Environmental Tectonics Corporation (ETCC)
OTCMKTS · Delayed Price · Currency is USD
1.740
+0.040 (2.35%)
At close: Sep 16, 2026
Environmental Tectonics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | 1.70 | 1.70 | 1.67 | 1.70 | 1.70 | 0.59% | 6,221 |
| Sep 14, 2026 | 1.58 | 1.69 | 1.58 | 1.69 | 1.69 | 2.18% | 4,300 |
| Sep 11, 2026 | 1.60 | 1.65 | 1.60 | 1.65 | 1.65 | -1.55% | 1,081 |
| Sep 8, 2026 | 1.65 | 1.68 | 1.64 | 1.68 | 1.68 | 5.00% | 3,572 |
| Sep 4, 2026 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | - | 5,000 |
| Sep 3, 2026 | 1.59 | 1.65 | 1.50 | 1.60 | 1.60 | - | 21,550 |
| Sep 2, 2026 | 1.58 | 1.60 | 1.58 | 1.60 | 1.60 | 3.23% | 5,000 |
| Sep 1, 2026 | 1.51 | 1.55 | 1.49 | 1.55 | 1.55 | -3.73% | 91,770 |
| Aug 28, 2026 | 1.61 | 1.61 | 1.61 | 1.61 | 1.61 | 4.55% | 2,300 |
| Aug 27, 2026 | 1.54 | 1.54 | 1.54 | 1.54 | 1.54 | -7.78% | 137 |
| Aug 26, 2026 | 1.52 | 1.67 | 1.52 | 1.67 | 1.67 | 5.70% | 2,025 |
| Aug 25, 2026 | 1.58 | 1.63 | 1.57 | 1.58 | 1.58 | -4.24% | 3,200 |
| Aug 24, 2026 | 1.63 | 1.65 | 1.60 | 1.65 | 1.65 | - | 2,500 |
| Aug 20, 2026 | 1.61 | 1.65 | 1.58 | 1.65 | 1.65 | - | 12,727 |
| Aug 19, 2026 | 1.63 | 1.65 | 1.62 | 1.65 | 1.65 | -3.51% | 9,120 |
| Aug 18, 2026 | 1.65 | 1.78 | 1.65 | 1.71 | 1.71 | -2.29% | 5,829 |
| Aug 17, 2026 | 1.61 | 1.75 | 1.60 | 1.75 | 1.75 | - | 19,669 |
| Aug 14, 2026 | 1.57 | 1.75 | 1.55 | 1.75 | 1.75 | 8.70% | 19,721 |
| Aug 13, 2026 | 1.48 | 1.61 | 1.48 | 1.61 | 1.61 | 7.33% | 10,350 |
| Aug 12, 2026 | 1.50 | 1.50 | 1.46 | 1.50 | 1.50 | -7.03% | 9,380 |
| Aug 11, 2026 | 1.57 | 1.61 | 1.57 | 1.61 | 1.61 | 2.76% | 5,070 |
| Aug 10, 2026 | 1.60 | 1.60 | 1.50 | 1.57 | 1.57 | -10.49% | 12,100 |
| Aug 7, 2026 | 1.70 | 1.75 | 1.60 | 1.75 | 1.75 | 0.23% | 6,420 |
| Aug 6, 2026 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | -2.23% | 8,402 |
| Aug 5, 2026 | 1.72 | 1.79 | 1.71 | 1.79 | 1.79 | 11.18% | 20,050 |
| Aug 4, 2026 | 1.55 | 1.61 | 1.54 | 1.61 | 1.61 | 0.63% | 6,000 |
| Aug 3, 2026 | 1.64 | 1.74 | 1.52 | 1.60 | 1.60 | -5.88% | 38,950 |
| Jul 31, 2026 | 1.55 | 1.70 | 1.55 | 1.70 | 1.70 | 3.66% | 6,094 |
| Jul 30, 2026 | 1.51 | 1.64 | 1.50 | 1.64 | 1.64 | 14.69% | 7,465 |
| Jul 29, 2026 | 1.73 | 1.73 | 1.43 | 1.43 | 1.43 | -18.29% | 23,240 |
| Jul 28, 2026 | 1.69 | 1.75 | 1.65 | 1.75 | 1.75 | 9.37% | 11,546 |
| Jul 27, 2026 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 6.67% | 1,065 |
| Jul 24, 2026 | 1.60 | 1.60 | 1.50 | 1.50 | 1.50 | -5.06% | 2,800 |
| Jul 23, 2026 | 1.49 | 1.58 | 1.47 | 1.58 | 1.58 | 1.28% | 700 |
| Jul 21, 2026 | 1.56 | 1.56 | 1.56 | 1.56 | 1.56 | 0.06% | 1,835 |
| Jul 20, 2026 | 1.58 | 1.58 | 1.56 | 1.56 | 1.56 | 3.93% | 5,710 |
| Jul 17, 2026 | 1.60 | 1.60 | 1.50 | 1.50 | 1.50 | -14.29% | 8,426 |
| Jul 16, 2026 | 1.61 | 1.75 | 1.51 | 1.75 | 1.75 | -8.38% | 19,871 |
| Jul 15, 2026 | 1.80 | 1.92 | 1.80 | 1.91 | 1.91 | 7.31% | 12,877 |
| Jul 14, 2026 | 1.76 | 1.78 | 1.76 | 1.78 | 1.78 | 4.09% | 11,710 |
| Jul 13, 2026 | 1.71 | 1.71 | 1.71 | 1.71 | 1.71 | - | 1,332 |
| Jul 10, 2026 | 1.56 | 1.71 | 1.56 | 1.71 | 1.71 | 3.64% | 24,818 |
| Jul 9, 2026 | 1.75 | 1.78 | 1.65 | 1.65 | 1.65 | - | 8,166 |
| Jul 8, 2026 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 5.77% | 1,000 |
| Jul 7, 2026 | 1.59 | 1.70 | 1.56 | 1.56 | 1.56 | -2.50% | 6,140 |
| Jul 6, 2026 | 1.61 | 1.63 | 1.59 | 1.60 | 1.60 | -5.88% | 26,291 |
| Jul 2, 2026 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 0.59% | 150 |
| Jul 1, 2026 | 1.63 | 1.69 | 1.61 | 1.69 | 1.69 | 2.42% | 5,700 |
| Jun 30, 2026 | 1.67 | 1.67 | 1.61 | 1.65 | 1.65 | -0.60% | 2,365 |
| Jun 29, 2026 | 1.65 | 1.66 | 1.65 | 1.66 | 1.66 | 2.83% | 4,724 |