Protagonist Therapeutics ... (PTGX)
NASDAQ: PTGX
· Real-Time Price · USD
56.13
0.06 (0.11%)
At close: Aug 18, 2025, 3:59 PM
56.21
0.14%
After-hours: Aug 18, 2025, 04:42 PM EDT
PTGX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 18, 2025 | 56.04 | 57.99 | 55.51 | 56.21 | 56.21 | 0.25% | 456,143 |
| Aug 15, 2025 | 55.01 | 56.33 | 54.18 | 56.07 | 56.07 | 1.96% | 471,900 |
| 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% | 999,400 |
| 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% | 866,500 |
| 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 | -5.40% | 901,700 |
| 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% | 460,700 |
| Aug 4, 2025 | 53.38 | 54.17 | 52.18 | 53.83 | 53.83 | 0.00% | 374,018 |
| Aug 1, 2025 | 54.01 | 55.49 | 53.60 | 53.83 | 53.83 | -0.06% | 600,800 |
| 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% | 802,700 |
| Jul 28, 2025 | 55.61 | 57.10 | 55.21 | 56.26 | 56.26 | 2.01% | 681,200 |
| Jul 25, 2025 | 53.85 | 55.25 | 53.06 | 55.15 | 55.15 | 2.62% | 491,000 |
| 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% | 1,310,800 |
| Jul 22, 2025 | 54.79 | 55.26 | 54.28 | 54.99 | 54.99 | -0.42% | 695,000 |