ERII
Energy Recovery (ERII)
NASDAQ
$7.84-$0.06 (-0.72%)
Price as of Aug 21, 2026 7:44 PM EDT
  • $403.3M
    Market Cap
  • -46.37%
    1-Year Change
  • Pollution & Treatment Controls
    Industry
  • 1 Month
    -8.35%
    Low Price$7.72
    High Price$9.12
  • 3 Months
    -8.35%
    Low Price$7.72
    High Price$9.42
  • 1 Year
    -46.37%
    Low Price$7.72
    High Price$18.11
Date
Open
High
Low
Close
Change (%)
Volume
08/21/2026
7.82
7.94
7.76
7.90
+1.94%
506,159
08/20/2026
7.79
7.86
7.58
7.75
-1.96%
1,017,745
08/19/2026
7.86
8.00
7.78
7.91
+0.32%
889,931
08/18/2026
8.06
8.12
7.74
7.88
-3.19%
1,003,799
08/17/2026
8.35
8.38
8.09
8.14
-2.51%
1,177,645
08/14/2026
7.91
8.39
7.76
8.35
+6.78%
1,353,847
08/13/2026
7.76
7.84
7.51
7.82
+0.51%
1,276,569
08/12/2026
7.77
7.93
7.74
7.78
+0.78%
714,916
08/11/2026
7.99
8.05
7.71
7.72
-3.38%
1,164,412
08/10/2026
8.70
8.73
7.87
7.99
-7.95%
913,829
08/07/2026
8.86
8.92
8.57
8.68
-0.57%
976,275
08/06/2026
8.36
8.81
8.31
8.73
-1.47%
1,334,061
08/05/2026
9.11
9.34
8.80
8.86
-2.85%
914,835
08/05/2026
-$0.03 Earnings
08/04/2026
9.03
9.17
8.87
9.12
+2.36%
951,169
08/03/2026
8.79
8.92
8.56
8.91
+3.01%
1,278,490
07/31/2026
8.50
8.66
8.31
8.65
+2.61%
1,452,121
07/30/2026
8.28
8.46
8.16
8.43
+3.56%
847,448
07/29/2026
8.30
8.39
7.86
8.14
-3.10%
1,511,464
07/28/2026
8.56
8.73
8.35
8.40
-1.41%
688,161
07/27/2026
8.45
8.66
8.37
8.52
+1.19%
767,380
07/24/2026
8.46
8.56
8.36
8.42
+0.12%
514,135
07/23/2026
8.43
8.61
8.37
8.41
-1.52%
546,532
07/22/2026
8.62
8.68
8.47
8.54
-0.93%
608,115
07/21/2026
8.52
8.74
8.52
8.62
+1.65%
596,441
07/20/2026
8.65
8.68
8.46
8.48
-1.62%
558,484
07/17/2026
8.68
8.97
8.52
8.62
-0.92%
741,266
07/16/2026
8.56
8.73
8.50
8.70
+0.93%
596,125
07/15/2026
8.68
8.85
8.44
8.62
-0.46%
703,237
07/14/2026
8.68
8.75
8.59
8.66
0.00%
561,049
07/13/2026
8.73
8.86
8.55
8.66
-0.80%
893,485
07/10/2026
8.91
8.91
8.67
8.73
-2.24%
676,680
07/09/2026
8.60
8.96
8.57
8.93
+3.60%
1,044,172
07/08/2026
8.61
8.72
8.56
8.62
-2.05%
660,003
07/07/2026
8.90
8.95
8.58
8.80
-2.22%
537,910
07/06/2026
8.87
9.04
8.80
9.00
+1.81%
415,696
07/02/2026
8.94
9.06
8.79
8.84
-0.67%
647,692
07/01/2026
8.98
9.23
8.89
8.90
-1.33%
669,127
06/30/2026
8.89
9.07
8.70
9.02
+2.38%
918,972
06/29/2026
8.96
9.00
8.75
8.81
-0.11%
875,525
06/26/2026
8.70
9.05
8.68
8.82
+0.34%
1,590,619
06/25/2026
8.89
8.95
8.73
8.79
+0.23%
710,100
06/24/2026
8.93
9.11
8.75
8.77
-1.02%
925,136
06/23/2026
8.60
9.02
8.54
8.86
-0.45%
621,385
06/22/2026
9.42
9.42
8.85
8.90
-5.52%
1,374,033
06/18/2026
9.54
9.91
9.16
9.42
+4.78%
3,558,242
06/17/2026
8.60
9.67
