
Energy Recovery Inc. (ERII)
Showing Closing Date Range from Oct 20 to Oct 27, 2026 compared to Oct 12 to Oct 19, 2026.
Compare Last 7 Days with Previous Period
Investor Relations:ir.energyrecovery.com
Current Period Close
$6.86
Oct 20, 2026 - Oct 27, 2026
Previous Period Close
$6.66
Oct 12, 2026 - Oct 19, 2026
Net Comparison Delta
+$0.20 (+3.00%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 27, 2026 | $6.86 | Oct 19, 2026 | $6.66 | +3.00% |
| Oct 26, 2026 | $6.79 | Oct 16, 2026 | $6.65 | +2.11% |
| Oct 23, 2026 | $6.68 | Oct 15, 2026 | $6.64 | +0.60% |
| Oct 22, 2026 | $6.67 | Oct 14, 2026 | $6.71 | -0.60% |
| Oct 21, 2026 | $6.65 | Oct 13, 2026 | $6.85 | -2.92% |
| Oct 20, 2026 | $6.64 | Oct 12, 2026 | $6.87 | -3.28% |