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

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
November 12, 2025	85.41	84.85	84.85	86.9	84.5	1.34M
November 11, 2025	83.52	85.56	85.56	86	83	952,400
November 10, 2025	80.58	83.23	83.23	84.84	79.56	1.16M
November 07, 2025	80.12	79.54	79.54	80.75	76.7	882,432
November 06, 2025	77.07	79.78	79.78	79.92	77	1.14M
November 05, 2025	76.5	77.88	77.88	78.12	75.55	622,953
November 04, 2025	75.44	76.5	76.5	78.01	75.44	1.03M
November 03, 2025	78.62	75.95	75.95	80.43	75.54	1.04M
October 31, 2025	77.53	78.62	78.62	79.01	76.66	725,894
October 30, 2025	77.21	77.85	77.85	78.74	76.75	839,379
October 29, 2025	78.06	76.69	76.69	79	76.49	921,216
October 28, 2025	75.06	78.51	78.51	78.78	74.8	1.25M
October 27, 2025	75.13	75.25	75.25	76.08	74.03	938,412
October 24, 2025	74.13	74.86	74.86	75.53	73.83	690,656
October 23, 2025	73.37	73.99	73.99	74.91	73.08	696,439
October 22, 2025	74.51	73.5	73.5	74.95	73.29	885,800
October 21, 2025	76.51	75	75	77.22	74.78	929,935
October 20, 2025	77.51	76.72	76.72	77.66	75.51	780,658
October 17, 2025	75.6	77.5	77.5	77.58	75.17	1.24M
October 16, 2025	77.81	75.73	75.73	78	74.62	1.93M
October 15, 2025	75.29	77.68	77.68	78.15	75.29	1.15M
October 14, 2025	78.49	76.94	76.94	78.49	76	1.88M
October 13, 2025	85.28	79.17	79.17	86.76	75.04	5.94M
October 10, 2025	67.39	87	87	93.25	65.75	7.07M
October 09, 2025	65.56	67.04	67.04	67.57	65.56	1.06M
October 08, 2025	65.28	65.3	65.3	65.77	64.5	587,500
October 07, 2025	64.26	65.47	65.47	65.84	62.24	804,435
October 06, 2025	65.02	64.14	64.14	66.87	63.93	886,200
October 03, 2025	64.59	64.83	64.83	65.38	64.56	623,633
October 02, 2025	64.39	64.98	64.98	65.5	63.71	575,500
October 01, 2025	66	64	64	66.53	63.71	1.05M
September 30, 2025	65.14	66.43	66.43	67.04	65.06	1.45M
September 29, 2025	67.42	65.14	65.14	68.17	63.82	2.02M
September 26, 2025	65.4	67.42	67.42	68.26	64.02	1.42M
September 25, 2025	65.42	64.7	64.7	66.38	64.34	806,400
September 24, 2025	65	65.95	65.95	66.7	63.83	857,043
September 23, 2025	64	65.06	65.06	65.08	63.74	568,747
September 22, 2025	62.35	64.51	64.51	64.59	61.95	702,623
September 19, 2025	62.22	62.2	62.2	63.3	61.64	2.46M
September 18, 2025	59.55	62.14	62.14	62.21	58.91	1.36M
September 17, 2025	60.05	59.22	59.22	61.34	59.02	912,783
September 16, 2025	58.16	58.59	58.59	59.14	57.9	633,958
September 15, 2025	58.86	58.38	58.38	59.64	57.91	929,200
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

Protagonist Therapeutics, Inc. (PTGX) NASDAQ