Environmental Tectonics Corporation (ETCC)
OTCMKTS · Delayed Price · Currency is USD
1.016
-0.034 (-3.24%)
Sep 10, 2025, 2:49 PM EDT
Environmental Tectonics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 9, 2025 | 1.05 | 1.05 | 1.05 | 1.05 | 1.05 | 3.14% | 1,000 |
| Sep 8, 2025 | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | -1.64% | 107 |
| Sep 5, 2025 | 1.04 | 1.04 | 1.04 | 1.04 | 1.04 | - | - |
| Sep 4, 2025 | 1.01 | 1.05 | 1.00 | 1.04 | 1.04 | -0.48% | 1,986 |
| Sep 3, 2025 | 1.04 | 1.04 | 1.04 | 1.04 | 1.04 | -2.80% | 107 |
| Sep 2, 2025 | 1.03 | 1.08 | 1.03 | 1.07 | 1.07 | 7.53% | 9,902 |
| Aug 29, 2025 | 1.02 | 1.02 | 1.00 | 1.00 | 1.00 | -4.32% | 1,251 |
| Aug 28, 2025 | 1.08 | 1.08 | 1.03 | 1.04 | 1.04 | -2.80% | 21,921 |
| Aug 27, 2025 | 1.09 | 1.09 | 1.07 | 1.07 | 1.07 | -0.47% | 5,903 |
| Aug 26, 2025 | 1.08 | 1.08 | 1.07 | 1.08 | 1.08 | 1.42% | 2,500 |
| Aug 25, 2025 | 1.09 | 1.09 | 1.06 | 1.06 | 1.06 | -2.75% | 4,101 |
| Aug 22, 2025 | 1.09 | 1.09 | 1.09 | 1.09 | 1.09 | 2.83% | 2,800 |
| Aug 21, 2025 | 1.07 | 1.07 | 1.06 | 1.06 | 1.06 | 1.92% | 4,200 |
| Aug 20, 2025 | 1.01 | 1.05 | 1.01 | 1.04 | 1.04 | 4.00% | 8,455 |
| Aug 19, 2025 | 1.00 | 1.00 | 0.99 | 1.00 | 1.00 | -1.96% | 3,200 |
| Aug 18, 2025 | 1.04 | 1.05 | 1.02 | 1.02 | 1.02 | -1.54% | 5,651 |
| Aug 15, 2025 | 1.01 | 1.04 | 1.01 | 1.04 | 1.04 | -0.38% | 7,150 |
| Aug 14, 2025 | 1.04 | 1.04 | 1.03 | 1.04 | 1.04 | - | 1,100 |
| Aug 13, 2025 | 1.04 | 1.04 | 1.04 | 1.04 | 1.04 | - | - |
| Aug 12, 2025 | 1.10 | 1.10 | 1.00 | 1.04 | 1.04 | 4.00% | 22,585 |
| Aug 11, 2025 | 1.00 | 1.10 | 0.97 | 1.00 | 1.00 | 1.78% | 15,388 |
| Aug 8, 2025 | 1.02 | 1.02 | 0.95 | 0.98 | 0.98 | -8.77% | 26,009 |
| Aug 7, 2025 | 1.02 | 1.10 | 1.02 | 1.08 | 1.08 | 4.56% | 8,101 |
| Aug 6, 2025 | 1.07 | 1.12 | 1.03 | 1.03 | 1.03 | -6.36% | 29,700 |
| Aug 5, 2025 | 1.11 | 1.12 | 1.06 | 1.10 | 1.10 | -4.35% | 29,801 |
| Aug 4, 2025 | 1.13 | 1.17 | 1.13 | 1.15 | 1.15 | -0.17% | 9,700 |
| Aug 1, 2025 | 1.17 | 1.17 | 1.15 | 1.15 | 1.15 | 0.17% | 760 |
| Jul 31, 2025 | 1.15 | 1.15 | 1.15 | 1.15 | 1.15 | -5.74% | 4,000 |
| Jul 30, 2025 | 1.22 | 1.22 | 1.22 | 1.22 | 1.22 | - | - |
| Jul 29, 2025 | 1.15 | 1.22 | 1.15 | 1.22 | 1.22 | 6.27% | 1,600 |
| Jul 28, 2025 | 1.16 | 1.16 | 1.15 | 1.15 | 1.15 | -6.67% | 1,455 |
| Jul 25, 2025 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | - | 21 |
| Jul 24, 2025 | 1.17 | 1.23 | 1.17 | 1.23 | 1.23 | 6.03% | 3,165 |
| Jul 23, 2025 | 1.24 | 1.24 | 1.15 | 1.16 | 1.16 | -6.45% | 1,450 |
| Jul 22, 2025 | 1.24 | 1.24 | 1.13 | 1.24 | 1.24 | -0.40% | 14,500 |
| Jul 21, 2025 | 1.24 | 1.25 | 1.23 | 1.25 | 1.25 | -1.19% | 53,880 |
| Jul 18, 2025 | 1.25 | 1.26 | 1.15 | 1.26 | 1.26 | 1.53% | 22,842 |
| Jul 17, 2025 | 1.30 | 1.30 | 1.16 | 1.24 | 1.24 | -4.98% | 29,940 |
| Jul 16, 2025 | 1.36 | 1.36 | 1.29 | 1.31 | 1.31 | -3.26% | 8,045 |
| Jul 15, 2025 | 1.35 | 1.36 | 1.35 | 1.35 | 1.35 | - | 4,808 |
| Jul 14, 2025 | 1.37 | 1.38 | 1.30 | 1.35 | 1.35 | -1.82% | 4,351 |
| Jul 11, 2025 | 1.37 | 1.38 | 1.37 | 1.38 | 1.38 | -1.08% | 1,159 |
| Jul 10, 2025 | 1.39 | 1.39 | 1.39 | 1.39 | 1.39 | - | - |
| Jul 9, 2025 | 1.38 | 1.39 | 1.38 | 1.39 | 1.39 | 2.21% | 1,810 |
| Jul 8, 2025 | 1.35 | 1.36 | 1.35 | 1.36 | 1.36 | 4.62% | 7,315 |
| Jul 7, 2025 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | - | 101 |
| Jul 3, 2025 | 1.33 | 1.33 | 1.29 | 1.30 | 1.30 | -7.80% | 51,489 |
| Jul 2, 2025 | 1.43 | 1.43 | 1.41 | 1.41 | 1.41 | -1.40% | 2,575 |
| Jul 1, 2025 | 1.39 | 1.44 | 1.39 | 1.43 | 1.43 | 2.14% | 6,072 |
| Jun 30, 2025 | 1.35 | 1.40 | 1.35 | 1.40 | 1.40 | 3.47% | 14,220 |