	3.14
1763	NASDAQ	PIRS	Wed, Mar 16, 2022	2.99	3.06	2.94	3.04
1762	NASDAQ	PIRS	Tue, Mar 15, 2022	2.96	2.99	2.91	2.99
1761	NASDAQ	PIRS	Mon, Mar 14, 2022	3.01	3.01	2.83	2.90
1760	NASDAQ	PIRS	Fri, Mar 11, 2022	3.08	3.13	2.97	3.01
1759	NASDAQ	PIRS	Thu, Mar 10, 2022	3.02	3.09	3.01	3.04
1758	NASDAQ	PIRS	Wed, Mar 9, 2022	2.94	3.08	2.94	3.07
1757	NASDAQ	PIRS	Tue, Mar 8, 2022	2.95	2.97	2.86	2.89
1756	NASDAQ	PIRS	Mon, Mar 7, 2022	2.94	3.00	2.89	2.93
1755	NASDAQ	PIRS	Fri, Mar 4, 2022	3.06	3.12	2.93	2.94
1754	NASDAQ	PIRS	Thu, Mar 3, 2022	3.17	3.21	3.07	3.11
1753	NASDAQ	PIRS	Wed, Mar 2, 2022	3.11	3.23	3.02	3.17
1752	NASDAQ	PIRS	Tue, Mar 1, 2022	3.09	3.19	2.95	3.07
1751	NASDAQ	PIRS	Mon, Feb 28, 2022	3.09	3.15	3.03	3.09
1750	NASDAQ	PIRS	Fri, Feb 25, 2022	3.06	3.11	2.99	3.09
1749	NASDAQ	PIRS	Thu, Feb 24, 2022	2.89	3.06	2.85	3.06
1748	NASDAQ	PIRS	Wed, Feb 23, 2022	3.07	3.23	2.85	3.01
1747	NASDAQ	PIRS	Tue, Feb 22, 2022	3.15	3.15	3.02	3.03
1746	NASDAQ	PIRS	Fri, Feb 18, 2022	3.16	3.22	3.07	3.20
1745	NASDAQ	PIRS	Thu, Feb 17, 2022	3.32	3.36	3.15	3.15
1744	NASDAQ	PIRS	Wed, Feb 16, 2022	3.31	3.41	3.31	3.33
1743	NASDAQ	PIRS	Tue, Feb 15, 2022	3.39	3.46	3.30	3.40
1742	NASDAQ	PIRS	Mon, Feb 14, 2022	3.50	3.50	3.27	3.29
1741	NASDAQ	PIRS	Fri, Feb 11, 2022	3.50	3.59	3.41	3.48
1740	NASDAQ	PIRS	Thu, Feb 10, 2022	3.46	3.58	3.42	3.51
1739	NASDAQ	PIRS	Wed, Feb 9, 2022	3.56	3.65	3.44	3.50
1738	NASDAQ	PIRS	Tue, Feb 8, 2022	3.53	3.55	3.43	3.54
1737	NASDAQ	PIRS	Mon, Feb 7, 2022	3.50	3.59	3.49	3.51
1736	NASDAQ	PIRS	Fri, Feb 4, 2022	3.48	3.52	3.42	3.48
1735	NASDAQ	PIRS	Thu, Feb 3, 2022	3.54	3.60	3.44	3.49
1734	NASDAQ	PIRS	Wed, Feb 2, 2022	3.64	3.66	3.54	3.64
1733	NASDAQ	PIRS	Tue, Feb 1, 2022	3.66	3.68	3.54	3.65
1732	NASDAQ	PIRS	Mon, Jan 31, 2022	3.40	3.65	3.40	3.64
1731	NASDAQ	PIRS	Fri, Jan 28, 2022	3.28	3.40	3.22	3.38
1730	NASDAQ	PIRS	Thu, Jan 27, 2022	3.51	3.55	3.24	3.26
1729	NASDAQ	PIRS	Wed, Jan 26, 2022	3.67	3.75	3.46	3.48
1728	NASDAQ	PIRS	Tue, Jan 25, 2022	3.40	3.65	3.31	3.59
1727	NASDAQ	PIRS	Mon, Jan 24, 2022	3.29	3.52	3.18	3.50
1726	NASDAQ	PIRS	Fri, Jan 21, 2022	3.31	3.44	3.17	3.40
1725	NASDAQ	PIRS	Thu, Jan 20, 2022	3.47	3.57	3.33	3.34
1724	NASDAQ	PIRS	Wed, Jan 19, 2022	3.57	3.57	3.41	3.46
1723	NASDAQ	PIRS	Tue, Jan 18, 2022	3.54	3.66	3.41	3.48
1722	NASDAQ	PIRS	Fri, Jan 14, 2022	3.33	3.50	3.31	3.49
1721	NASDAQ	PIRS	Thu, Jan 13, 2022	3.43	3.50	3.34	3.37
1720	NASDAQ	PIRS	Wed, Jan 12, 2022	3.45	3.51	3.35	3.42
1719	NASDAQ	PIRS	Tue, Jan 11, 2022	3.40	3.53	3.38	3.47
1718	NASDAQ	PIRS	Mon, Jan 10, 2022	3.31	3.41	3.20	3.39
1717	NASDAQ	PIRS	Fri, Jan 7, 2022	3.54	3.57	3.37	3.38
1716	NASDAQ	PIRS	Thu, Jan 6, 2022	3.60	3.63	3.34	3.56
1715	NASDAQ	PIRS	Wed, Jan 5, 2022	3.80	3.89	3.52	3.57
1714	NASDAQ	PIRS	Tue, Jan 4, 2022	3.96	4.08	3.58	3.77
1713	NASDAQ	PIRS	Mon, Jan 3, 2022	3.84	3.98	3.75	3.91
1712	NASDAQ	PIRS	Fri, Dec 31, 2021	3.94	4.00	3.73	3.78
1711	NASDAQ	PIRS	Thu, Dec 30, 2021	3.48	3.96	3.48	3.94
1710	NASDAQ	PIRS	Wed, Dec 29, 2021	3.33	3.57	3.28	3.51
1709	NASDAQ	PIRS	Tue, Dec 28, 2021	3.42	3.44	3.27	3.36
1708	NASDAQ	PIRS	Mon, Dec 27, 2021	3.64	3.64	3.30	3.41
1707	NASDAQ	PIRS	Thu, Dec 23, 2021	3.52	3.76	3.52	3.67
1706	NASDAQ	PIRS	Wed, Dec 22, 2021	3.41	3.67	3.36	3.53
1705	NASDAQ	PIRS	Tue, Dec 21, 2021	3.44	3.49	3.35	3.42
1704	NASDAQ	PIRS	Mon, Dec 20, 2021	3.49	3.51	3.30	3.43
1703	NASDAQ	PIRS	Fri, Dec 17, 2021	3.26	3.45	3.19	3.41
1702	NASDAQ	PIRS	Thu, Dec 16, 2021	3.31	3.38	3.25	3.30
1701	NASDAQ	PIRS	Wed, Dec 15, 2021	3.18	3.29	3.06	3.26
1700	NASDAQ	PIRS	Tue, Dec 14, 2021	3.29	3.29	3.15	3.20
1699	NASDAQ	PIRS	Mon, Dec 13, 2021	3.19	3.38	3.18	3.34
1698	NASDAQ	PIRS	Fri, Dec 10, 2021	3.47	3.51	3.15	3.17
1697	NASDAQ	PIRS	Thu, Dec 9, 2021	3.82	3.91	3.40	3.46
1696	NASDAQ	PIRS	Wed, Dec 8, 2021	3.58	3.93	3.52	3.88
1695	NASDAQ	PIRS	Tue, Dec 7, 2021	3.26	3.64	3.26	3.59
1694	NASDAQ	PIRS	Mon, Dec 6, 2021	3.14	3.30	2.98	3.26
1693	NASDAQ	PIRS	Fri, Dec 3, 2021	3.33	3.33	3.12	3.18
1692	NASDAQ	PIRS	Thu, Dec 2, 2021	3.23	3.33	3.20	3.30
1691	NASDAQ	PIRS	Wed, Dec 1, 2021	3.34	3.49	3.22	3.26
1690	NASDAQ	PIRS	Tue, Nov 30, 2021	3.32	3.41	3.15	3.30
1689	NASDAQ	PIRS	Mon, Nov 29, 2021	3.50	3.50	3.32	3.32
1688	NASDAQ	PIRS	Fri, Nov 26, 2021	3.50	3.54	3.39	3.46
1687	NASDAQ	PIRS	Wed, Nov 24, 2021	3.57	3.59	3.46	3.50
1686	NASDAQ	PIRS	Tue, Nov 23, 2021	3.53	3.58	3.44	3.54
1685	NASDAQ	PIRS	Mon, Nov 22, 2021	3.67	3.75	3.53	3.54
1684	NASDAQ	PIRS	Fri, Nov 19, 2021	3.74	3.74	3.57	3.69
1683	NASDAQ	PIRS	Thu, Nov 18, 2021	3.93	4.08	3.69	3.71
1682	NASDAQ	PIRS	Wed, Nov 17, 2021	3.85	3.93	3.82	3.89
1681	NASDAQ	PIRS	Tue, Nov 16, 2021	3.85	3.89	3.79	3.83
1680	NASDAQ	PIRS	Mon, Nov 15, 2021	3.93	4.00	3.86	3.89
1679	NASDAQ	PIRS	Fri, Nov 12, 2021	3.91	3.99	3.86	3.95
1678	NASDAQ	PIRS	Thu, Nov 11, 2021	3.90	4.04	3.87	3.93
1677	NASDAQ	PIRS	Wed, Nov 10, 2021	4.05	4.09	3.89	3.90
1676	NASDAQ	PIRS	Tue, Nov 9, 2021	4.15	4.19	4.04	4.05
1675	NASDAQ	PIRS	Mon, Nov 8, 2021	4.29	4.37	4.13	4.15
1674	NASDAQ	PIRS	Fri, Nov 5, 2021	4.52	4.52	4.23	4.26
1673	NASDAQ	PIRS	Thu, Nov 4, 2021	4.65	4.69	4.51	4.52
1672	NASDAQ	PIRS	Wed, Nov 3, 2021	4.75	4.86	4.64	4.68
1671	NASDAQ	PIRS	Tue, Nov 2, 2021	4.88	4.91	4.52	4.75
1670	NASDAQ	PIRS	Mon, Nov 1, 2021	4.60	4.76	4.37	4.73
1669	NASDAQ	PIRS	Fri, Oct 29, 2021	4.67	4.68	4.48	4.58
1668	NASDAQ	PIRS	Thu, Oct 28, 2021	4.57	4.76	4.54	4.69
1667	NASDAQ	PIRS	Wed, Oct 27, 2021	4.58	4.82	4.47	4.57
1666	NASDAQ	PIRS	Tue, Oct 26, 2021	4.40	4.56	4.32	4.56
1665	NASDAQ	PIRS	Mon, Oct 25, 2021	4.30	4.49	4.26	4.42
1664	NASDAQ	PIRS	Fri, Oct 22, 2021	4.37	4.41	4.23	4.32
1663	NASDAQ	PIRS	Thu, Oct 21, 2021	4.45	4.45	4.01	4.41
1662	NASDAQ	PIRS	Wed, Oct 20, 2021	4.37	4.53	4.37	4.47
1661	NASDAQ	PIRS	Tue, Oct 19, 2021	4.44	4.52	4.39	4.41
1660	NASDAQ	PIRS	Mon, Oct 18, 2021	4.49	4.52	4.35	4.38
1659	NASDAQ	PIRS	Fri, Oct 15, 2021	4.66	4.73	4.45	4.51
1658	NASDAQ	PIRS	Thu, Oct 14, 2021	4.71	4.77	4.65	4.66
1657	NASDAQ	PIRS	Wed, Oct 13, 2021	4.79	4.90	4.66	4.70
1656	NASDAQ	PIRS	Tue, Oct 12, 2021	4.70	4.84	4.64	4.73
1655	NASDAQ	PIRS	Mon, Oct 11, 2021	4.75	4.80	4.70	4.71
1654	NASDAQ	PIRS	Fri, Oct 8, 2021	4.81	4.85	4.69	4.75
1653	NASDAQ	PIRS	Thu, Oct 7, 2021	4.80	4.96	4.71	4.83
1652	NASDAQ	PIRS	Wed, Oct 6, 2021	4.98	5.09	4.81	4.83
1651	NASDAQ	PIRS	Tue, Oct 5, 2021	5.16	5.23	5.05	5.05
1650	NASDAQ	PIRS	Mon, Oct 4, 2021	5.16	5.29	5.09	5.16
1649	NASDAQ	PIRS	Fri, Oct 1, 2021	5.15	5.30	4.87	5.21
1648	NASDAQ	PIRS	Thu, Sep 30, 2021	5.18	5.30	5.06	5.17
1647	NASDAQ	PIRS	Wed, Sep 29, 2021	5.45	5.52	5.15	5.17
1646	NASDAQ	PIRS	Tue, Sep 28, 2021	5.70	5.79	5.42	5.44
1645	NASDAQ	PIRS	Mon, Sep 27, 2021	5.63	5.84	5.51	5.77
1644	NASDAQ	PIRS	Fri, Sep 24, 2021	5.46	6.15	5.45	5.62
1643	NASDAQ	PIRS	Thu, Sep 23, 2021	5.48	5.53	5.31	5.44
1642	NASDAQ	PIRS	Wed, Sep 22, 2021	5.49	5.61	5.46	5.46
1641	NASDAQ	PIRS	Tue, Sep 21, 2021	5.51	5.58	5.31	5.48
1640	NASDAQ	PIRS	Mon, Sep 20, 2021	5.60	5.78	5.42	5.49
1639	NASDAQ	PIRS	Fri, Sep 17, 2021	5.79	5.86	5.66	5.85
1638	NASDAQ	PIRS	Thu, Sep 16, 2021	5.56	5.84	5.51	5.76
1637	NASDAQ	PIRS	Wed, Sep 15, 2021	5.45	5.66	5.41	5.56
1636	NASDAQ	PIRS	Tue, Sep 14, 2021	5.52	5.69	5.39	5.45
1635	NASDAQ	PIRS	Mon, Sep 13, 2021	5.71	5.76	5.39	5.51
1634	NASDAQ	PIRS	Fri, Sep 10, 2021	5.88	5.89	5.50	5.71
1633	NASDAQ	PIRS	Thu, Sep 9, 2021	5.23	6.06	5.23	5.70
1632	NASDAQ	PIRS	Wed, Sep 8, 2021	5.18	5.28	5.06	5.23
1631	NASDAQ	PIRS	Tue, Sep 7, 2021	5.30	5.30	4.98	5.20
1630	NASDAQ	PIRS	Fri, Sep 3, 2021	5.33	5.39	4.83	5.29
1629	NASDAQ	PIRS	Thu, Sep 2, 2021	5.42	5.48	5.18	5.36
1628	NASDAQ	PIRS	Wed, Sep 1, 2021	5.37	5.64	5.25	5.41
1627	NASDAQ	PIRS	Tue, Aug 31, 2021	5.00	5.44	4.96	5.39
1626	NASDAQ	PIRS	Mon, Aug 30, 2021	4.66	5.36	4.63	4.99
1625	NASDAQ	PIRS	Fri, Aug 27, 2021	4.47	4.65	4.43	4.59
1624	NASDAQ	PIRS	Thu, Aug 26, 2021	4.30	4.53	4.29	4.46
1623	NASDAQ	PIRS	Wed, Aug 25, 2021	4.17	4.43	4.02	4.37
1622	NASDAQ	PIRS	Tue, Aug 24, 2021	4.34	4.34	4.06	4.15
1621	NASDAQ	PIRS	Mon, Aug 23, 2021	4.04	4.34	4.04	4.32
1620	NASDAQ	PIRS	Fri, Aug 20, 2021	3.89	4.13	3.88	4.04
1619	NASDAQ	PIRS	Thu, Aug 19, 2021	3.95	3.99	3.86	3.90
1618	NASDAQ	PIRS	Wed, Aug 18, 2021	3.80	4.09	3.74	4.00
1617	NASDAQ	PIRS	Tue, Aug 17, 2021	3.73	3.85	3.68	3.83
1616	NASDAQ	PIRS	Mon, Aug 16, 2021	3.82	3.88	3.68	3.76
1615	NASDAQ	PIRS	Fri, Aug 13, 2021	3.88	3.90	3.78	3.84
1614	NASDAQ	PIRS	Thu, Aug 12, 2021	3.87	3.96	3.83	3.84
1613	NASDAQ	PIRS	Wed, Aug 11, 2021	3.82	3.89	3.72	3.87
1612	NASDAQ	PIRS	Tue, Aug 10, 2021	3.74	3.89	3.74	3.83
1611	NASDAQ	PIRS	Mon, Aug 9, 2021	3.79	3.98	3.72	3.75
1610	NASDAQ	PIRS	Fri, Aug 6, 2021	3.72	3.82	3.64	3.80
1609	NASDAQ	PIRS	Thu, Aug 5, 2021	3.66	3.77	3.55	3.76
1608	NASDAQ	PIRS	Wed, Aug 4, 2021	3.62	3.75	3.46	3.65
1607	NASDAQ	PIRS	Tue, Aug 3, 2021	3.57	3.66	3.41	3.64
1606	NASDAQ	PIRS	Mon, Aug 2, 2021	3.47	3.55	3.45	3.52
1605	NASDAQ	PIRS	Fri, Jul 30, 2021	3.41	3.54	3.40	3.48
1604	NASDAQ	PIRS	Thu, Jul 29, 2021	3.49	3.51	3.40	3.42
1603	NASDAQ	PIRS	Wed, Jul 28, 2021	3.34	3.49	3.34	3.46
1602	NASDAQ	PIRS	Tue, Jul 27, 2021	3.35	3.40	3.21	3.35
1601	NASDAQ	PIRS	Mon, Jul 26, 2021	3.38	3.44	3.31	3.36
1600	NASDAQ	PIRS	Fri, Jul 23, 2021	3.43	3.47	3.33	3.37
1599	NASDAQ	PIRS	Thu, Jul 22, 2021	3.54	3.57	3.45	3.45
1598	NASDAQ	PIRS	Wed, Jul 21, 2021	3.56	3.63	3.49	3.54
1597	NASDAQ	PIRS	Tue, Jul 20, 2021	3.78	3.78	3.46	3.52
1596	NASDAQ	PIRS	Mon, Jul 19, 2021	3.41	3.74	3.39	3.69
1595	NASDAQ	PIRS	Fri, Jul 16, 2021	3.49	3.58	3.41	3.46
1594	NASDAQ	PIRS	Thu, Jul 15, 2021	3.44	3.53	3.38	3.52
1593	NASDAQ	PIRS	Wed, Jul 14, 2021	3.59	3.59	3.38	3.48
1592	NASDAQ	PIRS	Tue, Jul 13, 2021	3.65	3.66	3.53	3.56
1591	NASDAQ	PIRS	Mon, Jul 12, 2021	3.70	3.72	3.57	3.61
1590	NASDAQ	PIRS	Fri, Jul 9, 2021	3.53	3.75	3.46	3.69
1589	NASDAQ	PIRS	Thu, Jul 8, 2021	3.45	3.62	3.42	3.51
1588	NASDAQ	PIRS	Wed, Jul 7, 2021	3.68	3.70	3.47	3.55
1587	NASDAQ	PIRS	Tue, Jul 6, 2021	3.71	3.71	3.55	3.64
1586	NASDAQ	PIRS	Fri, Jul 2, 2021	3.85	3.86	3.58	3.66
1585	NASDAQ	PIRS	Thu, Jul 1, 2021	3.89	4.01	3.73	3.86
1584	NASDAQ	PIRS	Wed, Jun 30, 2021	3.78	4.07	3.63	3.83
1583	NASDAQ	PIRS	Tue, Jun 29, 2021	3.85	3.85	3.66	3.76
1582	NASDAQ	PIRS	Mon, Jun 28, 2021	3.94	4.04	3.74	3.83
1581	NASDAQ	PIRS	Fri, Jun 25, 2021	4.90	4.91	3.92	4.00
1580	NASDAQ	PIRS	Thu, Jun 24, 2021	3.74	4.57	3.70	4.37
1579	NASDAQ	PIRS	Wed, Jun 23, 2021	3.40	3.56	3.39	3.54
1578	NASDAQ	PIRS	Tue, Jun 22, 2021	3.48	3.52	3.36	3.40
1577	NASDAQ	PIRS	Mon, Jun 21, 2021	3.58	3.60	3.38	3.47
1576	NASDAQ	PIRS	Fri, Jun 18, 2021	3.80	3.80	3.26	3.53
1575	NASDAQ	PIRS	Thu, Jun 17, 2021	3.53	3.97	3.53	3.80
1574	NASDAQ	PIRS	Wed, Jun 16, 2021	3.46	3.56	3.36	3.47
1573	NASDAQ	PIRS	Tue, Jun 15, 2021	3.55	3.58	3.34	3.49
1572	NASDAQ	PIRS	Mon, Jun 14, 2021	3.45	3.65	3.43	3.52
1571	NASDAQ	PIRS	Fri, Jun 11, 2021	3.55	3.80	3.45	3.48
1570	NASDAQ	PIRS	Thu, Jun 10, 2021	3.59	3.62	3.42	3.58
1569	NASDAQ	PIRS	Wed, Jun 9, 2021	3.19	3.73	3.18	3.59
1568	NASDAQ	PIRS	Tue, Jun 8, 2021	3.31	3.40	3.15	3.24
1567	NASDAQ	PIRS	Mon, Jun 7, 2021	3.31	3.42	3.26	3.33
1566	NASDAQ	PIRS	Fri, Jun 4, 2021	3.30	3.47	3.24	3.26
1565	NASDAQ	PIRS	Thu, Jun 3, 2021	3.14	3.45	3.09	3.30
1564	NASDAQ	PIRS	Wed, Jun 2, 2021	3.25	3.28	3.09	3.18
1563	NASDAQ	PIRS	Tue, Jun 1, 2021	3.48	3.52	3.25	3.36
1562	NASDAQ	PIRS	Fri, May 28, 2021	3.66	3.83	3.33	3.44
1561	NASDAQ	PIRS	Thu, May 27, 2021	3.39	4.15	3.23	3.81
1560	NASDAQ	PIRS	Wed, May 26, 2021	5.01	5.09	3.34	3.39
1559	NASDAQ	PIRS	Tue, May 25, 2021	2.25	3.79	2.17	3.76
1558	NASDAQ	PIRS	Mon, May 24, 2021	1.93	1.96	1.84	1.85
1557	NASDAQ	PIRS	Fri, May 21, 2021	1.90	1.98	1.84	1.93
1556	NASDAQ	PIRS	Thu, May 20, 2021	1.85	1.91	1.81	1.86
1555	NASDAQ	PIRS	Wed, May 19, 2021	1.90	1.91	1.81	1.84
1554	NASDAQ	PIRS	Tue, May 18, 2021	1.88	1.97	1.88	1.92
1553	NASDAQ	PIRS	Mon, May 17, 2021	1.91	2.04	1.88	1.92
1552	NASDAQ	PIRS	Fri, May 14, 2021	1.87	1.91	1.81	1.88
1551	NASDAQ	PIRS	Thu, May 13, 2021	1.80	1.88	1.75	1.87
1550	NASDAQ	PIRS	Wed, May 12, 2021	1.76	1.88	1.75	1.79
1549	NASDAQ	PIRS	Tue, May 11, 2021	1.76	1.85	1.75	1.76
1548	NASDAQ	PIRS	Mon, May 10, 2021	1.90	1.93	1.80	1.81
1547	NASDAQ	PIRS	Fri, May 7, 2021	2.03	2.03	1.85	1.93
1546	NASDAQ	PIRS	Thu, May 6, 2021	1.90	2.05	1.86	1.99
