Energy Recovery (ERII) Stock Chart & Stock Price History $12.79 -0.66 (-4.91%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$12.78 -0.01 (-0.08%) As of 08/1/2025 06:39 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Energy Recovery Stock Price Performance The Energy Recovery (ERII) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 21.49%, with a year-to-date return of -12.99%. In the past month, the stock has decreased 0.70%, reflecting recent market activity. As of the latest close, Energy Recovery traded at $12.79 with a market cap of $697.06 million and volume of 565,932 shares. Five years ago, the stock traded at $7.59, representing a 68.51% increase over that period. At the time, it had a market cap of $415 million and a volume of 312,131 shares. Receive ERII Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Energy Recovery and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-6.78%1 Month Performance-0.70%3 Month Performance-19.05%Year-To-Date Performance-12.99%1 Year Performance-21.49%5 Year Performance+68.51% ERII Stock Chart for Saturday, August, 2, 2025 ERII Chart by TradingView Energy Recovery 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 Capitalization08/01/2025$13.45$12.79-4.91%$13.30$12.66565,932 shs$697.06 million07/31/2025$13.64$13.45-1.39%$13.75$13.43485,647 shs$733.01 million07/30/2025$13.67$13.64-0.22%$13.97$13.57453,016 shs$743.38 million07/29/2025$13.72$13.67-0.36%$13.79$13.41620,632 shs$745.02 million07/28/2025$13.88$13.72-1.15%$13.97$13.71313,761 shs$747.73 million07/25/2025$13.91$13.88-0.22%$14.04$13.83320,398 shs$756.45 million07/24/2025$13.85$13.91+0.43%$14.03$13.74307,594 shs$758.10 million07/23/2025$13.67$13.85+1.32%$13.96$13.68359,905 shs$754.83 million07/22/2025$13.55$13.67+0.89%$13.86$13.51350,543 shs$745.00 million07/21/2025$13.54$13.55+0.07%$13.78$13.51316,066 shs$738.48 million Get the Latest News and Ratings for ERII and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Energy Recovery and its competitors with MarketBeat's FREE daily newsletter. 07/18/2025$13.65$13.54-0.81%$13.87$13.52481,804 shs$737.93 million07/17/2025$13.45$13.65+1.49%$13.67$13.45421,476 shs$743.93 million07/16/2025$13.00$13.45+3.46%$13.46$12.82441,884 shs$733.01 million07/15/2025$13.12$13.00-0.91%$13.22$12.96318,024 shs$708.50 million07/14/2025$13.16$13.12-0.30%$13.16$12.94262,160 shs$715.04 million07/11/2025$13.38$13.16-1.64%$13.33$13.09327,751 shs$717.22 million07/10/2025$13.27$13.38+0.83%$13.65$13.28304,141 shs$729.21 million07/09/2025$13.06$13.27+1.61%$13.29$13.03306,410 shs$723.20 million07/08/2025$12.88$13.06+1.40%$13.31$12.89666,974 shs$711.77 million07/07/2025$13.20$12.88-2.42%$13.13$12.86299,534 shs$701.96 million07/04/2025$13.20$13.20$13.21$12.92427,132 shs$719.40 million07/03/2025$12.88$13.20+2.48%$13.21$12.92427,132 shs$719.40 million07/02/2025$12.72$12.88+1.26%$13.02$12.75325,206 shs$701.96 million07/01/2025$12.78$12.72-0.47%$12.95$12.54346,860 shs$693.24 million Related Companies AIN Stock Chart SXI Stock Chart KMT Stock Chart TNC Stock Chart TRS Stock Chart GRC Stock Chart PRLB Stock Chart HY Stock Chart GHM Stock Chart CMCO Stock Chart Receive ERII Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Energy Recovery and its competitors with MarketBeat's FREE daily newsletter. 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