Energy Recovery, Inc. ERII
7.27 USD +0.10 (+1.39%)
Regular-session close
7.27 0.00 0.00%
After hours · Nov 13, 4:26 PM ET
7.09 Day range 7.31
6.64 52-week range 16.24
- YTD
- -46.11%
- 1 year
- -49.97%
ERII price history
| Date | Open | High | Low | Close | Change | Change % | Volume |
|---|---|---|---|---|---|---|---|
| Nov 13, 2026 | 7.21 | 7.31 | 7.09 | 7.27 | +0.10 | +1.39% | 785,634 |
| Nov 12, 2026 | 7.30 | 7.35 | 7.14 | 7.17 | -0.16 | -2.18% | 756,493 |
| Nov 11, 2026 | 7.40 | 7.40 | 7.22 | 7.33 | 0.00 | 0.00% | 814,621 |
| Nov 10, 2026 | 7.38 | 7.44 | 7.19 | 7.33 | -0.06 | -0.81% | 701,100 |
| Nov 9, 2026 | 7.26 | 7.72 | 7.26 | 7.39 | +0.24 | +3.36% | 1,562,800 |
| Nov 6, 2026 | 6.80 | 7.20 | 6.77 | 7.15 | +0.44 | +6.56% | 1,255,300 |
| Nov 5, 2026 | 6.53 | 7.21 | 6.25 | 6.71 | -0.46 | -6.42% | 1,956,700 |
| Nov 4, 2026 | 7.28 | 7.33 | 6.99 | 7.17 | 0.00 | 0.00% | 1,137,900 |
| Nov 3, 2026 | 7.23 | 7.23 | 7.08 | 7.17 | -0.01 | -0.14% | 725,300 |
| Nov 2, 2026 | 7.04 | 7.30 | 7.02 | 7.18 | +0.22 | +3.16% | 1,139,100 |
| Oct 30, 2026 | 7.06 | 7.09 | 6.92 | 6.96 | -0.16 | -2.25% | 1,251,200 |
| Oct 29, 2026 | 6.95 | 7.12 | 6.94 | 7.12 | +0.17 | +2.45% | 703,300 |
| Oct 28, 2026 | 6.89 | 6.95 | 6.78 | 6.95 | +0.09 | +1.31% | 651,000 |
| Oct 27, 2026 | 6.81 | 6.92 | 6.76 | 6.86 | +0.07 | +1.03% | 988,500 |
| Oct 26, 2026 | 6.68 | 6.82 | 6.61 | 6.79 | +0.11 | +1.65% | 771,800 |
| Oct 23, 2026 | 6.62 | 6.83 | 6.55 | 6.68 | +0.01 | +0.15% | 732,800 |
| Oct 22, 2026 | 6.60 | 6.74 | 6.56 | 6.67 | +0.02 | +0.30% | 913,300 |
| Oct 21, 2026 | 6.72 | 6.76 | 6.60 | 6.65 | +0.01 | +0.15% | 616,300 |
| Oct 20, 2026 | 6.65 | 6.79 | 6.60 | 6.64 | -0.02 | -0.30% | 772,600 |
| Oct 19, 2026 | 6.70 | 6.72 | 6.58 | 6.66 | +0.01 | +0.15% | 572,400 |
| Oct 16, 2026 | 6.66 | 6.81 | 6.62 | 6.65 | +0.01 | +0.15% | 888,200 |
| Oct 15, 2026 | 6.74 | 6.78 | 6.64 | 6.64 | -0.07 | -1.04% | 585,200 |
| Oct 14, 2026 | 6.75 | 6.80 | 6.64 | 6.71 | -0.14 | -2.04% | 655,300 |
| Oct 13, 2026 | 6.85 | 6.89 | 6.67 | 6.85 | -0.02 | -0.29% | 721,800 |
| Oct 12, 2026 | 6.84 | 6.93 | 6.80 | 6.87 | +0.03 | +0.44% | 476,100 |
| Oct 9, 2026 | 6.84 | 6.88 | 6.73 | 6.84 | 0.00 | 0.00% | 461,600 |
| Oct 8, 2026 | 6.76 | 6.92 | 6.69 | 6.84 | +0.11 | +1.63% | 1,149,900 |
| Oct 7, 2026 | 6.94 | 6.95 | 6.63 | 6.73 | -0.35 | -4.94% | 689,000 |
| Oct 6, 2026 | 6.90 | 7.15 | 6.87 | 7.08 | +0.25 | +3.66% | 1,389,200 |
| Oct 5, 2026 | 6.75 | 6.84 | 6.63 | 6.83 | +0.06 | +0.89% | 872,100 |
| Oct 2, 2026 | 6.81 | 6.83 | 6.71 | 6.77 | +0.07 | +1.04% | 618,200 |
| Oct 1, 2026 | 6.68 | 6.77 | 6.60 | 6.70 | +0.03 | +0.45% | 725,500 |