1545	NASDAQ	PIRS	Wed, May 5, 2021	2.07	2.08	1.70	1.86
1544	NASDAQ	PIRS	Tue, May 4, 2021	2.10	2.13	2.06	2.07
1543	NASDAQ	PIRS	Mon, May 3, 2021	2.16	2.23	2.10	2.13
1542	NASDAQ	PIRS	Fri, Apr 30, 2021	2.17	2.23	2.12	2.16
1541	NASDAQ	PIRS	Thu, Apr 29, 2021	2.30	2.33	2.15	2.21
1540	NASDAQ	PIRS	Wed, Apr 28, 2021	2.25	2.31	2.21	2.26
1539	NASDAQ	PIRS	Tue, Apr 27, 2021	2.45	2.46	2.20	2.25
1538	NASDAQ	PIRS	Mon, Apr 26, 2021	2.28	2.44	2.27	2.42
1537	NASDAQ	PIRS	Fri, Apr 23, 2021	2.27	2.32	2.17	2.28
1536	NASDAQ	PIRS	Thu, Apr 22, 2021	2.32	2.33	2.23	2.26
1535	NASDAQ	PIRS	Wed, Apr 21, 2021	2.32	2.38	2.20	2.33
1534	NASDAQ	PIRS	Tue, Apr 20, 2021	2.17	2.36	2.13	2.31
1533	NASDAQ	PIRS	Mon, Apr 19, 2021	2.10	2.23	2.09	2.17
1532	NASDAQ	PIRS	Fri, Apr 16, 2021	2.14	2.16	2.08	2.12
1531	NASDAQ	PIRS	Thu, Apr 15, 2021	2.08	2.19	2.05	2.16
1530	NASDAQ	PIRS	Wed, Apr 14, 2021	2.22	2.29	2.07	2.09
1529	NASDAQ	PIRS	Tue, Apr 13, 2021	2.19	2.31	2.14	2.22
1528	NASDAQ	PIRS	Mon, Apr 12, 2021	2.60	2.68	2.15	2.20
1527	NASDAQ	PIRS	Fri, Apr 9, 2021	2.86	2.88	2.71	2.78
1526	NASDAQ	PIRS	Thu, Apr 8, 2021	2.67	2.91	2.59	2.87
1525	NASDAQ	PIRS	Wed, Apr 7, 2021	2.61	2.66	2.56	2.64
1524	NASDAQ	PIRS	Tue, Apr 6, 2021	2.61	2.70	2.58	2.62
1523	NASDAQ	PIRS	Mon, Apr 5, 2021	2.65	2.74	2.57	2.60
1522	NASDAQ	PIRS	Thu, Apr 1, 2021	2.60	2.64	2.51	2.59
1521	NASDAQ	PIRS	Wed, Mar 31, 2021	2.55	2.61	2.52	2.57
1520	NASDAQ	PIRS	Tue, Mar 30, 2021	2.58	2.62	2.41	2.50
1519	NASDAQ	PIRS	Mon, Mar 29, 2021	2.59	2.65	2.45	2.47
1518	NASDAQ	PIRS	Fri, Mar 26, 2021	2.60	2.68	2.47	2.60
1517	NASDAQ	PIRS	Thu, Mar 25, 2021	2.78	2.78	2.43	2.58
1516	NASDAQ	PIRS	Wed, Mar 24, 2021	2.66	2.68	2.50	2.50
1515	NASDAQ	PIRS	Tue, Mar 23, 2021	2.86	2.89	2.61	2.61
1514	NASDAQ	PIRS	Mon, Mar 22, 2021	2.66	2.89	2.62	2.82
1513	NASDAQ	PIRS	Fri, Mar 19, 2021	2.64	2.72	2.56	2.65
1512	NASDAQ	PIRS	Thu, Mar 18, 2021	2.73	2.77	2.62	2.63
1511	NASDAQ	PIRS	Wed, Mar 17, 2021	2.75	2.82	2.58	2.77
1510	NASDAQ	PIRS	Tue, Mar 16, 2021	2.76	2.76	2.63	2.74
1509	NASDAQ	PIRS	Mon, Mar 15, 2021	2.62	2.78	2.61	2.76
1508	NASDAQ	PIRS	Fri, Mar 12, 2021	2.65	2.68	2.55	2.64
1507	NASDAQ	PIRS	Thu, Mar 11, 2021	2.63	2.66	2.57	2.64
1506	NASDAQ	PIRS	Wed, Mar 10, 2021	2.68	2.72	2.54	2.56
1505	NASDAQ	PIRS	Tue, Mar 9, 2021	2.42	2.71	2.42	2.65
1504	NASDAQ	PIRS	Mon, Mar 8, 2021	2.58	2.58	2.39	2.41
1503	NASDAQ	PIRS	Fri, Mar 5, 2021	2.52	2.58	2.31	2.57
1502	NASDAQ	PIRS	Thu, Mar 4, 2021	2.70	2.70	2.34	2.50
1501	NASDAQ	PIRS	Wed, Mar 3, 2021	2.72	2.80	2.61	2.70
1500	NASDAQ	PIRS	Tue, Mar 2, 2021	2.84	2.93	2.72	2.72
1499	NASDAQ	PIRS	Mon, Mar 1, 2021	2.79	2.87	2.72	2.76
1498	NASDAQ	PIRS	Fri, Feb 26, 2021	2.82	2.87	2.66	2.72
1497	NASDAQ	PIRS	Thu, Feb 25, 2021	2.78	3.01	2.70	2.80
1496	NASDAQ	PIRS	Wed, Feb 24, 2021	2.58	2.92	2.58	2.83
1495	NASDAQ	PIRS	Tue, Feb 23, 2021	2.66	2.81	2.53	2.61
1494	NASDAQ	PIRS	Mon, Feb 22, 2021	2.86	2.93	2.75	2.77
1493	NASDAQ	PIRS	Fri, Feb 19, 2021	2.90	2.94	2.81	2.84
1492	NASDAQ	PIRS	Thu, Feb 18, 2021	3.05	3.07	2.86	2.87
1491	NASDAQ	PIRS	Wed, Feb 17, 2021	3.21	3.35	3.04	3.05
1490	NASDAQ	PIRS	Tue, Feb 16, 2021	3.13	3.30	3.05	3.24
1489	NASDAQ	PIRS	Fri, Feb 12, 2021	2.94	3.02	2.81	2.94
1488	NASDAQ	PIRS	Thu, Feb 11, 2021	3.23	3.26	2.90	2.93
1487	NASDAQ	PIRS	Wed, Feb 10, 2021	2.94	3.45	2.82	3.19
1486	NASDAQ	PIRS	Tue, Feb 9, 2021	2.94	2.97	2.88	2.92
1485	NASDAQ	PIRS	Mon, Feb 8, 2021	2.88	2.95	2.80	2.95
1484	NASDAQ	PIRS	Fri, Feb 5, 2021	2.91	2.91	2.74	2.86
1483	NASDAQ	PIRS	Thu, Feb 4, 2021	2.87	2.90	2.80	2.89
1482	NASDAQ	PIRS	Wed, Feb 3, 2021	2.71	2.87	2.66	2.86
1481	NASDAQ	PIRS	Tue, Feb 2, 2021	2.74	2.76	2.63	2.70
1480	NASDAQ	PIRS	Mon, Feb 1, 2021	2.55	2.74	2.50	2.71
1479	NASDAQ	PIRS	Fri, Jan 29, 2021	2.56	2.62	2.48	2.54
1478	NASDAQ	PIRS	Thu, Jan 28, 2021	2.58	2.66	2.51	2.55
1477	NASDAQ	PIRS	Wed, Jan 27, 2021	2.69	2.70	2.50	2.55
1476	NASDAQ	PIRS	Tue, Jan 26, 2021	2.85	2.87	2.70	2.75
1475	NASDAQ	PIRS	Mon, Jan 25, 2021	2.78	2.85	2.69	2.83
1474	NASDAQ	PIRS	Fri, Jan 22, 2021	2.72	2.79	2.65	2.77
1473	NASDAQ	PIRS	Thu, Jan 21, 2021	2.83	2.83	2.71	2.72
1472	NASDAQ	PIRS	Wed, Jan 20, 2021	2.68	2.87	2.67	2.80
1471	NASDAQ	PIRS	Tue, Jan 19, 2021	2.78	2.83	2.62	2.67
1470	NASDAQ	PIRS	Fri, Jan 15, 2021	2.73	2.81	2.65	2.66
1469	NASDAQ	PIRS	Thu, Jan 14, 2021	2.66	2.84	2.66	2.79
1468	NASDAQ	PIRS	Wed, Jan 13, 2021	2.76	2.79	2.65	2.66
1467	NASDAQ	PIRS	Tue, Jan 12, 2021	2.80	2.84	2.66	2.77
1466	NASDAQ	PIRS	Mon, Jan 11, 2021	2.84	2.86	2.76	2.81
1465	NASDAQ	PIRS	Fri, Jan 8, 2021	2.79	2.86	2.73	2.84
1464	NASDAQ	PIRS	Thu, Jan 7, 2021	2.75	2.88	2.72	2.78
1463	NASDAQ	PIRS	Wed, Jan 6, 2021	2.70	2.88	2.70	2.73
1462	NASDAQ	PIRS	Tue, Jan 5, 2021	2.70	2.73	2.66	2.69
1461	NASDAQ	PIRS	Mon, Jan 4, 2021	2.57	2.82	2.51	2.73
1460	NASDAQ	PIRS	Thu, Dec 31, 2020	2.65	2.65	2.48	2.50
1459	NASDAQ	PIRS	Wed, Dec 30, 2020	2.63	2.69	2.52	2.65
1458	NASDAQ	PIRS	Tue, Dec 29, 2020	2.61	2.65	2.51	2.54
1457	NASDAQ	PIRS	Mon, Dec 28, 2020	2.74	2.79	2.61	2.61
1456	NASDAQ	PIRS	Thu, Dec 24, 2020	2.76	2.79	2.70	2.74
1455	NASDAQ	PIRS	Wed, Dec 23, 2020	2.80	2.81	2.71	2.77
1454	NASDAQ	PIRS	Tue, Dec 22, 2020	2.78	2.90	2.73	2.80
1453	NASDAQ	PIRS	Mon, Dec 21, 2020	2.73	2.83	2.71	2.78
1452	NASDAQ	PIRS	Fri, Dec 18, 2020	2.99	3.07	2.80	2.81
1451	NASDAQ	PIRS	Thu, Dec 17, 2020	2.88	3.03	2.88	2.96
1450	NASDAQ	PIRS	Wed, Dec 16, 2020	3.07	3.10	2.81	2.92
1449	NASDAQ	PIRS	Tue, Dec 15, 2020	2.70	3.15	2.64	3.13
1448	NASDAQ	PIRS	Mon, Dec 14, 2020	2.76	2.80	2.66	2.67
1447	NASDAQ	PIRS	Fri, Dec 11, 2020	2.85	2.86	2.62	2.74
1446	NASDAQ	PIRS	Thu, Dec 10, 2020	2.93	2.99	2.78	2.87
1445	NASDAQ	PIRS	Wed, Dec 9, 2020	2.74	3.02	2.71	2.93
1444	NASDAQ	PIRS	Tue, Dec 8, 2020	2.80	2.80	2.68	2.70
1443	NASDAQ	PIRS	Mon, Dec 7, 2020	2.98	2.98	2.72	2.74
1442	NASDAQ	PIRS	Fri, Dec 4, 2020	2.96	2.98	2.91	2.98
1441	NASDAQ	PIRS	Thu, Dec 3, 2020	2.93	2.98	2.85	2.94
1440	NASDAQ	PIRS	Wed, Dec 2, 2020	2.84	2.93	2.76	2.89
1439	NASDAQ	PIRS	Tue, Dec 1, 2020	2.94	3.04	2.80	2.83
1438	NASDAQ	PIRS	Mon, Nov 30, 2020	2.94	3.01	2.76	2.92
1437	NASDAQ	PIRS	Fri, Nov 27, 2020	2.93	3.06	2.91	2.95
1436	NASDAQ	PIRS	Wed, Nov 25, 2020	2.93	2.99	2.82	2.89
1435	NASDAQ	PIRS	Tue, Nov 24, 2020	2.90	3.00	2.78	2.93
1434	NASDAQ	PIRS	Mon, Nov 23, 2020	2.80	2.93	2.75	2.82
1433	NASDAQ	PIRS	Fri, Nov 20, 2020	2.68	2.81	2.58	2.78
1432	NASDAQ	PIRS	Thu, Nov 19, 2020	2.75	2.77	2.65	2.72
1431	NASDAQ	PIRS	Wed, Nov 18, 2020	2.80	2.86	2.72	2.75
1430	NASDAQ	PIRS	Tue, Nov 17, 2020	2.80	2.89	2.75	2.81
1429	NASDAQ	PIRS	Mon, Nov 16, 2020	2.82	2.92	2.74	2.84
1428	NASDAQ	PIRS	Fri, Nov 13, 2020	2.68	2.78	2.65	2.73
1427	NASDAQ	PIRS	Thu, Nov 12, 2020	2.66	2.71	2.58	2.65
1426	NASDAQ	PIRS	Wed, Nov 11, 2020	2.85	2.88	2.63	2.68
1425	NASDAQ	PIRS	Tue, Nov 10, 2020	2.73	2.96	2.69	2.82
1424	NASDAQ	PIRS	Mon, Nov 9, 2020	2.57	2.80	2.57	2.69
1423	NASDAQ	PIRS	Fri, Nov 6, 2020	2.74	2.74	2.55	2.55
1422	NASDAQ	PIRS	Thu, Nov 5, 2020	2.63	2.74	2.56	2.71
1421	NASDAQ	PIRS	Wed, Nov 4, 2020	2.50	2.74	2.44	2.67
1420	NASDAQ	PIRS	Tue, Nov 3, 2020	2.59	2.64	2.40	2.50
1419	NASDAQ	PIRS	Mon, Nov 2, 2020	2.51	2.59	2.41	2.53
1418	NASDAQ	PIRS	Fri, Oct 30, 2020	2.41	2.53	2.40	2.51
1417	NASDAQ	PIRS	Thu, Oct 29, 2020	2.39	2.50	2.39	2.44
1416	NASDAQ	PIRS	Wed, Oct 28, 2020	2.31	2.48	2.28	2.41
1415	NASDAQ	PIRS	Tue, Oct 27, 2020	2.38	2.41	2.30	2.36
1414	NASDAQ	PIRS	Mon, Oct 26, 2020	2.24	2.39	2.20	2.38
1413	NASDAQ	PIRS	Fri, Oct 23, 2020	2.27	2.29	2.19	2.25
1412	NASDAQ	PIRS	Thu, Oct 22, 2020	2.19	2.30	2.16	2.26
1411	NASDAQ	PIRS	Wed, Oct 21, 2020	2.31	2.34	2.15	2.16
1410	NASDAQ	PIRS	Tue, Oct 20, 2020	2.51	2.58	2.27	2.33
1409	NASDAQ	PIRS	Mon, Oct 19, 2020	2.38	2.53	2.34	2.50
1408	NASDAQ	PIRS	Fri, Oct 16, 2020	2.33	2.42	2.30	2.38
1407	NASDAQ	PIRS	Thu, Oct 15, 2020	2.39	2.39	2.24	2.35
1406	NASDAQ	PIRS	Wed, Oct 14, 2020	2.37	2.48	2.34	2.39
1405	NASDAQ	PIRS	Tue, Oct 13, 2020	2.26	2.37	2.21	2.36
1404	NASDAQ	PIRS	Mon, Oct 12, 2020	2.21	2.31	2.19	2.29
1403	NASDAQ	PIRS	Fri, Oct 9, 2020	2.13	2.23	2.11	2.19
1402	NASDAQ	PIRS	Thu, Oct 8, 2020	2.11	2.18	2.10	2.16
1401	NASDAQ	PIRS	Wed, Oct 7, 2020	2.05	2.10	2.00	2.09
1400	NASDAQ	PIRS	Tue, Oct 6, 2020	2.08	2.14	2.02	2.02
1399	NASDAQ	PIRS	Mon, Oct 5, 2020	2.03	2.12	1.98	2.08
1398	NASDAQ	PIRS	Fri, Oct 2, 2020	2.00	2.10	1.95	1.96
1397	NASDAQ	PIRS	Thu, Oct 1, 2020	2.09	2.10	1.99	2.07
1396	NASDAQ	PIRS	Wed, Sep 30, 2020	2.03	2.15	2.00	2.07
1395	NASDAQ	PIRS	Tue, Sep 29, 2020	2.15	2.15	2.01	2.06
1394	NASDAQ	PIRS	Mon, Sep 28, 2020	2.00	2.17	1.96	2.14
1393	NASDAQ	PIRS	Fri, Sep 25, 2020	2.02	2.12	1.96	1.96
1392	NASDAQ	PIRS	Thu, Sep 24, 2020	2.10	2.12	1.97	2.03
1391	NASDAQ	PIRS	Wed, Sep 23, 2020	2.26	2.27	2.08	2.10
1390	NASDAQ	PIRS	Tue, Sep 22, 2020	2.37	2.37	2.21	2.24
1389	NASDAQ	PIRS	Mon, Sep 21, 2020	2.84	2.86	2.24	2.33
1388	NASDAQ	PIRS	Fri, Sep 18, 2020	3.03	3.12	2.92	2.95
1387	NASDAQ	PIRS	Thu, Sep 17, 2020	2.86	3.06	2.86	2.99
1386	NASDAQ	PIRS	Wed, Sep 16, 2020	2.98	3.12	2.88	2.88
1385	NASDAQ	PIRS	Tue, Sep 15, 2020	2.97	3.09	2.92	2.94
1384	NASDAQ	PIRS	Mon, Sep 14, 2020	2.80	2.98	2.80	2.92
1383	NASDAQ	PIRS	Fri, Sep 11, 2020	2.81	2.97	2.74	2.77
1382	NASDAQ	PIRS	Thu, Sep 10, 2020	2.79	2.93	2.71	2.78
1381	NASDAQ	PIRS	Wed, Sep 9, 2020	2.69	2.87	2.69	2.82
1380	NASDAQ	PIRS	Tue, Sep 8, 2020	2.67	2.67	2.53	2.64
1379	NASDAQ	PIRS	Fri, Sep 4, 2020	2.74	2.77	2.56	2.70
1378	NASDAQ	PIRS	Thu, Sep 3, 2020	2.82	2.89	2.70	2.70
1377	NASDAQ	PIRS	Wed, Sep 2, 2020	2.78	2.87	2.72	2.82
1376	NASDAQ	PIRS	Tue, Sep 1, 2020	2.85	2.92	2.73	2.79
1375	NASDAQ	PIRS	Mon, Aug 31, 2020	2.83	2.90	2.73	2.86
1374	NASDAQ	PIRS	Fri, Aug 28, 2020	2.88	2.88	2.77	2.86
1373	NASDAQ	PIRS	Thu, Aug 27, 2020	2.96	2.96	2.81	2.88
1372	NASDAQ	PIRS	Wed, Aug 26, 2020	2.95	2.98	2.86	2.93
1371	NASDAQ	PIRS	Tue, Aug 25, 2020	2.94	3.04	2.87	2.94
1370	NASDAQ	PIRS	Mon, Aug 24, 2020	3.20	3.20	2.85	2.94
1369	NASDAQ	PIRS	Fri, Aug 21, 2020	3.17	3.17	3.06	3.17
1368	NASDAQ	PIRS	Thu, Aug 20, 2020	3.06	3.18	3.05	3.17
1367	NASDAQ	PIRS	Wed, Aug 19, 2020	3.14	3.20	3.04	3.09
1366	NASDAQ	PIRS	Tue, Aug 18, 2020	3.10	3.19	3.07	3.11
1365	NASDAQ	PIRS	Mon, Aug 17, 2020	3.06	3.11	3.00	3.10
1364	NASDAQ	PIRS	Fri, Aug 14, 2020	3.10	3.11	3.01	3.05
1363	NASDAQ	PIRS	Thu, Aug 13, 2020	3.29	3.30	3.06	3.11
1362	NASDAQ	PIRS	Wed, Aug 12, 2020	3.24	3.45	3.13	3.24
1361	NASDAQ	PIRS	Tue, Aug 11, 2020	2.83	3.31	2.80	3.16
1360	NASDAQ	PIRS	Mon, Aug 10, 2020	2.88	2.91	2.65	2.79
1359	NASDAQ	PIRS	Fri, Aug 7, 2020	2.77	2.77	2.67	2.70
1358	NASDAQ	PIRS	Thu, Aug 6, 2020	2.84	2.84	2.72	2.76
1357	NASDAQ	PIRS	Wed, Aug 5, 2020	2.82	2.87	2.69	2.85
1356	NASDAQ	PIRS	Tue, Aug 4, 2020	2.69	2.83	2.66	2.76
1355	NASDAQ	PIRS	Mon, Aug 3, 2020	2.59	2.75	2.59	2.71
1354	NASDAQ	PIRS	Fri, Jul 31, 2020	2.78	2.78	2.56	2.57
1353	NASDAQ	PIRS	Thu, Jul 30, 2020	2.64	2.80	2.60	2.76
1352	NASDAQ	PIRS	Wed, Jul 29, 2020	2.87	2.87	2.60	2.68
1351	NASDAQ	PIRS	Tue, Jul 28, 2020	2.78	2.91	2.76	2.86
1350	NASDAQ	PIRS	Mon, Jul 27, 2020	2.95	3.02	2.75	2.78
1349	NASDAQ	PIRS	Fri, Jul 24, 2020	2.97	3.02	2.92	2.92
1348	NASDAQ	PIRS	Thu, Jul 23, 2020	3.02	3.19	2.95	2.95
1347	NASDAQ	PIRS	Wed, Jul 22, 2020	2.96	3.02	2.92	3.00
1346	NASDAQ	PIRS	Tue, Jul 21, 2020	2.98	3.13	2.90	2.96
1345	NASDAQ	PIRS	Mon, Jul 20, 2020	3.23	3.34	3.23	3.28
1344	NASDAQ	PIRS	Fri, Jul 17, 2020	3.49	3.50	3.22	3.23
1343	NASDAQ	PIRS	Thu, Jul 16, 2020	3.21	3.52	3.16	3.51
1342	NASDAQ	PIRS	Wed, Jul 15, 2020	3.01	3.31	2.99	3.22
1341	NASDAQ	PIRS	Tue, Jul 14, 2020	2.93	2.98	2.83	2.93
1340	NASDAQ	PIRS	Mon, Jul 13, 2020	3.10	3.11	2.93	2.94
1339	NASDAQ	PIRS	Fri, Jul 10, 2020	2.91	3.14	2.90	3.06
1338	NASDAQ	PIRS	Thu, Jul 9, 2020	3.11	3.13	2.90	2.91
1337	NASDAQ	PIRS	Wed, Jul 8, 2020	3.32	3.34	3.01	3.06
1336	NASDAQ	PIRS	Tue, Jul 7, 2020	3.22	3.36	3.12	3.32
1335	NASDAQ	PIRS	Mon, Jul 6, 2020	3.10	3.24	2.95	3.23
1334	NASDAQ	PIRS	Thu, Jul 2, 2020	3.15	3.26	3.05	3.06
1333	NASDAQ	PIRS	Wed, Jul 1, 2020	3.10	3.17	3.02	3.11
1332	NASDAQ	PIRS	Tue, Jun 30, 2020	3.18	3.23	3.05	3.10
1331	NASDAQ	PIRS	Mon, Jun 29, 2020	3.21	3.29	3.10	3.19
1330	NASDAQ	PIRS	Fri, Jun 26, 2020	3.29	3.32	3.07	3.18
1329	NASDAQ	PIRS	Thu, Jun 25, 2020	3.19	3.33	3.18	3.29
1328	NASDAQ	PIRS	Wed, Jun 24, 2020	3.25	3.38	3.16	3.22
