Protagenic Therapeutics, Inc. - Common Stock (PTIX)
4.3700
+0.3200 (7.90%)
NASDAQ · Last Trade: Sep 23rd, 2:05 AM EDT
Historical Prices For Protagenic Therapeutics, Inc. - Common Stock (PTIX)
| Date | Open | High | Low | Close | Volume | Adjusted Close |
|---|---|---|---|---|---|---|
| 9/22/2025 | 4.19 | 4.49 | 4.10 | 4.37 | 142,992 | 4.37 |
| 9/19/2025 | 3.83 | 4.09 | 3.73 | 4.05 | 135,897 | 4.05 |
| 9/18/2025 | 3.58 | 3.94 | 3.58 | 3.83 | 80,480 | 3.83 |
| 9/17/2025 | 3.36 | 3.73 | 3.36 | 3.68 | 80,921 | 3.68 |
| 9/16/2025 | 3.38 | 3.47 | 3.33 | 3.40 | 47,973 | 3.40 |
| 9/15/2025 | 3.35 | 3.38 | 3.22 | 3.34 | 56,562 | 3.34 |
| 9/12/2025 | 3.21 | 3.34 | 3.09 | 3.22 | 35,367 | 3.22 |
| 9/11/2025 | 2.85 | 3.39 | 2.79 | 3.32 | 204,889 | 3.32 |
| 9/10/2025 | 2.84 | 2.90 | 2.83 | 2.86 | 35,892 | 2.86 |
| 9/09/2025 | 2.82 | 2.89 | 2.75 | 2.86 | 107,653 | 2.86 |
| 9/08/2025 | 3.05 | 3.10 | 2.85 | 2.85 | 147,544 | 2.85 |
| 9/05/2025 | 3.10 | 3.21 | 3.10 | 3.15 | 129,552 | 3.15 |
| 9/04/2025 | 3.28 | 3.30 | 3.10 | 3.10 | 67,988 | 3.10 |
| 9/03/2025 | 3.60 | 3.60 | 3.15 | 3.26 | 153,342 | 3.26 |
| 9/02/2025 | 3.67 | 3.67 | 3.51 | 3.59 | 104,938 | 3.59 |
| 8/29/2025 | 3.66 | 3.67 | 3.53 | 3.60 | 154,686 | 3.60 |
| 8/28/2025 | 3.85 | 3.89 | 3.52 | 3.55 | 256,824 | 3.55 |
| 8/27/2025 | 3.90 | 4.08 | 3.84 | 3.90 | 220,088 | 3.90 |
| 8/26/2025 | 4.57 | 4.78 | 3.79 | 3.97 | 670,594 | 3.97 |
| 8/25/2025 | 4.06 | 5.15 | 4.06 | 4.51 | 2,942,794 | 4.51 |
| 8/22/2025 | 3.92 | 4.41 | 3.62 | 4.24 | 2,384,375 | 4.24 |
| 8/21/2025 | 3.64 | 6.20 | 3.55 | 4.26 | 158,780,602 | 4.26 |
| 8/20/2025 | 2.58 | 2.58 | 2.25 | 2.28 | 65,140 | 2.28 |
| 8/19/2025 | 2.78 | 2.78 | 2.50 | 2.56 | 59,179 | 2.56 |
| 8/18/2025 | 2.91 | 3.08 | 2.64 | 2.78 | 49,108 | 2.78 |
| 8/15/2025 | 3.15 | 3.15 | 2.86 | 2.93 | 83,197 | 2.93 |
| 8/14/2025 | 2.78 | 3.24 | 2.66 | 3.07 | 493,921 | 3.07 |
| 8/13/2025 | 2.70 | 2.81 | 2.66 | 2.78 | 95,915 | 2.78 |
| 8/12/2025 | 2.76 | 2.78 | 2.60 | 2.75 | 38,427 | 2.75 |
| 8/11/2025 | 2.75 | 2.86 | 2.75 | 2.80 | 19,816 | 2.80 |
