Protagonist Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 22, 2025	62.35	64.00	61.95	63.95	-	2.81%	386,842
Sep 19, 2025	62.22	63.30	61.64	62.20	62.20	0.10%	2,461,715
Sep 18, 2025	59.55	62.21	58.91	62.14	62.14	4.93%	1,358,129
Sep 17, 2025	60.05	61.34	59.02	59.22	59.22	1.08%	912,792
Sep 16, 2025	58.16	59.14	57.90	58.59	58.59	0.36%	633,958
Sep 15, 2025	58.86	59.64	57.91	58.38	58.38	-0.82%	929,176
Sep 12, 2025	60.40	60.40	58.75	58.86	58.86	-1.37%	685,843
Sep 11, 2025	57.81	59.71	57.53	59.68	59.68	3.36%	939,398
Sep 10, 2025	58.47	58.47	57.13	57.74	57.74	-1.06%	843,342
Sep 9, 2025	56.50	59.31	54.50	58.36	58.36	3.86%	1,483,258
Sep 8, 2025	59.50	59.50	54.60	56.19	56.19	-7.17%	1,643,272
Sep 5, 2025	59.34	61.04	58.03	60.53	60.53	1.56%	1,926,568
Sep 4, 2025	58.22	60.71	57.45	59.60	59.60	2.56%	1,473,769
Sep 3, 2025	58.25	59.51	57.49	58.11	58.11	-1.26%	987,685
Sep 2, 2025	59.40	59.75	58.27	58.85	58.85	-0.34%	665,841
Aug 29, 2025	58.50	59.28	57.66	59.05	59.05	1.57%	792,275
Aug 28, 2025	61.46	61.89	58.07	58.14	58.14	-5.36%	1,003,779
Aug 27, 2025	56.71	61.50	56.71	61.43	61.43	7.79%	1,426,848
Aug 26, 2025	57.28	57.50	56.58	56.99	56.99	0.19%	516,415
Aug 25, 2025	57.48	58.79	56.56	56.88	56.88	-1.04%	544,991
Aug 22, 2025	56.52	57.72	56.10	57.48	57.48	2.57%	470,130
Aug 21, 2025	55.54	56.47	55.26	56.04	56.04	-0.34%	500,861
Aug 20, 2025	56.24	57.10	55.27	56.23	56.23	-0.04%	675,235
Aug 19, 2025	56.00	56.56	55.26	56.25	56.25	0.07%	528,435
Aug 18, 2025	56.04	57.99	55.51	56.21	56.21	0.25%	470,840
Aug 15, 2025	55.01	56.33	54.18	56.07	56.07	1.96%	471,864
Aug 14, 2025	56.20	56.58	54.96	54.99	54.99	-3.05%	629,419
Aug 13, 2025	55.10	56.85	54.57	56.72	56.72	4.02%	999,386
Aug 12, 2025	54.07	54.74	53.49	54.53	54.53	1.45%	542,469
Aug 11, 2025	51.05	53.80	50.58	53.75	53.75	5.25%	866,488
Aug 8, 2025	50.94	51.41	50.49	51.07	51.07	0.22%	719,206
Aug 7, 2025	54.12	54.81	50.76	50.96	50.96	-5.39%	901,661
Aug 6, 2025	53.42	54.37	52.11	53.87	53.87	-0.06%	449,174
Aug 5, 2025	53.57	54.33	52.03	53.90	53.90	0.13%	460,694
Aug 4, 2025	53.38	54.17	52.18	53.83	53.83	-	374,018
Aug 1, 2025	54.01	55.49	53.60	53.83	53.83	-0.06%	600,772
Jul 31, 2025	54.14	55.29	53.69	53.86	53.86	-1.39%	561,154
Jul 30, 2025	55.73	56.31	54.07	54.62	54.62	-0.71%	388,823
Jul 29, 2025	56.99	57.15	54.53	55.01	55.01	-2.22%	802,688
Jul 28, 2025	55.61	57.10	55.21	56.26	56.26	2.01%	681,184
Jul 25, 2025	53.85	55.25	53.06	55.15	55.15	2.62%	490,995
Jul 24, 2025	54.28	54.70	53.56	53.74	53.74	-0.83%	695,939
Jul 23, 2025	54.71	55.02	51.55	54.19	54.19	-1.45%	1,310,761
Jul 22, 2025	54.79	55.26	54.28	54.99	54.99	-0.42%	694,965
Jul 21, 2025	55.12	55.64	54.59	55.22	55.22	-0.47%	451,594
Jul 18, 2025	56.83	56.89	55.15	55.48	55.48	-1.70%	471,126
Jul 17, 2025	56.64	57.73	56.22	56.44	56.44	-0.35%	703,979
Jul 16, 2025	55.70	57.36	55.59	56.64	56.64	2.39%	614,019
Jul 15, 2025	55.26	55.91	54.54	55.32	55.32	0.16%	603,573
Jul 14, 2025	53.24	55.41	53.13	55.23	55.23	4.21%	796,458