Protagenic Therapeutics, Inc. (PTIX)
NASDAQ: PTIX · Real-Time Price · USD
3.560
+0.120 (3.49%)
At close: Jun 20, 2025, 4:00 PM
3.580
+0.020 (0.56%)
After-hours: Jun 20, 2025, 7:59 PM EDT
Protagenic Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 20, 2025 | 3.58 | 3.66 | 3.41 | 3.56 | 3.56 | 3.49% | 86,608 |
| Jun 18, 2025 | 3.51 | 3.59 | 3.41 | 3.44 | 3.44 | -2.27% | 60,799 |
| Jun 17, 2025 | 3.45 | 3.74 | 3.37 | 3.52 | 3.52 | 3.83% | 305,057 |
| Jun 16, 2025 | 3.38 | 3.44 | 3.31 | 3.39 | 3.39 | 2.11% | 58,097 |
| Jun 13, 2025 | 3.50 | 3.50 | 3.30 | 3.32 | 3.32 | -5.68% | 62,232 |
| Jun 12, 2025 | 3.53 | 3.56 | 3.44 | 3.52 | 3.52 | -0.28% | 73,652 |
| Jun 11, 2025 | 3.56 | 3.58 | 3.45 | 3.53 | 3.53 | -0.28% | 97,357 |
| Jun 10, 2025 | 3.50 | 3.71 | 3.50 | 3.54 | 3.54 | -2.75% | 121,262 |
| Jun 9, 2025 | 3.66 | 3.75 | 3.54 | 3.64 | 3.64 | 0.55% | 155,762 |
| Jun 6, 2025 | 3.54 | 3.67 | 3.52 | 3.62 | 3.62 | 3.87% | 95,248 |
| Jun 5, 2025 | 3.66 | 3.89 | 3.44 | 3.49 | 3.49 | -8.29% | 224,389 |
| Jun 4, 2025 | 3.77 | 3.94 | 3.56 | 3.80 | 3.80 | 3.54% | 321,307 |
| Jun 3, 2025 | 3.75 | 3.93 | 3.60 | 3.67 | 3.67 | -3.42% | 360,588 |
| Jun 2, 2025 | 3.76 | 4.05 | 3.73 | 3.80 | 3.80 | -1.30% | 324,044 |
| May 30, 2025 | 3.95 | 4.47 | 3.81 | 3.85 | 3.85 | 1.05% | 684,145 |
| May 29, 2025 | 3.97 | 4.07 | 3.75 | 3.81 | 3.81 | -4.75% | 260,917 |
| May 28, 2025 | 4.00 | 4.50 | 3.71 | 4.00 | 4.00 | 1.52% | 991,500 |
| May 27, 2025 | 4.54 | 4.65 | 3.82 | 3.94 | 3.94 | -17.23% | 582,245 |
| May 23, 2025 | 5.42 | 5.81 | 4.46 | 4.76 | 4.76 | -11.36% | 670,931 |
| May 22, 2025 | 6.27 | 6.31 | 5.20 | 5.37 | 5.37 | -12.54% | 922,092 |
| May 21, 2025 | 6.94 | 7.11 | 6.03 | 6.14 | 6.14 | -10.76% | 1,280,892 |
| May 20, 2025 | 8.70 | 9.86 | 6.40 | 6.88 | 6.88 | -38.02% | 4,007,940 |
| May 19, 2025 | 8.27 | 14.28 | 6.32 | 11.10 | 11.10 | 266.34% | 96,884,991 |
| May 16, 2025 | 3.15 | 3.30 | 3.00 | 3.03 | 3.03 | -2.88% | 78,551 |
| May 15, 2025 | 3.18 | 3.25 | 2.82 | 3.12 | 3.12 | -4.88% | 201,670 |
| May 14, 2025 | 3.49 | 3.50 | 3.11 | 3.28 | 3.28 | -6.55% | 70,465 |
| May 13, 2025 | 3.10 | 3.68 | 3.06 | 3.51 | 3.51 | 14.71% | 206,121 |
| May 12, 2025 | 3.18 | 3.22 | 2.80 | 3.06 | 3.06 | -1.61% | 83,241 |
| May 9, 2025 | 3.47 | 3.52 | 3.10 | 3.11 | 3.11 | -11.14% | 259,756 |
| May 8, 2025 | 3.21 | 3.87 | 3.08 | 3.50 | 3.50 | 15.13% | 754,968 |
| May 7, 2025 | 2.99 | 3.24 | 2.93 | 3.04 | 3.04 | -7.32% | 212,026 |
| May 6, 2025 | 3.18 | 4.18 | 2.84 | 3.28 | 3.28 | 15.09% | 2,638,851 |
| May 5, 2025 | 3.15 | 3.17 | 2.35 | 2.85 | 2.85 | -9.09% | 474,765 |
| May 2, 2025 | 3.35 | 3.37 | 3.07 | 3.14 | 3.14 | -7.82% | 19,576 |
| May 1, 2025 | 3.14 | 3.50 | 3.14 | 3.40 | 3.40 | 8.45% | 26,554 |
| Apr 30, 2025 | 2.96 | 3.57 | 2.86 | 3.14 | 3.14 | 2.75% | 50,490 |
| Apr 29, 2025 | 3.05 | 3.29 | 3.00 | 3.05 | 3.05 | -0.03% | 45,860 |
| Apr 28, 2025 | 3.18 | 3.18 | 2.94 | 3.05 | 3.05 | 0.03% | 10,457 |
| Apr 25, 2025 | 2.92 | 3.19 | 2.86 | 3.05 | 3.05 | 1.50% | 12,446 |
| Apr 24, 2025 | 3.22 | 3.27 | 2.94 | 3.01 | 3.01 | -5.50% | 24,460 |
| Apr 23, 2025 | 3.09 | 3.48 | 3.08 | 3.18 | 3.18 | 0.79% | 10,522 |
| Apr 22, 2025 | 2.92 | 3.16 | 2.92 | 3.16 | 3.16 | 7.89% | 7,084 |
| Apr 21, 2025 | 3.21 | 3.27 | 2.93 | 2.93 | 2.93 | -12.89% | 19,413 |
| Apr 17, 2025 | 3.52 | 3.60 | 3.16 | 3.36 | 3.36 | -6.64% | 15,472 |
| Apr 16, 2025 | 3.91 | 3.91 | 3.59 | 3.60 | 3.60 | -10.74% | 9,459 |
| Apr 15, 2025 | 4.20 | 4.20 | 3.89 | 4.03 | 4.03 | -6.82% | 14,369 |
| Apr 14, 2025 | 3.75 | 4.34 | 3.72 | 4.33 | 4.33 | 3.00% | 19,670 |
| Apr 11, 2025 | 3.64 | 4.20 | 3.64 | 4.20 | 4.20 | 15.93% | 20,841 |
| Apr 10, 2025 | 3.63 | 3.72 | 3.55 | 3.62 | 3.62 | -3.08% | 11,351 |
| Apr 9, 2025 | 3.22 | 4.16 | 2.91 | 3.74 | 3.74 | -2.66% | 45,720 |