PTERX Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change
May 19, 2026	18.61	18.61	18.61	18.61	18.61	-0.59%
May 18, 2026	18.72	18.72	18.72	18.72	18.72	0.11%
May 15, 2026	18.70	18.70	18.70	18.70	18.70	-1.58%
May 14, 2026	19.00	19.00	19.00	19.00	19.00	0.48%
May 13, 2026	18.91	18.91	18.91	18.91	18.91	0.53%
May 12, 2026	18.81	18.81	18.81	18.81	18.81	-0.48%
May 11, 2026	18.90	18.90	18.90	18.90	18.90	-
May 8, 2026	18.90	18.90	18.90	18.90	18.90	0.43%
May 7, 2026	18.82	18.82	18.82	18.82	18.82	-0.69%
May 6, 2026	18.95	18.95	18.95	18.95	18.95	1.66%
May 5, 2026	18.64	18.64	18.64	18.64	18.64	0.87%
May 4, 2026	18.48	18.48	18.48	18.48	18.48	-0.32%
May 1, 2026	18.54	18.54	18.54	18.54	18.54	-0.05%
Apr 30, 2026	18.55	18.55	18.55	18.55	18.55	1.15%
Apr 29, 2026	18.34	18.34	18.34	18.34	18.34	-0.16%
Apr 28, 2026	18.37	18.37	18.37	18.37	18.37	-0.70%
Apr 27, 2026	18.50	18.50	18.50	18.50	18.50	-
Apr 24, 2026	18.50	18.50	18.50	18.50	18.50	0.54%
Apr 23, 2026	18.40	18.40	18.40	18.40	18.40	-0.54%
Apr 22, 2026	18.50	18.50	18.50	18.50	18.50	0.54%
Apr 21, 2026	18.40	18.40	18.40	18.40	18.40	-0.92%
Apr 20, 2026	18.57	18.57	18.57	18.57	18.57	-0.16%
Apr 17, 2026	18.60	18.60	18.60	18.60	18.60	1.14%
Apr 16, 2026	18.39	18.39	18.39	18.39	18.39	0.05%
Apr 15, 2026	18.38	18.38	18.38	18.38	18.38	0.38%
Apr 14, 2026	18.31	18.31	18.31	18.31	18.31	0.77%
Apr 13, 2026	18.17	18.17	18.17	18.17	18.17	0.94%
Apr 10, 2026	18.00	18.00	18.00	18.00	18.00	-0.17%
Apr 9, 2026	18.03	18.03	18.03	18.03	18.03	0.22%
Apr 8, 2026	17.99	17.99	17.99	17.99	17.99	2.98%
Apr 7, 2026	17.47	17.47	17.47	17.47	17.47	0.11%
Apr 6, 2026	17.45	17.45	17.45	17.45	17.45	0.40%
Apr 2, 2026	17.38	17.38	17.38	17.38	17.38	-0.11%
Apr 1, 2026	17.40	17.40	17.40	17.40	17.40	0.81%
Mar 31, 2026	17.26	17.26	17.26	17.26	17.26	2.86%
Mar 30, 2026	16.78	16.78	16.78	16.78	16.78	-0.24%
Mar 27, 2026	16.82	16.82	16.82	16.82	16.82	-1.29%
Mar 26, 2026	17.04	17.04	17.04	17.04	17.04	-1.84%
Mar 25, 2026	17.36	17.36	17.36	17.36	17.36	0.75%
Mar 24, 2026	17.23	17.23	17.23	17.23	17.23	-0.23%
Mar 23, 2026	17.27	17.27	17.27	17.27	17.27	1.53%
Mar 20, 2026	17.01	17.01	17.01	17.01	17.01	-1.96%
Mar 19, 2026	17.35	17.35	17.35	17.35	17.35	-0.12%
Mar 18, 2026	17.37	17.37	17.37	17.37	17.37	-1.42%
Mar 17, 2026	17.62	17.62	17.62	17.62	17.62	0.40%
Mar 16, 2026	17.55	17.55	17.55	17.55	17.55	1.33%
Mar 13, 2026	17.32	17.32	17.32	17.32	17.32	-0.52%
Mar 12, 2026	17.41	17.41	17.41	17.41	17.41	-1.86%
Mar 11, 2026	17.74	17.74	17.74	17.74	17.74	-0.22%
Mar 10, 2026	17.78	17.78	17.78	17.78	17.78	0.06%