Energy Recovery, Inc. (ERII)
NASDAQ: ERII · Real-Time Price · USD
10.70
-0.39 (-3.52%)
At close: Apr 29, 2026, 4:00 PM EDT
10.61
-0.09 (-0.84%)
After-hours: Apr 29, 2026, 5:22 PM EDT
Energy Recovery Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 29, 2026 | 11.07 | 11.11 | 10.62 | 10.70 | 10.70 | -3.52% | 641,991 |
| Apr 28, 2026 | 11.00 | 11.12 | 10.81 | 11.09 | 11.09 | 0.36% | 720,243 |
| Apr 27, 2026 | 11.30 | 11.47 | 11.03 | 11.05 | 11.05 | -2.04% | 850,202 |
| Apr 24, 2026 | 11.00 | 11.39 | 10.95 | 11.28 | 11.28 | 2.45% | 1,679,267 |
| Apr 23, 2026 | 10.90 | 11.14 | 10.75 | 11.01 | 11.01 | 1.85% | 830,468 |
| Apr 22, 2026 | 10.46 | 10.89 | 10.46 | 10.81 | 10.81 | 4.24% | 1,302,357 |
| Apr 21, 2026 | 10.74 | 10.86 | 10.23 | 10.37 | 10.37 | -0.86% | 710,754 |
| Apr 20, 2026 | 10.50 | 10.69 | 10.43 | 10.46 | 10.46 | -1.13% | 748,701 |
| Apr 17, 2026 | 10.66 | 10.79 | 10.51 | 10.58 | 10.58 | 1.24% | 1,744,964 |
| Apr 16, 2026 | 10.62 | 10.70 | 10.28 | 10.45 | 10.45 | -1.60% | 785,274 |
| Apr 15, 2026 | 10.48 | 10.89 | 10.48 | 10.62 | 10.62 | -5.93% | 929,417 |
| Apr 14, 2026 | 11.41 | 11.53 | 11.27 | 11.29 | 11.29 | -1.05% | 550,417 |
| Apr 13, 2026 | 11.09 | 11.50 | 11.05 | 11.41 | 11.41 | 2.70% | 820,888 |
| Apr 10, 2026 | 11.00 | 11.27 | 11.00 | 11.11 | 11.11 | 0.45% | 381,127 |
| Apr 9, 2026 | 10.72 | 11.12 | 10.67 | 11.06 | 11.06 | 3.17% | 855,985 |
| Apr 8, 2026 | 10.81 | 10.91 | 10.61 | 10.72 | 10.72 | 3.78% | 714,269 |
| Apr 7, 2026 | 10.28 | 10.45 | 10.25 | 10.33 | 10.33 | -0.86% | 486,117 |
| Apr 6, 2026 | 10.34 | 10.44 | 10.20 | 10.42 | 10.42 | 2.16% | 514,954 |
| Apr 2, 2026 | 10.02 | 10.41 | 9.85 | 10.20 | 10.20 | -0.20% | 1,097,921 |
| Apr 1, 2026 | 10.30 | 10.31 | 10.07 | 10.22 | 10.22 | 1.49% | 695,211 |
| Mar 31, 2026 | 9.97 | 10.17 | 9.82 | 10.07 | 10.07 | 2.65% | 871,970 |
| Mar 30, 2026 | 10.00 | 10.02 | 9.76 | 9.81 | 9.81 | -0.61% | 655,348 |
| Mar 27, 2026 | 9.87 | 9.98 | 9.76 | 9.87 | 9.87 | -0.70% | 549,190 |
| Mar 26, 2026 | 10.09 | 10.21 | 9.86 | 9.94 | 9.94 | -1.97% | 445,062 |
| Mar 25, 2026 | 10.36 | 10.43 | 9.99 | 10.14 | 10.14 | -0.29% | 493,272 |
| Mar 24, 2026 | 10.02 | 10.51 | 9.97 | 10.17 | 10.17 | 0.49% | 1,115,446 |
| Mar 23, 2026 | 9.77 | 10.16 | 9.51 | 10.12 | 10.12 | 6.98% | 1,996,436 |
| Mar 20, 2026 | 9.79 | 9.86 | 9.35 | 9.46 | 9.46 | -2.77% | 1,899,113 |
| Mar 19, 2026 | 9.76 | 9.91 | 9.65 | 9.73 | 9.73 | -1.82% | 797,460 |
| Mar 18, 2026 | 10.10 | 10.26 | 9.89 | 9.91 | 9.91 | -2.75% | 698,585 |
| Mar 17, 2026 | 10.32 | 10.39 | 10.10 | 10.19 | 10.19 | -0.68% | 599,184 |
| Mar 16, 2026 | 10.24 | 10.37 | 10.12 | 10.26 | 10.26 | 2.09% | 604,896 |
| Mar 13, 2026 | 10.28 | 10.46 | 9.89 | 10.05 | 10.05 | -1.86% | 813,713 |
| Mar 12, 2026 | 10.53 | 10.64 | 10.13 | 10.24 | 10.24 | -5.01% | 831,214 |
| Mar 11, 2026 | 10.82 | 10.89 | 10.60 | 10.78 | 10.78 | -0.83% | 656,839 |
| Mar 10, 2026 | 11.12 | 11.22 | 10.77 | 10.87 | 10.87 | -2.25% | 1,013,844 |
| Mar 9, 2026 | 10.87 | 11.61 | 10.35 | 11.12 | 11.12 | 4.81% | 1,763,144 |
| Mar 6, 2026 | 10.67 | 10.81 | 10.38 | 10.61 | 10.61 | -1.12% | 905,456 |
| Mar 5, 2026 | 10.60 | 10.78 | 10.54 | 10.73 | 10.73 | 0.09% | 870,179 |
| Mar 4, 2026 | 10.40 | 10.81 | 10.21 | 10.72 | 10.72 | 4.89% | 928,411 |
| Mar 3, 2026 | 10.01 | 10.24 | 9.59 | 10.22 | 10.22 | -0.39% | 1,702,701 |
| Mar 2, 2026 | 10.29 | 10.36 | 9.85 | 10.26 | 10.26 | -1.63% | 940,752 |
| Feb 27, 2026 | 10.46 | 10.79 | 10.03 | 10.43 | 10.43 | - | 1,196,606 |
| Feb 26, 2026 | 11.45 | 11.97 | 10.22 | 10.43 | 10.43 | -35.30% | 4,519,644 |
| Feb 25, 2026 | 16.18 | 16.18 | 15.77 | 16.12 | 16.12 | 0.31% | 459,531 |
| Feb 24, 2026 | 16.11 | 16.16 | 15.80 | 16.07 | 16.07 | 0.06% | 299,907 |
| Feb 23, 2026 | 16.13 | 16.27 | 15.71 | 16.06 | 16.06 | -1.11% | 369,146 |
| Feb 20, 2026 | 16.03 | 16.30 | 15.89 | 16.24 | 16.24 | 1.18% | 272,239 |
| Feb 19, 2026 | 15.76 | 16.12 | 15.74 | 16.05 | 16.05 | 1.90% | 279,699 |
| Feb 18, 2026 | 15.88 | 16.00 | 15.66 | 15.75 | 15.75 | -0.88% | 291,434 |