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Environmental Tectonics Corporation (ETCC)
OTCMKTS · Delayed Price · Currency is USD
1.230
+0.130 (11.82%)
Apr 29, 2026, 9:36 AM EST

Environmental Tectonics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 20260.721.250.721.071.0751.34%329,294
Apr 27, 20260.700.710.700.710.711.14%60,750
Apr 24, 20260.710.710.700.700.70-1.27%2,300
Apr 21, 20260.710.710.710.710.71-1.24%195
Apr 20, 20260.710.720.680.720.725.03%2,450
Apr 17, 20260.710.710.680.680.68-2.21%9,194
Apr 16, 20260.710.710.680.700.70-2.70%37,256
Apr 15, 20260.720.720.710.720.72-0.08%1,965
Apr 14, 20260.720.720.720.720.72-1,928
Apr 13, 20260.720.730.720.720.720.11%32,240
Apr 10, 20260.810.810.720.720.72-1.88%1,451
Apr 9, 20260.730.730.730.730.731.92%1,000
Apr 8, 20260.730.730.720.720.72-4.54%34,849
Apr 7, 20260.750.750.750.750.754.49%100
Apr 6, 20260.760.760.720.720.72-4.97%6,600
Apr 1, 20260.760.760.760.760.76-0.17%500
Mar 31, 20260.740.760.740.760.761.17%79,200
Mar 26, 20260.750.750.750.750.75-100
Mar 25, 20260.750.750.750.750.75-1.16%657
Mar 24, 20260.750.760.750.760.76-55,100
Mar 19, 20260.760.760.730.760.763.40%23,300
Mar 18, 20260.780.790.740.740.74-8.13%28,189
Mar 17, 20260.800.800.800.800.800.34%111
Mar 16, 20260.810.820.740.800.80-1.96%38,900
Mar 13, 20260.820.830.800.810.81-3.42%28,800
Mar 11, 20260.830.860.830.840.841.45%21,922
Mar 10, 20260.830.830.820.830.83-3.34%6,550
Mar 9, 20260.860.860.850.860.860.43%12,801
Mar 6, 20260.850.890.850.860.86-2.61%18,776
Mar 5, 20260.900.900.850.880.880.91%4,700
Mar 4, 20260.870.870.870.870.87-0.84%21,002
Mar 3, 20260.880.880.880.880.88-0.58%2,911
Mar 2, 20260.910.910.870.880.88-1.94%7,295
Feb 27, 20260.900.900.900.900.901.18%1,650
Feb 26, 20260.890.890.890.890.89-2.25%100
Feb 25, 20260.880.910.880.910.910.60%15,200
Feb 24, 20260.900.900.900.900.900.01%1,000
Feb 20, 20260.900.900.900.900.90-0.60%1,125
Feb 19, 20260.910.910.900.910.911.77%1,825
Feb 18, 20260.910.910.890.890.89-1.75%39,500
Feb 17, 20260.900.920.900.910.911.12%50,090
Feb 13, 20260.910.910.900.900.90-1.11%300
Feb 12, 20260.910.910.900.910.91-0.64%17,700
Feb 11, 20260.920.920.920.920.92-0.43%304
Feb 10, 20260.900.920.900.920.920.55%30,529
Feb 9, 20260.910.920.910.920.920.04%3,750
Feb 6, 20260.910.920.900.910.91-2.70%39,745
Feb 5, 20260.940.940.930.940.94-0.63%20,800
Feb 4, 20260.960.960.930.950.95-0.98%22,523
Feb 3, 20260.970.970.960.960.96-1.51%1,944
Feb 2, 20260.970.970.960.970.97-19,723
Jan 30, 20260.960.980.950.970.971.04%67,425
Jan 29, 20261.001.030.940.960.96-4.00%49,581
Jan 28, 20261.001.000.951.001.003.09%21,104
Jan 27, 20261.001.000.960.970.97-2.72%8,949
Jan 26, 20260.951.060.951.001.00-0.29%33,673
Jan 23, 20260.981.000.971.001.00-4.76%9,282
Jan 22, 20261.071.070.981.051.05-2.60%8,756
Jan 21, 20261.151.151.041.081.08-6.26%7,524
Jan 20, 20261.181.181.141.151.15-3.36%16,905
Jan 16, 20261.141.191.141.191.190.85%13,587
Jan 15, 20261.151.181.141.181.18-0.84%46,520
Jan 14, 20261.151.191.141.191.19-2,600
Jan 13, 20261.231.241.031.191.19-6.59%94,452
Jan 9, 20261.281.281.271.271.270.31%650
Jan 8, 20261.361.361.181.271.27-5.22%18,943
Jan 7, 20261.341.341.341.341.345.51%847
Jan 6, 20261.271.321.251.271.27-2.31%5,772
Jan 5, 20261.321.321.301.301.30-4.41%6,600
Jan 2, 20261.271.361.271.361.36-0.73%2,995
Dec 31, 20251.301.371.251.371.370.74%21,611
Dec 30, 20251.391.391.241.361.36-2.16%26,863
Dec 29, 20251.391.391.341.391.390.72%720
Dec 26, 20251.381.381.371.381.38-7,820
Dec 24, 20251.331.381.331.381.382.99%1,100
Dec 23, 20251.361.381.301.341.34-3.04%5,140
Dec 22, 20251.371.381.371.381.38-0.58%1,025
Dec 19, 20251.361.391.351.391.39-2,510
Dec 18, 20251.341.391.341.391.39-1.42%2,050
Dec 17, 20251.411.411.411.411.412.03%188
Dec 16, 20251.381.381.381.381.38-2.68%2,000
Dec 15, 20251.421.421.421.421.422.16%700
Dec 12, 20251.391.391.391.391.390.22%2,500
Dec 11, 20251.391.391.391.391.39-0.93%210
Dec 10, 20251.421.421.401.401.40-1.41%1,559
Dec 9, 20251.421.421.421.421.423.50%100
Dec 8, 20251.401.421.321.371.37-0.58%1,532
Dec 5, 20251.381.451.381.381.381.47%7,775
Dec 4, 20251.371.371.321.361.36-0.73%500
Dec 3, 20251.301.381.301.371.376.86%7,920
Dec 2, 20251.211.281.211.281.28-1.38%286
Dec 1, 20251.341.341.101.301.30-2.55%13,877
Nov 26, 20251.331.331.331.331.33-0.07%100
Nov 25, 20251.341.341.301.341.33-0.37%5,250
Nov 24, 20251.361.381.311.341.34-4.29%2,550
Nov 21, 20251.321.401.301.401.40-2.10%13,500
Nov 20, 20251.361.471.311.431.434.38%19,537
Nov 19, 20251.391.391.371.371.37-5.52%2,349
Nov 17, 20251.451.451.451.451.45-1.36%1,212
Nov 13, 20251.341.471.321.471.479.70%13,515