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Energy Recovery, Inc. (ERII)
NASDAQ: ERII · Real-Time Price · USD
15.44
-0.13 (-0.83%)
At close: Oct 8, 2025, 4:00 PM EDT
15.44
0.00 (0.00%)
After-hours: Oct 8, 2025, 4:10 PM EDT

Energy Recovery Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 8, 202515.5715.6915.3515.4415.44-0.83%464,583
Oct 7, 202515.7715.8915.4315.5715.57-1.39%291,549
Oct 6, 202515.8215.8615.6215.7915.790.13%292,003
Oct 3, 202515.8816.2815.7515.7715.77-0.63%466,245
Oct 2, 202515.9215.9415.6815.8715.870.19%347,851
Oct 1, 202515.2515.8515.2215.8415.842.72%371,521
Sep 30, 202515.3115.4515.2315.4215.420.46%324,955
Sep 29, 202515.4515.4715.1415.3515.350.20%497,917
Sep 26, 202515.3315.4515.0715.3215.320.52%479,154
Sep 25, 202515.0715.2714.8915.2415.24-0.26%435,597
Sep 24, 202515.0115.3315.0015.2815.281.46%388,050
Sep 23, 202515.0515.3614.9815.0615.060.74%387,275
Sep 22, 202514.7015.0514.5114.9514.951.77%395,986
Sep 19, 202515.0215.0314.5814.6914.69-2.97%1,136,752
Sep 18, 202514.7015.2314.5315.1415.143.70%500,266
Sep 17, 202514.6814.9414.5214.6014.60-0.14%634,295
Sep 16, 202514.6914.8514.5114.6214.620.48%665,370
Sep 15, 202514.3814.6414.2014.5514.551.32%397,138
Sep 12, 202514.5114.5114.2814.3614.36-1.17%258,762
Sep 11, 202514.5314.6514.4114.5314.53-0.41%369,266
Sep 10, 202514.3214.5914.2014.5914.591.46%360,613
Sep 9, 202514.5214.5514.0614.3814.38-1.37%508,454
Sep 8, 202514.4514.6614.3114.5814.581.11%437,531
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