1327	NASDAQ	PIRS	Tue, Jun 23, 2020	3.40	3.49	3.22	3.27
1326	NASDAQ	PIRS	Mon, Jun 22, 2020	3.26	3.37	3.13	3.37
1325	NASDAQ	PIRS	Fri, Jun 19, 2020	3.33	3.33	3.13	3.29
1324	NASDAQ	PIRS	Thu, Jun 18, 2020	3.02	3.32	3.01	3.30
1323	NASDAQ	PIRS	Wed, Jun 17, 2020	3.23	3.28	2.95	3.02
1322	NASDAQ	PIRS	Tue, Jun 16, 2020	3.10	3.22	3.03	3.21
1321	NASDAQ	PIRS	Mon, Jun 15, 2020	2.93	3.15	2.93	3.08
1320	NASDAQ	PIRS	Fri, Jun 12, 2020	3.04	3.11	2.94	3.04
1319	NASDAQ	PIRS	Thu, Jun 11, 2020	3.09	3.25	2.89	2.92
1318	NASDAQ	PIRS	Wed, Jun 10, 2020	3.40	3.42	3.23	3.25
1317	NASDAQ	PIRS	Tue, Jun 9, 2020	3.25	3.49	3.25	3.40
1316	NASDAQ	PIRS	Mon, Jun 8, 2020	3.40	3.44	3.25	3.27
1315	NASDAQ	PIRS	Fri, Jun 5, 2020	3.41	3.50	3.31	3.34
1314	NASDAQ	PIRS	Thu, Jun 4, 2020	3.43	3.50	3.17	3.30
1313	NASDAQ	PIRS	Wed, Jun 3, 2020	3.48	3.59	3.38	3.48
1312	NASDAQ	PIRS	Tue, Jun 2, 2020	3.54	3.54	3.29	3.45
1311	NASDAQ	PIRS	Mon, Jun 1, 2020	3.56	3.59	3.30	3.48
1310	NASDAQ	PIRS	Fri, May 29, 2020	3.18	3.64	3.15	3.60
1309	NASDAQ	PIRS	Thu, May 28, 2020	3.46	3.53	3.19	3.22
1308	NASDAQ	PIRS	Wed, May 27, 2020	3.34	3.42	3.12	3.40
1307	NASDAQ	PIRS	Tue, May 26, 2020	3.19	3.33	3.07	3.30
1306	NASDAQ	PIRS	Fri, May 22, 2020	3.15	3.15	3.02	3.07
1305	NASDAQ	PIRS	Thu, May 21, 2020	3.08	3.18	2.99	3.12
1304	NASDAQ	PIRS	Wed, May 20, 2020	2.89	3.09	2.83	3.05
1303	NASDAQ	PIRS	Tue, May 19, 2020	2.96	3.01	2.79	2.81
1302	NASDAQ	PIRS	Mon, May 18, 2020	2.86	3.03	2.79	2.98
1301	NASDAQ	PIRS	Fri, May 15, 2020	2.79	2.82	2.71	2.72
1300	NASDAQ	PIRS	Thu, May 14, 2020	2.76	2.94	2.67	2.79
1299	NASDAQ	PIRS	Wed, May 13, 2020	2.94	3.10	2.68	2.87
1298	NASDAQ	PIRS	Tue, May 12, 2020	3.25	3.25	2.98	2.98
1297	NASDAQ	PIRS	Mon, May 11, 2020	2.88	3.24	2.77	3.18
1296	NASDAQ	PIRS	Fri, May 8, 2020	2.65	2.92	2.57	2.91
1295	NASDAQ	PIRS	Thu, May 7, 2020	2.64	2.71	2.56	2.59
1294	NASDAQ	PIRS	Wed, May 6, 2020	2.60	2.66	2.48	2.57
1293	NASDAQ	PIRS	Tue, May 5, 2020	2.70	2.70	2.55	2.58
1292	NASDAQ	PIRS	Mon, May 4, 2020	2.31	2.73	2.30	2.65
1291	NASDAQ	PIRS	Fri, May 1, 2020	2.58	2.61	2.33	2.34
1290	NASDAQ	PIRS	Thu, Apr 30, 2020	2.79	2.82	2.61	2.65
1289	NASDAQ	PIRS	Wed, Apr 29, 2020	2.85	2.85	2.74	2.84
1288	NASDAQ	PIRS	Tue, Apr 28, 2020	2.92	2.92	2.65	2.74
1287	NASDAQ	PIRS	Mon, Apr 27, 2020	2.92	3.01	2.81	2.84
1286	NASDAQ	PIRS	Fri, Apr 24, 2020	2.62	2.98	2.62	2.84
1285	NASDAQ	PIRS	Thu, Apr 23, 2020	2.57	2.70	2.53	2.62
1284	NASDAQ	PIRS	Wed, Apr 22, 2020	2.68	2.69	2.45	2.54
1283	NASDAQ	PIRS	Tue, Apr 21, 2020	2.61	2.66	2.51	2.62
1282	NASDAQ	PIRS	Mon, Apr 20, 2020	2.68	2.97	2.62	2.67
1281	NASDAQ	PIRS	Fri, Apr 17, 2020	2.85	2.85	2.61	2.69
1280	NASDAQ	PIRS	Thu, Apr 16, 2020	2.61	2.79	2.53	2.77
1279	NASDAQ	PIRS	Wed, Apr 15, 2020	2.64	2.65	2.55	2.58
1278	NASDAQ	PIRS	Tue, Apr 14, 2020	2.75	2.75	2.61	2.70
1277	NASDAQ	PIRS	Mon, Apr 13, 2020	2.51	2.69	2.43	2.65
1276	NASDAQ	PIRS	Thu, Apr 9, 2020	2.41	2.60	2.35	2.53
1275	NASDAQ	PIRS	Wed, Apr 8, 2020	2.56	2.61	2.31	2.39
1274	NASDAQ	PIRS	Tue, Apr 7, 2020	2.50	2.73	2.43	2.58
1273	NASDAQ	PIRS	Mon, Apr 6, 2020	2.20	2.46	2.15	2.44
1272	NASDAQ	PIRS	Fri, Apr 3, 2020	2.12	2.20	2.02	2.09
1271	NASDAQ	PIRS	Thu, Apr 2, 2020	2.11	2.18	1.94	2.12
1270	NASDAQ	PIRS	Wed, Apr 1, 2020	2.18	2.31	2.05	2.06
1269	NASDAQ	PIRS	Tue, Mar 31, 2020	2.09	2.30	2.07	2.28
1268	NASDAQ	PIRS	Mon, Mar 30, 2020	2.01	2.23	1.97	2.07
1267	NASDAQ	PIRS	Fri, Mar 27, 2020	2.15	2.28	2.00	2.00
1266	NASDAQ	PIRS	Thu, Mar 26, 2020	2.28	2.42	2.17	2.25
1265	NASDAQ	PIRS	Wed, Mar 25, 2020	2.30	2.49	2.15	2.26
1264	NASDAQ	PIRS	Tue, Mar 24, 2020	2.23	2.30	2.13	2.26
1263	NASDAQ	PIRS	Mon, Mar 23, 2020	2.04	2.14	1.93	2.09
1262	NASDAQ	PIRS	Fri, Mar 20, 2020	1.95	2.01	1.80	2.04
1261	NASDAQ	PIRS	Thu, Mar 19, 2020	1.76	2.03	1.66	1.93
1260	NASDAQ	PIRS	Wed, Mar 18, 2020	1.91	2.04	1.66	1.76
1259	NASDAQ	PIRS	Tue, Mar 17, 2020	2.00	2.07	1.77	2.02
1258	NASDAQ	PIRS	Mon, Mar 16, 2020	1.75	2.10	1.70	1.96
1257	NASDAQ	PIRS	Fri, Mar 13, 2020	1.89	2.20	1.70	2.16
1256	NASDAQ	PIRS	Thu, Mar 12, 2020	2.07	2.11	1.60	1.61
1255	NASDAQ	PIRS	Wed, Mar 11, 2020	2.49	2.52	2.15	2.23
1254	NASDAQ	PIRS	Tue, Mar 10, 2020	2.71	2.75	2.38	2.57
1253	NASDAQ	PIRS	Mon, Mar 9, 2020	2.70	2.79	2.56	2.58
1252	NASDAQ	PIRS	Fri, Mar 6, 2020	3.06	3.14	2.83	2.90
1251	NASDAQ	PIRS	Thu, Mar 5, 2020	3.24	3.36	3.08	3.13
1250	NASDAQ	PIRS	Wed, Mar 4, 2020	3.22	3.38	3.15	3.35
1249	NASDAQ	PIRS	Tue, Mar 3, 2020	3.38	3.42	3.05	3.15
1248	NASDAQ	PIRS	Mon, Mar 2, 2020	3.18	3.37	2.98	3.35
1247	NASDAQ	PIRS	Fri, Feb 28, 2020	3.02	3.11	2.89	3.11
1246	NASDAQ	PIRS	Thu, Feb 27, 2020	3.33	3.33	3.05	3.15
1245	NASDAQ	PIRS	Wed, Feb 26, 2020	3.48	3.57	3.31	3.41
1244	NASDAQ	PIRS	Tue, Feb 25, 2020	3.67	3.67	3.38	3.49
1243	NASDAQ	PIRS	Mon, Feb 24, 2020	3.80	3.80	3.56	3.64
1242	NASDAQ	PIRS	Fri, Feb 21, 2020	3.90	4.12	3.76	3.95
1241	NASDAQ	PIRS	Thu, Feb 20, 2020	3.79	3.95	3.65	3.92
1240	NASDAQ	PIRS	Wed, Feb 19, 2020	3.75	3.84	3.62	3.75
1239	NASDAQ	PIRS	Tue, Feb 18, 2020	3.66	3.86	3.62	3.76
1238	NASDAQ	PIRS	Fri, Feb 14, 2020	3.96	3.99	3.72	3.73
1237	NASDAQ	PIRS	Thu, Feb 13, 2020	4.17	4.17	3.95	3.96
1236	NASDAQ	PIRS	Wed, Feb 12, 2020	4.01	4.24	3.96	4.19
1235	NASDAQ	PIRS	Tue, Feb 11, 2020	3.88	4.19	3.79	4.00
1234	NASDAQ	PIRS	Mon, Feb 10, 2020	3.78	4.02	3.71	3.85
1233	NASDAQ	PIRS	Fri, Feb 7, 2020	3.86	4.00	3.72	3.78
1232	NASDAQ	PIRS	Thu, Feb 6, 2020	3.98	3.98	3.73	3.86
1231	NASDAQ	PIRS	Wed, Feb 5, 2020	4.19	4.22	3.93	3.97
1230	NASDAQ	PIRS	Tue, Feb 4, 2020	4.27	4.30	4.01	4.14
1229	NASDAQ	PIRS	Mon, Feb 3, 2020	3.73	4.27	3.73	4.24
1228	NASDAQ	PIRS	Fri, Jan 31, 2020	3.61	3.82	3.57	3.70
1227	NASDAQ	PIRS	Thu, Jan 30, 2020	3.63	3.75	3.55	3.66
1226	NASDAQ	PIRS	Wed, Jan 29, 2020	3.85	4.14	3.66	3.67
1225	NASDAQ	PIRS	Tue, Jan 28, 2020	3.07	4.06	3.06	4.00
1224	NASDAQ	PIRS	Mon, Jan 27, 2020	3.03	3.13	2.70	3.03
1223	NASDAQ	PIRS	Fri, Jan 24, 2020	3.42	3.46	3.15	3.23
1222	NASDAQ	PIRS	Thu, Jan 23, 2020	3.33	3.47	3.26	3.45
1221	NASDAQ	PIRS	Wed, Jan 22, 2020	3.14	3.36	3.10	3.35
1220	NASDAQ	PIRS	Tue, Jan 21, 2020	3.31	3.34	3.13	3.14
1219	NASDAQ	PIRS	Fri, Jan 17, 2020	3.39	3.42	3.23	3.31
1218	NASDAQ	PIRS	Thu, Jan 16, 2020	3.26	3.45	3.23	3.35
1217	NASDAQ	PIRS	Wed, Jan 15, 2020	3.19	3.32	3.15	3.26
1216	NASDAQ	PIRS	Tue, Jan 14, 2020	3.31	3.34	3.07	3.16
1215	NASDAQ	PIRS	Mon, Jan 13, 2020	3.36	3.40	3.25	3.33
1214	NASDAQ	PIRS	Fri, Jan 10, 2020	3.51	3.52	3.36	3.37
1213	NASDAQ	PIRS	Thu, Jan 9, 2020	3.37	3.53	3.37	3.52
1212	NASDAQ	PIRS	Wed, Jan 8, 2020	3.35	3.42	3.25	3.37
1211	NASDAQ	PIRS	Tue, Jan 7, 2020	3.38	3.44	3.31	3.38
1210	NASDAQ	PIRS	Mon, Jan 6, 2020	3.39	3.46	3.35	3.38
1209	NASDAQ	PIRS	Fri, Jan 3, 2020	3.36	3.48	3.34	3.42
1208	NASDAQ	PIRS	Thu, Jan 2, 2020	3.64	3.65	3.36	3.42
1207	NASDAQ	PIRS	Tue, Dec 31, 2019	3.58	3.76	3.38	3.62
1206	NASDAQ	PIRS	Mon, Dec 30, 2019	3.30	3.61	3.19	3.60
1205	NASDAQ	PIRS	Fri, Dec 27, 2019	3.36	3.44	3.30	3.32
1204	NASDAQ	PIRS	Thu, Dec 26, 2019	3.54	3.60	3.35	3.38
1203	NASDAQ	PIRS	Tue, Dec 24, 2019	3.61	3.63	3.41	3.52
1202	NASDAQ	PIRS	Mon, Dec 23, 2019	3.31	3.61	3.27	3.60
1201	NASDAQ	PIRS	Fri, Dec 20, 2019	3.36	3.37	3.21	3.32
1200	NASDAQ	PIRS	Thu, Dec 19, 2019	3.30	3.38	3.25	3.36
1199	NASDAQ	PIRS	Wed, Dec 18, 2019	3.20	3.35	3.16	3.30
1198	NASDAQ	PIRS	Tue, Dec 17, 2019	3.24	3.33	3.16	3.19
1197	NASDAQ	PIRS	Mon, Dec 16, 2019	3.39	3.40	3.24	3.26
1196	NASDAQ	PIRS	Fri, Dec 13, 2019	3.44	3.46	3.28	3.29
1195	NASDAQ	PIRS	Thu, Dec 12, 2019	3.53	3.63	3.44	3.46
1194	NASDAQ	PIRS	Wed, Dec 11, 2019	3.56	3.58	3.45	3.52
1193	NASDAQ	PIRS	Tue, Dec 10, 2019	3.25	3.61	3.25	3.55
1192	NASDAQ	PIRS	Mon, Dec 9, 2019	3.45	3.49	3.19	3.26
1191	NASDAQ	PIRS	Fri, Dec 6, 2019	3.46	3.58	3.35	3.42
1190	NASDAQ	PIRS	Thu, Dec 5, 2019	3.70	3.80	3.35	3.43
1189	NASDAQ	PIRS	Wed, Dec 4, 2019	3.95	3.96	3.83	3.93
1188	NASDAQ	PIRS	Tue, Dec 3, 2019	4.09	4.13	3.84	3.90
1187	NASDAQ	PIRS	Mon, Dec 2, 2019	4.11	4.21	3.99	4.13
1186	NASDAQ	PIRS	Fri, Nov 29, 2019	3.93	4.15	3.79	4.07
1185	NASDAQ	PIRS	Wed, Nov 27, 2019	3.90	4.02	3.82	3.94
1184	NASDAQ	PIRS	Tue, Nov 26, 2019	3.94	4.01	3.81	3.88
1183	NASDAQ	PIRS	Mon, Nov 25, 2019	3.62	4.00	3.57	3.97
1182	NASDAQ	PIRS	Fri, Nov 22, 2019	3.59	3.65	3.54	3.62
1181	NASDAQ	PIRS	Thu, Nov 21, 2019	3.72	3.73	3.57	3.59
1180	NASDAQ	PIRS	Wed, Nov 20, 2019	3.75	3.90	3.64	3.68
1179	NASDAQ	PIRS	Tue, Nov 19, 2019	3.80	3.94	3.74	3.79
1178	NASDAQ	PIRS	Mon, Nov 18, 2019	3.90	3.95	3.78	3.79
1177	NASDAQ	PIRS	Fri, Nov 15, 2019	3.90	3.95	3.81	3.87
1176	NASDAQ	PIRS	Thu, Nov 14, 2019	3.66	3.97	3.55	3.84
1175	NASDAQ	PIRS	Wed, Nov 13, 2019	3.50	3.81	3.42	3.69
1174	NASDAQ	PIRS	Tue, Nov 12, 2019	3.97	4.03	3.38	3.38
1173	NASDAQ	PIRS	Mon, Nov 11, 2019	4.05	4.18	3.76	3.95
1172	NASDAQ	PIRS	Fri, Nov 8, 2019	3.69	4.05	3.59	3.90
1171	NASDAQ	PIRS	Thu, Nov 7, 2019	3.95	4.01	3.57	3.75
1170	NASDAQ	PIRS	Wed, Nov 6, 2019	4.06	4.18	3.63	3.94
1169	NASDAQ	PIRS	Tue, Nov 5, 2019	3.75	4.25	3.66	4.08
1168	NASDAQ	PIRS	Mon, Nov 4, 2019	3.62	3.81	3.48	3.74
1167	NASDAQ	PIRS	Fri, Nov 1, 2019	3.31	3.52	3.26	3.43
1166	NASDAQ	PIRS	Thu, Oct 31, 2019	3.22	3.34	3.07	3.31
1165	NASDAQ	PIRS	Wed, Oct 30, 2019	3.27	3.38	3.17	3.22
1164	NASDAQ	PIRS	Tue, Oct 29, 2019	3.21	3.28	3.15	3.27
1163	NASDAQ	PIRS	Mon, Oct 28, 2019	3.24	3.31	3.15	3.22
1162	NASDAQ	PIRS	Fri, Oct 25, 2019	3.11	3.35	3.03	3.24
1161	NASDAQ	PIRS	Thu, Oct 24, 2019	3.18	3.18	2.97	3.08
1160	NASDAQ	PIRS	Wed, Oct 23, 2019	3.12	3.21	3.08	3.18
1159	NASDAQ	PIRS	Tue, Oct 22, 2019	3.28	3.36	3.08	3.09
1158	NASDAQ	PIRS	Mon, Oct 21, 2019	3.19	3.36	3.15	3.27
1157	NASDAQ	PIRS	Fri, Oct 18, 2019	3.27	3.29	3.06	3.15
1156	NASDAQ	PIRS	Thu, Oct 17, 2019	3.15	3.38	3.15	3.27
1155	NASDAQ	PIRS	Wed, Oct 16, 2019	3.22	3.32	3.12	3.13
1154	NASDAQ	PIRS	Tue, Oct 15, 2019	3.20	3.33	3.14	3.21
1153	NASDAQ	PIRS	Mon, Oct 14, 2019	3.25	3.42	3.18	3.21
1152	NASDAQ	PIRS	Fri, Oct 11, 2019	3.14	3.38	3.14	3.28
1151	NASDAQ	PIRS	Thu, Oct 10, 2019	3.01	3.19	2.92	3.12
1150	NASDAQ	PIRS	Wed, Oct 9, 2019	2.95	3.24	2.95	3.00
1149	NASDAQ	PIRS	Tue, Oct 8, 2019	3.03	3.03	2.87	2.91
1148	NASDAQ	PIRS	Mon, Oct 7, 2019	3.05	3.16	2.96	3.02
1147	NASDAQ	PIRS	Fri, Oct 4, 2019	3.00	3.21	3.00	3.07
1146	NASDAQ	PIRS	Thu, Oct 3, 2019	3.07	3.12	2.94	3.02
1145	NASDAQ	PIRS	Wed, Oct 2, 2019	3.15	3.26	3.04	3.08
1144	NASDAQ	PIRS	Tue, Oct 1, 2019	3.41	3.60	3.15	3.18
1143	NASDAQ	PIRS	Mon, Sep 30, 2019	3.56	3.71	3.36	3.41
1142	NASDAQ	PIRS	Fri, Sep 27, 2019	4.58	4.61	3.37	3.61
1141	NASDAQ	PIRS	Thu, Sep 26, 2019	5.19	5.22	4.42	4.60
1140	NASDAQ	PIRS	Wed, Sep 25, 2019	4.99	5.10	4.60	4.66
1139	NASDAQ	PIRS	Tue, Sep 24, 2019	5.62	5.63	4.93	4.97
1138	NASDAQ	PIRS	Mon, Sep 23, 2019	5.84	5.97	5.56	5.58
1137	NASDAQ	PIRS	Fri, Sep 20, 2019	5.26	5.88	5.23	5.76
1136	NASDAQ	PIRS	Thu, Sep 19, 2019	5.60	5.64	5.18	5.28
1135	NASDAQ	PIRS	Wed, Sep 18, 2019	5.43	5.77	5.42	5.59
1134	NASDAQ	PIRS	Tue, Sep 17, 2019	5.44	5.62	5.38	5.43
1133	NASDAQ	PIRS	Mon, Sep 16, 2019	5.39	5.62	5.29	5.46
1132	NASDAQ	PIRS	Fri, Sep 13, 2019	5.10	5.49	5.07	5.42
1131	NASDAQ	PIRS	Thu, Sep 12, 2019	5.12	5.30	4.89	5.09
1130	NASDAQ	PIRS	Wed, Sep 11, 2019	5.30	5.43	4.95	5.13
1129	NASDAQ	PIRS	Tue, Sep 10, 2019	4.77	5.32	4.65	5.32
1128	NASDAQ	PIRS	Mon, Sep 9, 2019	4.48	4.91	4.44	4.78
1127	NASDAQ	PIRS	Fri, Sep 6, 2019	4.84	4.88	4.42	4.45
1126	NASDAQ	PIRS	Thu, Sep 5, 2019	5.00	5.12	4.75	4.80
1125	NASDAQ	PIRS	Wed, Sep 4, 2019	4.91	5.08	4.82	4.99
1124	NASDAQ	PIRS	Tue, Sep 3, 2019	4.54	4.90	4.54	4.84
1123	NASDAQ	PIRS	Fri, Aug 30, 2019	4.75	4.79	4.58	4.65
1122	NASDAQ	PIRS	Thu, Aug 29, 2019	4.56	4.88	4.51	4.74
1121	NASDAQ	PIRS	Wed, Aug 28, 2019	4.47	4.66	4.44	4.51
1120	NASDAQ	PIRS	Tue, Aug 27, 2019	4.59	4.59	4.42	4.51
1119	NASDAQ	PIRS	Mon, Aug 26, 2019	4.38	4.60	4.32	4.55
1118	NASDAQ	PIRS	Fri, Aug 23, 2019	4.52	4.67	4.35	4.40
1117	NASDAQ	PIRS	Thu, Aug 22, 2019	4.74	4.78	4.50	4.54
1116	NASDAQ	PIRS	Wed, Aug 21, 2019	4.84	4.85	4.60	4.81
1115	NASDAQ	PIRS	Tue, Aug 20, 2019	4.75	4.86	4.63	4.80
1114	NASDAQ	PIRS	Mon, Aug 19, 2019	5.00	5.09	4.75	4.80
1113	NASDAQ	PIRS	Fri, Aug 16, 2019	4.98	5.07	4.91	5.00
1112	NASDAQ	PIRS	Thu, Aug 15, 2019	5.05	5.09	4.86	4.90
1111	NASDAQ	PIRS	Wed, Aug 14, 2019	4.93	5.13	4.75	5.05
1110	NASDAQ	PIRS	Tue, Aug 13, 2019	4.89	5.15	4.76	5.06
1109	NASDAQ	PIRS	Mon, Aug 12, 2019	5.05	5.05	4.75	4.94
