Energy Recovery Inc. (ERII)
Showing Closing Date Range from May 7 to Nov 3, 2026 compared to Nov 7, 2025 to May 6, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:ir.energyrecovery.com
Current Period Close
$7.17
May 07, 2026 - Nov 03, 2026
Previous Period Close
$11.61
Nov 07, 2025 - May 06, 2026
Net Comparison Delta
$-4.44 (-38.24%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(121 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Nov 03, 2026 | $7.17 | May 04, 2026 | $11.00 | -34.82% |
| Nov 02, 2026 | $7.18 | May 01, 2026 | $11.04 | -34.96% |
| Oct 30, 2026 | $6.96 | Apr 30, 2026 | $11.07 | -37.13% |
| Oct 29, 2026 | $7.12 | Apr 29, 2026 | $10.70 | -33.46% |
| Oct 28, 2026 | $6.95 | Apr 28, 2026 | $11.09 | -37.33% |
| Oct 27, 2026 | $6.86 | Apr 27, 2026 | $11.05 | -37.92% |
| Oct 26, 2026 | $6.79 | Apr 24, 2026 | $11.28 | -39.80% |
| Oct 23, 2026 | $6.68 | Apr 23, 2026 | $11.01 | -39.33% |
| Oct 22, 2026 | $6.67 | Apr 22, 2026 | $10.81 | -38.30% |
| Oct 21, 2026 | $6.65 | Apr 21, 2026 | $10.37 | -35.87% |
| Oct 20, 2026 | $6.64 | Apr 20, 2026 | $10.46 | -36.52% |
| Oct 19, 2026 | $6.66 | Apr 17, 2026 | $10.58 | -37.05% |
| Oct 16, 2026 | $6.65 | Apr 16, 2026 | $10.45 | -36.36% |
| Oct 15, 2026 | $6.64 | Apr 15, 2026 | $10.62 | -37.48% |
| Oct 14, 2026 | $6.71 | Apr 14, 2026 | $11.29 | -40.57% |
Page 1 of 9