ERII
Energy Recovery (ERII)
NASDAQ
$6.67-$0.010 (-0.15%)
Price as of Oct 23, 2026 7:30 PM EDT
  • $340.5M
    Market Cap
  • -63.11%
    1-Year Change
  • Pollution & Treatment Controls
    Industry
  • 1 Month
    -1.76%
    Low Price$6.64
    High Price$7.08
  • 3 Months
    -20.57%
    Low Price$6.64
    High Price$9.12
  • 1 Year
    -63.11%
    Low Price$6.64
    High Price$18.11
Date
Open
High
Low
Close
Change (%)
Volume
10/23/2026
6.62
6.83
6.55
6.68
+0.15%
732,794
10/22/2026
6.60
6.74
6.56
6.67
+0.30%
913,313
10/21/2026
6.72
6.76
6.60
6.65
+0.15%
616,396
10/20/2026
6.65
6.79
6.60
6.64
-0.30%
772,551
10/19/2026
6.70
6.72
6.58
6.66
+0.15%
572,445
10/16/2026
6.66
6.81
6.62
6.65
+0.15%
888,341
10/15/2026
6.74
6.78
6.64
6.64
-1.04%
585,260
10/14/2026
6.75
6.80
6.64
6.71
-2.04%
655,274
10/13/2026
6.85
6.89
6.67
6.85
-0.22%
721,833
10/12/2026
6.84
6.93
6.80
6.87
+0.37%
476,144
10/09/2026
6.84
6.88
6.73
6.84
0.00%
461,499
10/08/2026
6.76
6.92
6.69
6.84
+1.63%
1,149,913
10/07/2026
6.94
6.95
6.63
6.73
-4.94%
688,977
10/06/2026
6.90
7.15
6.87
7.08
+3.66%
1,389,240
10/05/2026
6.75
6.84
6.63
6.83
+0.89%
872,151
10/02/2026
6.81
6.83
6.71
6.77
+1.04%
618,163
10/01/2026
6.68
6.77
6.60
6.70
+0.45%
725,706
09/30/2026
6.75
6.78
6.66
6.67
-1.19%
824,636
09/29/2026
6.75
6.82
6.70
6.75
+0.45%
689,563
09/28/2026
6.78
6.79
6.60
6.72
-1.32%
929,005
09/25/2026
6.83
6.90
6.77
6.81
-0.29%
681,668
09/24/2026
6.76
6.84
6.69
6.83
+0.44%
800,535
09/23/2026
7.06
7.06
6.78
6.80
-4.49%
777,858
09/22/2026
7.06
7.14
6.95
7.12
+1.28%
754,236
09/21/2026
7.00
7.07
6.91
7.03
+0.57%
985,904
09/18/2026
6.97
7.06
6.89
6.99
-0.85%
1,947,844
09/17/2026
7.19
7.20
6.96
7.05
-0.70%
656,437
09/16/2026
7.08
7.33
7.05
7.10
+0.57%
913,482
09/15/2026
7.11
7.12
6.90
7.06
-0.42%
1,293,406
09/14/2026
7.18
7.27
6.93
7.09
-6.09%
2,014,080
09/11/2026
7.39
7.59
7.33
7.55
+3.85%
929,289
09/10/2026
7.35
7.42
7.25
7.27
-1.49%
810,721
09/09/2026
7.64
7.68
7.33
7.38
-4.16%
922,804
09/08/2026
7.57
7.79
7.49
7.70
+0.92%
1,140,815
09/04/2026
7.62
7.75
7.60
7.63
-0.26%
642,916
09/03/2026
7.64
7.72
7.53
7.65
+0.92%
802,475
09/02/2026
7.75
7.76
7.53
7.58
-1.94%
947,666
09/01/2026
7.65
7.77
7.60
7.73
+0.26%
1,293,290
08/31/2026
7.73
7.80
7.63
7.71
-0.77%
3,246,825
08/28/2026
7.92
8.05
7.76
7.77
-1.65%
683,899
08/27/2026
7.90
7.96
7.76
7.90
-0.50%
567,145
08/26/2026
7.86
8.02
7.82
7.94
+1.15%
684,123
08/25/2026
7.84
7.90
7.74
7.85
+0.64%
584,442
08/24/2026
7.90
7.90
7.63
7.80
-1.27%
811,467
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