1108	NASDAQ	PIRS	Fri, Aug 9, 2019	5.27	5.31	5.02	5.15
1107	NASDAQ	PIRS	Thu, Aug 8, 2019	5.05	5.34	4.94	5.29
1106	NASDAQ	PIRS	Wed, Aug 7, 2019	5.03	5.15	4.90	5.05
1105	NASDAQ	PIRS	Tue, Aug 6, 2019	5.10	5.26	4.85	5.03
1104	NASDAQ	PIRS	Mon, Aug 5, 2019	5.49	5.50	4.97	5.05
1103	NASDAQ	PIRS	Fri, Aug 2, 2019	5.39	5.63	5.29	5.55
1102	NASDAQ	PIRS	Thu, Aug 1, 2019	5.67	5.75	5.32	5.38
1101	NASDAQ	PIRS	Wed, Jul 31, 2019	5.70	6.02	5.49	5.50
1100	NASDAQ	PIRS	Tue, Jul 30, 2019	5.05	5.89	4.91	5.81
1099	NASDAQ	PIRS	Mon, Jul 29, 2019	5.05	6.04	5.05	5.33
1098	NASDAQ	PIRS	Fri, Jul 26, 2019	4.39	4.77	4.33	4.75
1097	NASDAQ	PIRS	Thu, Jul 25, 2019	4.60	4.60	4.32	4.40
1096	NASDAQ	PIRS	Wed, Jul 24, 2019	4.64	4.68	4.49	4.55
1095	NASDAQ	PIRS	Tue, Jul 23, 2019	4.62	4.77	4.46	4.71
1094	NASDAQ	PIRS	Mon, Jul 22, 2019	4.58	4.63	4.31	4.63
1093	NASDAQ	PIRS	Fri, Jul 19, 2019	4.50	4.62	4.49	4.58
1092	NASDAQ	PIRS	Thu, Jul 18, 2019	4.48	4.54	4.35	4.51
1091	NASDAQ	PIRS	Wed, Jul 17, 2019	4.50	4.58	4.42	4.52
1090	NASDAQ	PIRS	Tue, Jul 16, 2019	4.28	4.63	4.20	4.50
1089	NASDAQ	PIRS	Mon, Jul 15, 2019	4.35	4.41	4.25	4.27
1088	NASDAQ	PIRS	Fri, Jul 12, 2019	4.42	4.50	4.33	4.34
1087	NASDAQ	PIRS	Thu, Jul 11, 2019	4.50	4.50	4.36	4.42
1086	NASDAQ	PIRS	Wed, Jul 10, 2019	4.46	4.64	4.41	4.50
1085	NASDAQ	PIRS	Tue, Jul 9, 2019	4.53	4.58	4.27	4.42
1084	NASDAQ	PIRS	Mon, Jul 8, 2019	4.67	4.70	4.48	4.54
1083	NASDAQ	PIRS	Fri, Jul 5, 2019	4.61	4.69	4.46	4.65
1082	NASDAQ	PIRS	Wed, Jul 3, 2019	4.57	4.63	4.49	4.63
1081	NASDAQ	PIRS	Tue, Jul 2, 2019	4.67	4.68	4.46	4.57
1080	NASDAQ	PIRS	Mon, Jul 1, 2019	4.73	4.75	4.50	4.67
1079	NASDAQ	PIRS	Fri, Jun 28, 2019	4.46	4.70	4.32	4.70
1078	NASDAQ	PIRS	Thu, Jun 27, 2019	4.48	4.54	4.37	4.43
1077	NASDAQ	PIRS	Wed, Jun 26, 2019	4.58	4.62	4.28	4.47
1076	NASDAQ	PIRS	Tue, Jun 25, 2019	4.71	4.80	4.55	4.60
1075	NASDAQ	PIRS	Mon, Jun 24, 2019	4.65	4.90	4.63	4.73
1074	NASDAQ	PIRS	Fri, Jun 21, 2019	4.21	4.59	4.11	4.56
1073	NASDAQ	PIRS	Thu, Jun 20, 2019	4.30	4.35	4.18	4.25
1072	NASDAQ	PIRS	Wed, Jun 19, 2019	4.32	4.34	4.16	4.29
1071	NASDAQ	PIRS	Tue, Jun 18, 2019	4.38	4.40	4.30	4.32
1070	NASDAQ	PIRS	Mon, Jun 17, 2019	4.36	4.47	4.26	4.35
1069	NASDAQ	PIRS	Fri, Jun 14, 2019	4.17	4.55	4.13	4.33
1068	NASDAQ	PIRS	Thu, Jun 13, 2019	4.17	4.25	4.04	4.18
1067	NASDAQ	PIRS	Wed, Jun 12, 2019	4.19	4.27	4.13	4.16
1066	NASDAQ	PIRS	Tue, Jun 11, 2019	4.12	4.23	4.03	4.19
1065	NASDAQ	PIRS	Mon, Jun 10, 2019	4.11	4.18	4.01	4.09
1064	NASDAQ	PIRS	Fri, Jun 7, 2019	4.09	4.24	4.07	4.12
1063	NASDAQ	PIRS	Thu, Jun 6, 2019	4.15	4.24	4.03	4.10
1062	NASDAQ	PIRS	Wed, Jun 5, 2019	4.34	4.42	4.17	4.19
1061	NASDAQ	PIRS	Tue, Jun 4, 2019	4.25	4.42	4.16	4.36
1060	NASDAQ	PIRS	Mon, Jun 3, 2019	4.13	4.31	4.12	4.21
1059	NASDAQ	PIRS	Fri, May 31, 2019	4.36	4.48	4.13	4.14
1058	NASDAQ	PIRS	Thu, May 30, 2019	4.35	4.49	4.26	4.41
1057	NASDAQ	PIRS	Wed, May 29, 2019	4.48	4.50	4.26	4.32
1056	NASDAQ	PIRS	Tue, May 28, 2019	4.41	4.67	4.32	4.44
1055	NASDAQ	PIRS	Fri, May 24, 2019	3.80	4.68	3.77	4.41
1054	NASDAQ	PIRS	Thu, May 23, 2019	3.61	3.80	3.38	3.75
1053	NASDAQ	PIRS	Wed, May 22, 2019	3.67	3.75	3.53	3.64
1052	NASDAQ	PIRS	Tue, May 21, 2019	3.68	3.84	3.65	3.67
1051	NASDAQ	PIRS	Mon, May 20, 2019	3.59	3.78	3.54	3.64
1050	NASDAQ	PIRS	Fri, May 17, 2019	3.77	3.78	3.53	3.59
1049	NASDAQ	PIRS	Thu, May 16, 2019	3.92	4.07	3.79	3.81
1048	NASDAQ	PIRS	Wed, May 15, 2019	3.89	4.00	3.74	3.88
1047	NASDAQ	PIRS	Tue, May 14, 2019	3.65	4.04	3.51	3.90
1046	NASDAQ	PIRS	Mon, May 13, 2019	3.25	3.64	3.15	3.55
1045	NASDAQ	PIRS	Fri, May 10, 2019	3.16	3.55	3.15	3.31
1044	NASDAQ	PIRS	Thu, May 9, 2019	3.07	3.21	3.00	3.19
1043	NASDAQ	PIRS	Wed, May 8, 2019	3.11	3.14	3.04	3.11
1042	NASDAQ	PIRS	Tue, May 7, 2019	3.22	3.25	3.07	3.11
1041	NASDAQ	PIRS	Mon, May 6, 2019	3.13	3.40	3.10	3.23
1040	NASDAQ	PIRS	Fri, May 3, 2019	2.98	3.24	2.98	3.19
1039	NASDAQ	PIRS	Thu, May 2, 2019	2.95	3.04	2.91	3.01
1038	NASDAQ	PIRS	Wed, May 1, 2019	2.99	3.10	2.92	2.98
1037	NASDAQ	PIRS	Tue, Apr 30, 2019	3.19	3.22	2.98	2.99
1036	NASDAQ	PIRS	Mon, Apr 29, 2019	3.12	3.22	3.07	3.15
1035	NASDAQ	PIRS	Fri, Apr 26, 2019	2.94	3.18	2.88	3.14
1034	NASDAQ	PIRS	Thu, Apr 25, 2019	2.91	2.95	2.83	2.94
1033	NASDAQ	PIRS	Wed, Apr 24, 2019	2.97	3.03	2.85	2.91
1032	NASDAQ	PIRS	Tue, Apr 23, 2019	2.95	3.03	2.86	2.94
1031	NASDAQ	PIRS	Mon, Apr 22, 2019	2.90	2.96	2.81	2.92
1030	NASDAQ	PIRS	Thu, Apr 18, 2019	2.86	2.98	2.83	2.89
1029	NASDAQ	PIRS	Wed, Apr 17, 2019	3.10	3.11	2.88	2.90
1028	NASDAQ	PIRS	Tue, Apr 16, 2019	3.11	3.13	3.03	3.10
1027	NASDAQ	PIRS	Mon, Apr 15, 2019	3.22	3.22	3.10	3.11
1026	NASDAQ	PIRS	Fri, Apr 12, 2019	3.42	3.59	3.20	3.22
1025	NASDAQ	PIRS	Thu, Apr 11, 2019	3.53	3.55	3.37	3.39
1024	NASDAQ	PIRS	Wed, Apr 10, 2019	3.51	3.59	3.46	3.56
1023	NASDAQ	PIRS	Tue, Apr 9, 2019	3.89	3.89	3.42	3.48
1022	NASDAQ	PIRS	Mon, Apr 8, 2019	3.78	4.00	3.64	3.84
1021	NASDAQ	PIRS	Fri, Apr 5, 2019	3.59	3.79	3.59	3.78
1020	NASDAQ	PIRS	Thu, Apr 4, 2019	3.53	3.69	3.49	3.59
1019	NASDAQ	PIRS	Wed, Apr 3, 2019	3.37	3.64	3.36	3.54
1018	NASDAQ	PIRS	Tue, Apr 2, 2019	3.27	3.37	3.19	3.34
1017	NASDAQ	PIRS	Mon, Apr 1, 2019	3.41	3.41	3.25	3.27
1016	NASDAQ	PIRS	Fri, Mar 29, 2019	3.23	3.38	3.20	3.35
1015	NASDAQ	PIRS	Thu, Mar 28, 2019	3.16	3.22	3.11	3.19
1014	NASDAQ	PIRS	Wed, Mar 27, 2019	3.13	3.24	3.08	3.17
1013	NASDAQ	PIRS	Tue, Mar 26, 2019	3.11	3.18	3.08	3.15
1012	NASDAQ	PIRS	Mon, Mar 25, 2019	3.13	3.22	3.01	3.10
1011	NASDAQ	PIRS	Fri, Mar 22, 2019	3.17	3.28	3.04	3.12
1010	NASDAQ	PIRS	Thu, Mar 21, 2019	3.27	3.32	3.12	3.20
1009	NASDAQ	PIRS	Wed, Mar 20, 2019	3.19	3.32	3.16	3.24
1008	NASDAQ	PIRS	Tue, Mar 19, 2019	3.34	3.35	3.18	3.22
1007	NASDAQ	PIRS	Mon, Mar 18, 2019	3.31	3.40	3.20	3.34
1006	NASDAQ	PIRS	Fri, Mar 15, 2019	3.20	3.36	3.20	3.32
1005	NASDAQ	PIRS	Thu, Mar 14, 2019	3.45	3.48	3.17	3.20
1004	NASDAQ	PIRS	Wed, Mar 13, 2019	3.21	3.45	3.18	3.45
1003	NASDAQ	PIRS	Tue, Mar 12, 2019	3.13	3.32	3.08	3.21
1002	NASDAQ	PIRS	Mon, Mar 11, 2019	2.95	3.19	2.90	3.10
1001	NASDAQ	PIRS	Fri, Mar 8, 2019	2.97	3.05	2.91	2.92
1000	NASDAQ	PIRS	Thu, Mar 7, 2019	3.01	3.01	2.83	3.00
999	NASDAQ	PIRS	Wed, Mar 6, 2019	3.01	3.05	2.95	3.00
998	NASDAQ	PIRS	Tue, Mar 5, 2019	3.07	3.18	3.00	3.04
997	NASDAQ	PIRS	Mon, Mar 4, 2019	3.10	3.13	2.93	3.00
996	NASDAQ	PIRS	Fri, Mar 1, 2019	3.03	3.13	3.00	3.10
995	NASDAQ	PIRS	Thu, Feb 28, 2019	3.07	3.07	2.96	3.00
994	NASDAQ	PIRS	Wed, Feb 27, 2019	3.06	3.15	3.01	3.06
993	NASDAQ	PIRS	Tue, Feb 26, 2019	3.02	3.12	2.99	3.09
992	NASDAQ	PIRS	Mon, Feb 25, 2019	3.14	3.20	2.98	3.03
991	NASDAQ	PIRS	Fri, Feb 22, 2019	3.03	3.14	3.00	3.08
990	NASDAQ	PIRS	Thu, Feb 21, 2019	3.01	3.12	2.99	3.03
989	NASDAQ	PIRS	Wed, Feb 20, 2019	3.25	3.25	2.98	3.00
988	NASDAQ	PIRS	Tue, Feb 19, 2019	3.08	3.28	3.00	3.22
987	NASDAQ	PIRS	Fri, Feb 15, 2019	3.01	3.15	2.91	3.07
986	NASDAQ	PIRS	Thu, Feb 14, 2019	2.92	3.02	2.83	2.99
985	NASDAQ	PIRS	Wed, Feb 13, 2019	3.03	3.04	2.88	2.91
984	NASDAQ	PIRS	Tue, Feb 12, 2019	3.05	3.08	2.93	3.01
983	NASDAQ	PIRS	Mon, Feb 11, 2019	2.88	3.13	2.88	3.03
982	NASDAQ	PIRS	Fri, Feb 8, 2019	2.81	2.85	2.72	2.84
981	NASDAQ	PIRS	Thu, Feb 7, 2019	2.88	2.89	2.72	2.80
980	NASDAQ	PIRS	Wed, Feb 6, 2019	2.82	2.93	2.79	2.87
979	NASDAQ	PIRS	Tue, Feb 5, 2019	2.95	3.05	2.80	2.83
978	NASDAQ	PIRS	Mon, Feb 4, 2019	2.91	3.02	2.90	2.97
977	NASDAQ	PIRS	Fri, Feb 1, 2019	2.89	2.98	2.85	2.91
976	NASDAQ	PIRS	Thu, Jan 31, 2019	2.65	2.97	2.65	2.87
975	NASDAQ	PIRS	Wed, Jan 30, 2019	2.56	2.69	2.51	2.66
974	NASDAQ	PIRS	Tue, Jan 29, 2019	2.56	2.58	2.44	2.53
973	NASDAQ	PIRS	Mon, Jan 28, 2019	2.75	2.76	2.48	2.53
972	NASDAQ	PIRS	Fri, Jan 25, 2019	2.56	2.81	2.56	2.74
971	NASDAQ	PIRS	Thu, Jan 24, 2019	2.56	2.61	2.48	2.55
970	NASDAQ	PIRS	Wed, Jan 23, 2019	2.53	2.64	2.50	2.54
969	NASDAQ	PIRS	Tue, Jan 22, 2019	2.63	2.64	2.45	2.52
968	NASDAQ	PIRS	Fri, Jan 18, 2019	2.70	2.80	2.61	2.65
967	NASDAQ	PIRS	Thu, Jan 17, 2019	2.81	2.88	2.67	2.70
966	NASDAQ	PIRS	Wed, Jan 16, 2019	2.91	2.98	2.76	2.82
965	NASDAQ	PIRS	Tue, Jan 15, 2019	2.85	2.92	2.78	2.92
964	NASDAQ	PIRS	Mon, Jan 14, 2019	2.98	2.98	2.84	2.87
963	NASDAQ	PIRS	Fri, Jan 11, 2019	3.08	3.25	2.94	2.98
962	NASDAQ	PIRS	Thu, Jan 10, 2019	2.86	3.18	2.78	3.14
961	NASDAQ	PIRS	Wed, Jan 9, 2019	2.85	2.91	2.80	2.88
960	NASDAQ	PIRS	Tue, Jan 8, 2019	2.95	2.97	2.77	2.84
959	NASDAQ	PIRS	Mon, Jan 7, 2019	2.81	2.96	2.77	2.92
958	NASDAQ	PIRS	Fri, Jan 4, 2019	2.69	2.80	2.67	2.76
957	NASDAQ	PIRS	Thu, Jan 3, 2019	2.92	2.93	2.62	2.64
956	NASDAQ	PIRS	Wed, Jan 2, 2019	2.64	2.95	2.57	2.92
955	NASDAQ	PIRS	Mon, Dec 31, 2018	2.93	2.94	2.45	2.66
954	NASDAQ	PIRS	Fri, Dec 28, 2018	2.54	2.97	2.54	2.91
953	NASDAQ	PIRS	Thu, Dec 27, 2018	2.64	2.66	2.46	2.55
952	NASDAQ	PIRS	Wed, Dec 26, 2018	2.53	2.69	2.44	2.67
951	NASDAQ	PIRS	Mon, Dec 24, 2018	2.40	2.59	2.39	2.47
950	NASDAQ	PIRS	Fri, Dec 21, 2018	2.59	2.70	2.45	2.46
949	NASDAQ	PIRS	Thu, Dec 20, 2018	2.67	2.74	2.53	2.57
948	NASDAQ	PIRS	Wed, Dec 19, 2018	2.73	2.84	2.64	2.68
947	NASDAQ	PIRS	Tue, Dec 18, 2018	2.93	2.99	2.59	2.72
946	NASDAQ	PIRS	Mon, Dec 17, 2018	2.92	3.03	2.80	2.90
945	NASDAQ	PIRS	Fri, Dec 14, 2018	3.05	3.15	2.90	2.92
944	NASDAQ	PIRS	Thu, Dec 13, 2018	3.35	3.40	3.03	3.06
943	NASDAQ	PIRS	Wed, Dec 12, 2018	3.29	3.41	3.26	3.35
942	NASDAQ	PIRS	Tue, Dec 11, 2018	3.50	3.50	3.20	3.26
941	NASDAQ	PIRS	Mon, Dec 10, 2018	3.49	3.55	3.39	3.45
940	NASDAQ	PIRS	Fri, Dec 7, 2018	3.50	3.55	3.40	3.51
939	NASDAQ	PIRS	Thu, Dec 6, 2018	3.59	3.66	3.46	3.51
938	NASDAQ	PIRS	Tue, Dec 4, 2018	3.55	3.73	3.43	3.56
937	NASDAQ	PIRS	Mon, Dec 3, 2018	3.45	3.63	3.40	3.62
936	NASDAQ	PIRS	Fri, Nov 30, 2018	3.42	3.50	3.33	3.39
935	NASDAQ	PIRS	Thu, Nov 29, 2018	3.53	3.55	3.41	3.45
934	NASDAQ	PIRS	Wed, Nov 28, 2018	3.35	3.51	3.32	3.49
933	NASDAQ	PIRS	Tue, Nov 27, 2018	3.26	3.39	3.20	3.35
932	NASDAQ	PIRS	Mon, Nov 26, 2018	3.45	3.61	3.23	3.30
931	NASDAQ	PIRS	Fri, Nov 23, 2018	3.32	3.49	3.32	3.44
930	NASDAQ	PIRS	Wed, Nov 21, 2018	3.15	3.37	3.15	3.36
929	NASDAQ	PIRS	Tue, Nov 20, 2018	3.20	3.26	3.07	3.26
928	NASDAQ	PIRS	Mon, Nov 19, 2018	3.48	3.56	3.12	3.27
927	NASDAQ	PIRS	Fri, Nov 16, 2018	3.34	3.50	3.25	3.48
926	NASDAQ	PIRS	Thu, Nov 15, 2018	3.28	3.50	3.28	3.38
925	NASDAQ	PIRS	Wed, Nov 14, 2018	3.19	3.33	3.06	3.31
924	NASDAQ	PIRS	Tue, Nov 13, 2018	3.30	3.40	3.04	3.18
923	NASDAQ	PIRS	Mon, Nov 12, 2018	3.54	3.60	3.27	3.29
922	NASDAQ	PIRS	Fri, Nov 9, 2018	3.85	3.85	3.48	3.56
921	NASDAQ	PIRS	Thu, Nov 8, 2018	3.80	3.95	3.72	3.86
920	NASDAQ	PIRS	Wed, Nov 7, 2018	4.15	4.15	3.24	3.79
919	NASDAQ	PIRS	Tue, Nov 6, 2018	4.35	4.41	4.27	4.38
918	NASDAQ	PIRS	Mon, Nov 5, 2018	4.39	4.45	4.22	4.38
917	NASDAQ	PIRS	Fri, Nov 2, 2018	4.21	4.44	4.12	4.40
916	NASDAQ	PIRS	Thu, Nov 1, 2018	4.17	4.33	4.15	4.18
915	NASDAQ	PIRS	Wed, Oct 31, 2018	4.11	4.26	4.09	4.12
914	NASDAQ	PIRS	Tue, Oct 30, 2018	4.14	4.37	3.98	4.00
913	NASDAQ	PIRS	Mon, Oct 29, 2018	4.36	4.40	4.07	4.16
912	NASDAQ	PIRS	Fri, Oct 26, 2018	4.29	4.57	4.20	4.28
911	NASDAQ	PIRS	Thu, Oct 25, 2018	4.51	4.71	4.21	4.36
910	NASDAQ	PIRS	Wed, Oct 24, 2018	4.79	4.84	4.46	4.46
909	NASDAQ	PIRS	Tue, Oct 23, 2018	4.76	4.84	4.61	4.78
908	NASDAQ	PIRS	Mon, Oct 22, 2018	5.24	5.31	4.78	4.83
907	NASDAQ	PIRS	Fri, Oct 19, 2018	5.29	5.43	5.11	5.20
906	NASDAQ	PIRS	Thu, Oct 18, 2018	5.48	5.49	5.10	5.30
905	NASDAQ	PIRS	Wed, Oct 17, 2018	5.20	5.46	5.15	5.42
904	NASDAQ	PIRS	Tue, Oct 16, 2018	5.07	5.26	5.07	5.23
903	NASDAQ	PIRS	Mon, Oct 15, 2018	5.05	5.13	4.81	5.08
902	NASDAQ	PIRS	Fri, Oct 12, 2018	4.81	5.07	4.81	5.05
901	NASDAQ	PIRS	Thu, Oct 11, 2018	4.75	5.00	4.67	4.76
900	NASDAQ	PIRS	Wed, Oct 10, 2018	4.97	5.00	4.65	4.73
899	NASDAQ	PIRS	Tue, Oct 9, 2018	5.01	5.15	4.97	4.97
898	NASDAQ	PIRS	Mon, Oct 8, 2018	5.11	5.19	5.02	5.05
897	NASDAQ	PIRS	Fri, Oct 5, 2018	5.10	5.19	5.04	5.16
896	NASDAQ	PIRS	Thu, Oct 4, 2018	5.33	5.33	4.97	5.07
895	NASDAQ	PIRS	Wed, Oct 3, 2018	5.24	5.37	5.13	5.35
894	NASDAQ	PIRS	Tue, Oct 2, 2018	5.32	5.40	5.21	5.23
893	NASDAQ	PIRS	Mon, Oct 1, 2018	5.66	5.69	5.34	5.36
892	NASDAQ	PIRS	Fri, Sep 28, 2018	5.69	5.73	5.57	5.60
891	NASDAQ	PIRS	Thu, Sep 27, 2018	5.68	5.80	5.60	5.67
890	NASDAQ	PIRS	Wed, Sep 26, 2018	5.73	5.73	5.50	5.59
889	NASDAQ	PIRS	Tue, Sep 25, 2018	5.35	5.85	5.33	5.69
