Protagonist Therapeutics, Inc. (PTGX)
NASDAQ: PTGX · Real-Time Price · USD
55.69
+0.47 (0.85%)
At close: Jun 27, 2025, 4:00 PM
55.75
+0.06 (0.11%)
After-hours: Jun 27, 2025, 7:30 PM EDT

Protagonist Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 27, 202555.3455.9054.7155.6955.690.86%1,547,511
Jun 26, 202555.2555.3354.0055.2255.221.42%838,939
Jun 25, 202553.6854.9653.0154.4454.441.42%900,191
Jun 24, 202553.4554.5452.1653.6853.680.60%635,215
Jun 23, 202553.0453.5252.2753.3653.360.04%550,120
Jun 20, 202554.0054.9752.7953.3453.34-1.08%2,294,242
Jun 18, 202555.1155.1153.5353.9253.92-2.34%918,437
Jun 17, 202554.6655.3654.1555.2155.211.01%1,270,380
Jun 16, 202556.4157.0354.3054.6654.66-3.03%811,738
Jun 13, 202555.5457.1855.5456.3756.370.09%987,548
Jun 12, 202555.1656.6854.4856.3256.321.77%800,582
Jun 11, 202556.4756.8355.2655.3455.34-1.83%677,210
Jun 10, 202555.6857.7055.2756.3756.371.24%1,269,564
Jun 9, 202555.0255.7554.1055.6855.682.39%1,121,220
Jun 6, 202554.2754.9753.1054.3854.381.04%1,073,756
Jun 5, 202551.3053.9750.6053.8253.824.44%947,367
Jun 4, 202550.8551.7150.6751.5351.530.92%693,302
Jun 3, 202549.9152.0849.6551.0651.061.81%1,467,637
Jun 2, 202548.0050.2347.5350.1550.155.65%1,275,129
May 30, 202547.3747.7446.1647.4747.47-0.23%787,441
May 29, 202545.8947.6545.4347.5847.584.00%688,541
May 28, 202546.4846.8545.6745.7545.75-1.46%664,976
May 27, 202546.4246.5145.2846.4346.431.69%850,604
May 23, 202545.6945.9945.1445.6645.66-0.54%486,198
May 22, 202545.6346.0345.1845.9145.910.20%901,585
May 21, 202546.0246.8045.0545.8245.82-1.69%832,192
May 20, 202545.6046.6344.7246.6146.612.28%535,195
May 19, 202544.4545.5844.0445.5745.572.43%551,847
May 16, 202544.3545.2044.1144.4944.490.18%647,034
May 15, 202544.1244.7643.4744.4144.411.46%625,803
May 14, 202544.4445.2643.2043.7743.77-1.13%840,130
May 13, 202545.2345.2343.2744.2744.27-2.21%910,114
May 12, 202543.7745.8343.7545.2745.275.35%1,000,897
May 9, 202544.1545.4342.8542.9742.97-2.16%671,228
May 8, 202542.6044.3741.6043.9243.921.93%1,100,694
May 7, 202541.7743.2041.2943.0943.092.57%1,360,360
May 6, 202543.8644.2341.7442.0142.01-5.13%807,789
May 5, 202545.3945.5344.2044.2844.28-2.70%876,702
May 2, 202545.0546.1244.8245.5145.511.16%644,081
May 1, 202545.2345.6343.4944.9944.99-1.81%739,458
Apr 30, 202545.2546.0244.2245.8245.820.44%860,806
Apr 29, 202544.1646.0043.6945.6245.622.77%1,254,834
Apr 28, 202544.4945.5044.0844.3944.39-0.22%592,375
Apr 25, 202544.3644.8443.6244.4944.49-0.80%634,255
Apr 24, 202545.9646.0644.2744.8544.85-2.84%859,924
Apr 23, 202547.1347.3545.7346.1646.160.68%1,416,211
Apr 22, 202546.0046.4145.4245.8545.850.11%775,163
Apr 21, 202546.0546.9745.0745.8045.80-1.04%1,189,681
Apr 17, 202545.8346.8745.8046.2846.281.05%517,389
Apr 16, 202546.7547.1445.0045.8045.80-2.45%1,329,850