Protagonist Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 12, 2026	148.21	150.98	147.33	150.90	-	1.76%	42,111
Aug 11, 2026	151.88	151.88	147.37	148.29	148.29	-1.14%	306,099
Aug 10, 2026	149.31	151.60	147.40	150.00	150.00	2.83%	545,739
Aug 7, 2026	146.18	147.32	144.44	145.87	145.87	-0.21%	321,055
Aug 6, 2026	145.01	148.00	139.95	146.18	146.18	6.45%	837,503
Aug 5, 2026	137.49	138.08	135.39	137.32	137.32	1.11%	427,530
Aug 4, 2026	133.02	138.05	132.26	135.81	135.81	2.67%	634,671
Aug 3, 2026	135.78	135.98	131.68	132.28	132.28	-3.19%	451,166
Jul 31, 2026	138.36	138.37	131.69	136.64	136.64	-1.44%	548,764
Jul 30, 2026	131.77	138.95	130.63	138.64	138.64	4.24%	556,392
Jul 29, 2026	136.90	137.43	132.72	133.00	133.00	-2.81%	560,653
Jul 28, 2026	136.69	137.00	133.20	136.84	136.84	0.94%	282,383
Jul 27, 2026	136.11	139.92	135.43	135.56	135.56	-0.40%	416,781
Jul 24, 2026	136.11	137.20	133.78	136.11	136.11	0.50%	298,402
Jul 23, 2026	133.79	137.33	132.00	135.43	135.43	-0.01%	605,784
Jul 22, 2026	139.45	139.45	134.42	135.44	135.44	-2.08%	710,439
Jul 21, 2026	133.34	139.72	131.05	138.31	138.31	3.01%	580,567
Jul 20, 2026	141.79	143.29	133.64	134.27	134.27	-4.71%	762,738
Jul 17, 2026	131.37	141.08	131.37	140.91	140.91	6.73%	519,116
Jul 16, 2026	135.21	136.56	131.35	132.02	132.02	-2.54%	602,064
Jul 15, 2026	128.00	139.22	126.97	135.46	135.46	3.19%	836,109
Jul 14, 2026	131.89	131.95	128.68	131.27	131.27	1.06%	564,974
Jul 13, 2026	130.05	131.36	125.32	129.89	129.89	-1.16%	541,071
Jul 10, 2026	137.12	137.12	130.64	131.42	131.42	-4.52%	1,060,849
Jul 9, 2026	139.26	141.10	136.99	137.64	137.64	-1.73%	1,613,332
Jul 8, 2026	139.50	140.95	136.08	140.07	140.07	-0.55%	931,358
Jul 7, 2026	132.59	141.08	130.69	140.85	140.85	7.11%	1,374,383
Jul 6, 2026	131.25	132.79	128.15	131.50	131.50	-0.09%	640,087
Jul 2, 2026	125.89	131.87	125.24	131.62	131.62	5.15%	708,390
Jul 1, 2026	122.96	126.04	122.48	125.17	125.17	2.11%	521,774
Jun 30, 2026	122.04	124.72	119.57	122.58	122.58	0.78%	560,872
Jun 29, 2026	121.34	126.59	118.27	121.63	121.63	-0.21%	741,106
Jun 26, 2026	122.00	123.43	118.31	121.88	121.88	-0.61%	2,593,942
Jun 25, 2026	122.31	126.25	121.48	122.63	122.63	0.39%	1,048,006
Jun 24, 2026	119.38	124.80	118.81	122.15	122.15	2.68%	1,132,431
Jun 23, 2026	114.66	119.85	114.56	118.96	118.96	3.42%	700,455
Jun 22, 2026	113.24	116.57	113.24	115.03	115.03	1.92%	1,193,688
Jun 18, 2026	112.88	114.49	111.17	112.86	112.86	1.27%	1,533,672
Jun 17, 2026	110.84	113.47	110.11	111.44	111.44	0.72%	742,534
Jun 16, 2026	112.83	113.66	108.53	110.64	110.64	-1.62%	504,794
Jun 15, 2026	109.10	112.77	109.10	112.46	112.46	2.44%	536,301
Jun 12, 2026	109.85	111.78	109.60	109.78	109.78	-0.01%	448,850
Jun 11, 2026	106.28	110.82	106.28	109.79	109.79	3.80%	564,250
Jun 10, 2026	105.50	111.45	104.89	105.77	105.77	-0.09%	770,494
Jun 9, 2026	99.76	106.48	98.08	105.87	105.87	8.00%	878,601
Jun 8, 2026	98.95	101.16	96.70	98.03	98.03	0.67%	567,714
Jun 5, 2026	103.14	103.29	96.38	97.38	97.38	-5.26%	887,396
Jun 4, 2026	96.39	103.55	96.14	102.79	102.79	7.74%	658,834
Jun 3, 2026	93.93	95.61	93.00	95.41	95.41	2.34%	579,220
Jun 2, 2026	93.84	97.71	92.75	93.23	93.23	-1.78%	723,588