888	NASDAQ	PIRS	Mon, Sep 24, 2018	5.33	5.37	5.22	5.33
887	NASDAQ	PIRS	Fri, Sep 21, 2018	5.27	5.39	5.24	5.35
886	NASDAQ	PIRS	Thu, Sep 20, 2018	5.41	5.54	5.25	5.28
885	NASDAQ	PIRS	Wed, Sep 19, 2018	5.26	5.59	5.26	5.41
884	NASDAQ	PIRS	Tue, Sep 18, 2018	5.18	5.35	5.18	5.28
883	NASDAQ	PIRS	Mon, Sep 17, 2018	5.00	5.11	4.93	5.08
882	NASDAQ	PIRS	Fri, Sep 14, 2018	5.11	5.20	4.98	4.99
881	NASDAQ	PIRS	Thu, Sep 13, 2018	5.14	5.22	4.99	5.09
880	NASDAQ	PIRS	Wed, Sep 12, 2018	5.27	5.27	5.01	5.11
879	NASDAQ	PIRS	Tue, Sep 11, 2018	5.30	5.37	5.16	5.26
878	NASDAQ	PIRS	Mon, Sep 10, 2018	5.32	5.40	5.24	5.30
877	NASDAQ	PIRS	Fri, Sep 7, 2018	5.30	5.51	5.25	5.27
876	NASDAQ	PIRS	Thu, Sep 6, 2018	5.39	5.52	5.25	5.33
875	NASDAQ	PIRS	Wed, Sep 5, 2018	5.67	5.75	5.39	5.48
874	NASDAQ	PIRS	Tue, Sep 4, 2018	5.54	5.76	5.45	5.66
873	NASDAQ	PIRS	Fri, Aug 31, 2018	5.56	5.60	5.40	5.54
872	NASDAQ	PIRS	Thu, Aug 30, 2018	5.55	5.73	5.49	5.57
871	NASDAQ	PIRS	Wed, Aug 29, 2018	5.25	5.65	5.25	5.53
870	NASDAQ	PIRS	Tue, Aug 28, 2018	5.27	5.35	5.16	5.24
869	NASDAQ	PIRS	Mon, Aug 27, 2018	5.26	5.44	5.18	5.24
868	NASDAQ	PIRS	Fri, Aug 24, 2018	5.26	5.38	5.24	5.26
867	NASDAQ	PIRS	Thu, Aug 23, 2018	5.37	5.49	5.18	5.25
866	NASDAQ	PIRS	Wed, Aug 22, 2018	5.21	5.45	5.19	5.39
865	NASDAQ	PIRS	Tue, Aug 21, 2018	5.03	5.33	5.03	5.24
864	NASDAQ	PIRS	Mon, Aug 20, 2018	5.10	5.20	4.98	5.07
863	NASDAQ	PIRS	Fri, Aug 17, 2018	5.38	5.38	5.03	5.09
862	NASDAQ	PIRS	Thu, Aug 16, 2018	5.24	5.37	5.11	5.36
861	NASDAQ	PIRS	Wed, Aug 15, 2018	5.56	5.56	5.13	5.18
860	NASDAQ	PIRS	Tue, Aug 14, 2018	5.48	5.66	5.45	5.56
859	NASDAQ	PIRS	Mon, Aug 13, 2018	5.70	5.85	5.31	5.44
858	NASDAQ	PIRS	Fri, Aug 10, 2018	5.37	5.83	5.24	5.68
857	NASDAQ	PIRS	Thu, Aug 9, 2018	5.05	5.50	4.43	5.42
856	NASDAQ	PIRS	Wed, Aug 8, 2018	5.53	5.56	5.15	5.30
855	NASDAQ	PIRS	Tue, Aug 7, 2018	5.44	5.52	5.26	5.48
854	NASDAQ	PIRS	Mon, Aug 6, 2018	5.30	5.56	5.25	5.41
853	NASDAQ	PIRS	Fri, Aug 3, 2018	5.48	5.49	5.25	5.28
852	NASDAQ	PIRS	Thu, Aug 2, 2018	5.49	5.52	5.32	5.45
851	NASDAQ	PIRS	Wed, Aug 1, 2018	5.50	5.60	5.43	5.50
850	NASDAQ	PIRS	Tue, Jul 31, 2018	5.25	5.78	5.25	5.49
849	NASDAQ	PIRS	Mon, Jul 30, 2018	5.30	5.50	5.19	5.32
848	NASDAQ	PIRS	Fri, Jul 27, 2018	5.72	5.79	5.25	5.28
847	NASDAQ	PIRS	Thu, Jul 26, 2018	5.90	5.97	5.76	5.78
846	NASDAQ	PIRS	Wed, Jul 25, 2018	6.10	6.29	5.88	5.92
845	NASDAQ	PIRS	Tue, Jul 24, 2018	6.44	6.55	6.06	6.14
844	NASDAQ	PIRS	Mon, Jul 23, 2018	5.79	6.44	5.75	6.42
843	NASDAQ	PIRS	Fri, Jul 20, 2018	5.68	5.91	5.65	5.83
842	NASDAQ	PIRS	Thu, Jul 19, 2018	5.45	5.71	5.28	5.69
841	NASDAQ	PIRS	Wed, Jul 18, 2018	5.55	5.55	5.37	5.41
840	NASDAQ	PIRS	Tue, Jul 17, 2018	5.73	5.82	5.53	5.55
839	NASDAQ	PIRS	Mon, Jul 16, 2018	5.62	5.92	5.58	5.75
838	NASDAQ	PIRS	Fri, Jul 13, 2018	5.38	5.62	5.32	5.60
837	NASDAQ	PIRS	Thu, Jul 12, 2018	5.30	5.40	5.22	5.39
836	NASDAQ	PIRS	Wed, Jul 11, 2018	5.28	5.39	5.26	5.26
835	NASDAQ	PIRS	Tue, Jul 10, 2018	5.39	5.43	5.29	5.32
834	NASDAQ	PIRS	Mon, Jul 9, 2018	5.47	5.51	5.34	5.39
833	NASDAQ	PIRS	Fri, Jul 6, 2018	5.39	5.60	5.29	5.46
832	NASDAQ	PIRS	Thu, Jul 5, 2018	5.34	5.42	5.20	5.41
831	NASDAQ	PIRS	Tue, Jul 3, 2018	5.26	5.32	5.09	5.29
830	NASDAQ	PIRS	Mon, Jul 2, 2018	5.01	5.28	5.01	5.26
829	NASDAQ	PIRS	Fri, Jun 29, 2018	5.07	5.27	5.00	5.07
828	NASDAQ	PIRS	Thu, Jun 28, 2018	5.08	5.18	4.89	5.03
827	NASDAQ	PIRS	Wed, Jun 27, 2018	5.23	5.23	5.05	5.05
826	NASDAQ	PIRS	Tue, Jun 26, 2018	5.19	5.31	5.13	5.21
825	NASDAQ	PIRS	Mon, Jun 25, 2018	5.20	5.36	5.12	5.20
824	NASDAQ	PIRS	Fri, Jun 22, 2018	5.23	5.33	5.10	5.19
823	NASDAQ	PIRS	Thu, Jun 21, 2018	5.37	5.44	5.14	5.21
822	NASDAQ	PIRS	Wed, Jun 20, 2018	5.16	5.52	5.16	5.39
821	NASDAQ	PIRS	Tue, Jun 19, 2018	5.24	5.31	5.05	5.06
820	NASDAQ	PIRS	Mon, Jun 18, 2018	5.18	5.35	5.05	5.29
819	NASDAQ	PIRS	Fri, Jun 15, 2018	5.28	5.38	5.11	5.17
818	NASDAQ	PIRS	Thu, Jun 14, 2018	5.69	5.70	5.22	5.32
817	NASDAQ	PIRS	Wed, Jun 13, 2018	5.70	5.77	5.60	5.65
816	NASDAQ	PIRS	Tue, Jun 12, 2018	5.80	5.84	5.63	5.67
815	NASDAQ	PIRS	Mon, Jun 11, 2018	5.88	6.01	5.80	5.83
814	NASDAQ	PIRS	Fri, Jun 8, 2018	5.69	5.88	5.58	5.86
813	NASDAQ	PIRS	Thu, Jun 7, 2018	5.90	5.93	5.64	5.72
812	NASDAQ	PIRS	Wed, Jun 6, 2018	5.57	5.89	5.52	5.87
811	NASDAQ	PIRS	Tue, Jun 5, 2018	5.56	5.68	5.51	5.54
810	NASDAQ	PIRS	Mon, Jun 4, 2018	5.92	5.97	5.52	5.59
809	NASDAQ	PIRS	Fri, Jun 1, 2018	5.65	5.91	5.58	5.86
808	NASDAQ	PIRS	Thu, May 31, 2018	5.66	5.81	5.57	5.62
807	NASDAQ	PIRS	Wed, May 30, 2018	5.85	5.95	5.54	5.62
806	NASDAQ	PIRS	Tue, May 29, 2018	6.18	6.30	5.79	5.84
805	NASDAQ	PIRS	Fri, May 25, 2018	6.05	6.33	5.99	6.24
804	NASDAQ	PIRS	Thu, May 24, 2018	6.08	6.16	5.95	6.11
803	NASDAQ	PIRS	Wed, May 23, 2018	5.95	6.15	5.86	6.04
802	NASDAQ	PIRS	Tue, May 22, 2018	5.87	6.22	5.86	5.96
801	NASDAQ	PIRS	Mon, May 21, 2018	5.95	6.05	5.85	5.91
800	NASDAQ	PIRS	Fri, May 18, 2018	5.95	6.01	5.85	5.92
799	NASDAQ	PIRS	Thu, May 17, 2018	6.10	6.11	5.88	5.93
798	NASDAQ	PIRS	Wed, May 16, 2018	5.82	6.08	5.73	6.03
797	NASDAQ	PIRS	Tue, May 15, 2018	5.63	5.80	5.50	5.75
796	NASDAQ	PIRS	Mon, May 14, 2018	5.84	5.92	5.72	5.74
795	NASDAQ	PIRS	Fri, May 11, 2018	5.62	6.08	5.62	5.85
794	NASDAQ	PIRS	Thu, May 10, 2018	5.69	5.74	5.27	5.56
793	NASDAQ	PIRS	Wed, May 9, 2018	5.81	5.89	5.61	5.69
792	NASDAQ	PIRS	Tue, May 8, 2018	5.93	5.98	5.74	5.81
791	NASDAQ	PIRS	Mon, May 7, 2018	5.98	6.05	5.91	5.93
790	NASDAQ	PIRS	Fri, May 4, 2018	6.25	6.39	6.00	6.01
789	NASDAQ	PIRS	Thu, May 3, 2018	6.26	6.33	6.11	6.14
788	NASDAQ	PIRS	Wed, May 2, 2018	6.18	6.62	6.18	6.33
787	NASDAQ	PIRS	Tue, May 1, 2018	6.36	6.39	6.06	6.23
786	NASDAQ	PIRS	Mon, Apr 30, 2018	6.31	6.94	6.31	6.37
785	NASDAQ	PIRS	Fri, Apr 27, 2018	6.33	6.38	6.25	6.31
784	NASDAQ	PIRS	Thu, Apr 26, 2018	6.42	6.49	6.25	6.31
783	NASDAQ	PIRS	Wed, Apr 25, 2018	6.49	6.51	6.26	6.43
782	NASDAQ	PIRS	Tue, Apr 24, 2018	6.36	6.46	6.28	6.44
781	NASDAQ	PIRS	Mon, Apr 23, 2018	6.58	6.58	6.24	6.36
780	NASDAQ	PIRS	Fri, Apr 20, 2018	6.50	6.67	6.40	6.56
779	NASDAQ	PIRS	Thu, Apr 19, 2018	6.72	6.76	6.52	6.54
778	NASDAQ	PIRS	Wed, Apr 18, 2018	6.69	6.87	6.57	6.71
777	NASDAQ	PIRS	Tue, Apr 17, 2018	6.50	6.80	6.42	6.70
776	NASDAQ	PIRS	Mon, Apr 16, 2018	6.49	6.51	6.33	6.43
775	NASDAQ	PIRS	Fri, Apr 13, 2018	6.89	6.93	6.39	6.43
774	NASDAQ	PIRS	Thu, Apr 12, 2018	6.89	6.91	6.70	6.85
773	NASDAQ	PIRS	Wed, Apr 11, 2018	6.50	6.91	6.50	6.88
772	NASDAQ	PIRS	Tue, Apr 10, 2018	6.32	6.67	6.25	6.56
771	NASDAQ	PIRS	Mon, Apr 9, 2018	6.38	6.39	6.10	6.23
770	NASDAQ	PIRS	Fri, Apr 6, 2018	6.48	6.56	6.27	6.33
769	NASDAQ	PIRS	Thu, Apr 5, 2018	6.66	6.80	6.46	6.56
768	NASDAQ	PIRS	Wed, Apr 4, 2018	6.41	6.64	6.25	6.62
767	NASDAQ	PIRS	Tue, Apr 3, 2018	6.47	6.68	6.43	6.55
766	NASDAQ	PIRS	Mon, Apr 2, 2018	6.83	6.87	6.41	6.48
765	NASDAQ	PIRS	Thu, Mar 29, 2018	6.88	6.95	6.80	6.82
764	NASDAQ	PIRS	Wed, Mar 28, 2018	6.83	6.93	6.58	6.80
763	NASDAQ	PIRS	Tue, Mar 27, 2018	7.32	7.42	6.76	6.86
762	NASDAQ	PIRS	Mon, Mar 26, 2018	7.32	7.47	7.07	7.31
761	NASDAQ	PIRS	Fri, Mar 23, 2018	7.56	7.60	7.17	7.21
760	NASDAQ	PIRS	Thu, Mar 22, 2018	7.55	7.88	7.42	7.58
759	NASDAQ	PIRS	Wed, Mar 21, 2018	7.54	7.75	7.41	7.58
758	NASDAQ	PIRS	Tue, Mar 20, 2018	7.18	7.56	7.12	7.46
757	NASDAQ	PIRS	Mon, Mar 19, 2018	7.12	7.35	7.03	7.22
756	NASDAQ	PIRS	Fri, Mar 16, 2018	6.75	6.92	6.34	6.81
755	NASDAQ	PIRS	Thu, Mar 15, 2018	7.31	7.36	6.85	6.88
754	NASDAQ	PIRS	Wed, Mar 14, 2018	7.55	7.57	7.18	7.27
753	NASDAQ	PIRS	Tue, Mar 13, 2018	7.63	7.84	7.53	7.55
752	NASDAQ	PIRS	Mon, Mar 12, 2018	7.50	7.73	7.19	7.67
751	NASDAQ	PIRS	Fri, Mar 9, 2018	7.67	7.82	6.63	7.27
750	NASDAQ	PIRS	Thu, Mar 8, 2018	7.90	8.05	7.19	7.40
749	NASDAQ	PIRS	Wed, Mar 7, 2018	7.89	7.95	7.65	7.80
748	NASDAQ	PIRS	Tue, Mar 6, 2018	8.20	8.25	7.78	7.91
747	NASDAQ	PIRS	Mon, Mar 5, 2018	8.35	8.46	8.07	8.15
746	NASDAQ	PIRS	Fri, Mar 2, 2018	8.40	8.50	8.21	8.35
745	NASDAQ	PIRS	Thu, Mar 1, 2018	8.54	8.65	8.32	8.49
744	NASDAQ	PIRS	Wed, Feb 28, 2018	8.83	8.83	8.47	8.52
743	NASDAQ	PIRS	Tue, Feb 27, 2018	8.93	9.13	8.55	8.76
742	NASDAQ	PIRS	Mon, Feb 26, 2018	8.62	8.97	8.60	8.86
741	NASDAQ	PIRS	Fri, Feb 23, 2018	8.29	8.65	8.26	8.59
740	NASDAQ	PIRS	Thu, Feb 22, 2018	8.20	8.45	8.19	8.19
739	NASDAQ	PIRS	Wed, Feb 21, 2018	8.54	8.68	7.88	8.12
738	NASDAQ	PIRS	Tue, Feb 20, 2018	8.61	9.02	8.50	8.56
737	NASDAQ	PIRS	Fri, Feb 16, 2018	8.80	9.10	8.37	8.63
736	NASDAQ	PIRS	Thu, Feb 15, 2018	8.83	9.31	8.66	8.87
735	NASDAQ	PIRS	Wed, Feb 14, 2018	8.20	8.77	8.12	8.70
734	NASDAQ	PIRS	Tue, Feb 13, 2018	9.05	9.75	8.91	9.45
733	NASDAQ	PIRS	Mon, Feb 12, 2018	8.83	9.60	8.75	8.88
732	NASDAQ	PIRS	Fri, Feb 9, 2018	8.05	8.79	7.68	8.59
731	NASDAQ	PIRS	Thu, Feb 8, 2018	7.72	7.77	7.13	7.15
730	NASDAQ	PIRS	Wed, Feb 7, 2018	7.82	8.01	7.71	7.73
729	NASDAQ	PIRS	Tue, Feb 6, 2018	7.86	8.06	7.63	7.80
728	NASDAQ	PIRS	Mon, Feb 5, 2018	8.00	8.58	7.85	8.01
727	NASDAQ	PIRS	Fri, Feb 2, 2018	7.66	8.31	7.59	8.07
726	NASDAQ	PIRS	Thu, Feb 1, 2018	7.48	7.73	7.41	7.67
725	NASDAQ	PIRS	Wed, Jan 31, 2018	7.64	7.78	7.44	7.53
724	NASDAQ	PIRS	Tue, Jan 30, 2018	7.61	7.90	7.33	7.63
723	NASDAQ	PIRS	Mon, Jan 29, 2018	7.95	7.95	7.51	7.64
722	NASDAQ	PIRS	Fri, Jan 26, 2018	7.75	8.34	7.71	7.93
721	NASDAQ	PIRS	Thu, Jan 25, 2018	7.57	7.75	7.42	7.72
720	NASDAQ	PIRS	Wed, Jan 24, 2018	7.45	7.71	7.40	7.61
719	NASDAQ	PIRS	Tue, Jan 23, 2018	7.49	7.80	7.39	7.43
718	NASDAQ	PIRS	Mon, Jan 22, 2018	7.44	7.56	7.42	7.48
717	NASDAQ	PIRS	Fri, Jan 19, 2018	7.36	7.52	7.31	7.42
716	NASDAQ	PIRS	Thu, Jan 18, 2018	7.37	7.47	7.27	7.37
715	NASDAQ	PIRS	Wed, Jan 17, 2018	7.15	7.58	7.15	7.35
714	NASDAQ	PIRS	Tue, Jan 16, 2018	7.65	7.85	6.85	6.92
713	NASDAQ	PIRS	Fri, Jan 12, 2018	7.39	7.55	7.26	7.46
712	NASDAQ	PIRS	Thu, Jan 11, 2018	7.47	7.57	7.36	7.39
711	NASDAQ	PIRS	Wed, Jan 10, 2018	7.18	7.46	7.08	7.39
710	NASDAQ	PIRS	Tue, Jan 9, 2018	7.29	7.39	7.23	7.27
709	NASDAQ	PIRS	Mon, Jan 8, 2018	7.30	7.36	7.06	7.28
708	NASDAQ	PIRS	Fri, Jan 5, 2018	7.55	7.60	7.13	7.32
707	NASDAQ	PIRS	Thu, Jan 4, 2018	7.19	7.51	7.05	7.44
706	NASDAQ	PIRS	Wed, Jan 3, 2018	7.78	7.90	6.86	7.12
705	NASDAQ	PIRS	Tue, Jan 2, 2018	7.56	7.76	7.51	7.75
704	NASDAQ	PIRS	Fri, Dec 29, 2017	7.54	7.74	7.44	7.55
703	NASDAQ	PIRS	Thu, Dec 28, 2017	7.21	7.59	7.21	7.43
702	NASDAQ	PIRS	Wed, Dec 27, 2017	7.41	7.59	7.03	7.23
701	NASDAQ	PIRS	Tue, Dec 26, 2017	6.37	7.37	6.37	7.34
700	NASDAQ	PIRS	Fri, Dec 22, 2017	6.25	6.50	6.20	6.37
699	NASDAQ	PIRS	Thu, Dec 21, 2017	5.92	6.30	5.92	6.26
698	NASDAQ	PIRS	Wed, Dec 20, 2017	6.02	6.08	5.83	5.93
697	NASDAQ	PIRS	Tue, Dec 19, 2017	5.63	5.96	5.63	5.85
696	NASDAQ	PIRS	Mon, Dec 18, 2017	6.05	6.05	5.60	5.64
695	NASDAQ	PIRS	Fri, Dec 15, 2017	5.93	6.08	5.90	5.95
694	NASDAQ	PIRS	Thu, Dec 14, 2017	5.99	6.17	5.86	5.93
693	NASDAQ	PIRS	Wed, Dec 13, 2017	5.80	6.05	5.80	6.00
692	NASDAQ	PIRS	Tue, Dec 12, 2017	5.85	5.98	5.75	5.79
691	NASDAQ	PIRS	Mon, Dec 11, 2017	6.10	6.13	5.76	5.82
690	NASDAQ	PIRS	Fri, Dec 8, 2017	6.14	6.24	6.09	6.15
689	NASDAQ	PIRS	Thu, Dec 7, 2017	5.95	6.23	5.84	6.14
688	NASDAQ	PIRS	Wed, Dec 6, 2017	6.14	6.18	5.76	5.87
687	NASDAQ	PIRS	Tue, Dec 5, 2017	6.08	6.34	6.08	6.16
686	NASDAQ	PIRS	Mon, Dec 4, 2017	6.12	6.28	5.98	6.14
685	NASDAQ	PIRS	Fri, Dec 1, 2017	6.22	6.45	5.87	6.07
684	NASDAQ	PIRS	Thu, Nov 30, 2017	6.13	6.24	6.07	6.18
683	NASDAQ	PIRS	Wed, Nov 29, 2017	6.19	6.28	6.03	6.09
682	NASDAQ	PIRS	Tue, Nov 28, 2017	6.27	6.28	6.01	6.14
681	NASDAQ	PIRS	Mon, Nov 27, 2017	6.49	6.65	6.18	6.27
680	NASDAQ	PIRS	Fri, Nov 24, 2017	6.40	6.52	6.35	6.50
679	NASDAQ	PIRS	Wed, Nov 22, 2017	6.31	6.44	6.16	6.38
678	NASDAQ	PIRS	Tue, Nov 21, 2017	6.23	6.39	6.10	6.32
677	NASDAQ	PIRS	Mon, Nov 20, 2017	6.19	6.47	6.05	6.21
676	NASDAQ	PIRS	Fri, Nov 17, 2017	5.90	6.25	5.74	6.09
675	NASDAQ	PIRS	Thu, Nov 16, 2017	5.45	5.87	5.45	5.78
674	NASDAQ	PIRS	Wed, Nov 15, 2017	5.58	5.60	5.34	5.41
673	NASDAQ	PIRS	Tue, Nov 14, 2017	5.62	5.75	5.47	5.64
672	NASDAQ	PIRS	Mon, Nov 13, 2017	5.44	5.68	5.23	5.55
671	NASDAQ	PIRS	Fri, Nov 10, 2017	5.24	5.63	5.11	5.45
670	NASDAQ	PIRS	Thu, Nov 9, 2017	4.80	5.65	4.72	5.25
669	NASDAQ	PIRS	Wed, Nov 8, 2017	4.74	4.88	4.70	4.78
668	NASDAQ	PIRS	Tue, Nov 7, 2017	4.90	4.99	4.67	4.75
667	NASDAQ	PIRS	Mon, Nov 6, 2017	5.00	5.00	4.86	4.92
