NASDAQ : ERII
Energy Recovery, Inc. — Price history
Industrials · Pollution & Treatment Controls · United States
Last price 6.96 USD (Oct 30, 2026, 4:00 PM EDT) · Market cap 355.27M
Overview · Financial statements · Key statistics · Dividends · Company profile · Price history · Reports
Price history
Energy Recovery, Inc. (ERII) closed at 7.18 USD on 2026-11-02. Daily open, high, low, close and volume for recent sessions:
| Date | Open | High | Low | Close | Volume | Change |
|---|---|---|---|---|---|---|
| 2026-11-02 | 7.04 | 7.3 | 7.02 | 7.18 | 595,910 | +3.16% |
| 2026-10-30 | 7.06 | 7.09 | 6.915 | 6.96 | 1,251,208 | -2.25% |
| 2026-10-29 | 6.95 | 7.12 | 6.935 | 7.12 | 703,638 | +2.45% |
| 2026-10-28 | 6.89 | 6.95 | 6.78 | 6.95 | 651,049 | +1.31% |
| 2026-10-27 | 6.81 | 6.915 | 6.76 | 6.86 | 988,531 | +1.03% |
| 2026-10-26 | 6.68 | 6.82 | 6.61 | 6.79 | 772,012 | +1.65% |
| 2026-10-23 | 6.62 | 6.825 | 6.55 | 6.68 | 732,794 | +0.15% |
| 2026-10-22 | 6.6 | 6.74 | 6.555 | 6.67 | 913,313 | +0.30% |
| 2026-10-21 | 6.72 | 6.755 | 6.595 | 6.65 | 616,396 | +0.15% |
| 2026-10-20 | 6.65 | 6.79 | 6.6 | 6.64 | 772,551 | -0.30% |
| 2026-10-19 | 6.7 | 6.72 | 6.58 | 6.66 | 572,486 | +0.15% |
| 2026-10-16 | 6.66 | 6.81 | 6.62 | 6.65 | 888,341 | +0.15% |
| 2026-10-15 | 6.74 | 6.775 | 6.635 | 6.64 | 585,260 | -1.04% |
| 2026-10-14 | 6.75 | 6.795 | 6.64 | 6.71 | 655,274 | -2.04% |
| 2026-10-13 | 6.85 | 6.885 | 6.67 | 6.85 | 721,833 | -0.22% |
| 2026-10-12 | 6.84 | 6.93 | 6.8 | 6.865 | 476,144 | +0.37% |
| 2026-10-09 | 6.84 | 6.88 | 6.73 | 6.84 | 461,599 | +0.00% |
| 2026-10-08 | 6.76 | 6.915 | 6.69 | 6.84 | 1,149,913 | +1.63% |
| 2026-10-07 | 6.94 | 6.945 | 6.632 | 6.73 | 688,977 | -4.94% |
| 2026-10-06 | 6.9 | 7.145 | 6.87 | 7.08 | 1,389,240 | +3.66% |
| 2026-10-05 | 6.75 | 6.84 | 6.63 | 6.83 | 872,151 | +0.89% |
| 2026-10-02 | 6.81 | 6.825 | 6.71 | 6.77 | 618,163 | +1.04% |
| 2026-10-01 | 6.68 | 6.765 | 6.6 | 6.7 | 725,706 | +0.45% |
| 2026-09-30 | 6.75 | 6.775 | 6.66 | 6.67 | 824,636 | -1.19% |
| 2026-09-29 | 6.75 | 6.82 | 6.7 | 6.75 | 689,563 | +0.45% |
| 2026-09-28 | 6.78 | 6.79 | 6.6 | 6.72 | 931,383 | -1.32% |
| 2026-09-25 | 6.83 | 6.895 | 6.77 | 6.81 | 681,668 | -0.29% |
| 2026-09-24 | 6.76 | 6.84 | 6.69 | 6.83 | 800,535 | +0.44% |
| 2026-09-23 | 7.06 | 7.06 | 6.775 | 6.8 | 777,804 | -4.49% |
| 2026-09-22 | 7.06 | 7.135 | 6.95 | 7.12 | 754,236 | +1.28% |
| 2026-09-21 | 7 | 7.07 | 6.91 | 7.03 | 985,904 | +0.57% |
| 2026-09-18 | 6.97 | 7.06 | 6.885 | 6.99 | 1,947,844 | -0.85% |
| 2026-09-17 | 7.19 | 7.204 | 6.955 | 7.05 | 656,437 | -0.70% |
| 2026-09-16 | 7.08 | 7.325 | 7.05 | 7.1 | 913,482 | +0.57% |
| 2026-09-15 | 7.11 | 7.119 | 6.895 | 7.06 | 1,293,406 | -0.42% |
