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Energy Recovery, Inc. (ERII)
NASDAQ: ERII · Real-Time Price · USD
11.12
+0.51 (4.81%)
At close: Mar 9, 2026, 4:00 PM EDT
11.34
+0.22 (1.98%)
After-hours: Mar 9, 2026, 7:49 PM EDT

Energy Recovery Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 9, 202610.8711.6110.3511.1211.124.81%1,759,483
Mar 6, 202610.6710.8110.3810.6110.61-1.12%905,070
Mar 5, 202610.6010.7810.5410.7310.730.09%860,632
Mar 4, 202610.4010.8110.2110.7210.724.89%861,613
Mar 3, 202610.0110.249.5910.2210.22-0.39%1,700,718
Mar 2, 202610.2910.369.8510.2610.26-1.63%939,565
Feb 27, 202610.4610.7910.0310.4310.43-1,196,424
Feb 26, 202611.4511.9710.2210.4310.43-35.30%4,514,909
Feb 25, 202616.1816.1815.7716.1216.120.31%409,905
Feb 24, 202616.1116.1615.8016.0716.070.06%299,891
Feb 23, 202616.1316.2715.7116.0616.06-1.11%369,146
Feb 20, 202616.0316.3015.8916.2416.241.18%272,189
Feb 19, 202615.7616.1215.7416.0516.051.90%279,699
Feb 18, 202615.8816.0015.6615.7515.75-0.88%291,419
Feb 17, 202615.5616.1015.4415.8915.891.86%332,429
Feb 13, 202615.4315.8115.4215.6015.601.50%309,264
Feb 12, 202615.6315.8915.3115.3715.37-0.45%234,838
Feb 11, 202615.7115.9015.3115.4415.44-0.96%246,759
Feb 10, 202615.7515.8315.5215.5915.59-1.39%286,050
Feb 9, 202615.5115.9015.2915.8115.812.20%273,755
Feb 6, 202615.1415.5815.1415.4715.472.38%304,415
Feb 5, 202614.9115.2814.8715.1115.110.87%232,645
Feb 4, 202615.0015.0714.7914.9814.981.15%211,571
Feb 3, 202614.9815.2014.5414.8114.81-0.94%377,205
Feb 2, 202614.4615.0214.2614.9514.952.47%343,054
Jan 30, 202614.6014.7314.3714.5914.59-1.29%399,234
Jan 29, 202614.6814.9014.5314.7814.780.89%296,453
Jan 28, 202614.5514.9614.2414.6514.651.17%455,093
Jan 27, 202614.3914.5714.3314.4814.481.05%283,494
Jan 26, 202614.3014.4814.2714.3314.330.21%226,901
Jan 23, 202614.5814.6214.2814.3014.30-2.26%293,170
Jan 22, 202614.5114.7214.4914.6314.631.49%286,335
Jan 21, 202614.1414.4814.0414.4214.423.11%311,131
Jan 20, 202614.0914.1813.9013.9813.98-2.24%308,856
Jan 16, 202614.2814.3714.1714.3014.30-366,455
Jan 15, 202614.3414.5014.2214.3014.300.56%340,923
Jan 14, 202614.3514.3714.0414.2214.22-1.11%392,925
Jan 13, 202614.3214.4014.1614.3814.380.70%283,423
Jan 12, 202614.1614.4714.1014.2814.280.85%234,954
Jan 9, 202614.4914.5514.1214.1614.16-1.94%299,482
Jan 8, 202614.0014.4713.9814.4414.442.70%215,846
Jan 7, 202614.3714.4414.0414.0614.06-2.50%278,401
Jan 6, 202614.2614.4814.1714.4214.420.63%304,345
Jan 5, 202613.7814.5813.7814.3314.334.45%371,862
Jan 2, 202613.6013.7213.4413.7213.721.70%303,013
Dec 31, 202513.5113.5913.3113.4913.490.07%494,699
Dec 30, 202513.7713.7813.4713.4813.48-2.32%609,026