666	NASDAQ	PIRS	Fri, Nov 3, 2017	4.95	5.08	4.87	4.95
665	NASDAQ	PIRS	Thu, Nov 2, 2017	4.82	5.03	4.80	4.98
664	NASDAQ	PIRS	Wed, Nov 1, 2017	5.04	5.06	4.80	4.84
663	NASDAQ	PIRS	Tue, Oct 31, 2017	5.05	5.09	4.96	5.05
662	NASDAQ	PIRS	Mon, Oct 30, 2017	4.99	5.22	4.93	5.04
661	NASDAQ	PIRS	Fri, Oct 27, 2017	4.82	5.04	4.71	4.96
660	NASDAQ	PIRS	Thu, Oct 26, 2017	4.61	4.92	4.58	4.84
659	NASDAQ	PIRS	Wed, Oct 25, 2017	4.73	4.87	4.65	4.68
658	NASDAQ	PIRS	Tue, Oct 24, 2017	5.08	5.10	4.70	4.74
657	NASDAQ	PIRS	Mon, Oct 23, 2017	5.00	5.25	4.99	5.12
656	NASDAQ	PIRS	Fri, Oct 20, 2017	5.08	5.13	4.96	5.00
655	NASDAQ	PIRS	Thu, Oct 19, 2017	5.22	5.24	4.88	5.10
654	NASDAQ	PIRS	Wed, Oct 18, 2017	5.30	5.35	5.06	5.13
653	NASDAQ	PIRS	Tue, Oct 17, 2017	5.25	5.48	5.25	5.28
652	NASDAQ	PIRS	Mon, Oct 16, 2017	5.60	5.79	5.14	5.27
651	NASDAQ	PIRS	Fri, Oct 13, 2017	5.89	5.95	5.68	5.72
650	NASDAQ	PIRS	Thu, Oct 12, 2017	6.19	6.26	5.60	5.87
649	NASDAQ	PIRS	Wed, Oct 11, 2017	6.28	6.44	6.20	6.23
648	NASDAQ	PIRS	Tue, Oct 10, 2017	6.19	6.33	6.06	6.30
647	NASDAQ	PIRS	Mon, Oct 9, 2017	6.22	6.36	6.06	6.19
646	NASDAQ	PIRS	Fri, Oct 6, 2017	6.50	6.58	6.20	6.23
645	NASDAQ	PIRS	Thu, Oct 5, 2017	6.40	6.58	6.35	6.53
644	NASDAQ	PIRS	Wed, Oct 4, 2017	6.30	6.44	6.20	6.34
643	NASDAQ	PIRS	Tue, Oct 3, 2017	6.25	6.48	6.01	6.19
642	NASDAQ	PIRS	Mon, Oct 2, 2017	5.76	6.25	5.72	6.21
641	NASDAQ	PIRS	Fri, Sep 29, 2017	5.59	5.83	5.43	5.76
640	NASDAQ	PIRS	Thu, Sep 28, 2017	5.43	5.99	5.42	5.88
639	NASDAQ	PIRS	Wed, Sep 27, 2017	5.37	5.43	5.31	5.42
638	NASDAQ	PIRS	Tue, Sep 26, 2017	5.29	5.33	5.22	5.31
637	NASDAQ	PIRS	Mon, Sep 25, 2017	5.25	5.32	5.18	5.25
636	NASDAQ	PIRS	Fri, Sep 22, 2017	5.17	5.35	5.15	5.28
635	NASDAQ	PIRS	Thu, Sep 21, 2017	5.29	5.32	5.13	5.17
634	NASDAQ	PIRS	Wed, Sep 20, 2017	5.42	5.42	5.22	5.32
633	NASDAQ	PIRS	Tue, Sep 19, 2017	5.39	5.44	5.33	5.39
632	NASDAQ	PIRS	Mon, Sep 18, 2017	5.44	5.49	5.33	5.43
631	NASDAQ	PIRS	Fri, Sep 15, 2017	5.41	5.45	5.26	5.39
630	NASDAQ	PIRS	Thu, Sep 14, 2017	5.29	5.42	5.21	5.40
629	NASDAQ	PIRS	Wed, Sep 13, 2017	5.30	5.39	5.23	5.32
628	NASDAQ	PIRS	Tue, Sep 12, 2017	5.45	5.48	5.26	5.35
627	NASDAQ	PIRS	Mon, Sep 11, 2017	5.35	5.48	5.21	5.43
626	NASDAQ	PIRS	Fri, Sep 8, 2017	5.28	5.35	5.20	5.33
625	NASDAQ	PIRS	Thu, Sep 7, 2017	5.21	5.35	5.15	5.28
624	NASDAQ	PIRS	Wed, Sep 6, 2017	5.19	5.37	5.07	5.20
623	NASDAQ	PIRS	Tue, Sep 5, 2017	5.42	5.47	5.15	5.19
622	NASDAQ	PIRS	Fri, Sep 1, 2017	5.53	5.53	5.31	5.48
621	NASDAQ	PIRS	Thu, Aug 31, 2017	5.57	5.58	5.41	5.51
620	NASDAQ	PIRS	Wed, Aug 30, 2017	5.33	5.54	5.25	5.50
619	NASDAQ	PIRS	Tue, Aug 29, 2017	5.19	5.32	5.09	5.31
618	NASDAQ	PIRS	Mon, Aug 28, 2017	5.10	5.23	5.02	5.23
617	NASDAQ	PIRS	Fri, Aug 25, 2017	5.26	5.28	5.00	5.05
616	NASDAQ	PIRS	Thu, Aug 24, 2017	5.14	5.22	5.07	5.21
615	NASDAQ	PIRS	Wed, Aug 23, 2017	5.00	5.18	5.00	5.11
614	NASDAQ	PIRS	Tue, Aug 22, 2017	5.10	5.10	4.95	5.00
613	NASDAQ	PIRS	Mon, Aug 21, 2017	4.92	5.20	4.82	5.05
612	NASDAQ	PIRS	Fri, Aug 18, 2017	4.75	4.89	4.66	4.87
611	NASDAQ	PIRS	Thu, Aug 17, 2017	4.70	4.90	4.61	4.63
610	NASDAQ	PIRS	Wed, Aug 16, 2017	4.70	4.90	4.61	4.74
609	NASDAQ	PIRS	Tue, Aug 15, 2017	4.78	4.80	4.62	4.72
608	NASDAQ	PIRS	Mon, Aug 14, 2017	4.61	4.88	4.60	4.80
607	NASDAQ	PIRS	Fri, Aug 11, 2017	4.60	4.75	4.42	4.58
606	NASDAQ	PIRS	Thu, Aug 10, 2017	4.97	5.12	4.47	4.63
605	NASDAQ	PIRS	Wed, Aug 9, 2017	5.13	5.17	4.95	5.00
604	NASDAQ	PIRS	Tue, Aug 8, 2017	5.32	5.32	5.13	5.18
603	NASDAQ	PIRS	Mon, Aug 7, 2017	5.24	5.40	5.18	5.29
602	NASDAQ	PIRS	Fri, Aug 4, 2017	5.08	5.35	5.02	5.25
601	NASDAQ	PIRS	Thu, Aug 3, 2017	5.00	5.18	4.92	5.09
600	NASDAQ	PIRS	Wed, Aug 2, 2017	5.17	5.29	5.00	5.03
599	NASDAQ	PIRS	Tue, Aug 1, 2017	5.21	5.29	4.80	5.18
598	NASDAQ	PIRS	Mon, Jul 31, 2017	5.35	5.58	5.17	5.20
597	NASDAQ	PIRS	Fri, Jul 28, 2017	5.22	5.41	5.16	5.32
596	NASDAQ	PIRS	Thu, Jul 27, 2017	5.58	5.58	5.14	5.27
595	NASDAQ	PIRS	Wed, Jul 26, 2017	5.60	5.72	5.53	5.54
594	NASDAQ	PIRS	Tue, Jul 25, 2017	5.81	6.05	5.58	5.64
593	NASDAQ	PIRS	Mon, Jul 24, 2017	5.68	5.84	5.65	5.83
592	NASDAQ	PIRS	Fri, Jul 21, 2017	5.68	5.89	5.61	5.70
591	NASDAQ	PIRS	Thu, Jul 20, 2017	5.82	5.84	5.43	5.65
590	NASDAQ	PIRS	Wed, Jul 19, 2017	5.74	5.94	5.74	5.83
589	NASDAQ	PIRS	Tue, Jul 18, 2017	5.70	5.78	5.52	5.75
588	NASDAQ	PIRS	Mon, Jul 17, 2017	5.89	5.90	5.66	5.74
587	NASDAQ	PIRS	Fri, Jul 14, 2017	5.56	5.83	5.40	5.83
586	NASDAQ	PIRS	Thu, Jul 13, 2017	5.96	5.97	5.28	5.52
585	NASDAQ	PIRS	Wed, Jul 12, 2017	6.18	6.20	5.90	5.94
584	NASDAQ	PIRS	Tue, Jul 11, 2017	6.05	6.15	5.93	6.03
583	NASDAQ	PIRS	Mon, Jul 10, 2017	5.87	6.05	5.83	5.93
582	NASDAQ	PIRS	Fri, Jul 7, 2017	5.75	5.88	5.70	5.80
581	NASDAQ	PIRS	Thu, Jul 6, 2017	5.46	5.84	5.45	5.64
580	NASDAQ	PIRS	Wed, Jul 5, 2017	5.49	5.68	5.36	5.44
579	NASDAQ	PIRS	Mon, Jul 3, 2017	5.10	5.14	4.82	5.13
578	NASDAQ	PIRS	Fri, Jun 30, 2017	5.06	5.46	5.02	5.06
577	NASDAQ	PIRS	Thu, Jun 29, 2017	4.77	5.04	4.70	4.94
576	NASDAQ	PIRS	Wed, Jun 28, 2017	4.80	4.80	4.60	4.73
575	NASDAQ	PIRS	Tue, Jun 27, 2017	4.85	4.89	4.68	4.75
574	NASDAQ	PIRS	Mon, Jun 26, 2017	4.82	5.02	4.69	4.81
573	NASDAQ	PIRS	Fri, Jun 23, 2017	4.68	4.86	4.44	4.85
572	NASDAQ	PIRS	Thu, Jun 22, 2017	4.56	4.75	4.56	4.63
571	NASDAQ	PIRS	Wed, Jun 21, 2017	4.49	4.69	4.48	4.54
570	NASDAQ	PIRS	Tue, Jun 20, 2017	4.50	4.65	4.35	4.49
569	NASDAQ	PIRS	Mon, Jun 19, 2017	4.27	4.60	4.27	4.50
568	NASDAQ	PIRS	Fri, Jun 16, 2017	4.21	4.35	4.21	4.28
567	NASDAQ	PIRS	Thu, Jun 15, 2017	4.15	4.26	4.11	4.23
566	NASDAQ	PIRS	Wed, Jun 14, 2017	4.36	4.42	4.15	4.19
565	NASDAQ	PIRS	Tue, Jun 13, 2017	4.26	4.46	4.25	4.32
564	NASDAQ	PIRS	Mon, Jun 12, 2017	4.35	4.42	4.18	4.26
563	NASDAQ	PIRS	Fri, Jun 9, 2017	4.25	4.58	4.16	4.38
562	NASDAQ	PIRS	Thu, Jun 8, 2017	4.43	4.43	4.11	4.28
561	NASDAQ	PIRS	Wed, Jun 7, 2017	4.43	4.52	4.21	4.39
560	NASDAQ	PIRS	Tue, Jun 6, 2017	4.72	4.83	4.42	4.46
559	NASDAQ	PIRS	Mon, Jun 5, 2017	4.92	5.05	4.66	4.71
558	NASDAQ	PIRS	Fri, Jun 2, 2017	4.84	4.93	4.68	4.89
557	NASDAQ	PIRS	Thu, Jun 1, 2017	4.53	4.85	4.50	4.82
556	NASDAQ	PIRS	Wed, May 31, 2017	4.62	4.85	4.44	4.58
555	NASDAQ	PIRS	Tue, May 30, 2017	4.41	5.06	4.41	4.62
554	NASDAQ	PIRS	Fri, May 26, 2017	4.48	4.54	4.25	4.31
553	NASDAQ	PIRS	Thu, May 25, 2017	4.21	4.59	4.19	4.45
552	NASDAQ	PIRS	Wed, May 24, 2017	4.05	4.20	3.91	4.14
551	NASDAQ	PIRS	Tue, May 23, 2017	3.95	4.09	3.90	4.02
550	NASDAQ	PIRS	Mon, May 22, 2017	4.04	4.09	3.83	3.94
549	NASDAQ	PIRS	Fri, May 19, 2017	4.02	4.19	4.02	4.05
548	NASDAQ	PIRS	Thu, May 18, 2017	4.04	4.15	3.98	4.04
547	NASDAQ	PIRS	Wed, May 17, 2017	4.08	4.16	3.93	4.01
546	NASDAQ	PIRS	Tue, May 16, 2017	3.83	4.28	3.80	4.09
545	NASDAQ	PIRS	Mon, May 15, 2017	3.83	4.00	3.76	3.82
544	NASDAQ	PIRS	Fri, May 12, 2017	3.86	4.02	3.75	3.80
543	NASDAQ	PIRS	Thu, May 11, 2017	3.68	4.07	3.62	3.89
542	NASDAQ	PIRS	Wed, May 10, 2017	3.43	4.17	3.42	3.98
541	NASDAQ	PIRS	Tue, May 9, 2017	3.45	3.53	3.33	3.40
540	NASDAQ	PIRS	Mon, May 8, 2017	3.60	3.66	3.29	3.41
539	NASDAQ	PIRS	Fri, May 5, 2017	3.57	3.63	3.26	3.56
538	NASDAQ	PIRS	Thu, May 4, 2017	3.51	3.89	3.43	3.54
537	NASDAQ	PIRS	Wed, May 3, 2017	3.16	3.97	3.03	3.67
536	NASDAQ	PIRS	Tue, May 2, 2017	2.41	2.43	2.34	2.40
535	NASDAQ	PIRS	Mon, May 1, 2017	2.44	2.44	2.36	2.40
534	NASDAQ	PIRS	Fri, Apr 28, 2017	2.37	2.41	2.35	2.41
533	NASDAQ	PIRS	Thu, Apr 27, 2017	2.33	2.38	2.33	2.35
532	NASDAQ	PIRS	Wed, Apr 26, 2017	2.33	2.38	2.31	2.35
531	NASDAQ	PIRS	Tue, Apr 25, 2017	2.32	2.44	2.28	2.32
530	NASDAQ	PIRS	Mon, Apr 24, 2017	2.32	2.46	2.32	2.32
529	NASDAQ	PIRS	Fri, Apr 21, 2017	2.44	2.44	2.32	2.34
528	NASDAQ	PIRS	Thu, Apr 20, 2017	2.45	2.58	2.36	2.38
527	NASDAQ	PIRS	Wed, Apr 19, 2017	2.42	2.49	2.32	2.44
526	NASDAQ	PIRS	Tue, Apr 18, 2017	2.59	2.59	2.35	2.42
525	NASDAQ	PIRS	Mon, Apr 17, 2017	2.32	2.44	2.29	2.39
524	NASDAQ	PIRS	Thu, Apr 13, 2017	2.30	2.34	2.26	2.33
523	NASDAQ	PIRS	Wed, Apr 12, 2017	2.39	2.39	2.28	2.30
522	NASDAQ	PIRS	Tue, Apr 11, 2017	2.42	2.46	2.34	2.38
521	NASDAQ	PIRS	Mon, Apr 10, 2017	2.35	2.47	2.35	2.38
520	NASDAQ	PIRS	Fri, Apr 7, 2017	2.44	2.45	2.33	2.37
519	NASDAQ	PIRS	Thu, Apr 6, 2017	2.49	2.51	2.29	2.44
518	NASDAQ	PIRS	Wed, Apr 5, 2017	2.52	2.55	2.48	2.49
517	NASDAQ	PIRS	Tue, Apr 4, 2017	2.53	2.67	2.50	2.51
516	NASDAQ	PIRS	Mon, Apr 3, 2017	2.59	2.62	2.52	2.57
515	NASDAQ	PIRS	Fri, Mar 31, 2017	2.70	2.71	2.55	2.60
514	NASDAQ	PIRS	Thu, Mar 30, 2017	2.77	2.78	2.57	2.72
513	NASDAQ	PIRS	Wed, Mar 29, 2017	2.76	2.78	2.71	2.78
512	NASDAQ	PIRS	Tue, Mar 28, 2017	2.78	2.79	2.66	2.78
511	NASDAQ	PIRS	Mon, Mar 27, 2017	2.66	2.80	2.59	2.78
510	NASDAQ	PIRS	Fri, Mar 24, 2017	2.57	2.66	2.56	2.66
509	NASDAQ	PIRS	Thu, Mar 23, 2017	2.50	2.60	2.42	2.55
508	NASDAQ	PIRS	Wed, Mar 22, 2017	2.58	2.59	2.40	2.45
507	NASDAQ	PIRS	Tue, Mar 21, 2017	2.67	2.67	2.46	2.52
506	NASDAQ	PIRS	Mon, Mar 20, 2017	2.73	2.73	2.56	2.67
505	NASDAQ	PIRS	Fri, Mar 17, 2017	2.76	2.78	2.71	2.73
504	NASDAQ	PIRS	Thu, Mar 16, 2017	2.73	2.83	2.70	2.77
503	NASDAQ	PIRS	Wed, Mar 15, 2017	2.70	2.78	2.61	2.72
502	NASDAQ	PIRS	Tue, Mar 14, 2017	2.78	2.79	2.51	2.68
501	NASDAQ	PIRS	Mon, Mar 13, 2017	2.85	2.86	2.70	2.78
500	NASDAQ	PIRS	Fri, Mar 10, 2017	2.99	2.99	2.82	2.85
499	NASDAQ	PIRS	Thu, Mar 9, 2017	2.60	3.09	2.58	2.85
498	NASDAQ	PIRS	Wed, Mar 8, 2017	2.62	2.68	2.58	2.58
497	NASDAQ	PIRS	Tue, Mar 7, 2017	2.60	2.75	2.51	2.64
496	NASDAQ	PIRS	Mon, Mar 6, 2017	2.24	2.67	2.20	2.64
495	NASDAQ	PIRS	Fri, Mar 3, 2017	2.15	2.24	2.15	2.22
494	NASDAQ	PIRS	Thu, Mar 2, 2017	2.07	2.24	2.07	2.17
493	NASDAQ	PIRS	Wed, Mar 1, 2017	2.04	2.11	2.01	2.07
492	NASDAQ	PIRS	Tue, Feb 28, 2017	2.04	2.07	1.96	2.04
491	NASDAQ	PIRS	Mon, Feb 27, 2017	2.24	2.24	1.96	2.02
490	NASDAQ	PIRS	Fri, Feb 24, 2017	2.01	2.01	1.88	1.92
489	NASDAQ	PIRS	Thu, Feb 23, 2017	2.05	2.05	1.99	1.99
488	NASDAQ	PIRS	Wed, Feb 22, 2017	2.01	2.07	2.01	2.03
487	NASDAQ	PIRS	Tue, Feb 21, 2017	2.10	2.10	2.04	2.04
486	NASDAQ	PIRS	Fri, Feb 17, 2017	2.08	2.15	2.01	2.10
485	NASDAQ	PIRS	Thu, Feb 16, 2017	2.14	2.15	2.00	2.09
484	NASDAQ	PIRS	Wed, Feb 15, 2017	2.15	2.17	2.10	2.15
483	NASDAQ	PIRS	Tue, Feb 14, 2017	2.20	2.20	2.13	2.15
482	NASDAQ	PIRS	Mon, Feb 13, 2017	2.08	2.18	2.08	2.17
481	NASDAQ	PIRS	Fri, Feb 10, 2017	2.06	2.10	2.01	2.08
480	NASDAQ	PIRS	Thu, Feb 9, 2017	2.09	2.11	2.04	2.07
479	NASDAQ	PIRS	Wed, Feb 8, 2017	2.09	2.11	2.03	2.10
478	NASDAQ	PIRS	Tue, Feb 7, 2017	2.20	2.20	2.09	2.13
477	NASDAQ	PIRS	Mon, Feb 6, 2017	2.16	2.24	2.15	2.20
476	NASDAQ	PIRS	Fri, Feb 3, 2017	2.16	2.18	2.12	2.16
475	NASDAQ	PIRS	Thu, Feb 2, 2017	2.17	2.17	2.08	2.16
474	NASDAQ	PIRS	Wed, Feb 1, 2017	2.21	2.24	2.15	2.17
473	NASDAQ	PIRS	Tue, Jan 31, 2017	2.10	2.24	2.09	2.19
472	NASDAQ	PIRS	Mon, Jan 30, 2017	2.12	2.23	2.08	2.11
471	NASDAQ	PIRS	Fri, Jan 27, 2017	1.99	2.15	1.99	2.09
470	NASDAQ	PIRS	Thu, Jan 26, 2017	2.00	2.10	1.95	1.98
469	NASDAQ	PIRS	Wed, Jan 25, 2017	1.95	2.07	1.88	2.01
468	NASDAQ	PIRS	Tue, Jan 24, 2017	1.70	1.94	1.67	1.91
467	NASDAQ	PIRS	Mon, Jan 23, 2017	1.82	1.82	1.66	1.70
466	NASDAQ	PIRS	Fri, Jan 20, 2017	1.82	1.84	1.73	1.81
465	NASDAQ	PIRS	Thu, Jan 19, 2017	1.80	1.82	1.76	1.79
464	NASDAQ	PIRS	Wed, Jan 18, 2017	1.85	1.91	1.77	1.80
463	NASDAQ	PIRS	Tue, Jan 17, 2017	1.92	1.94	1.80	1.87
462	NASDAQ	PIRS	Fri, Jan 13, 2017	1.88	1.95	1.81	1.92
461	NASDAQ	PIRS	Thu, Jan 12, 2017	1.85	1.95	1.79	1.87
460	NASDAQ	PIRS	Wed, Jan 11, 2017	1.82	1.89	1.71	1.87
459	NASDAQ	PIRS	Tue, Jan 10, 2017	1.88	1.90	1.76	1.82
458	NASDAQ	PIRS	Mon, Jan 9, 2017	1.90	1.91	1.75	1.86
457	NASDAQ	PIRS	Fri, Jan 6, 2017	1.77	1.90	1.77	1.88
456	NASDAQ	PIRS	Thu, Jan 5, 2017	1.85	1.96	1.71	1.76
455	NASDAQ	PIRS	Wed, Jan 4, 2017	1.42	1.47	1.42	1.47
454	NASDAQ	PIRS	Tue, Jan 3, 2017	1.38	1.48	1.38	1.46
453	NASDAQ	PIRS	Fri, Dec 30, 2016	1.40	1.42	1.39	1.41
452	NASDAQ	PIRS	Thu, Dec 29, 2016	1.48	1.48	1.40	1.41
451	NASDAQ	PIRS	Wed, Dec 28, 2016	1.47	1.49	1.43	1.46
450	NASDAQ	PIRS	Tue, Dec 27, 2016	1.42	1.48	1.42	1.48
449	NASDAQ	PIRS	Fri, Dec 23, 2016	1.41	1.44	1.39	1.44
448	NASDAQ	PIRS	Thu, Dec 22, 2016	1.43	1.44	1.38	1.41
447	NASDAQ	PIRS	Wed, Dec 21, 2016	1.38	1.44	1.38	1.41
446	NASDAQ	PIRS	Tue, Dec 20, 2016	1.36	1.45	1.36	1.38
445	NASDAQ	PIRS	Mon, Dec 19, 2016	1.39	1.44	1.37	1.40
