Protagenic Therapeutics I... (PTIX)
NASDAQ: PTIX
· Real-Time Price · USD
2.55
-0.23 (-8.27%)
At close: Aug 19, 2025, 3:59 PM
2.56
0.39%
After-hours: Aug 19, 2025, 07:59 PM EDT
PTIX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 19, 2025 | 2.78 | 2.78 | 2.50 | 2.56 | 2.56 | -7.91% | 55,330 |
| 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 |
| Aug 12, 2025 | 2.76 | 2.78 | 2.60 | 2.75 | 2.75 | -1.79% | 38,886 |
| Aug 11, 2025 | 2.75 | 2.86 | 2.75 | 2.80 | 2.80 | -1.06% | 19,841 |
| Aug 8, 2025 | 2.72 | 2.94 | 2.72 | 2.83 | 2.83 | 0.35% | 41,539 |
| Aug 7, 2025 | 2.88 | 2.88 | 2.76 | 2.82 | 2.82 | -2.08% | 32,679 |
| Aug 6, 2025 | 2.96 | 3.00 | 2.70 | 2.88 | 2.88 | -5.26% | 113,528 |
| Aug 5, 2025 | 2.70 | 3.09 | 2.62 | 3.04 | 3.04 | 13.01% | 194,717 |
| Aug 4, 2025 | 2.72 | 2.74 | 2.67 | 2.69 | 2.69 | -1.10% | 43,200 |
| Aug 1, 2025 | 2.84 | 2.90 | 2.67 | 2.72 | 2.72 | -7.48% | 90,100 |
| Jul 31, 2025 | 3.25 | 3.25 | 2.90 | 2.94 | 2.94 | -7.84% | 92,231 |
| Jul 30, 2025 | 3.06 | 3.22 | 3.00 | 3.19 | 3.19 | 3.91% | 217,929 |
| Jul 29, 2025 | 3.23 | 3.23 | 2.98 | 3.07 | 3.07 | -6.40% | 66,802 |
| Jul 28, 2025 | 3.34 | 3.34 | 3.23 | 3.28 | 3.28 | 0.61% | 34,195 |
| Jul 25, 2025 | 3.27 | 3.30 | 3.25 | 3.26 | 3.26 | 0.62% | 26,900 |
| Jul 24, 2025 | 3.34 | 3.34 | 3.18 | 3.24 | 3.24 | -3.86% | 116,238 |
| Jul 23, 2025 | 3.37 | 3.39 | 3.24 | 3.37 | 3.37 | 0.90% | 151,677 |