8.57
8.99
+4.78%
2,479,981
06/16/2026
8.76
9.07
8.54
8.58
-2.05%
1,535,699
06/15/2026
8.52
9.06
8.43
8.76
+5.16%
2,072,791
06/12/2026
8.19
8.41
8.15
8.33
+1.71%
719,684
06/11/2026
7.97
8.24
7.83
8.19
+3.41%
839,568
06/10/2026
8.09
8.11
7.89
7.92
-2.46%
523,224
06/09/2026
8.07
8.30
7.96
8.12
+1.88%
689,807
06/08/2026
8.03
8.15
7.83
7.97
-0.50%
669,483
06/05/2026
8.29
8.30
8.00
8.01
-3.38%
584,578
06/04/2026
8.15
8.39
8.06
8.29
+3.11%
753,656
06/03/2026
8.13
8.35
8.00
8.04
-1.71%
1,097,118
06/02/2026
8.06
8.30
8.06
8.18
+2.25%
725,344
06/01/2026
8.12
8.20
7.94
8.00
-2.08%
984,950
05/29/2026
8.43
8.52
8.09
8.17
-5.33%
892,124
05/28/2026
8.59
8.71
8.50
8.63
-0.58%
557,474
05/27/2026
8.81
8.81
8.57
8.68
-1.03%
493,418
05/26/2026
8.92
9.00
8.71
8.77
-0.90%
806,924
05/22/2026
8.67
8.86
8.61
8.85
+2.67%
825,755
05/21/2026
8.55
8.72
8.37
8.62
-0.35%
648,141
05/20/2026
8.48
8.73
8.39
8.65
+2.25%
916,782
05/19/2026
9.00
9.08
8.44
8.46
-6.62%
933,493
05/18/2026
8.63
9.27
8.61
9.06
+7.73%
1,335,538
05/15/2026
8.45
8.64
8.20
8.41
-2.44%
1,247,806
05/14/2026
8.40
8.64
8.18
8.62
+3.73%
4,776,151
05/13/2026
8.73
8.77
8.14
8.31
-4.81%
3,479,848
05/12/2026
8.70
8.82
8.53
8.73
+0.34%
1,391,425
05/11/2026
9.21
9.33
8.62
8.70
-4.71%
1,588,861
05/08/2026
9.67
9.67
9.03
9.13
-3.18%
1,548,704
05/07/2026
11.13
11.13
9.30
9.43
-18.78%
3,622,287
05/06/2026
11.51
11.72
11.48
11.61
+2.65%
726,935
05/06/2026
-$0.11 Earnings
05/05/2026
11.11
11.48
11.07
11.31
+2.82%
586,264
05/04/2026
11.02
11.19
10.97
11.00
-0.36%
596,689
05/01/2026
11.11
11.17
10.85
11.04
-0.27%
858,673
04/30/2026
10.84
11.13
10.75
11.07
+3.46%
1,194,126
04/29/2026
11.07
11.11
10.62
10.70
-3.52%
641,991
04/28/2026
11.00
11.12
10.81
11.09
+0.36%
720,243
04/27/2026
11.30
11.47
11.03
11.05
-2.04%
850,153
04/24/2026
11.00
11.39
10.95
11.28
+2.45%
1,679,267
04/23/2026
10.90
11.14
10.75
11.01
+1.85%
830,468
04/22/2026
10.46
10.89
10.46
10.81
+4.24%
1,302,357
04/21/2026
10.74
10.86
10.23
10.37
-0.86%
710,252
04/20/2026
10.50
10.69
10.43
10.46
-1.13%
748,661
04/17/2026
10.66
10.79
10.51
10.58
+1.24%
1,744,964
04/16/2026
10.62
10.70
10.28
10.45
-1.60%
785,274
04/15/2026
10.48
10.89
10.48
10.62
-5.93%
929,417
04/14/2026
11.41
11.53
11.27
11.29
-1.05%
550,417
04/13/2026
11.09
11.50
11.05
11.41
+2.70%
820,888
04/10/2026
11.00
11.27
11.00
11.11
+0.45%
381,127
04/09/2026
10.72
11.12
10.67
11.06
+3.17%
855,774
04/08/2026
10.81
10.91
10.61
10.72
+3.78%
714,269
04/07/2026
10.28
10.45
10.25
10.33
-0.86%
486,117
04/06/2026
10.34
10.44
10.20
10.42
+2.16%
514,954
04/02/2026
10.02
10.41
9.85
10.20
-0.20%
1,097,921