444	NASDAQ	PIRS	Fri, Dec 16, 2016	1.38	1.46	1.38	1.42
443	NASDAQ	PIRS	Thu, Dec 15, 2016	1.35	1.45	1.34	1.40
442	NASDAQ	PIRS	Wed, Dec 14, 2016	1.43	1.43	1.34	1.36
441	NASDAQ	PIRS	Tue, Dec 13, 2016	1.46	1.49	1.42	1.44
440	NASDAQ	PIRS	Mon, Dec 12, 2016	1.59	1.59	1.45	1.47
439	NASDAQ	PIRS	Fri, Dec 9, 2016	1.48	1.56	1.48	1.54
438	NASDAQ	PIRS	Thu, Dec 8, 2016	1.47	1.56	1.47	1.51
437	NASDAQ	PIRS	Wed, Dec 7, 2016	1.52	1.57	1.46	1.56
436	NASDAQ	PIRS	Tue, Dec 6, 2016	1.54	1.60	1.51	1.59
435	NASDAQ	PIRS	Mon, Dec 5, 2016	1.62	1.64	1.56	1.57
434	NASDAQ	PIRS	Fri, Dec 2, 2016	1.53	1.67	1.46	1.60
433	NASDAQ	PIRS	Thu, Dec 1, 2016	1.50	1.65	1.48	1.53
432	NASDAQ	PIRS	Wed, Nov 30, 2016	1.50	1.57	1.50	1.54
431	NASDAQ	PIRS	Tue, Nov 29, 2016	1.41	1.49	1.41	1.48
430	NASDAQ	PIRS	Mon, Nov 28, 2016	1.47	1.58	1.43	1.45
429	NASDAQ	PIRS	Fri, Nov 25, 2016	1.46	1.52	1.42	1.51
428	NASDAQ	PIRS	Wed, Nov 23, 2016	1.48	1.52	1.40	1.45
427	NASDAQ	PIRS	Tue, Nov 22, 2016	1.49	1.58	1.45	1.50
426	NASDAQ	PIRS	Mon, Nov 21, 2016	1.57	1.62	1.46	1.48
425	NASDAQ	PIRS	Fri, Nov 18, 2016	1.60	1.61	1.53	1.57
424	NASDAQ	PIRS	Thu, Nov 17, 2016	1.57	1.65	1.52	1.60
423	NASDAQ	PIRS	Wed, Nov 16, 2016	1.52	1.59	1.52	1.57
422	NASDAQ	PIRS	Tue, Nov 15, 2016	1.58	1.58	1.53	1.57
421	NASDAQ	PIRS	Mon, Nov 14, 2016	1.53	1.58	1.50	1.58
420	NASDAQ	PIRS	Fri, Nov 11, 2016	1.47	1.59	1.46	1.51
419	NASDAQ	PIRS	Thu, Nov 10, 2016	1.50	1.53	1.40	1.49
418	NASDAQ	PIRS	Wed, Nov 9, 2016	1.40	1.55	1.40	1.50
417	NASDAQ	PIRS	Tue, Nov 8, 2016	1.43	1.48	1.37	1.40
416	NASDAQ	PIRS	Mon, Nov 7, 2016	1.45	1.48	1.37	1.44
415	NASDAQ	PIRS	Fri, Nov 4, 2016	1.43	1.43	1.30	1.40
414	NASDAQ	PIRS	Thu, Nov 3, 2016	1.50	1.59	1.39	1.43
413	NASDAQ	PIRS	Wed, Nov 2, 2016	1.53	1.54	1.49	1.52
412	NASDAQ	PIRS	Tue, Nov 1, 2016	1.50	1.58	1.48	1.52
411	NASDAQ	PIRS	Mon, Oct 31, 2016	1.53	1.53	1.46	1.50
410	NASDAQ	PIRS	Fri, Oct 28, 2016	1.55	1.58	1.52	1.52
409	NASDAQ	PIRS	Thu, Oct 27, 2016	1.59	1.63	1.53	1.53
408	NASDAQ	PIRS	Wed, Oct 26, 2016	1.65	1.68	1.58	1.59
407	NASDAQ	PIRS	Tue, Oct 25, 2016	1.61	1.76	1.58	1.64
406	NASDAQ	PIRS	Mon, Oct 24, 2016	1.62	1.63	1.59	1.60
405	NASDAQ	PIRS	Fri, Oct 21, 2016	1.63	1.66	1.59	1.62
404	NASDAQ	PIRS	Thu, Oct 20, 2016	1.62	1.65	1.58	1.62
403	NASDAQ	PIRS	Wed, Oct 19, 2016	1.63	1.65	1.58	1.61
402	NASDAQ	PIRS	Tue, Oct 18, 2016	1.63	1.69	1.57	1.59
401	NASDAQ	PIRS	Mon, Oct 17, 2016	1.65	1.66	1.61	1.64
400	NASDAQ	PIRS	Fri, Oct 14, 2016	1.66	1.70	1.64	1.66
399	NASDAQ	PIRS	Thu, Oct 13, 2016	1.69	1.72	1.64	1.64
398	NASDAQ	PIRS	Wed, Oct 12, 2016	1.81	1.81	1.69	1.72
397	NASDAQ	PIRS	Tue, Oct 11, 2016	1.78	1.83	1.69	1.71
396	NASDAQ	PIRS	Mon, Oct 10, 2016	1.76	1.83	1.72	1.79
395	NASDAQ	PIRS	Fri, Oct 7, 2016	1.74	1.80	1.73	1.76
394	NASDAQ	PIRS	Thu, Oct 6, 2016	1.86	1.86	1.70	1.71
393	NASDAQ	PIRS	Wed, Oct 5, 2016	1.85	1.91	1.82	1.90
392	NASDAQ	PIRS	Tue, Oct 4, 2016	1.97	1.99	1.83	1.86
391	NASDAQ	PIRS	Mon, Oct 3, 2016	1.85	2.02	1.79	1.96
390	NASDAQ	PIRS	Fri, Sep 30, 2016	1.74	1.85	1.68	1.83
389	NASDAQ	PIRS	Thu, Sep 29, 2016	1.65	1.73	1.61	1.68
388	NASDAQ	PIRS	Wed, Sep 28, 2016	1.70	1.75	1.61	1.64
387	NASDAQ	PIRS	Tue, Sep 27, 2016	1.80	1.85	1.66	1.71
386	NASDAQ	PIRS	Mon, Sep 26, 2016	1.69	1.72	1.66	1.68
385	NASDAQ	PIRS	Fri, Sep 23, 2016	1.69	1.72	1.63	1.69
384	NASDAQ	PIRS	Thu, Sep 22, 2016	1.61	1.73	1.59	1.67
383	NASDAQ	PIRS	Wed, Sep 21, 2016	1.60	1.61	1.59	1.59
382	NASDAQ	PIRS	Tue, Sep 20, 2016	1.60	1.64	1.58	1.59
381	NASDAQ	PIRS	Mon, Sep 19, 2016	1.57	1.60	1.57	1.58
380	NASDAQ	PIRS	Fri, Sep 16, 2016	1.57	1.62	1.55	1.55
379	NASDAQ	PIRS	Thu, Sep 15, 2016	1.55	1.63	1.54	1.57
378	NASDAQ	PIRS	Wed, Sep 14, 2016	1.64	1.64	1.52	1.57
377	NASDAQ	PIRS	Tue, Sep 13, 2016	1.58	1.65	1.54	1.55
376	NASDAQ	PIRS	Mon, Sep 12, 2016	1.58	1.63	1.58	1.60
375	NASDAQ	PIRS	Fri, Sep 9, 2016	1.61	1.64	1.58	1.60
374	NASDAQ	PIRS	Thu, Sep 8, 2016	1.59	1.65	1.59	1.63
373	NASDAQ	PIRS	Wed, Sep 7, 2016	1.62	1.67	1.58	1.60
372	NASDAQ	PIRS	Tue, Sep 6, 2016	1.61	1.63	1.59	1.61
371	NASDAQ	PIRS	Fri, Sep 2, 2016	1.63	1.65	1.60	1.61
370	NASDAQ	PIRS	Thu, Sep 1, 2016	1.60	1.67	1.60	1.61
369	NASDAQ	PIRS	Wed, Aug 31, 2016	1.59	1.62	1.59	1.60
368	NASDAQ	PIRS	Tue, Aug 30, 2016	1.61	1.63	1.58	1.60
367	NASDAQ	PIRS	Mon, Aug 29, 2016	1.60	1.61	1.58	1.60
366	NASDAQ	PIRS	Fri, Aug 26, 2016	1.62	1.65	1.59	1.61
365	NASDAQ	PIRS	Thu, Aug 25, 2016	1.61	1.64	1.59	1.62
364	NASDAQ	PIRS	Wed, Aug 24, 2016	1.64	1.69	1.59	1.61
363	NASDAQ	PIRS	Tue, Aug 23, 2016	1.65	1.75	1.63	1.66
362	NASDAQ	PIRS	Mon, Aug 22, 2016	1.62	1.66	1.62	1.66
361	NASDAQ	PIRS	Fri, Aug 19, 2016	1.62	1.70	1.62	1.63
360	NASDAQ	PIRS	Thu, Aug 18, 2016	1.65	1.71	1.62	1.63
359	NASDAQ	PIRS	Wed, Aug 17, 2016	1.71	1.76	1.64	1.66
358	NASDAQ	PIRS	Tue, Aug 16, 2016	1.75	1.75	1.72	1.72
357	NASDAQ	PIRS	Mon, Aug 15, 2016	1.75	1.76	1.70	1.73
356	NASDAQ	PIRS	Fri, Aug 12, 2016	1.70	1.75	1.70	1.74
355	NASDAQ	PIRS	Thu, Aug 11, 2016	1.75	1.78	1.63	1.69
354	NASDAQ	PIRS	Wed, Aug 10, 2016	1.68	1.74	1.65	1.71
353	NASDAQ	PIRS	Tue, Aug 9, 2016	1.67	1.72	1.65	1.69
352	NASDAQ	PIRS	Mon, Aug 8, 2016	1.68	1.74	1.65	1.66
351	NASDAQ	PIRS	Fri, Aug 5, 2016	1.72	1.77	1.68	1.68
350	NASDAQ	PIRS	Thu, Aug 4, 2016	1.73	1.76	1.70	1.70
349	NASDAQ	PIRS	Wed, Aug 3, 2016	1.72	1.80	1.71	1.73
348	NASDAQ	PIRS	Tue, Aug 2, 2016	1.78	1.78	1.70	1.73
347	NASDAQ	PIRS	Mon, Aug 1, 2016	1.76	1.82	1.75	1.77
346	NASDAQ	PIRS	Fri, Jul 29, 2016	1.71	1.82	1.66	1.76
345	NASDAQ	PIRS	Thu, Jul 28, 2016	1.69	1.76	1.65	1.72
344	NASDAQ	PIRS	Wed, Jul 27, 2016	1.70	1.73	1.70	1.70
343	NASDAQ	PIRS	Tue, Jul 26, 2016	1.71	1.76	1.67	1.70
342	NASDAQ	PIRS	Mon, Jul 25, 2016	1.74	1.75	1.67	1.73
341	NASDAQ	PIRS	Fri, Jul 22, 2016	1.65	1.73	1.65	1.69
340	NASDAQ	PIRS	Thu, Jul 21, 2016	1.63	1.75	1.63	1.68
339	NASDAQ	PIRS	Wed, Jul 20, 2016	1.69	1.74	1.66	1.66
338	NASDAQ	PIRS	Tue, Jul 19, 2016	1.70	1.76	1.62	1.69
337	NASDAQ	PIRS	Mon, Jul 18, 2016	1.68	1.74	1.65	1.70
336	NASDAQ	PIRS	Fri, Jul 15, 2016	1.72	1.76	1.68	1.71
335	NASDAQ	PIRS	Thu, Jul 14, 2016	1.75	1.76	1.69	1.73
334	NASDAQ	PIRS	Wed, Jul 13, 2016	1.75	1.78	1.64	1.73
333	NASDAQ	PIRS	Tue, Jul 12, 2016	1.65	1.71	1.60	1.64
332	NASDAQ	PIRS	Mon, Jul 11, 2016	1.65	1.70	1.59	1.65
331	NASDAQ	PIRS	Fri, Jul 8, 2016	1.58	1.69	1.58	1.65
330	NASDAQ	PIRS	Thu, Jul 7, 2016	1.66	1.66	1.55	1.56
329	NASDAQ	PIRS	Wed, Jul 6, 2016	1.68	1.74	1.63	1.65
328	NASDAQ	PIRS	Tue, Jul 5, 2016	1.66	1.72	1.63	1.69
327	NASDAQ	PIRS	Fri, Jul 1, 2016	1.60	1.74	1.60	1.69
326	NASDAQ	PIRS	Thu, Jun 30, 2016	1.63	1.71	1.58	1.61
325	NASDAQ	PIRS	Wed, Jun 29, 2016	1.63	1.75	1.60	1.65
324	NASDAQ	PIRS	Tue, Jun 28, 2016	1.60	1.70	1.59	1.68
323	NASDAQ	PIRS	Mon, Jun 27, 2016	1.63	1.65	1.56	1.60
322	NASDAQ	PIRS	Fri, Jun 24, 2016	1.58	1.66	1.53	1.66
321	NASDAQ	PIRS	Thu, Jun 23, 2016	1.67	1.69	1.63	1.64
320	NASDAQ	PIRS	Wed, Jun 22, 2016	1.65	1.79	1.65	1.67
319	NASDAQ	PIRS	Tue, Jun 21, 2016	1.75	1.94	1.65	1.65
318	NASDAQ	PIRS	Mon, Jun 20, 2016	1.71	1.82	1.71	1.75
317	NASDAQ	PIRS	Fri, Jun 17, 2016	1.70	1.70	1.66	1.68
316	NASDAQ	PIRS	Thu, Jun 16, 2016	1.69	1.72	1.65	1.70
315	NASDAQ	PIRS	Wed, Jun 15, 2016	1.67	1.71	1.64	1.70
314	NASDAQ	PIRS	Tue, Jun 14, 2016	1.68	1.72	1.63	1.64
313	NASDAQ	PIRS	Mon, Jun 13, 2016	1.66	1.76	1.63	1.69
312	NASDAQ	PIRS	Fri, Jun 10, 2016	1.71	1.72	1.63	1.64
311	NASDAQ	PIRS	Thu, Jun 9, 2016	1.82	1.82	1.73	1.74
310	NASDAQ	PIRS	Wed, Jun 8, 2016	1.77	1.85	1.75	1.84
309	NASDAQ	PIRS	Tue, Jun 7, 2016	1.86	1.90	1.84	1.85
308	NASDAQ	PIRS	Mon, Jun 6, 2016	1.91	1.99	1.85	1.87
307	NASDAQ	PIRS	Fri, Jun 3, 2016	1.96	1.96	1.88	1.90
306	NASDAQ	PIRS	Thu, Jun 2, 2016	1.91	1.95	1.88	1.95
305	NASDAQ	PIRS	Wed, Jun 1, 2016	1.89	1.94	1.83	1.92
304	NASDAQ	PIRS	Tue, May 31, 2016	1.84	1.92	1.84	1.90
303	NASDAQ	PIRS	Fri, May 27, 2016	1.78	1.85	1.78	1.83
302	NASDAQ	PIRS	Thu, May 26, 2016	1.82	1.84	1.78	1.81
301	NASDAQ	PIRS	Wed, May 25, 2016	1.79	1.89	1.76	1.83
300	NASDAQ	PIRS	Tue, May 24, 2016	1.72	1.84	1.71	1.79
299	NASDAQ	PIRS	Mon, May 23, 2016	1.72	1.74	1.69	1.74
298	NASDAQ	PIRS	Fri, May 20, 2016	1.77	1.86	1.64	1.74
297	NASDAQ	PIRS	Thu, May 19, 2016	1.76	1.81	1.58	1.77
296	NASDAQ	PIRS	Wed, May 18, 2016	1.69	1.80	1.65	1.72
295	NASDAQ	PIRS	Tue, May 17, 2016	1.63	1.74	1.63	1.68
294	NASDAQ	PIRS	Mon, May 16, 2016	1.68	1.71	1.62	1.68
293	NASDAQ	PIRS	Fri, May 13, 2016	1.68	1.71	1.66	1.67
292	NASDAQ	PIRS	Thu, May 12, 2016	1.84	1.84	1.66	1.70
291	NASDAQ	PIRS	Wed, May 11, 2016	1.82	1.91	1.76	1.80
290	NASDAQ	PIRS	Tue, May 10, 2016	1.84	1.90	1.78	1.80
289	NASDAQ	PIRS	Mon, May 9, 2016	1.76	1.88	1.74	1.84
288	NASDAQ	PIRS	Fri, May 6, 2016	1.74	1.78	1.72	1.77
287	NASDAQ	PIRS	Thu, May 5, 2016	1.74	1.81	1.71	1.73
286	NASDAQ	PIRS	Wed, May 4, 2016	1.84	1.85	1.75	1.75
285	NASDAQ	PIRS	Tue, May 3, 2016	1.89	1.93	1.86	1.86
284	NASDAQ	PIRS	Mon, May 2, 2016	2.05	2.05	1.88	1.91
283	NASDAQ	PIRS	Fri, Apr 29, 2016	2.10	2.10	2.00	2.01
282	NASDAQ	PIRS	Thu, Apr 28, 2016	2.04	2.25	2.00	2.05
281	NASDAQ	PIRS	Wed, Apr 27, 2016	2.19	2.19	1.99	2.05
280	NASDAQ	PIRS	Tue, Apr 26, 2016	2.24	2.24	2.15	2.20
279	NASDAQ	PIRS	Mon, Apr 25, 2016	2.25	2.34	2.14	2.22
278	NASDAQ	PIRS	Fri, Apr 22, 2016	2.19	2.33	2.19	2.27
277	NASDAQ	PIRS	Thu, Apr 21, 2016	2.14	2.34	2.13	2.19
276	NASDAQ	PIRS	Wed, Apr 20, 2016	2.07	2.15	2.00	2.15
275	NASDAQ	PIRS	Tue, Apr 19, 2016	2.28	2.30	2.05	2.10
274	NASDAQ	PIRS	Mon, Apr 18, 2016	2.40	2.46	2.29	2.32
273	NASDAQ	PIRS	Fri, Apr 15, 2016	2.39	2.46	2.36	2.41
272	NASDAQ	PIRS	Thu, Apr 14, 2016	2.32	2.42	2.28	2.41
271	NASDAQ	PIRS	Wed, Apr 13, 2016	2.35	2.39	2.27	2.34
270	NASDAQ	PIRS	Tue, Apr 12, 2016	2.29	2.34	2.20	2.33
269	NASDAQ	PIRS	Mon, Apr 11, 2016	2.31	2.35	2.23	2.28
268	NASDAQ	PIRS	Fri, Apr 8, 2016	2.43	2.43	2.31	2.35
267	NASDAQ	PIRS	Thu, Apr 7, 2016	2.41	2.47	2.22	2.38
266	NASDAQ	PIRS	Wed, Apr 6, 2016	2.27	2.44	2.21	2.39
265	NASDAQ	PIRS	Tue, Apr 5, 2016	2.37	2.37	2.37	2.28
264	NASDAQ	PIRS	Mon, Apr 4, 2016	2.15	2.37	2.13	2.37
263	NASDAQ	PIRS	Fri, Apr 1, 2016	1.90	2.20	1.90	2.15
262	NASDAQ	PIRS	Thu, Mar 31, 2016	1.87	1.95	1.86	1.90
261	NASDAQ	PIRS	Wed, Mar 30, 2016	1.88	1.98	1.87	1.90
260	NASDAQ	PIRS	Tue, Mar 29, 2016	1.93	1.93	1.82	1.90
259	NASDAQ	PIRS	Mon, Mar 28, 2016	1.93	1.95	1.86	1.89
258	NASDAQ	PIRS	Thu, Mar 24, 2016	1.76	1.76	1.76	1.93
257	NASDAQ	PIRS	Wed, Mar 23, 2016	2.10	2.10	1.75	1.76
256	NASDAQ	PIRS	Tue, Mar 22, 2016	1.81	1.98	1.81	1.88
255	NASDAQ	PIRS	Mon, Mar 21, 2016	1.62	1.90	1.62	1.82
254	NASDAQ	PIRS	Fri, Mar 18, 2016	1.64	1.68	1.60	1.63
253	NASDAQ	PIRS	Thu, Mar 17, 2016	1.82	1.82	1.56	1.64
252	NASDAQ	PIRS	Wed, Mar 16, 2016	1.67	1.68	1.60	1.62
251	NASDAQ	PIRS	Tue, Mar 15, 2016	1.80	1.80	1.80	1.68
250	NASDAQ	PIRS	Mon, Mar 14, 2016	1.82	1.82	1.77	1.80
249	NASDAQ	PIRS	Fri, Mar 11, 2016	1.77	1.77	1.77	1.77
248	NASDAQ	PIRS	Thu, Mar 10, 2016	1.89	1.89	1.89	1.77
247	NASDAQ	PIRS	Wed, Mar 9, 2016	1.88	1.94	1.82	1.87
246	NASDAQ	PIRS	Tue, Mar 8, 2016	1.91	2.06	1.86	1.92
245	NASDAQ	PIRS	Mon, Mar 7, 2016	1.93	1.99	1.85	1.92
244	NASDAQ	PIRS	Fri, Mar 4, 2016	1.89	1.98	1.89	1.95
243	NASDAQ	PIRS	Thu, Mar 3, 2016	1.95	1.95	1.86	1.94
242	NASDAQ	PIRS	Wed, Mar 2, 2016	1.86	1.95	1.80	1.90
241	NASDAQ	PIRS	Tue, Mar 1, 2016	1.80	1.90	1.79	1.78
240	NASDAQ	PIRS	Mon, Feb 29, 2016	1.75	1.96	1.73	1.74
239	NASDAQ	PIRS	Fri, Feb 26, 2016	1.68	1.74	1.68	1.74
238	NASDAQ	PIRS	Thu, Feb 25, 2016	1.68	1.75	1.64	1.66
237	NASDAQ	PIRS	Wed, Feb 24, 2016	1.70	1.74	1.62	1.67
236	NASDAQ	PIRS	Tue, Feb 23, 2016	1.68	1.75	1.67	1.75
235	NASDAQ	PIRS	Mon, Feb 22, 2016	1.66	1.75	1.62	1.68
234	NASDAQ	PIRS	Fri, Feb 19, 2016	1.67	1.68	1.63	1.64
233	NASDAQ	PIRS	Thu, Feb 18, 2016	1.73	1.75	1.62	1.68
232	NASDAQ	PIRS	Wed, Feb 17, 2016	1.61	1.74	1.61	1.70
231	NASDAQ	PIRS	Tue, Feb 16, 2016	1.53	1.65	1.51	1.59
230	NASDAQ	PIRS	Fri, Feb 12, 2016	1.54	1.59	1.50	1.52
229	NASDAQ	PIRS	Thu, Feb 11, 2016	1.50	1.62	1.50	1.51
228	NASDAQ	PIRS	Wed, Feb 10, 2016	1.55	1.63	1.50	1.56
227	NASDAQ	PIRS	Tue, Feb 9, 2016	1.56	1.56	1.50	1.53
226	NASDAQ	PIRS	Mon, Feb 8, 2016	1.68	1.68	1.50	1.57
225	NASDAQ	PIRS	Fri, Feb 5, 2016	1.71	1.71	1.61	1.70
224	NASDAQ	PIRS	Thu, Feb 4, 2016	1.68	1.73	1.60	1.70
223	NASDAQ	PIRS	Wed, Feb 3, 2016	1.72	1.75	1.60	1.70
222	NASDAQ	PIRS	Tue, Feb 2, 2016	1.78	1.80	1.66	1.73
