Energy Recovery, Inc. (ERII)
NASDAQ: ERII · Real-Time Price · USD
6.96
-0.16 (-2.25%)
At close: Oct 30, 2026, 4:00 PM EDT
6.93
-0.03 (-0.43%)
After-hours: Oct 30, 2026, 4:48 PM EDT
Energy Recovery Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 30, 2026 | 7.06 | 7.09 | 6.92 | 6.96 | 6.96 | -2.25% | 1,251,135 |
| Oct 29, 2026 | 6.95 | 7.12 | 6.94 | 7.12 | 7.12 | 2.45% | 703,638 |
| Oct 28, 2026 | 6.89 | 6.95 | 6.78 | 6.95 | 6.95 | 1.31% | 651,049 |
| Oct 27, 2026 | 6.81 | 6.92 | 6.76 | 6.86 | 6.86 | 1.03% | 988,531 |
| Oct 26, 2026 | 6.68 | 6.82 | 6.61 | 6.79 | 6.79 | 1.65% | 772,012 |
| Oct 23, 2026 | 6.62 | 6.83 | 6.55 | 6.68 | 6.68 | 0.15% | 732,794 |
| Oct 22, 2026 | 6.60 | 6.74 | 6.56 | 6.67 | 6.67 | 0.30% | 913,313 |
| Oct 21, 2026 | 6.72 | 6.76 | 6.60 | 6.65 | 6.65 | 0.15% | 616,396 |
| Oct 20, 2026 | 6.65 | 6.79 | 6.60 | 6.64 | 6.64 | -0.30% | 772,551 |
| Oct 19, 2026 | 6.70 | 6.72 | 6.58 | 6.66 | 6.66 | 0.15% | 572,486 |
| Oct 16, 2026 | 6.66 | 6.81 | 6.62 | 6.65 | 6.65 | 0.15% | 888,341 |
| Oct 15, 2026 | 6.74 | 6.78 | 6.64 | 6.64 | 6.64 | -1.04% | 585,260 |
| Oct 14, 2026 | 6.75 | 6.80 | 6.64 | 6.71 | 6.71 | -2.04% | 655,274 |
| Oct 13, 2026 | 6.85 | 6.89 | 6.67 | 6.85 | 6.85 | -0.22% | 721,833 |
| Oct 12, 2026 | 6.84 | 6.93 | 6.80 | 6.87 | 6.87 | 0.37% | 476,144 |
| Oct 9, 2026 | 6.84 | 6.88 | 6.73 | 6.84 | 6.84 | - | 461,599 |
| Oct 8, 2026 | 6.76 | 6.92 | 6.69 | 6.84 | 6.84 | 1.63% | 1,149,913 |
| Oct 7, 2026 | 6.94 | 6.95 | 6.63 | 6.73 | 6.73 | -4.94% | 688,977 |
| Oct 6, 2026 | 6.90 | 7.15 | 6.87 | 7.08 | 7.08 | 3.66% | 1,389,240 |
| Oct 5, 2026 | 6.75 | 6.84 | 6.63 | 6.83 | 6.83 | 0.89% | 872,151 |
| Oct 2, 2026 | 6.81 | 6.83 | 6.71 | 6.77 | 6.77 | 1.04% | 618,163 |
| Oct 1, 2026 | 6.68 | 6.77 | 6.60 | 6.70 | 6.70 | 0.45% | 725,706 |
| Sep 30, 2026 | 6.75 | 6.78 | 6.66 | 6.67 | 6.67 | -1.19% | 824,636 |
| Sep 29, 2026 | 6.75 | 6.82 | 6.70 | 6.75 | 6.75 | 0.45% | 689,563 |
| Sep 28, 2026 | 6.78 | 6.79 | 6.60 | 6.72 | 6.72 | -1.32% | 931,383 |
| Sep 25, 2026 | 6.83 | 6.90 | 6.77 | 6.81 | 6.81 | -0.29% | 681,668 |
| Sep 24, 2026 | 6.76 | 6.84 | 6.69 | 6.83 | 6.83 | 0.44% | 800,535 |
| Sep 23, 2026 | 7.06 | 7.06 | 6.78 | 6.80 | 6.80 | -4.49% | 777,804 |
| Sep 22, 2026 | 7.06 | 7.14 | 6.95 | 7.12 | 7.12 | 1.28% | 754,236 |
| Sep 21, 2026 | 7.00 | 7.07 | 6.91 | 7.03 | 7.03 | 0.57% | 985,904 |
| Sep 18, 2026 | 6.97 | 7.06 | 6.89 | 6.99 | 6.99 | -0.85% | 1,947,844 |
| Sep 17, 2026 | 7.19 | 7.20 | 6.96 | 7.05 | 7.05 | -0.70% | 656,437 |
| Sep 16, 2026 | 7.08 | 7.33 | 7.05 | 7.10 | 7.10 | 0.57% | 913,482 |
| Sep 15, 2026 | 7.11 | 7.12 | 6.90 | 7.06 | 7.06 | -0.42% | 1,293,406 |
| Sep 14, 2026 | 7.18 | 7.27 | 6.93 | 7.09 | 7.09 | -6.09% | 2,016,328 |
| Sep 11, 2026 | 7.39 | 7.59 | 7.33 | 7.55 | 7.55 | 3.85% | 929,289 |
| Sep 10, 2026 | 7.35 | 7.42 | 7.25 | 7.27 | 7.27 | -1.49% | 810,721 |
| Sep 9, 2026 | 7.64 | 7.68 | 7.33 | 7.38 | 7.38 | -4.16% | 922,804 |
| Sep 8, 2026 | 7.57 | 7.79 | 7.49 | 7.70 | 7.70 | 0.92% | 1,140,833 |
| Sep 4, 2026 | 7.62 | 7.75 | 7.60 | 7.63 | 7.63 | -0.26% | 642,916 |
| Sep 3, 2026 | 7.64 | 7.72 | 7.53 | 7.65 | 7.65 | 0.92% | 802,475 |
| Sep 2, 2026 | 7.75 | 7.76 | 7.53 | 7.58 | 7.58 | -1.94% | 947,745 |
| Sep 1, 2026 | 7.65 | 7.77 | 7.60 | 7.73 | 7.73 | 0.26% | 1,293,399 |
| Aug 31, 2026 | 7.73 | 7.80 | 7.63 | 7.71 | 7.71 | -0.77% | 3,244,517 |
| Aug 28, 2026 | 7.92 | 8.05 | 7.76 | 7.77 | 7.77 | -1.65% | 683,899 |
| Aug 27, 2026 | 7.90 | 7.96 | 7.76 | 7.90 | 7.90 | -0.50% | 567,145 |
| Aug 26, 2026 | 7.86 | 8.02 | 7.82 | 7.94 | 7.94 | 1.15% | 684,123 |
| Aug 25, 2026 | 7.84 | 7.90 | 7.74 | 7.85 | 7.85 | 0.64% | 584,442 |
| Aug 24, 2026 | 7.90 | 7.90 | 7.63 | 7.80 | 7.80 | -1.27% | 811,467 |
| Aug 21, 2026 | 7.82 | 7.94 | 7.76 | 7.90 | 7.90 | 1.94% | 506,159 |