Dec 29, 202513.8613.9413.7513.8013.80-0.58%314,229
Dec 26, 202513.8113.8813.7013.8813.880.29%284,834
Dec 24, 202513.8113.9113.7513.8413.840.22%145,739
Dec 23, 202513.9513.9813.6813.8113.81-1.22%395,529
Dec 22, 202514.1514.2413.9613.9813.98-0.64%409,498
Dec 19, 202514.4314.4614.0314.0714.07-2.49%1,281,599
Dec 18, 202514.2414.5514.2414.4314.432.12%393,571
Dec 17, 202514.3914.6214.1114.1314.13-2.15%421,796
Dec 16, 202514.5214.7514.4214.4414.44-0.55%599,587
Dec 15, 202514.5414.5914.3814.5214.520.35%478,192
Dec 12, 202514.6314.7114.3214.4714.47-0.89%315,515
Dec 11, 202514.4214.7214.3214.6014.601.32%356,727
Dec 10, 202514.2014.5614.0914.4114.411.26%554,813
Dec 9, 202514.4914.5514.2114.2314.23-1.86%443,705
Dec 8, 202514.7614.9114.4514.5014.50-1.49%441,315
Dec 5, 202514.6614.8114.6014.7214.720.27%333,099
Dec 4, 202514.8715.0014.6714.6814.68-1.48%285,159
Dec 3, 202514.5614.9314.5614.9014.903.26%420,332
Dec 2, 202514.5114.6514.3714.4314.43-0.21%491,961
Dec 1, 202514.1914.5714.1914.4614.460.07%393,442
Nov 28, 202514.4214.5014.2914.4514.450.49%225,376
Nov 26, 202514.2514.4314.1014.3814.380.91%300,641
Nov 25, 202514.0114.3313.9814.2514.252.67%470,283
Nov 24, 202513.6914.0013.5913.8813.881.76%845,199
Nov 21, 202513.3013.8013.2813.6413.642.71%526,019
Nov 20, 202514.2714.3613.2713.2813.28-5.14%512,649
Nov 19, 202514.4814.6113.7414.0014.00-2.98%722,375
Nov 18, 202514.3714.5014.0714.4314.43-0.48%535,868
Nov 17, 202514.5114.7714.4214.5014.50-0.34%715,234
Nov 14, 202514.3414.5614.3014.5514.550.14%502,930
Nov 13, 202514.1014.6514.0814.5314.531.89%751,250
Nov 12, 202514.0614.4413.9714.2614.261.49%819,768
Nov 11, 202514.1914.2913.8914.0514.05-0.07%655,426
Nov 10, 202514.3014.7114.0514.0614.060.61%1,050,219
Nov 7, 202514.4914.4913.4713.9813.98-3.55%2,526,018
Nov 6, 202515.3515.7214.3514.4914.49-16.05%1,153,451
Nov 5, 202516.5417.3616.5017.2617.265.18%521,043
Nov 4, 202516.7616.8216.3416.4116.41-2.38%339,576
Nov 3, 202517.1117.1116.8116.8116.81-1.75%402,378
Oct 31, 202517.1017.2016.9317.1117.11-0.12%335,288
Oct 30, 202517.1017.2316.9517.1317.13-0.23%220,779
Oct 29, 202517.3117.5316.9917.1717.17-1.32%280,425
Oct 28, 202517.5317.6417.2417.4017.40-1.08%321,321
Oct 27, 202518.1518.3217.4717.5917.59-2.87%291,224
Oct 24, 202517.9518.3117.7918.1118.111.34%309,176
Oct 23, 202517.3017.8917.2717.8717.873.77%409,494
Oct 22, 202517.1117.2616.9117.2217.220.35%392,767
Oct 21, 202516.9317.2216.6117.1617.160.76%556,390
Oct 20, 202516.9117.0916.7717.0317.031.61%466,950
Oct 17, 202516.6316.8816.5316.7616.76-0.09%457,893
Oct 16, 202516.4516.8316.3616.7816.782.66%564,906
Oct 15, 202515.9616.3815.7716.3416.343.81%436,600
Oct 14, 202515.3515.8515.3515.7415.741.16%271,162