| 2026-09-14 | 7.18 | 7.27 | 6.93 | 7.09 | 2,016,328 | -6.09% |
| 2026-09-11 | 7.39 | 7.59 | 7.325 | 7.55 | 929,289 | +3.85% |
| 2026-09-10 | 7.35 | 7.415 | 7.25 | 7.27 | 810,721 | -1.49% |
| 2026-09-09 | 7.64 | 7.68 | 7.33 | 7.38 | 922,804 | -4.16% |
| 2026-09-08 | 7.57 | 7.79 | 7.49 | 7.7 | 1,140,833 | +0.92% |
| 2026-09-04 | 7.62 | 7.75 | 7.6 | 7.63 | 642,916 | -0.26% |
| 2026-09-03 | 7.64 | 7.72 | 7.53 | 7.65 | 802,475 | +0.92% |
| 2026-09-02 | 7.75 | 7.76 | 7.53 | 7.58 | 947,745 | -1.94% |
| 2026-09-01 | 7.65 | 7.77 | 7.6 | 7.73 | 1,293,399 | +0.26% |
| 2026-08-31 | 7.73 | 7.8 | 7.625 | 7.71 | 3,244,517 | -0.77% |
| 2026-08-28 | 7.92 | 8.05 | 7.76 | 7.77 | 683,899 | -1.65% |
| 2026-08-27 | 7.9 | 7.955 | 7.76 | 7.9 | 567,145 | -0.50% |
| 2026-08-26 | 7.86 | 8.015 | 7.82 | 7.94 | 684,123 | +1.15% |
| 2026-08-25 | 7.84 | 7.895 | 7.74 | 7.85 | 584,442 | +0.64% |
| 2026-08-24 | 7.9 | 7.9 | 7.63 | 7.8 | 811,467 | -1.27% |
| 2026-08-21 | 7.82 | 7.94 | 7.76 | 7.9 | 506,159 | +1.94% |
| 2026-08-20 | 7.79 | 7.856 | 7.58 | 7.75 | 1,019,220 | -1.96% |
| 2026-08-19 | 7.86 | 8 | 7.78 | 7.905 | 889,931 | +0.32% |
| 2026-08-18 | 8.06 | 8.12 | 7.735 | 7.88 | 1,003,799 | -3.19% |
| 2026-08-17 | 8.35 | 8.375 | 8.09 | 8.14 | 1,177,645 | -2.51% |
| 2026-08-14 | 7.91 | 8.39 | 7.755 | 8.35 | 1,353,847 | +6.78% |
| 2026-08-13 | 7.76 | 7.84 | 7.51 | 7.82 | 1,276,569 | +0.51% |
| 2026-08-12 | 7.77 | 7.93 | 7.74 | 7.78 | 714,916 | +0.78% |
| 2026-08-11 | 7.99 | 8.05 | 7.705 | 7.72 | 1,164,412 | -3.38% |
| 2026-08-10 | 8.7 | 8.73 | 7.87 | 7.99 | 913,829 | -7.95% |
| 2026-08-07 | 8.86 | 8.915 | 8.565 | 8.68 | 976,275 | -0.57% |
| 2026-08-06 | 8.355 | 8.805 | 8.31 | 8.73 | 1,334,061 | -1.47% |
| 2026-08-05 | 9.11 | 9.34 | 8.8 | 8.86 | 914,835 | -2.85% |
| 2026-08-04 | 9.03 | 9.165 | 8.87 | 9.12 | 951,169 | +2.36% |
| 2026-08-03 | 8.79 | 8.92 | 8.56 | 8.91 | 1,278,502 | +3.01% |
| 2026-07-31 | 8.5 | 8.66 | 8.31 | 8.65 | 1,452,149 | +2.61% |
| 2026-07-30 | 8.28 | 8.46 | 8.16 | 8.43 | 847,448 | +3.56% |
| 2026-07-29 | 8.3 | 8.39 | 7.855 | 8.14 | 1,511,464 | -3.10% |
| 2026-07-28 | 8.56 | 8.73 | 8.35 | 8.4 | 688,163 | -1.41% |
| 2026-07-27 | 8.45 | 8.66 | 8.365 | 8.52 | 767,380 | +1.19% |
| 2026-07-24 | 8.46 | 8.56 | 8.36 | 8.42 | 514,135 | +0.12% |
| 2026-07-23 | 8.43 | 8.61 | 8.373 | 8.41 | 546,532 | -1.52% |
| 2026-07-22 | 8.62 | 8.68 | 8.465 | 8.54 | 608,115 | -0.93% |
| 2026-07-21 | 8.52 | 8.735 | 8.515 | 8.62 | 596,441 | +1.65% |
| 2026-07-20 | 8.65 | 8.68 | 8.46 | 8.48 | 558,484 | -1.62% |
| 2026-07-17 | 8.68 | 8.965 | 8.52 | 8.62 | 741,266 | -0.92% |
| 2026-07-16 | 8.56 | 8.73 | 8.5 | 8.7 | 596,125 | +0.93% |
