Protagenic Therapeutics I... (PTIX)
NASDAQ: PTIX
· Real-Time Price · USD
3.13
0.27 (9.44%)
At close: Sep 11, 2025, 10:37 AM
PTIX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 10, 2025 | 2.84 | 2.90 | 2.83 | 2.86 | 2.86 | 0.00% | 35,480 |
| Sep 9, 2025 | 2.82 | 2.89 | 2.75 | 2.86 | 2.86 | 0.35% | 107,700 |
| Sep 8, 2025 | 3.05 | 3.10 | 2.85 | 2.85 | 2.85 | -9.52% | 147,748 |
| Sep 5, 2025 | 3.10 | 3.21 | 3.10 | 3.15 | 3.15 | 1.61% | 129,600 |
| Sep 4, 2025 | 3.28 | 3.30 | 3.10 | 3.10 | 3.10 | -4.91% | 68,500 |
| Sep 3, 2025 | 3.60 | 3.60 | 3.15 | 3.26 | 3.26 | -9.19% | 153,343 |
| Sep 2, 2025 | 3.67 | 3.67 | 3.51 | 3.59 | 3.59 | -0.28% | 107,424 |
| Aug 29, 2025 | 3.66 | 3.67 | 3.53 | 3.60 | 3.60 | 1.41% | 154,686 |
| Aug 28, 2025 | 3.85 | 3.89 | 3.52 | 3.55 | 3.55 | -8.97% | 258,200 |
| Aug 27, 2025 | 3.90 | 4.08 | 3.84 | 3.90 | 3.90 | -1.76% | 227,301 |
| Aug 26, 2025 | 4.57 | 4.78 | 3.79 | 3.97 | 3.97 | -11.97% | 675,800 |
| Aug 25, 2025 | 4.06 | 5.15 | 4.06 | 4.51 | 4.51 | 6.37% | 2,945,144 |
| Aug 22, 2025 | 3.92 | 4.41 | 3.62 | 4.24 | 4.24 | -0.47% | 2,384,400 |
| Aug 21, 2025 | 3.64 | 6.20 | 3.55 | 4.26 | 4.26 | 86.84% | 158,867,910 |
| Aug 20, 2025 | 2.58 | 2.58 | 2.25 | 2.28 | 2.28 | -10.94% | 66,200 |
| Aug 19, 2025 | 2.78 | 2.78 | 2.50 | 2.56 | 2.56 | -7.91% | 59,534 |
| Aug 18, 2025 | 2.91 | 3.08 | 2.64 | 2.78 | 2.78 | -5.12% | 50,113 |
| Aug 15, 2025 | 3.15 | 3.15 | 2.86 | 2.93 | 2.93 | -4.56% | 83,200 |
| Aug 14, 2025 | 2.78 | 3.24 | 2.66 | 3.07 | 3.07 | 10.43% | 494,700 |
| Aug 13, 2025 | 2.70 | 2.81 | 2.66 | 2.78 | 2.78 | 1.09% | 96,500 |