221	NASDAQ	PIRS	Mon, Feb 1, 2016	1.80	1.82	1.69	1.82
220	NASDAQ	PIRS	Fri, Jan 29, 2016	1.68	1.76	1.62	1.73
219	NASDAQ	PIRS	Thu, Jan 28, 2016	1.55	1.93	1.43	1.66
218	NASDAQ	PIRS	Wed, Jan 27, 2016	1.67	1.72	1.51	1.53
217	NASDAQ	PIRS	Tue, Jan 26, 2016	1.62	1.73	1.59	1.68
216	NASDAQ	PIRS	Mon, Jan 25, 2016	1.60	1.73	1.60	1.63
215	NASDAQ	PIRS	Fri, Jan 22, 2016	1.58	1.64	1.50	1.60
214	NASDAQ	PIRS	Thu, Jan 21, 2016	1.59	1.62	1.55	1.56
213	NASDAQ	PIRS	Wed, Jan 20, 2016	1.53	1.65	1.41	1.59
212	NASDAQ	PIRS	Tue, Jan 19, 2016	1.70	1.75	1.51	1.54
211	NASDAQ	PIRS	Fri, Jan 15, 2016	1.41	1.63	1.31	1.62
210	NASDAQ	PIRS	Thu, Jan 14, 2016	1.69	1.73	1.26	1.49
209	NASDAQ	PIRS	Wed, Jan 13, 2016	1.86	1.92	1.68	1.71
208	NASDAQ	PIRS	Tue, Jan 12, 2016	1.91	2.00	1.83	1.88
207	NASDAQ	PIRS	Mon, Jan 11, 2016	2.05	2.05	1.85	1.92
206	NASDAQ	PIRS	Fri, Jan 8, 2016	2.00	2.16	1.90	2.01
205	NASDAQ	PIRS	Thu, Jan 7, 2016	2.10	2.14	2.00	2.00
204	NASDAQ	PIRS	Wed, Jan 6, 2016	2.20	2.21	2.12	2.13
203	NASDAQ	PIRS	Tue, Jan 5, 2016	2.29	2.34	2.21	2.23
202	NASDAQ	PIRS	Mon, Jan 4, 2016	2.28	2.35	2.22	2.29
201	NASDAQ	PIRS	Thu, Dec 31, 2015	2.33	2.38	2.25	2.29
200	NASDAQ	PIRS	Wed, Dec 30, 2015	2.35	2.40	2.25	2.28
199	NASDAQ	PIRS	Tue, Dec 29, 2015	2.26	2.37	2.23	2.37
198	NASDAQ	PIRS	Mon, Dec 28, 2015	2.28	2.30	2.25	2.25
197	NASDAQ	PIRS	Thu, Dec 24, 2015	2.27	2.31	2.25	2.30
196	NASDAQ	PIRS	Wed, Dec 23, 2015	2.30	2.35	2.29	2.30
195	NASDAQ	PIRS	Tue, Dec 22, 2015	2.38	2.44	2.25	2.27
194	NASDAQ	PIRS	Mon, Dec 21, 2015	2.46	2.49	2.31	2.36
193	NASDAQ	PIRS	Fri, Dec 18, 2015	2.38	2.42	2.26	2.39
192	NASDAQ	PIRS	Thu, Dec 17, 2015	2.40	2.43	2.29	2.33
191	NASDAQ	PIRS	Wed, Dec 16, 2015	2.33	2.44	2.27	2.33
190	NASDAQ	PIRS	Tue, Dec 15, 2015	2.36	2.52	2.31	2.37
189	NASDAQ	PIRS	Mon, Dec 14, 2015	2.50	2.50	2.22	2.34
188	NASDAQ	PIRS	Fri, Dec 11, 2015	2.63	2.67	2.42	2.45
187	NASDAQ	PIRS	Thu, Dec 10, 2015	2.72	2.84	2.57	2.63
186	NASDAQ	PIRS	Wed, Dec 9, 2015	2.83	2.90	2.54	2.69
185	NASDAQ	PIRS	Tue, Dec 8, 2015	2.25	3.08	2.12	2.79
184	NASDAQ	PIRS	Mon, Dec 7, 2015	2.38	2.45	2.01	2.06
183	NASDAQ	PIRS	Fri, Dec 4, 2015	2.29	2.40	2.20	2.35
182	NASDAQ	PIRS	Thu, Dec 3, 2015	2.40	2.43	2.25	2.31
181	NASDAQ	PIRS	Wed, Dec 2, 2015	2.50	2.50	2.35	2.42
180	NASDAQ	PIRS	Tue, Dec 1, 2015	2.57	2.57	2.42	2.49
179	NASDAQ	PIRS	Mon, Nov 30, 2015	2.60	2.68	2.35	2.51
178	NASDAQ	PIRS	Fri, Nov 27, 2015	2.51	2.52	2.39	2.50
177	NASDAQ	PIRS	Wed, Nov 25, 2015	2.34	2.50	2.30	2.48
176	NASDAQ	PIRS	Tue, Nov 24, 2015	2.44	2.46	2.30	2.35
175	NASDAQ	PIRS	Mon, Nov 23, 2015	2.19	2.39	2.15	2.36
174	NASDAQ	PIRS	Fri, Nov 20, 2015	2.17	2.23	2.10	2.19
173	NASDAQ	PIRS	Thu, Nov 19, 2015	2.25	2.30	2.12	2.13
172	NASDAQ	PIRS	Wed, Nov 18, 2015	2.16	2.31	2.07	2.21
171	NASDAQ	PIRS	Tue, Nov 17, 2015	2.01	2.14	1.95	2.11
170	NASDAQ	PIRS	Mon, Nov 16, 2015	1.94	2.04	1.86	2.00
169	NASDAQ	PIRS	Fri, Nov 13, 2015	1.87	2.07	1.82	1.97
168	NASDAQ	PIRS	Thu, Nov 12, 2015	1.95	2.05	1.83	1.87
167	NASDAQ	PIRS	Wed, Nov 11, 2015	2.10	2.27	1.94	1.99
166	NASDAQ	PIRS	Tue, Nov 10, 2015	1.98	2.07	1.89	1.97
165	NASDAQ	PIRS	Mon, Nov 9, 2015	1.93	2.06	1.91	2.00
164	NASDAQ	PIRS	Fri, Nov 6, 2015	1.91	1.93	1.82	1.93
163	NASDAQ	PIRS	Thu, Nov 5, 2015	1.96	1.97	1.80	1.85
162	NASDAQ	PIRS	Wed, Nov 4, 2015	1.97	1.97	1.77	1.88
161	NASDAQ	PIRS	Tue, Nov 3, 2015	1.78	1.95	1.72	1.93
160	NASDAQ	PIRS	Mon, Nov 2, 2015	1.61	1.79	1.57	1.79
159	NASDAQ	PIRS	Fri, Oct 30, 2015	1.70	1.70	1.58	1.59
158	NASDAQ	PIRS	Thu, Oct 29, 2015	1.61	1.70	1.59	1.64
157	NASDAQ	PIRS	Wed, Oct 28, 2015	1.63	1.70	1.54	1.59
156	NASDAQ	PIRS	Tue, Oct 27, 2015	1.65	1.72	1.59	1.59
155	NASDAQ	PIRS	Mon, Oct 26, 2015	1.66	1.66	1.58	1.58
154	NASDAQ	PIRS	Fri, Oct 23, 2015	1.68	1.72	1.62	1.64
153	NASDAQ	PIRS	Thu, Oct 22, 2015	1.76	1.77	1.65	1.65
152	NASDAQ	PIRS	Wed, Oct 21, 2015	1.80	1.83	1.65	1.74
151	NASDAQ	PIRS	Tue, Oct 20, 2015	1.91	1.95	1.80	1.80
150	NASDAQ	PIRS	Mon, Oct 19, 2015	1.98	2.00	1.91	1.91
149	NASDAQ	PIRS	Fri, Oct 16, 2015	1.94	2.00	1.90	2.00
148	NASDAQ	PIRS	Thu, Oct 15, 2015	1.96	2.01	1.92	1.94
147	NASDAQ	PIRS	Wed, Oct 14, 2015	1.90	1.99	1.90	1.91
146	NASDAQ	PIRS	Tue, Oct 13, 2015	1.97	2.02	1.87	1.87
145	NASDAQ	PIRS	Mon, Oct 12, 2015	1.95	2.00	1.93	1.97
144	NASDAQ	PIRS	Fri, Oct 9, 2015	1.87	1.95	1.87	1.95
143	NASDAQ	PIRS	Thu, Oct 8, 2015	1.91	1.97	1.82	1.86
142	NASDAQ	PIRS	Wed, Oct 7, 2015	1.92	1.95	1.81	1.89
141	NASDAQ	PIRS	Tue, Oct 6, 2015	1.98	1.99	1.87	1.90
140	NASDAQ	PIRS	Mon, Oct 5, 2015	1.99	2.04	1.95	1.98
139	NASDAQ	PIRS	Fri, Oct 2, 2015	1.95	2.05	1.95	1.99
138	NASDAQ	PIRS	Thu, Oct 1, 2015	1.85	1.95	1.78	1.92
137	NASDAQ	PIRS	Wed, Sep 30, 2015	1.87	1.92	1.75	1.83
136	NASDAQ	PIRS	Tue, Sep 29, 2015	1.89	1.99	1.74	1.82
135	NASDAQ	PIRS	Mon, Sep 28, 2015	2.35	2.35	1.77	1.86
134	NASDAQ	PIRS	Fri, Sep 25, 2015	2.57	2.57	2.30	2.40
133	NASDAQ	PIRS	Thu, Sep 24, 2015	2.48	2.50	2.38	2.50
132	NASDAQ	PIRS	Wed, Sep 23, 2015	2.55	2.60	2.41	2.49
131	NASDAQ	PIRS	Tue, Sep 22, 2015	2.71	2.74	2.45	2.56
130	NASDAQ	PIRS	Mon, Sep 21, 2015	2.84	2.94	2.53	2.65
129	NASDAQ	PIRS	Fri, Sep 18, 2015	2.53	2.60	2.49	2.60
128	NASDAQ	PIRS	Thu, Sep 17, 2015	2.48	2.64	2.48	2.59
127	NASDAQ	PIRS	Wed, Sep 16, 2015	2.50	2.59	2.38	2.49
126	NASDAQ	PIRS	Tue, Sep 15, 2015	2.55	2.63	2.48	2.50
125	NASDAQ	PIRS	Mon, Sep 14, 2015	2.60	2.66	2.36	2.47
124	NASDAQ	PIRS	Fri, Sep 11, 2015	2.75	2.75	2.61	2.64
123	NASDAQ	PIRS	Thu, Sep 10, 2015	2.68	2.72	2.59	2.70
122	NASDAQ	PIRS	Wed, Sep 9, 2015	2.72	2.77	2.63	2.66
121	NASDAQ	PIRS	Tue, Sep 8, 2015	2.79	2.79	2.71	2.72
120	NASDAQ	PIRS	Fri, Sep 4, 2015	2.67	2.77	2.67	2.75
119	NASDAQ	PIRS	Thu, Sep 3, 2015	2.70	2.75	2.62	2.67
118	NASDAQ	PIRS	Wed, Sep 2, 2015	2.81	2.83	2.65	2.70
117	NASDAQ	PIRS	Tue, Sep 1, 2015	2.87	2.87	2.72	2.80
116	NASDAQ	PIRS	Mon, Aug 31, 2015	2.85	2.88	2.75	2.75
115	NASDAQ	PIRS	Fri, Aug 28, 2015	2.90	2.96	2.80	2.88
114	NASDAQ	PIRS	Thu, Aug 27, 2015	2.73	2.94	2.73	2.84
113	NASDAQ	PIRS	Wed, Aug 26, 2015	2.75	2.75	2.62	2.73
112	NASDAQ	PIRS	Tue, Aug 25, 2015	2.56	2.83	2.56	2.64
111	NASDAQ	PIRS	Mon, Aug 24, 2015	2.50	2.90	2.42	2.53
110	NASDAQ	PIRS	Fri, Aug 21, 2015	3.05	3.05	2.70	2.75
109	NASDAQ	PIRS	Thu, Aug 20, 2015	3.20	3.21	3.02	3.06
108	NASDAQ	PIRS	Wed, Aug 19, 2015	3.26	3.31	3.17	3.21
107	NASDAQ	PIRS	Tue, Aug 18, 2015	3.18	3.48	3.07	3.25
106	NASDAQ	PIRS	Mon, Aug 17, 2015	3.44	3.44	3.23	3.36
105	NASDAQ	PIRS	Fri, Aug 14, 2015	3.25	3.56	3.00	3.49
104	NASDAQ	PIRS	Thu, Aug 13, 2015	3.39	3.48	3.18	3.27
103	NASDAQ	PIRS	Wed, Aug 12, 2015	3.31	3.40	3.13	3.24
102	NASDAQ	PIRS	Tue, Aug 11, 2015	3.20	3.33	3.04	3.11
101	NASDAQ	PIRS	Mon, Aug 10, 2015	3.31	3.60	3.15	3.20
100	NASDAQ	PIRS	Fri, Aug 7, 2015	3.58	3.58	3.25	3.37
99	NASDAQ	PIRS	Thu, Aug 6, 2015	3.36	3.70	3.34	3.59
98	NASDAQ	PIRS	Wed, Aug 5, 2015	3.23	3.58	3.15	3.38
97	NASDAQ	PIRS	Tue, Aug 4, 2015	3.11	3.34	3.10	3.20
96	NASDAQ	PIRS	Mon, Aug 3, 2015	3.13	3.23	2.88	3.17
95	NASDAQ	PIRS	Fri, Jul 31, 2015	3.20	3.23	3.05	3.20
94	NASDAQ	PIRS	Thu, Jul 30, 2015	3.10	3.10	2.96	3.06
93	NASDAQ	PIRS	Wed, Jul 29, 2015	3.23	3.28	3.01	3.07
92	NASDAQ	PIRS	Tue, Jul 28, 2015	3.27	3.30	3.06	3.20
91	NASDAQ	PIRS	Mon, Jul 27, 2015	3.10	3.50	3.08	3.19
90	NASDAQ	PIRS	Fri, Jul 24, 2015	2.79	3.01	2.64	2.95
89	NASDAQ	PIRS	Thu, Jul 23, 2015	2.90	3.09	2.79	2.79
88	NASDAQ	PIRS	Wed, Jul 22, 2015	2.89	2.90	2.70	2.81
87	NASDAQ	PIRS	Tue, Jul 21, 2015	2.72	2.89	2.66	2.70
86	NASDAQ	PIRS	Mon, Jul 20, 2015	2.71	2.75	2.63	2.69
85	NASDAQ	PIRS	Fri, Jul 17, 2015	2.75	2.75	2.68	2.72
84	NASDAQ	PIRS	Thu, Jul 16, 2015	2.64	2.75	2.57	2.65
83	NASDAQ	PIRS	Wed, Jul 15, 2015	2.64	2.75	2.55	2.55
82	NASDAQ	PIRS	Tue, Jul 14, 2015	2.63	2.70	2.55	2.61
81	NASDAQ	PIRS	Mon, Jul 13, 2015	2.66	2.66	2.50	2.58
80	NASDAQ	PIRS	Fri, Jul 10, 2015	2.65	2.65	2.47	2.65
79	NASDAQ	PIRS	Thu, Jul 9, 2015	2.57	2.57	2.48	2.51
78	NASDAQ	PIRS	Wed, Jul 8, 2015	2.65	2.65	2.43	2.50
77	NASDAQ	PIRS	Tue, Jul 7, 2015	2.58	2.65	2.50	2.65
76	NASDAQ	PIRS	Mon, Jul 6, 2015	2.61	2.67	2.40	2.53
75	NASDAQ	PIRS	Thu, Jul 2, 2015	2.74	2.75	2.55	2.75
74	NASDAQ	PIRS	Wed, Jul 1, 2015	2.75	2.85	2.55	2.74
73	NASDAQ	PIRS	Tue, Jun 30, 2015	2.75	2.75	2.60	2.75
72	NASDAQ	PIRS	Mon, Jun 29, 2015	3.25	3.97	3.22	3.26
71	NASDAQ	PIRS	Fri, Jun 26, 2015	3.60	4.40	3.25	3.26
70	NASDAQ	PIRS	Thu, Jun 25, 2015	4.10	4.15	3.95	3.98
69	NASDAQ	PIRS	Wed, Jun 24, 2015	4.24	4.39	4.15	4.15
68	NASDAQ	PIRS	Tue, Jun 23, 2015	4.08	4.31	3.86	4.20
67	NASDAQ	PIRS	Mon, Jun 22, 2015	3.90	4.20	3.72	4.00
66	NASDAQ	PIRS	Fri, Jun 19, 2015	3.40	3.90	3.40	3.85
65	NASDAQ	PIRS	Thu, Jun 18, 2015	3.94	4.00	3.30	3.40
64	NASDAQ	PIRS	Wed, Jun 17, 2015	3.10	3.55	3.10	3.45
63	NASDAQ	PIRS	Tue, Jun 16, 2015	3.18	3.29	3.05	3.12
62	NASDAQ	PIRS	Mon, Jun 15, 2015	3.06	3.18	3.06	3.18
61	NASDAQ	PIRS	Fri, Jun 12, 2015	3.21	3.21	3.21	3.21
60	NASDAQ	PIRS	Thu, Jun 11, 2015	3.10	3.30	3.10	3.21
59	NASDAQ	PIRS	Wed, Jun 10, 2015	3.08	3.09	3.08	3.09
58	NASDAQ	PIRS	Tue, Jun 9, 2015	3.00	3.10	3.00	3.06
57	NASDAQ	PIRS	Mon, Jun 8, 2015	3.01	3.12	3.00	3.09
56	NASDAQ	PIRS	Fri, Jun 5, 2015	2.97	3.05	2.97	3.01
55	NASDAQ	PIRS	Thu, Jun 4, 2015	2.86	2.98	2.86	2.97
54	NASDAQ	PIRS	Mon, Jun 1, 2015	3.05	3.05	2.88	3.00
53	NASDAQ	PIRS	Fri, May 29, 2015	3.15	3.15	3.10	3.10
52	NASDAQ	PIRS	Thu, May 28, 2015	3.00	3.24	2.90	3.00
51	NASDAQ	PIRS	Wed, May 27, 2015	3.15	3.15	2.91	3.00
50	NASDAQ	PIRS	Tue, May 26, 2015	3.25	3.25	3.15	3.15
49	NASDAQ	PIRS	Fri, May 22, 2015	3.25	3.25	3.10	3.10
48	NASDAQ	PIRS	Thu, May 21, 2015	3.25	3.25	3.16	3.25
47	NASDAQ	PIRS	Wed, May 20, 2015	3.13	3.25	3.12	3.20
46	NASDAQ	PIRS	Tue, May 19, 2015	3.25	3.25	3.05	3.10
45	NASDAQ	PIRS	Mon, May 18, 2015	2.98	3.00	2.98	3.00
44	NASDAQ	PIRS	Fri, May 15, 2015	2.98	2.99	2.98	2.99
43	NASDAQ	PIRS	Thu, May 14, 2015	2.92	3.47	2.92	2.92
42	NASDAQ	PIRS	Wed, May 13, 2015	3.00	3.50	3.00	3.01
41	NASDAQ	PIRS	Tue, May 12, 2015	3.00	4.25	2.80	2.80
40	NASDAQ	PIRS	Thu, May 7, 2015	2.57	3.00	2.56	2.65
39	NASDAQ	PIRS	Wed, May 6, 2015	2.70	2.80	2.70	2.80
38	NASDAQ	PIRS	Tue, May 5, 2015	2.75	2.84	2.75	2.75
37	NASDAQ	PIRS	Mon, May 4, 2015	2.80	2.80	2.80	2.80
36	NASDAQ	PIRS	Fri, May 1, 2015	2.80	2.89	2.80	2.89
35	NASDAQ	PIRS	Thu, Apr 30, 2015	3.00	3.00	3.00	3.00
34	NASDAQ	PIRS	Wed, Apr 29, 2015	3.20	3.20	3.20	3.20
33	NASDAQ	PIRS	Tue, Apr 28, 2015	2.80	2.96	2.80	2.96
32	NASDAQ	PIRS	Mon, Apr 27, 2015	2.99	3.00	2.00	2.95
31	NASDAQ	PIRS	Fri, Apr 24, 2015	2.99	2.99	2.99	2.99
30	NASDAQ	PIRS	Wed, Apr 22, 2015	3.26	3.26	2.51	2.99
29	NASDAQ	PIRS	Tue, Apr 21, 2015	3.25	3.40	3.01	3.40
28	NASDAQ	PIRS	Mon, Apr 20, 2015	3.75	3.75	3.50	3.50
27	NASDAQ	PIRS	Fri, Apr 17, 2015	3.75	3.75	3.75	3.75
26	NASDAQ	PIRS	Thu, Apr 16, 2015	3.80	3.80	3.74	3.74
25	NASDAQ	PIRS	Wed, Apr 15, 2015	3.60	3.75	3.60	3.75
24	NASDAQ	PIRS	Tue, Apr 14, 2015	3.73	3.73	3.50	3.50
23	NASDAQ	PIRS	Mon, Apr 13, 2015	3.45	3.65	3.43	3.65
22	NASDAQ	PIRS	Fri, Apr 10, 2015	3.25	3.49	3.20	3.45
21	NASDAQ	PIRS	Thu, Apr 9, 2015	3.20	3.20	3.20	3.20
20	NASDAQ	PIRS	Wed, Apr 1, 2015	3.20	3.20	3.20	3.20
19	NASDAQ	PIRS	Mon, Mar 30, 2015	3.20	3.20	3.20	3.20
18	NASDAQ	PIRS	Mon, Mar 23, 2015	3.20	3.20	3.20	3.20
17	NASDAQ	PIRS	Tue, Mar 17, 2015	3.20	3.20	3.20	3.20
16	NASDAQ	PIRS	Thu, Mar 12, 2015	0.00	0.00	0.00	3.00
15	NASDAQ	PIRS	Wed, Mar 11, 2015	3.00	3.00	3.00	3.00
14	NASDAQ	PIRS	Tue, Mar 10, 2015	3.20	3.20	3.20	3.20
13	NASDAQ	PIRS	Mon, Mar 9, 2015	3.15	3.25	3.15	3.25
12	NASDAQ	PIRS	Thu, Mar 5, 2015	3.16	3.16	3.16	3.16
11	NASDAQ	PIRS	Thu, Feb 26, 2015	3.25	3.25	3.25	3.25
10	NASDAQ	PIRS	Thu, Feb 19, 2015	3.20	3.20	3.20	3.20
9	NASDAQ	PIRS	Wed, Feb 18, 2015	3.00	3.00	3.00	3.00
8	NASDAQ	PIRS	Tue, Feb 17, 2015	2.85	2.85	2.85	2.85
7	NASDAQ	PIRS	Wed, Feb 11, 2015	2.80	2.85	2.80	2.85
6	NASDAQ	PIRS	Thu, Jan 29, 2015	2.80	2.80	2.80	2.80
5	NASDAQ	PIRS	Wed, Jan 21, 2015	2.76	2.76	2.76	2.76
4	NASDAQ	PIRS	Mon, Jan 12, 2015	2.75	2.75	2.75	2.75
3	NASDAQ	PIRS	Fri, Jan 9, 2015	2.75	2.75	2.75	2.75
2	NASDAQ	PIRS	Fri, Jan 2, 2015	2.75	2.75	2.75	2.75
1	NASDAQ	PIRS	Mon, Dec 29, 2014	2.60	2.60	2.60	2.60
#	Exchange	Symbol	Date	Open	High	Low	Close

Pieris Pharmaceuticals Inc NASDAQ:PIRS Historical Prices

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