Environmental Tectonics Corporation (ETCC)
OTCMKTS · Delayed Price · Currency is USD
1.708
-0.102 (-5.64%)
At close: Oct 26, 2026

Environmental Tectonics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 26, 20261.811.851.501.711.71-5.64%24,350
Oct 23, 20261.681.811.681.811.81-400
Oct 21, 20261.801.841.801.811.81-5,199
Oct 20, 20261.841.841.811.811.81-1.63%6,313
Oct 19, 20261.651.841.591.841.84-0.54%14,264
Oct 16, 20261.851.881.851.851.85-4.15%10,711
Oct 13, 20261.851.941.851.931.935.46%28,800
Oct 12, 20261.831.831.831.831.830.55%2,000
Oct 9, 20261.821.831.821.821.82-1.09%18,086
Oct 8, 20261.841.841.841.841.840.55%7,290
Oct 6, 20261.791.831.781.831.832.81%16,340
Oct 5, 20261.801.801.781.781.78-2.73%10,591
Oct 1, 20261.831.831.831.831.83-550
Sep 30, 20261.771.841.771.831.832.99%3,081
Sep 28, 20261.771.781.771.781.780.95%3,865
Sep 24, 20261.751.761.721.761.76-0.62%5,200
Sep 23, 20261.751.771.751.771.770.75%525
Sep 22, 20261.761.761.761.761.76-1.24%300
Sep 21, 20261.741.781.651.781.781.71%14,000
Sep 18, 20261.751.751.751.751.7512.90%5,601
Sep 17, 20261.741.821.511.551.55-10.92%26,480
Sep 16, 20261.741.741.741.741.742.35%150
Sep 15, 20261.701.701.671.701.700.59%6,221
Sep 14, 20261.581.691.581.691.692.18%4,300
Sep 11, 20261.601.651.601.651.65-1.55%1,081
Sep 8, 20261.651.681.641.681.685.00%3,572
Sep 4, 20261.601.601.601.601.60-5,000
Sep 3, 20261.591.651.501.601.60-21,550
Sep 2, 20261.581.601.581.601.603.23%5,000
Sep 1, 20261.511.551.491.551.55-3.73%91,770
Aug 28, 20261.611.611.611.611.614.55%2,300
Aug 27, 20261.541.541.541.541.54-7.78%137
Aug 26, 20261.521.671.521.671.675.70%2,025
Aug 25, 20261.581.631.571.581.58-4.24%3,200
Aug 24, 20261.631.651.601.651.65-2,500
Aug 20, 20261.611.651.581.651.65-12,727
Aug 19, 20261.631.651.621.651.65-3.51%9,120
Aug 18, 20261.651.781.651.711.71-2.29%5,829
Aug 17, 20261.611.751.601.751.75-19,669
Aug 14, 20261.571.751.551.751.758.70%19,721
Aug 13, 20261.481.611.481.611.617.33%10,350
Aug 12, 20261.501.501.461.501.50-7.03%9,380
Aug 11, 20261.571.611.571.611.612.76%5,070
Aug 10, 20261.601.601.501.571.57-10.49%12,100
Aug 7, 20261.701.751.601.751.750.23%6,420
Aug 6, 20261.751.751.751.751.75-2.23%8,402
Aug 5, 20261.721.791.711.791.7911.18%20,050
Aug 4, 20261.551.611.541.611.610.63%6,000
Aug 3, 20261.641.741.521.601.60-5.88%38,950
Jul 31, 20261.551.701.551.701.703.66%6,094