| Sep 30, 2026 | 6.75 | 6.78 | 6.66 | 6.67 | -0.08 | -1.19% | 824,600 |
| Sep 29, 2026 | 6.75 | 6.82 | 6.70 | 6.75 | +0.03 | +0.45% | 689,500 |
| Sep 28, 2026 | 6.78 | 6.79 | 6.60 | 6.72 | -0.09 | -1.32% | 931,400 |
| Sep 25, 2026 | 6.83 | 6.90 | 6.77 | 6.81 | -0.02 | -0.29% | 681,700 |
| Sep 24, 2026 | 6.76 | 6.84 | 6.69 | 6.83 | +0.03 | +0.44% | 800,500 |
| Sep 23, 2026 | 7.06 | 7.06 | 6.78 | 6.80 | -0.32 | -4.49% | 777,600 |
| Sep 22, 2026 | 7.06 | 7.14 | 6.95 | 7.12 | +0.09 | +1.28% | 754,100 |
| Sep 21, 2026 | 7.00 | 7.07 | 6.91 | 7.03 | +0.04 | +0.57% | 977,800 |
| Sep 18, 2026 | 6.97 | 7.06 | 6.89 | 6.99 | -0.06 | -0.85% | 1,947,800 |
| Sep 17, 2026 | 7.19 | 7.20 | 6.96 | 7.05 | -0.05 | -0.70% | 656,400 |
| Sep 16, 2026 | 7.08 | 7.33 | 7.05 | 7.10 | +0.04 | +0.57% | 912,700 |
| Sep 15, 2026 | 7.11 | 7.12 | 6.90 | 7.06 | -0.03 | -0.42% | 1,293,300 |
| Sep 14, 2026 | 7.18 | 7.27 | 6.93 | 7.09 | -0.46 | -6.09% | 2,015,100 |
| Sep 11, 2026 | 7.39 | 7.59 | 7.33 | 7.55 | +0.28 | +3.85% | 928,800 |
| Sep 10, 2026 | 7.35 | 7.42 | 7.25 | 7.27 | -0.11 | -1.49% | 810,700 |
| Sep 9, 2026 | 7.64 | 7.68 | 7.33 | 7.38 | -0.32 | -4.16% | 922,700 |
| Sep 8, 2026 | 7.57 | 7.79 | 7.49 | 7.70 | +0.07 | +0.92% | 1,140,800 |
| Sep 4, 2026 | 7.62 | 7.75 | 7.60 | 7.63 | -0.02 | -0.26% | 642,900 |
| Sep 3, 2026 | 7.64 | 7.72 | 7.53 | 7.65 | +0.07 | +0.92% | 802,400 |
| Sep 2, 2026 | 7.75 | 7.76 | 7.53 | 7.58 | -0.15 | -1.94% | 945,700 |
| Sep 1, 2026 | 7.65 | 7.77 | 7.60 | 7.73 | +0.02 | +0.26% | 1,293,400 |
| Aug 31, 2026 | 7.73 | 7.80 | 7.63 | 7.71 | -0.06 | -0.77% | 3,244,400 |
| Aug 28, 2026 | 7.92 | 8.05 | 7.76 | 7.77 | -0.13 | -1.65% | 683,800 |
| Aug 27, 2026 | 7.90 | 7.96 | 7.76 | 7.90 | -0.04 | -0.50% | 566,900 |
| Aug 26, 2026 | 7.86 | 8.02 | 7.82 | 7.94 | +0.09 | +1.15% | 682,600 |
| Aug 25, 2026 | 7.84 | 7.90 | 7.74 | 7.85 | +0.05 | +0.64% | 583,700 |
| Aug 24, 2026 | 7.90 | 7.90 | 7.63 | 7.80 | -0.10 | -1.27% | 811,200 |
| Aug 21, 2026 | 7.82 | 7.94 | 7.76 | 7.90 | +0.15 | +1.94% | 506,000 |
| Aug 20, 2026 | 7.79 | 7.86 | 7.58 | 7.75 | -0.16 | -2.02% | 1,019,200 |
| Aug 19, 2026 | 7.86 | 8.00 | 7.78 | 7.91 | +0.03 | +0.38% | 889,900 |
| Aug 18, 2026 | 8.06 | 8.12 | 7.74 | 7.88 | -0.26 | -3.19% | 1,003,600 |
| Aug 17, 2026 | 8.35 | 8.38 | 8.09 | 8.14 | -0.21 | -2.51% | 1,177,600 |
| Aug 14, 2026 | 7.91 | 8.39 | 7.76 | 8.35 | +0.53 | +6.78% | 1,353,800 |
65 days, newest first. Daily bars as drawn on the ERII chart; change is against the previous day's close. Open, high, low and volume are in the download and on a wider screen.