Protagonist Therapeutics, Inc. (PTGX)
NASDAQ: PTGX · Real-Time Price · USD
104.09
+1.99 (1.95%)
Apr 9, 2026, 4:00 PM EDT - Market closed

Protagonist Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 9, 2026101.45105.11101.45104.09104.091.95%699,455
Apr 8, 2026104.28105.88101.62102.09102.09-1.60%819,198
Apr 7, 2026103.43103.96101.31103.75103.750.84%780,162
Apr 6, 2026103.72104.46101.84102.89102.89-0.86%483,856
Apr 2, 2026101.59104.31101.59103.78103.780.11%601,602
Apr 1, 2026105.51107.84102.70103.67103.67-1.64%583,084
Mar 31, 2026101.23105.99101.06105.40105.405.54%944,448
Mar 30, 202699.04102.7698.0899.8799.870.91%884,395
Mar 27, 2026101.27101.9297.8998.9798.97-3.13%785,508
Mar 26, 2026103.25105.69102.01102.17102.17-2.05%1,045,268
Mar 25, 202699.42105.0097.16104.31104.313.90%812,152
Mar 24, 202697.16100.9897.16100.39100.391.88%940,176
Mar 23, 2026100.00102.0698.1598.5498.54-0.33%925,423
Mar 20, 2026101.47101.8097.8398.8798.87-2.76%2,029,217
Mar 19, 202698.45105.6998.35101.68101.684.73%1,919,749
Mar 18, 202697.0499.5090.5897.0997.09-0.14%1,981,543
Mar 17, 202696.7099.3196.4397.2397.230.50%799,232
Mar 16, 202693.2897.0892.6196.7596.754.75%695,757
Mar 13, 202696.9198.3090.9292.3692.36-3.21%896,180
Mar 12, 202695.0196.3993.6795.4295.42-1.10%750,591
Mar 11, 202696.8498.3295.9796.4896.48-0.59%788,741
Mar 10, 202696.0298.2195.4097.0597.050.40%856,024
Mar 9, 202691.1497.5491.1496.6696.664.96%727,214
Mar 6, 202689.9692.9787.8292.0992.090.74%572,368
Mar 5, 202694.5494.5490.3591.4191.41-3.61%677,477
Mar 4, 202691.9495.4391.0394.8394.833.87%782,718
Mar 3, 202692.5693.5190.0291.3091.30-3.12%529,537
Mar 2, 202692.0894.8990.9994.2494.242.35%942,703
Feb 27, 202688.1892.2387.1592.0892.084.17%936,969
Feb 26, 202687.5088.8385.6088.3988.391.48%706,162
Feb 25, 202687.5088.4686.2687.1087.10-0.33%285,861
Feb 24, 202686.7289.5986.0087.3987.390.92%668,518
Feb 23, 202682.3286.8577.0086.5986.594.63%710,805
Feb 20, 202683.2683.6980.7282.7682.76-0.40%577,977
Feb 19, 202681.8883.2280.5983.0983.090.12%384,567
Feb 18, 202681.5983.4081.5982.9982.990.64%408,213
Feb 17, 202681.0783.1380.4082.4682.461.19%364,763
Feb 13, 202681.9984.0680.5981.4981.49-0.54%428,856
Feb 12, 202684.0784.7281.5681.9381.93-1.87%352,498
Feb 11, 202683.4684.8280.9983.4983.49-0.46%350,174
Feb 10, 202683.0084.9082.6583.8883.880.67%442,583
Feb 9, 202683.4783.9082.2183.3283.32-1.38%322,026
Feb 6, 202682.1185.0581.5584.4984.494.74%812,801
Feb 5, 202683.6285.4380.2080.6780.67-3.16%457,128
Feb 4, 202685.5985.6081.0083.3083.30-2.68%1,077,554
Feb 3, 202683.0986.1082.8885.5985.593.06%769,388
Feb 2, 202681.8084.5581.1483.0583.051.53%1,414,710
Jan 30, 202679.7782.5678.7581.8081.802.60%1,174,012
Jan 29, 202681.3982.4977.7079.7379.73-2.48%952,738
Jan 28, 202682.4583.6980.0081.7681.76-1.59%777,238