Skip to main content
logo
Energy Recovery, Inc. (ERII)
NASDAQ: ERII · Real-Time Price · USD
14.58
+0.16 (1.11%)
At close: Sep 8, 2025, 4:00 PM
14.71
+0.13 (0.89%)
After-hours: Sep 8, 2025, 7:59 PM EDT

Energy Recovery Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 8, 202514.4514.6614.3114.5814.581.11%437,530
Sep 5, 202514.3514.5714.2614.4214.420.77%325,647
Sep 4, 202514.1414.3713.9214.3114.311.49%487,543
Sep 3, 202514.3014.4714.0914.1014.10-1.67%564,273
Sep 2, 202514.0814.3914.0614.3414.340.91%438,923
Aug 29, 202514.4214.4214.1014.2114.21-1.39%210,455
Aug 28, 202514.5714.5714.3414.4114.41-1.10%295,668
Aug 27, 202514.4514.6014.4114.5714.570.34%318,483
Aug 26, 202514.5414.7614.4914.5214.520.21%305,619
Aug 25, 202514.7014.7114.4914.4914.49-1.63%240,628
Aug 22, 202514.3314.8214.1914.7314.733.81%328,929
Aug 21, 202514.2414.7314.0014.1914.19-1.05%315,343
Aug 20, 202514.3814.4414.2014.3414.34-0.55%410,683
Aug 19, 202514.3214.5514.2814.4214.421.19%337,826
Aug 18, 202514.1614.3014.1214.2514.250.49%452,183
Aug 15, 202514.5414.5414.0314.1814.18-2.14%377,326
Aug 14, 202514.4514.7214.3314.4914.49-0.89%480,499
Aug 13, 202514.4014.6914.2914.6214.622.24%481,108
Aug 12, 202514.0114.4413.9514.3014.302.95%581,579
Aug 11, 202514.2614.4013.8413.8913.89-2.11%559,214
Aug 8, 202514.6814.7114.0614.1914.19-3.14%450,260
Aug 7, 202514.9815.2414.5114.6514.657.56%870,971
Aug 6, 202513.6613.8113.5613.6213.62-0.07%354,775
Aug 5, 202513.4113.7613.3713.6313.632.25%294,987
Aug 4, 202512.8513.3412.8413.3313.334.22%338,273
Aug 1, 202513.3013.3012.6612.7912.79-4.91%565,935
Jul 31, 202513.5813.7513.4313.4513.45-1.39%485,647
Jul 30, 202513.6513.9713.5713.6413.64-0.22%453,416
Jul 29, 202513.7513.7913.4113.6713.67-0.36%620,632
Jul 28, 202513.9713.9713.7113.7213.72-1.15%313,761
Jul 25, 202513.9714.0413.8313.8813.88-0.22%320,398
Jul 24, 202513.7914.0313.7413.9113.910.43%307,630
Jul 23, 202513.8013.9613.6813.8513.851.32%359,905
Jul 22, 202513.5113.8613.5113.6713.670.89%350,543
Jul 21, 202513.6313.7813.5113.5513.550.07%316,066
Jul 18, 202513.7813.8713.5213.5413.54-0.81%481,807
Jul 17, 202513.5013.6713.4513.6513.651.49%421,476
Jul 16, 202512.9513.4612.8213.4513.453.46%442,014
Jul 15, 202513.2013.2212.9613.0013.00-0.91%318,024
Jul 14, 202513.1113.1612.9413.1213.12-0.30%262,166
Jul 11, 202513.2413.3313.0913.1613.16-1.64%327,751
Jul 10, 202513.2813.6513.2813.3813.380.83%304,141
Jul 9, 202513.1213.2913.0313.2713.271.61%306,418
Jul 8, 202512.9413.3112.8913.0613.061.40%666,986
Jul 7, 202513.0713.1312.8612.8812.88-2.42%299,534
Jul 3, 202512.9913.2112.9213.2013.202.48%427,132
Jul 2, 202512.7913.0212.7512.8812.881.26%325,206
Jul 1, 202512.6412.9512.5412.7212.72-0.47%346,860
Jun 30, 202512.6712.9812.5512.7812.781.27%653,756
Jun 27, 202512.4712.7312.3812.6212.621.69%1,075,889