Environmental Tectonics (ETCC) Stock Chart & Stock Price History $1.01 0.00 (-0.20%) As of 02:43 PM Eastern Add Compare Share Share Chart Stock AnalysisChartEarningsHeadlinesShort InterestBuy This Stock Environmental Tectonics Stock Price Performance The Environmental Tectonics (ETCC) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 43.67%, with a year-to-date return of -48.27%. In the past month, the stock has decreased 2.50%, reflecting recent market activity. As of the latest close, Environmental Tectonics traded at $1.02 with a market cap of $9.73 million and volume of 1,700 shares. Five years ago, the stock traded at $0.25, representing a 305.60% increase over that period. At the time, it had a market cap of $2.36 million and a volume of 1,752 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-2.03%1 Month Performance-2.50%3 Month Performance-23.18%Year-To-Date Performance-48.27%1 Year Performance-43.67%5 Year Performance+305.60% ETCC Stock Chart for Friday, September, 12, 2025 ETCC Chart by TradingView Environmental Tectonics Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization09/11/2025$1.02$1.02$1.02$1.001,700 shs$9.73 million09/10/2025$1.05$1.02-3.24%$1.02$1.02833 shs$9.73 million09/09/2025$1.02$1.05+3.14%$1.05$1.051,000 shs$10.06 million09/08/2025$1.04$1.02-1.64%$1.02$1.02107 shs$9.75 million09/05/2025$1.04$1.04$1.05$1.001,986 shs$9.92 million09/04/2025$1.04$1.04-0.48%$1.05$1.001,986 shs$9.91 million09/03/2025$1.07$1.04-2.80%$1.04$1.04107 shs$9.96 million09/02/2025$1.00$1.07+7.53%$1.08$1.039,902 shs$10.25 million09/01/2025$1.00$1.00$1.02$1.001,251 shs$9.53 million08/29/2025$1.04$1.00-4.32%$1.02$1.001,251 shs$9.53 million Get the Latest News and Ratings for ETCC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Environmental Tectonics and its competitors with MarketBeat's FREE daily newsletter. 08/28/2025$1.07$1.04-2.80%$1.08$1.0321,921 shs$9.96 million08/27/2025$1.08$1.07-0.47%$1.09$1.075,903 shs$10.25 million08/26/2025$1.06$1.08+1.42%$1.08$1.072,500 shs$10.30 million08/25/2025$1.09$1.06-2.75%$1.09$1.064,101 shs$10.16 million08/22/2025$1.06$1.09+2.83%$1.09$1.092,800 shs$10.44 million08/21/2025$1.04$1.06+1.92%$1.07$1.064,200 shs$10.16 million08/20/2025$1.00$1.04+4.00%$1.05$1.018,455 shs$9.96 million08/19/2025$1.02$1.00-1.96%$1.00$0.993,200 shs$9.58 million08/18/2025$1.04$1.02-1.54%$1.05$1.025,651 shs$9.77 million08/15/2025$1.04$1.04-0.38%$1.04$1.017,150 shs$9.93 million08/14/2025$1.04$1.04$1.04$1.031,100 shs$9.96 million08/13/2025$1.04$1.04$1.10$1.0022,585 shs$9.96 million08/12/2025$1.00$1.04+4.00%$1.10$1.0022,585 shs$9.96 million08/11/2025$0.98$1.00+1.78%$1.10$0.9715,388 shs$9.58 million Related Companies Captivision Stock Price Chart Laser Photonics Stock Price Chart Welsbach Technology Metals Acquisition Stock Price Chart Flux Power Stock Price Chart Orion Energy Systems Stock Price Chart Sunrise New Energy Stock Price Chart ESS Tech Stock Price Chart Solidion Technology Stock Price Chart SCI Engineered Materials Stock Price Chart Dragonfly Energy Stock Price Chart Receive ETCC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Environmental Tectonics and its competitors with MarketBeat's FREE daily newsletter. 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