Protagonist Therapeutics, Inc. (PTGX)
NASDAQ: PTGX · Real-Time Price · USD
55.33
-1.11 (-1.97%)
At close: Jul 18, 2025, 4:00 PM
53.00
-2.33 (-4.21%)
After-hours: Jul 18, 2025, 7:26 PM EDT
Protagonist Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jul 18, 2025 | 56.83 | 56.89 | 55.15 | 55.48 | 55.48 | -1.70% | 471,126 |
| Jul 17, 2025 | 56.64 | 57.73 | 56.22 | 56.44 | 56.44 | -0.35% | 703,979 |
| Jul 16, 2025 | 55.70 | 57.36 | 55.59 | 56.64 | 56.64 | 2.39% | 614,019 |
| Jul 15, 2025 | 55.26 | 55.91 | 54.54 | 55.32 | 55.32 | 0.16% | 603,573 |
| Jul 14, 2025 | 53.24 | 55.41 | 53.13 | 55.23 | 55.23 | 4.21% | 796,458 |
| Jul 11, 2025 | 52.28 | 53.77 | 52.02 | 53.00 | 53.00 | 0.33% | 766,143 |
| Jul 10, 2025 | 52.30 | 52.87 | 51.28 | 52.83 | 52.83 | 1.02% | 654,941 |
| Jul 9, 2025 | 50.07 | 52.35 | 49.88 | 52.29 | 52.29 | 5.21% | 665,153 |
| Jul 8, 2025 | 49.80 | 50.42 | 49.38 | 49.70 | 49.70 | -0.34% | 591,645 |
| Jul 7, 2025 | 50.97 | 51.51 | 49.51 | 49.87 | 49.87 | -2.31% | 771,743 |
| Jul 3, 2025 | 50.20 | 51.38 | 49.91 | 51.05 | 51.05 | 0.71% | 339,485 |
| Jul 2, 2025 | 50.23 | 52.02 | 49.86 | 50.69 | 50.69 | 0.96% | 1,219,430 |
| Jul 1, 2025 | 55.57 | 55.68 | 49.92 | 50.21 | 50.21 | -9.16% | 1,509,063 |
| Jun 30, 2025 | 55.69 | 57.24 | 55.26 | 55.27 | 55.27 | -0.75% | 912,326 |
| Jun 27, 2025 | 55.34 | 55.90 | 54.71 | 55.69 | 55.69 | 0.86% | 1,547,511 |
| Jun 26, 2025 | 55.25 | 55.33 | 54.00 | 55.22 | 55.22 | 1.42% | 838,939 |
| Jun 25, 2025 | 53.68 | 54.96 | 53.01 | 54.44 | 54.44 | 1.42% | 900,191 |
| Jun 24, 2025 | 53.45 | 54.54 | 52.16 | 53.68 | 53.68 | 0.60% | 635,215 |
| Jun 23, 2025 | 53.04 | 53.52 | 52.27 | 53.36 | 53.36 | 0.04% | 550,120 |
| Jun 20, 2025 | 54.00 | 54.97 | 52.79 | 53.34 | 53.34 | -1.08% | 2,294,242 |
| Jun 18, 2025 | 55.11 | 55.11 | 53.53 | 53.92 | 53.92 | -2.34% | 918,437 |
| Jun 17, 2025 | 54.66 | 55.36 | 54.15 | 55.21 | 55.21 | 1.01% | 1,270,380 |
| Jun 16, 2025 | 56.41 | 57.03 | 54.30 | 54.66 | 54.66 | -3.03% | 811,738 |
| Jun 13, 2025 | 55.54 | 57.18 | 55.54 | 56.37 | 56.37 | 0.09% | 987,548 |
| Jun 12, 2025 | 55.16 | 56.68 | 54.48 | 56.32 | 56.32 | 1.77% | 800,582 |
| Jun 11, 2025 | 56.47 | 56.83 | 55.26 | 55.34 | 55.34 | -1.83% | 677,210 |
| Jun 10, 2025 | 55.68 | 57.70 | 55.27 | 56.37 | 56.37 | 1.24% | 1,269,564 |
| Jun 9, 2025 | 55.02 | 55.75 | 54.10 | 55.68 | 55.68 | 2.39% | 1,121,220 |
| Jun 6, 2025 | 54.27 | 54.97 | 53.10 | 54.38 | 54.38 | 1.04% | 1,073,756 |
| Jun 5, 2025 | 51.30 | 53.97 | 50.60 | 53.82 | 53.82 | 4.44% | 947,367 |
| Jun 4, 2025 | 50.85 | 51.71 | 50.67 | 51.53 | 51.53 | 0.92% | 693,302 |
| Jun 3, 2025 | 49.91 | 52.08 | 49.65 | 51.06 | 51.06 | 1.81% | 1,467,637 |
| Jun 2, 2025 | 48.00 | 50.23 | 47.53 | 50.15 | 50.15 | 5.65% | 1,275,129 |
| May 30, 2025 | 47.37 | 47.74 | 46.16 | 47.47 | 47.47 | -0.23% | 787,441 |
| May 29, 2025 | 45.89 | 47.65 | 45.43 | 47.58 | 47.58 | 4.00% | 688,541 |
| May 28, 2025 | 46.48 | 46.85 | 45.67 | 45.75 | 45.75 | -1.46% | 664,976 |
| May 27, 2025 | 46.42 | 46.51 | 45.28 | 46.43 | 46.43 | 1.69% | 850,604 |
| May 23, 2025 | 45.69 | 45.99 | 45.14 | 45.66 | 45.66 | -0.54% | 486,198 |
| May 22, 2025 | 45.63 | 46.03 | 45.18 | 45.91 | 45.91 | 0.20% | 901,585 |
| May 21, 2025 | 46.02 | 46.80 | 45.05 | 45.82 | 45.82 | -1.69% | 832,192 |
| May 20, 2025 | 45.60 | 46.63 | 44.72 | 46.61 | 46.61 | 2.28% | 535,195 |
| May 19, 2025 | 44.45 | 45.58 | 44.04 | 45.57 | 45.57 | 2.43% | 551,847 |
| May 16, 2025 | 44.35 | 45.20 | 44.11 | 44.49 | 44.49 | 0.18% | 647,034 |
| May 15, 2025 | 44.12 | 44.76 | 43.47 | 44.41 | 44.41 | 1.46% | 625,803 |
| May 14, 2025 | 44.44 | 45.26 | 43.20 | 43.77 | 43.77 | -1.13% | 840,130 |
| May 13, 2025 | 45.23 | 45.23 | 43.27 | 44.27 | 44.27 | -2.21% | 910,114 |
| May 12, 2025 | 43.77 | 45.83 | 43.75 | 45.27 | 45.27 | 5.35% | 1,000,897 |
| May 9, 2025 | 44.15 | 45.43 | 42.85 | 42.97 | 42.97 | -2.16% | 671,228 |
| May 8, 2025 | 42.60 | 44.37 | 41.60 | 43.92 | 43.92 | 1.93% | 1,100,694 |
| May 7, 2025 | 41.77 | 43.20 | 41.29 | 43.09 | 43.09 | 2.57% | 1,360,360 |