stockNASDAQ: ERII • 6 Months Updates

Energy Recovery Inc. (ERII) 6 Months

Showing Closing Date Range from Apr 17 to Oct 14, 2026.

Price & Performance Trajectory

Energy Recovery Inc.NASDAQ: ERII

Latest Close
$6.71
-36.58%
6 Months Updates Trajectory
Showing Closing Date Range from Apr 17 to Oct 14, 2026.
Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesERII session performance
✓ Latest Close USD
$6.71
Latest session close
$-3.87vs period start
Period Return % % GAIN
-36.58%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$11.72 / $6.63
Period range envelope
$5.09channel spread
Total Volume SHARES
126.13M
Period turnover
Avg: 1.04M/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(121 dates)
DateClose (USD)Return %HighLowVolume
Oct 14, 2026$6.71-2.04% $6.80$6.64655.2K
Oct 13, 2026$6.85-0.22% $6.89$6.67721.8K
Oct 12, 2026$6.87+0.37% $6.93$6.80476.1K
Oct 09, 2026$6.84+0.00% $6.88$6.73461.4K
Oct 08, 2026$6.84+1.63% $6.92$6.711.15M
Oct 07, 2026$6.73-4.94% $6.95$6.63689.0K
Oct 06, 2026$7.08+3.66% $7.15$6.871.39M
Oct 05, 2026$6.83+0.89% $6.84$6.63872.1K
Oct 02, 2026$6.77+1.04% $6.83$6.72618.1K
Sep 25, 2026$6.81-0.29% $6.90$6.77681.7K
Sep 24, 2026$6.83+0.44% $6.84$6.69800.5K
Sep 23, 2026$6.80-4.49% $7.06$6.78777.6K
Sep 22, 2026$7.12+1.28% $7.14$6.95754.1K
Sep 21, 2026$7.03+0.57% $7.07$6.91977.8K
Sep 18, 2026$6.99-0.85% $7.06$6.891.95M
Page 1 of 9