Energy Recovery (ERII) Stock Chart & Stock Price History $14.73 +0.54 (+3.81%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$14.73 0.00 (0.00%) As of 08/22/2025 07:51 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 19.20%, with a year-to-date return of 0.20%. In the past month, the stock has increased 6.35%, reflecting recent market activity. As of the latest close, Energy Recovery traded at $14.73 with a market cap of $783.61 million and volume of 328,924 shares. Five years ago, the stock traded at $8.15, representing a 80.74% increase over that period. At the time, it had a market cap of $456.59 million and a volume of 242,436 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+3.37%1 Month Performance+6.35%3 Month Performance+17.28%Year-To-Date Performance+0.20%1 Year Performance-19.20%5 Year Performance+80.74% ERII Stock Chart for Saturday, August, 23, 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 Capitalization08/22/2025$14.19$14.73+3.81%$14.82$14.19328,924 shs$783.61 million08/21/2025$14.34$14.19-1.05%$14.73$14.00315,338 shs$754.91 million08/20/2025$14.42$14.34-0.55%$14.44$14.20410,673 shs$762.89 million08/19/2025$14.25$14.42+1.19%$14.55$14.28337,826 shs$767.12 million08/18/2025$14.18$14.25+0.49%$14.30$14.11452,183 shs$758.10 million08/15/2025$14.49$14.18-2.14%$14.54$14.03377,326 shs$754.38 million08/14/2025$14.62$14.49-0.89%$14.72$14.33480,499 shs$770.87 million08/13/2025$14.30$14.62+2.24%$14.69$14.29481,103 shs$777.76 million08/12/2025$13.89$14.30+2.95%$14.44$13.95581,579 shs$760.76 million08/11/2025$14.19$13.89-2.11%$14.40$13.84559,214 shs$738.95 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. 08/08/2025$14.65$14.19-3.14%$14.71$14.06450,256 shs$773.36 million08/07/2025$13.62$14.65+7.56%$15.24$14.51870,971 shs$798.43 million08/06/2025$13.63$13.62-0.07%$13.81$13.56354,765 shs$742.28 million08/05/2025$13.33$13.63+2.25%$13.76$13.37294,977 shs$742.84 million08/04/2025$12.79$13.33+4.22%$13.34$12.84338,273 shs$726.49 million08/01/2025$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 million Related Companies SXI Stock Chart AIN Stock Chart KMT Stock Chart TNC Stock Chart TRS Stock Chart PRLB Stock Chart GRC 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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