price
ER
NASDAQ · ERII
Energy Recovery, Inc.
Industrials · Industrial - Pollution & Treatment Controls
$7.90
Up+$0.15 (+1.94%)
Updated Aug 22, 2026, 8:42 PM
SID Score
3.4/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 773.39M
- P/E ratio
- 39.76
- Dividend yield
- 0.00%
- 52-week range
- $7.51 – $11.72
- Volume
- 506.16K
- Avg. volume
- 512.62K
Price performance
ERII price history
1M range · 21 trading sessions · Daily adjusted prices
ERII closed at $7.90 after 21 trading sessions, down 6.18% for the selected period.
- Last close
- $7.90
- Period change
- -6.18%
- Period low
- $7.72
- Period high
- $9.12
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Aug 21, 2026 | $7.82 | $7.94 | $7.76 | $7.90 | 506.16K |
| Aug 20, 2026 | $7.79 | $7.8563 | $7.58 | $7.75 | 1.02M |
| Aug 19, 2026 | $7.86 | $8.00 | $7.78 | $7.905 | 889.93K |
| Aug 18, 2026 | $8.06 | $8.12 | $7.735 | $7.88 | 1M |
| Aug 17, 2026 | $8.35 | $8.375 | $8.09 | $8.14 | 1.18M |
| Aug 14, 2026 | $7.91 | $8.39 | $7.755 | $8.35 | 1.35M |
| Aug 13, 2026 | $7.76 | $7.84 | $7.51 | $7.82 | 1.28M |
| Aug 12, 2026 | $7.77 | $7.93 | $7.74 | $7.78 | 714.92K |
| Aug 11, 2026 | $7.99 | $8.05 | $7.705 | $7.72 | 1.16M |
| Aug 10, 2026 | $8.70 | $8.73 | $7.87 | $7.99 | 913.83K |
| Aug 7, 2026 | $8.86 | $8.915 | $8.565 | $8.68 | 976.28K |
| Aug 6, 2026 | $8.355 | $8.805 | $8.31 | $8.73 | 1.33M |
| Aug 5, 2026 | $9.11 | $9.34 | $8.80 | $8.86 | 914.84K |
| Aug 4, 2026 | $9.03 | $9.165 | $8.87 | $9.12 | 951.17K |
| Aug 3, 2026 | $8.79 | $8.92 | $8.56 | $8.91 | 1.28M |
| Jul 31, 2026 | $8.50 | $8.66 | $8.31 | $8.65 | 1.45M |
| Jul 30, 2026 | $8.28 | $8.46 | $8.16 | $8.43 | 847.45K |
| Jul 29, 2026 | $8.30 | $8.39 | $7.855 | $8.14 | 1.51M |
| Jul 28, 2026 | $8.56 | $8.73 | $8.35 | $8.40 | 688.16K |
| Jul 27, 2026 | $8.45 | $8.66 | $8.365 | $8.52 | 767.38K |
| Jul 24, 2026 | $8.46 | $8.56 | $8.36 | $8.42 | 514.14K |
Latest ERII news
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