| 2026-07-15 | 8.68 | 8.85 | 8.44 | 8.62 | 703,237 | -0.46% |
| 2026-07-14 | 8.68 | 8.75 | 8.59 | 8.66 | 570,740 | +0.00% |
| 2026-07-13 | 8.73 | 8.86 | 8.55 | 8.66 | 893,485 | -0.80% |
| 2026-07-10 | 8.91 | 8.91 | 8.67 | 8.73 | 676,680 | -2.24% |
| 2026-07-09 | 8.6 | 8.96 | 8.57 | 8.93 | 1,044,172 | +3.60% |
| 2026-07-08 | 8.61 | 8.72 | 8.555 | 8.62 | 660,003 | -2.05% |
| 2026-07-07 | 8.9 | 8.95 | 8.58 | 8.8 | 537,910 | -2.22% |
| 2026-07-06 | 8.865 | 9.04 | 8.8 | 9 | 415,696 | +1.81% |
| 2026-07-02 | 8.94 | 9.055 | 8.79 | 8.84 | 647,692 | -0.67% |
| 2026-07-01 | 8.98 | 9.23 | 8.89 | 8.9 | 669,337 | -1.33% |
| 2026-06-30 | 8.885 | 9.065 | 8.7 | 9.02 | 918,972 | +2.38% |
| 2026-06-29 | 8.96 | 9 | 8.75 | 8.81 | 875,525 | -0.11% |
| 2026-06-26 | 8.7 | 9.05 | 8.675 | 8.82 | 1,590,619 | +0.34% |
| 2026-06-25 | 8.89 | 8.945 | 8.73 | 8.79 | 710,100 | +0.23% |
| 2026-06-24 | 8.93 | 9.11 | 8.745 | 8.77 | 925,136 | -1.02% |
| 2026-06-23 | 8.6 | 9.02 | 8.542 | 8.86 | 621,385 | -0.45% |
| 2026-06-22 | 9.42 | 9.42 | 8.85 | 8.9 | 1,374,033 | -5.52% |
| 2026-06-18 | 9.54 | 9.907 | 9.16 | 9.42 | 3,558,242 | +4.78% |
| 2026-06-17 | 8.6 | 9.67 | 8.57 | 8.99 | 2,479,981 | +4.78% |
| 2026-06-16 | 8.76 | 9.065 | 8.54 | 8.58 | 1,535,699 | -2.05% |
| 2026-06-15 | 8.52 | 9.06 | 8.43 | 8.76 | 2,072,791 | +5.16% |
| 2026-06-12 | 8.19 | 8.41 | 8.15 | 8.33 | 720,085 | +1.71% |
| 2026-06-11 | 7.97 | 8.24 | 7.83 | 8.19 | 839,568 | +3.41% |
| 2026-06-10 | 8.09 | 8.112 | 7.89 | 7.92 | 523,224 | -2.46% |
| 2026-06-09 | 8.07 | 8.295 | 7.955 | 8.12 | 689,807 | +1.88% |
| 2026-06-08 | 8.025 | 8.15 | 7.83 | 7.97 | 669,483 | -0.50% |
| 2026-06-05 | 8.29 | 8.3 | 8 | 8.01 | 584,578 | -3.38% |
| 2026-06-04 | 8.15 | 8.39 | 8.06 | 8.29 | 753,656 | +3.11% |
| 2026-06-03 | 8.13 | 8.35 | 8 | 8.04 | 1,098,078 | -1.71% |
| 2026-06-02 | 8.06 | 8.295 | 8.06 | 8.18 | 725,344 | +2.25% |
| 2026-06-01 | 8.12 | 8.2 | 7.94 | 8 | 984,950 | -2.08% |
| 2026-05-29 | 8.43 | 8.52 | 8.09 | 8.17 | 892,124 | -5.33% |
| 2026-05-28 | 8.59 | 8.71 | 8.5 | 8.63 | 557,474 | -0.58% |
| 2026-05-27 | 8.81 | 8.81 | 8.57 | 8.68 | 493,418 | -1.03% |
| 2026-05-26 | 8.92 | 9 | 8.71 | 8.77 | 806,924 | -0.90% |
| 2026-05-22 | 8.67 | 8.855 | 8.61 | 8.85 | 825,755 | +2.67% |
| 2026-05-21 | 8.55 | 8.72 | 8.365 | 8.62 | 648,302 | -0.35% |
| 2026-05-20 | 8.48 | 8.73 | 8.39 | 8.65 | 916,782 | +2.25% |
| 2026-05-19 | 9 | 9.075 | 8.44 | 8.46 | 933,493 | -6.62% |
| 2026-05-18 | 8.63 | 9.265 | 8.61 | 9.06 | 1,335,538 | +7.73% |
| 2026-05-15 | 8.45 | 8.635 | 8.2 | 8.41 | 1,247,806 | -2.44% |
| 2026-05-14 | 8.4 | 8.64 | 8.175 | 8.62 | 4,776,151 | +3.73% |
| 2026-05-13 | 8.73 | 8.77 | 8.135 | 8.31 | 3,479,848 | -4.81% |