Energy Recovery (ERII) Stock Chart & Stock Price History $15.78 +0.21 (+1.32%) As of 09:58 AM Eastern This is a fair market value 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 5 Day Performance+2.70%1 Month Performance-2.44%3 Month Performance+8.65%6 Month Performance-15.92%Year-To-Date Performance+5.99%1 Year Performance+19.48% 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 ERII Stock Chart for Friday, May, 2, 2025 ERII Chart by TradingView Energy Recovery Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/01/2025$15.45$15.58+0.84%$15.70$15.38336,003 shs$853.10 million04/30/2025$15.40$15.45+0.32%$15.54$15.08368,939 shs$845.98 million04/29/2025$15.01$15.40+2.60%$15.55$14.97435,222 shs$843.24 million04/28/2025$15.17$15.01-1.05%$15.45$14.94622,166 shs$821.89 million04/25/2025$15.18$15.17-0.07%$15.27$14.94339,252 shs$833.67 million04/24/2025$14.76$15.18+2.85%$15.25$14.58710,075 shs$834.22 million04/23/2025$14.88$14.76-0.81%$15.40$14.69593,639 shs$811.14 million04/22/2025$14.63$14.88+1.71%$15.01$14.65356,817 shs$817.73 million04/21/2025$14.83$14.63-1.35%$14.85$14.49242,346 shs$803.99 million04/18/2025$14.83$14.83$15.10$14.58388,143 shs$814.98 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. 04/17/2025$14.87$14.83-0.27%$15.10$14.58388,143 shs$814.98 million04/16/2025$15.08$14.87-1.39%$15.23$14.68367,497 shs$817.18 million04/15/2025$14.88$15.08+1.34%$15.34$14.82389,300 shs$828.72 million04/14/2025$14.84$14.88+0.27%$15.07$14.80257,573 shs$817.73 million04/11/2025$14.60$14.84+1.64%$14.90$14.39416,999 shs$815.53 million04/10/2025$15.19$14.60-3.88%$14.97$14.29355,912 shs$802.34 million04/09/2025$14.31$15.19+6.15%$15.34$14.05558,001 shs$834.77 million04/09/2025$14.31$15.19+6.15%$15.34$14.05558,001 shs$834.77 million04/08/2025$14.46$14.31-1.04%$15.33$14.21596,783 shs$786.41 million04/08/2025$14.46$14.31-1.04%$15.33$14.21596,783 shs$786.41 million04/07/2025$14.41$14.46+0.35%$15.05$13.77554,357 shs$794.65 million04/04/2025$14.95$14.41-3.61%$14.64$13.95617,752 shs$791.90 million04/03/2025$15.97$14.95-6.39%$15.30$14.79510,367 shs$821.58 million04/02/2025$15.85$15.97+0.76%$16.00$15.60498,151 shs$877.63 million04/01/2025$15.89$15.85-0.25%$16.05$15.63379,131 shs$871.04 million Related Companies NPO Stock Chart B Stock Chart AIN Stock Chart SXI Stock Chart KMT Stock Chart TNC Stock Chart GRC Stock Chart TRS Stock Chart PRLB Stock Chart HY 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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