Protagonist Therapeutics ... (PTGX)
NASDAQ: PTGX
· Real-Time Price · USD
66.80
2.10 (3.25%)
At close: Sep 26, 2025, 1:12 PM
PTGX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 25, 2025 | 65.42 | 66.38 | 64.34 | 64.70 | 64.70 | -1.90% | 806,284 |
| Sep 24, 2025 | 65.00 | 66.70 | 63.83 | 65.95 | 65.95 | 1.37% | 857,043 |
| Sep 23, 2025 | 64.00 | 65.08 | 63.74 | 65.06 | 65.06 | 0.85% | 568,747 |
| Sep 22, 2025 | 62.35 | 64.59 | 61.95 | 64.51 | 64.51 | 3.71% | 702,623 |
| Sep 19, 2025 | 62.22 | 63.30 | 61.64 | 62.20 | 62.20 | 0.10% | 2,461,715 |
| Sep 18, 2025 | 59.55 | 62.21 | 58.91 | 62.14 | 62.14 | 4.93% | 1,358,129 |
| Sep 17, 2025 | 60.05 | 61.34 | 59.02 | 59.22 | 59.22 | 1.08% | 912,800 |
| Sep 16, 2025 | 58.16 | 59.14 | 57.90 | 58.59 | 58.59 | 0.36% | 633,958 |
| Sep 15, 2025 | 58.86 | 59.64 | 57.91 | 58.38 | 58.38 | -0.82% | 929,200 |
| Sep 12, 2025 | 60.40 | 60.40 | 58.75 | 58.86 | 58.86 | -1.37% | 685,843 |
| Sep 11, 2025 | 57.81 | 59.71 | 57.53 | 59.68 | 59.68 | 3.36% | 939,400 |
| Sep 10, 2025 | 58.47 | 58.47 | 57.13 | 57.74 | 57.74 | -1.06% | 843,342 |
| Sep 9, 2025 | 56.50 | 59.31 | 54.50 | 58.36 | 58.36 | 3.86% | 1,483,300 |
| Sep 8, 2025 | 59.50 | 59.50 | 54.60 | 56.19 | 56.19 | -7.17% | 1,643,300 |
| Sep 5, 2025 | 59.34 | 61.04 | 58.03 | 60.53 | 60.53 | 1.56% | 1,926,600 |
| Sep 4, 2025 | 58.22 | 60.71 | 57.45 | 59.60 | 59.60 | 2.56% | 1,473,800 |
| Sep 3, 2025 | 58.25 | 59.51 | 57.49 | 58.11 | 58.11 | -1.26% | 1,018,810 |
| Sep 2, 2025 | 59.40 | 59.75 | 58.27 | 58.85 | 58.85 | -0.34% | 665,841 |
| Aug 29, 2025 | 58.50 | 59.28 | 57.66 | 59.05 | 59.05 | 1.57% | 792,300 |
| Aug 28, 2025 | 61.46 | 61.89 | 58.07 | 58.14 | 58.14 | -5.36% | 1,003,800 |