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

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 DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 27, 2026$6.86Oct 19, 2026$6.66+3.00%
Oct 26, 2026$6.79Oct 16, 2026$6.65+2.11%
Oct 23, 2026$6.68Oct 15, 2026$6.64+0.60%
Oct 22, 2026$6.67Oct 14, 2026$6.71-0.60%
Oct 21, 2026$6.65Oct 13, 2026$6.85-2.92%
Oct 20, 2026$6.64Oct 12, 2026$6.87-3.28%