Stock listing

OTC:ETCC Environmental Tectonics Corp. Stock

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Share price · OTC:ETCC

$1.72 USD 0.00 (0.0%)

Close on Oct 30, 2026

Past year +48.3% · daily closes, Oct 30, 2025 – Oct 30, 2026, adjusted for splits
Day range
$1.72 – $1.72 USDOct 30, 2026
Volume
100 sharesOct 30, 2026
Market cap
$16.48M USDAt the close on Oct 30, 2026 · price × 9.58M shares outstanding
52-week range
$0.68 – $2.00 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
Traded on an average day
$14,894 USDMedian day 5,200 shares · 9 days with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026
Environmental Tectonics Corp. logo

Daily closes

Last 3 months, Jul 30, 2026 – Oct 30, 2026 · OTC:ETCC · USD, adjusted for splits

DayCloseChange%OpenHighLowVolume
$1.720.000.0%$1.72$1.72$1.72100
$1.72-0.03-1.7%$1.73$1.73$1.72551
$1.75+0.01+0.6%$1.75$1.76$1.7529,400
$1.74+0.13+8.1%$1.70$1.74$1.705,300
$1.61-0.20-11.0%$1.81$1.84$1.5221,700
$1.810.000.0%$1.81$1.81$1.81100
$1.810.000.0%$1.81$1.81$1.810
$1.810.000.0%$1.80$1.84$1.805,200
$1.81-0.03-1.6%$1.84$1.84$1.816,300
$1.84-0.01-0.5%$1.65$1.84$1.5914,300
$1.85-0.08-4.1%$1.85$1.88$1.8510,700
$1.930.000.0%$1.93$1.93$1.930
$1.930.000.0%$1.93$1.93$1.930
$1.93+0.10+5.5%$1.85$1.94$1.8528,800
$1.83+0.01+0.5%$1.83$1.83$1.832,000
$1.82-0.02-1.1%$1.82$1.83$1.8218,100
$1.84+0.01+0.5%$1.84$1.84$1.847,300
$1.830.000.0%$1.83$1.83$1.8319
$1.83+0.05+2.8%$1.79$1.83$1.7816,300
$1.78-0.05-2.7%$1.80$1.80$1.7810,600
$1.830.000.0%$1.83$1.83$1.8314
$1.830.000.0%$1.83$1.83$1.83600
$1.83+0.05+2.8%$1.77$1.84$1.773,100
$1.780.000.0%$1.78$1.78$1.780
$1.78+0.02+1.1%$1.77$1.78$1.773,900
$1.760.000.0%$1.76$1.76$1.760
$1.76-0.01-0.6%$1.75$1.76$1.725,200
$1.77+0.01+0.6%$1.75$1.77$1.75500
$1.76-0.02-1.1%$1.76$1.76$1.76300
$1.78+0.03+1.7%$1.74$1.78$1.6514,000
$1.75+0.20+12.9%$1.75$1.75$1.755,600
$1.55-0.19-10.9%$1.74$1.82$1.5126,500
$1.74+0.04+2.4%$1.74$1.74$1.74200
$1.70+0.01+0.6%$1.70$1.70$1.676,200
$1.69+0.04+2.4%$1.58$1.69$1.584,300
$1.65-0.03-1.8%$1.60$1.65$1.601,100
$1.680.000.0%$1.68$1.68$1.680
$1.680.000.0%$1.68$1.68$1.680
$1.68+0.08+5.0%$1.65$1.68$1.643,600
$1.600.000.0%$1.60$1.60$1.605,000
$1.600.000.0%$1.59$1.65$1.5021,600
$1.60+0.05+3.2%$1.58$1.60$1.585,000
$1.55-0.06-3.7%$1.51$1.55$1.4991,800
$1.610.000.0%$1.61$1.61$1.610
$1.61+0.07+4.5%$1.61$1.61$1.612,300
$1.54-0.13-7.8%$1.54$1.54$1.54100
$1.67+0.09+5.7%$1.52$1.67$1.522,000
$1.58-0.07-4.2%$1.58$1.63$1.573,200
$1.650.000.0%$1.63$1.65$1.602,500
$1.650.000.0%$1.65$1.65$1.650
$1.650.000.0%$1.61$1.65$1.5812,700
$1.65-0.06-3.5%$1.63$1.65$1.629,100
$1.71-0.04-2.3%$1.65$1.78$1.655,800
$1.750.000.0%$1.61$1.75$1.6019,700
$1.75+0.14+8.7%$1.57$1.75$1.5519,700
$1.61+0.11+7.3%$1.48$1.61$1.4810,400
$1.50-0.11-6.8%$1.50$1.50$1.469,400
$1.61+0.04+2.5%$1.57$1.61$1.575,100
$1.57-0.18-10.3%$1.60$1.60$1.5012,100
$1.750.000.0%$1.70$1.75$1.606,400
$1.75-0.04-2.2%$1.75$1.75$1.758,400
$1.79+0.18+11.2%$1.72$1.79$1.7120,100
$1.61+0.01+0.6%$1.55$1.61$1.546,000
$1.60-0.10-5.9%$1.64$1.74$1.5239,000
$1.70+0.06+3.7%$1.55$1.70$1.556,100
$1.64+0.21+14.7%$1.51$1.64$1.507,500
Ticker
OTC:ETCC
Asset type
Stock
Exchange
OTC
Currency
USD

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News releases
9 in the last 12 months · 80 in all · newest Oct 19, 2026 · oldest 2017

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