Energy Recovery Inc. (ERII)

Showing Closing Date Range from Jul 31 to Oct 29, 2026 compared to May 1 to Jul 30, 2026.

Compare Last 3 Months with Previous Period

Current Period Close
$7.12
Jul 31, 2026 - Oct 29, 2026
Previous Period Close
$8.43
May 01, 2026 - Jul 30, 2026
Net Comparison Delta
$-1.31 (-15.54%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(60 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 29, 2026$7.12Jul 28, 2026$8.40-15.24%
Oct 28, 2026$6.95Jul 27, 2026$8.52-18.43%
Oct 27, 2026$6.86Jul 24, 2026$8.42-18.53%
Oct 26, 2026$6.79Jul 23, 2026$8.41-19.26%
Oct 23, 2026$6.68Jul 22, 2026$8.54-21.78%
Oct 22, 2026$6.67Jul 21, 2026$8.62-22.62%
Oct 21, 2026$6.65Jul 20, 2026$8.48-21.58%
Oct 20, 2026$6.64Jul 17, 2026$8.62-22.97%
Oct 19, 2026$6.66Jul 16, 2026$8.70-23.45%
Oct 16, 2026$6.65Jul 15, 2026$8.62-22.85%
Oct 15, 2026$6.64Jul 14, 2026$8.66-23.33%
Oct 14, 2026$6.71Jul 13, 2026$8.66-22.52%
Oct 13, 2026$6.85Jul 10, 2026$8.73-21.53%
Oct 12, 2026$6.87Jul 09, 2026$8.93-23.12%
Oct 09, 2026$6.84Jul 08, 2026$8.62-20.65%
Page 1 of 4