Protagonist Therapeutics (PTGX) Price: 134.58

Protagonist Therapeutics, Inc. (PTGX)

134.58 +5.83 (+4.53%) USD | NASDAQ | Oct 19, 16:00

134.58 0.00 (0.00%) After-Hours: 20:00

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Historical Price Data

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Date	Open	High	Low	Close	Volume
Oct 16, 2026	136.16	136.56	126.39	128.75	886813.0
Oct 15, 2026	136.72	139.11	136.02	136.55	707740.0
Oct 14, 2026	138.06	141.13	135.62	136.28	679101.0
Oct 13, 2026	146.00	146.00	137.81	138.49	1.032M
Oct 12, 2026	145.83	152.18	143.69	144.88	898518.0
Oct 09, 2026	139.91	146.30	138.95	143.73	763099.0
Oct 08, 2026	139.57	142.18	137.99	139.91	1.000M
Oct 07, 2026	137.34	144.10	137.25	140.92	927270.0
Oct 06, 2026	140.34	141.00	136.09	138.69	635716.0
Oct 05, 2026	139.96	142.51	138.08	140.63	1.274M
Oct 02, 2026	140.99	141.71	138.37	140.06	760304.0
Oct 01, 2026	139.23	143.68	138.37	139.19	886246.0
Sep 30, 2026	141.60	143.74	140.44	140.89	787658.0
Sep 29, 2026	143.45	144.09	138.88	140.97	508014.0
Sep 28, 2026	142.21	143.68	140.24	142.44	925462.0
Sep 25, 2026	141.81	143.45	138.23	141.86	809293.0
Sep 24, 2026	138.76	140.80	134.10	137.34	989225.0
Sep 23, 2026	144.27	145.28	137.88	138.70	513226.0
Sep 22, 2026	144.64	147.71	144.50	145.07	806176.0
Sep 21, 2026	143.22	145.37	141.09	144.98	822199.0
Sep 18, 2026	143.09	144.58	140.44	143.00	1.837M
Sep 17, 2026	144.39	146.50	142.31	143.70	558901.0
Sep 16, 2026	144.19	146.19	140.88	142.84	507312.0
Sep 15, 2026	147.48	147.99	142.00	143.40	637522.0
Sep 14, 2026	150.23	151.24	146.83	147.78	608017.0

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