Protagonist Therapeutics, Inc. - PTGX - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 12, 2025	60.4	58.86	58.86	60.4	58.75	685,843
September 11, 2025	57.81	59.68	59.68	59.71	57.53	939,400
September 10, 2025	58.47	57.74	57.74	58.47	57.13	843,342
September 09, 2025	56.5	58.36	58.36	59.31	54.5	1.48M
September 08, 2025	59.5	56.19	56.19	59.5	54.6	1.64M
September 05, 2025	59.34	60.53	60.53	61.04	58.03	1.93M
September 04, 2025	58.22	59.6	59.6	60.71	57.45	1.47M
September 03, 2025	58.25	58.11	58.11	59.51	57.49	1.02M
September 02, 2025	59.4	58.85	58.85	59.75	58.27	665,841
August 29, 2025	58.5	59.05	59.05	59.28	57.66	792,300
August 28, 2025	61.46	58.14	58.14	61.89	58.07	1M
August 27, 2025	56.71	61.43	61.43	61.5	56.71	1.43M
August 26, 2025	57.28	56.99	56.99	57.5	56.58	516,415
August 25, 2025	57.48	56.88	56.88	58.79	56.56	545,000
August 22, 2025	56.52	57.48	57.48	57.72	56.1	470,130
August 21, 2025	55.54	56.04	56.04	56.47	55.26	500,900
August 20, 2025	56.24	56.23	56.23	57.1	55.27	675,235
August 19, 2025	56	56.25	56.25	56.56	55.26	528,435
August 18, 2025	56.04	56.21	56.21	57.99	55.51	470,840
August 15, 2025	55.01	56.07	56.07	56.33	54.18	471,900
August 14, 2025	56.2	54.99	54.99	56.58	54.96	629,419
August 13, 2025	55.1	56.72	56.72	56.85	54.57	999,400
August 12, 2025	54.07	54.53	54.53	54.74	53.49	542,469
August 11, 2025	51.05	53.75	53.75	53.8	50.58	866,500
August 08, 2025	50.94	51.07	51.07	51.41	50.49	719,206
August 07, 2025	54.12	50.96	50.96	54.81	50.76	901,700
August 06, 2025	53.42	53.87	53.87	54.37	52.11	449,174
August 05, 2025	53.57	53.9	53.9	54.33	52.03	460,700
August 04, 2025	53.38	53.83	53.83	54.17	52.18	374,018
August 01, 2025	54.01	53.83	53.83	55.49	53.6	600,800
July 31, 2025	54.14	53.86	53.86	55.29	53.69	561,154
July 30, 2025	55.73	54.62	54.62	56.31	54.07	388,823
July 29, 2025	56.99	55.01	55.01	57.15	54.53	802,700
July 28, 2025	55.61	56.26	56.26	57.1	55.21	657,242
July 25, 2025	53.85	55.15	55.15	55.25	53.06	491,000
July 24, 2025	54.28	53.74	53.74	54.7	53.56	695,939
July 23, 2025	54.71	54.19	54.19	55.02	51.55	1.31M
July 22, 2025	54.79	54.99	54.99	55.26	54.28	695,000
July 21, 2025	55.12	55.22	55.22	55.64	54.59	451,600
July 18, 2025	56.83	55.48	55.48	56.89	55.15	471,126
July 17, 2025	56.64	56.44	56.44	57.73	56.22	703,979
July 16, 2025	55.7	56.64	56.64	57.36	55.59	614,019
July 15, 2025	55.26	55.32	55.32	55.91	54.54	603,600
July 14, 2025	53.24	55.23	55.23	55.41	53.13	796,500
July 11, 2025	52.28	53	53	53.77	52.02	766,143
July 10, 2025	52.3	52.83	52.83	52.87	51.28	654,941
July 09, 2025	50.07	52.29	52.29	52.35	49.88	665,153
July 08, 2025	49.8	49.7	49.7	50.42	49.38	591,645
July 07, 2025	50.97	49.87	49.87	51.51	49.51	771,743
July 03, 2025	50.2	51.05	51.05	51.38	49.91	339,500
July 02, 2025	50.23	50.69	50.69	52.02	49.86	1.22M
July 01, 2025	55.57	50.21	50.21	55.68	49.92	1.51M
June 30, 2025	55.69	55.27	55.27	57.24	55.26	912,326
June 27, 2025	55.34	55.69	55.69	55.9	54.71	1.55M
June 26, 2025	55.25	55.22	55.22	55.33	54	838,939
June 25, 2025	53.68	54.44	54.44	54.96	53.01	900,200
June 24, 2025	53.45	53.68	53.68	54.54	52.16	635,215
June 23, 2025	53.04	53.36	53.36	53.52	52.27	550,120
June 20, 2025	54	53.34	53.34	54.97	52.79	2.29M
June 18, 2025	55.11	53.92	53.92	55.11	53.53	918,437

Protagonist Therapeutics, Inc. (PTGX) NASDAQ