Environmental Tectonics (ETCC) Stock Chart & Stock Price History $1.07 -0.08 (-6.96%) As of 01:45 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 41.85%, with a year-to-date return of -45.41%. In the past month, the stock has increased 5.31%, reflecting recent market activity. As of the latest close, Environmental Tectonics traded at $1.15 with a market cap of $11.02 million and volume of 1,201 shares. Five years ago, the stock traded at $0.39, representing a 174.36% increase over that period. At the time, it had a market cap of $3.68 million and a volume of 9,000 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-6.96%1 Month Performance+5.31%3 Month Performance-23.02%Year-To-Date Performance-45.41%1 Year Performance-41.85%5 Year Performance+174.36% ETCC Stock Chart for Friday, October, 10, 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 Capitalization10/09/2025$1.07$1.15+7.48%$1.15$1.071,201 shs$11.02 million10/08/2025$1.07$1.07$1.14$1.0711,010 shs$10.25 million10/07/2025$1.15$1.07-6.68%$1.14$1.0711,010 shs$10.25 million10/06/2025$1.15$1.15-0.30%$1.19$1.134,288 shs$10.98 million10/03/2025$1.13$1.15+1.77%$1.15$1.151,200 shs$11.02 million10/02/2025$1.13$1.13+0.30%$1.15$1.139,788 shs$10.83 million10/01/2025$1.13$1.13+0.05%$1.13$1.112,845 shs$10.79 million09/30/2025$1.11$1.13+1.44%$1.13$1.13435 shs$10.79 million09/29/2025$1.11$1.11-0.36%$1.11$1.11110 shs$10.63 million09/26/2025$1.12$1.11-0.54%$1.11$1.11221 shs$10.67 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. 09/25/2025$1.07$1.12+4.67%$1.12$1.07201 shs$10.73 million09/24/2025$1.07$1.07$1.16$1.034,716 shs$10.25 million09/23/2025$1.17$1.07-8.55%$1.16$1.034,716 shs$10.25 million09/22/2025$1.16$1.17+0.86%$1.17$1.1317,135 shs$11.21 million09/19/2025$1.09$1.16+6.42%$1.16$1.072,402 shs$11.11 million09/18/2025$1.06$1.09+2.93%$1.12$1.0729,543 shs$10.44 million09/17/2025$1.02$1.06+3.52%$1.06$1.037,200 shs$10.15 million09/16/2025$1.00$1.02+2.71%$1.03$1.023,272 shs$9.80 million09/15/2025$1.01$1.00-1.78%$1.00$1.001,562 shs$9.54 million09/12/2025$1.02$1.01-0.20%$1.01$1.01100 shs$9.71 million09/11/2025$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 million Related Companies Welsbach Technology Metals Acquisition Stock Price Chart Orion Energy Systems Stock Price Chart Sunrise New Energy Stock Price Chart Captivision Stock Price Chart Nuburu Stock Price Chart ESS Tech Stock Price Chart Elong Power Stock Price Chart Electra Battery Materials Stock Price Chart SCI Engineered Materials Stock Price Chart UTime 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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