| 8/08/2025 | 2.72 | 2.94 | 2.72 | 2.83 | 41,539 | 2.83 |
| 8/07/2025 | 2.88 | 2.88 | 2.76 | 2.82 | 32,529 | 2.82 |
| 8/06/2025 | 2.96 | 3.00 | 2.70 | 2.88 | 112,984 | 2.88 |
| 8/05/2025 | 2.70 | 3.09 | 2.62 | 3.04 | 194,042 | 3.04 |
| 8/04/2025 | 2.72 | 2.74 | 2.67 | 2.69 | 41,544 | 2.69 |
| 8/01/2025 | 2.84 | 2.90 | 2.67 | 2.72 | 90,081 | 2.72 |
| 7/31/2025 | 3.25 | 3.25 | 2.90 | 2.94 | 90,694 | 2.94 |
| 7/30/2025 | 3.06 | 3.22 | 3.00 | 3.19 | 217,241 | 3.19 |
| 7/29/2025 | 3.23 | 3.23 | 2.98 | 3.07 | 66,762 | 3.07 |
| 7/28/2025 | 3.34 | 3.34 | 3.23 | 3.28 | 33,885 | 3.28 |
| 7/25/2025 | 3.27 | 3.30 | 3.25 | 3.26 | 26,900 | 3.26 |
| 7/24/2025 | 3.34 | 3.34 | 3.18 | 3.24 | 115,873 | 3.24 |
| 7/23/2025 | 3.37 | 3.39 | 3.24 | 3.37 | 151,525 | 3.37 |
| 7/22/2025 | 3.25 | 3.35 | 3.13 | 3.34 | 112,882 | 3.34 |
| 7/21/2025 | 3.43 | 3.50 | 3.13 | 3.18 | 151,238 | 3.18 |
| 7/18/2025 | 3.45 | 3.51 | 3.33 | 3.42 | 121,984 | 3.42 |
| 7/17/2025 | 3.42 | 3.57 | 3.42 | 3.53 | 91,811 | 3.53 |
| 7/16/2025 | 3.44 | 3.52 | 3.40 | 3.45 | 105,969 | 3.45 |
| 7/15/2025 | 3.57 | 3.75 | 3.33 | 3.48 | 170,580 | 3.48 |
| 7/14/2025 | 3.67 | 3.70 | 3.51 | 3.57 | 101,565 | 3.57 |
| 7/11/2025 | 3.74 | 3.79 | 3.44 | 3.69 | 214,228 | 3.69 |
| 7/10/2025 | 3.83 | 4.04 | 3.71 | 3.74 | 432,674 | 3.74 |
| 7/09/2025 | 3.45 | 3.85 | 3.45 | 3.83 | 371,711 | 3.83 |
| 7/08/2025 | 3.34 | 3.46 | 3.33 | 3.43 | 241,526 | 3.43 |
| 7/07/2025 | 3.51 | 3.51 | 3.28 | 3.39 | 74,582 | 3.39 |
| 7/03/2025 | 3.55 | 3.55 | 3.33 | 3.46 | 140,794 | 3.46 |
| 7/02/2025 | 3.61 | 3.62 | 3.43 | 3.48 | 234,919 | 3.48 |
| 7/01/2025 | 3.65 | 3.65 | 3.52 | 3.54 | 133,720 | 3.54 |
| 6/30/2025 | 3.78 | 3.83 | 3.46 | 3.65 | 213,546 | 3.65 |
| 6/27/2025 | 3.80 | 3.83 | 3.60 | 3.70 | 146,188 | 3.70 |
| 6/26/2025 | 3.90 | 4.19 | 3.70 | 3.87 | 544,622 | 3.87 |
| 6/25/2025 | 3.80 | 3.80 | 3.55 | 3.66 | 128,682 | 3.66 |
| 6/24/2025 | 3.68 | 3.78 | 3.58 | 3.66 | 119,498 | 3.66 |
| 6/23/2025 | 3.46 | 3.97 | 3.42 | 3.57 | 237,342 | 3.57 |