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7.12
1.28%
0.09
Pre-market:
7.13
0.010
+0.14%
Energy Recovery Inc Stock (ERII) Price History
The historical daily chart and data for Energy Recovery Inc stock (ERII), show that the latest closing stock price as of September 22, 2026, is $7.12.
- Energy Recovery Inc all-time high stock price is $30.76, occurred on July 19, 2023.
- The lowest Energy Recovery Inc stock price recorded was $2.07 on September 30, 2015. Since then, Energy Recovery Inc's stock price has risen over 243.96% to $7.12 now.
- The 52-week high stock price for ERII is $18.32, representing a 157.30% increase from the current share price, occurred on October 27, 2025.
- The 52-week low stock price for ERII is $7.25, indicating a 1.83% decrease from the current share price, occurred on September 10, 2026.
- The closing price of Energy Recovery Inc (ERII) stock in the beginning of 2025 was $21.51. The stock closed the year at $20.49, a loss of over -4.74% for the year.
The table below shows more information about ERII historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Sep 22, 2026 | $7.13 | $6.95 | $0.185 | 754,071.0 | +1.28% |
| Sep 21, 2026 | $7.07 | $6.91 | $0.16 | 977,121.0 | +0.57% |
| Sep 18, 2026 | $7.06 | $6.88 | $0.175 | 1,947,768.0 | -0.85% |
| Sep 17, 2026 | $7.20 | $6.96 | $0.249 | 656,420.0 | -0.70% |
| Sep 16, 2026 | $7.33 | $7.05 | $0.275 | 912,706.0 | +0.57% |
| Sep 15, 2026 | $7.12 | $6.89 | $0.2244 | 1,293,156.0 | -0.42% |
| Sep 14, 2026 | $7.27 | $6.93 | $0.34 | 2,002,715.0 | -6.09% |
| Sep 11, 2026 | $7.59 | $7.33 | $0.265 | 928,823.0 | +3.85% |
| Sep 10, 2026 | $7.42 | $7.25 | $0.165 | 810,715.0 | -1.49% |
| Sep 09, 2026 | $7.68 | $7.33 | $0.35 | 922,706.0 | -4.16% |
| Sep 08, 2026 | $7.79 | $7.49 | $0.30 | 1,140,371.0 | +0.92% |
| Sep 04, 2026 | $7.75 | $7.60 | $0.15 | 642,883.0 | -0.26% |
| Sep 03, 2026 | $7.72 | $7.53 | $0.19 | 802,366.0 | +0.92% |
| Sep 02, 2026 | $7.76 | $7.53 | $0.23 | 945,652.0 | -1.94% |
| Sep 01, 2026 | $7.77 | $7.60 | $0.17 | 1,293,223.0 | +0.26% |
| Aug 31, 2026 | $7.80 | $7.62 | $0.175 | 3,246,218.0 | -0.77% |
| Aug 28, 2026 | $8.05 | $7.76 | $0.29 | 683,788.0 | -1.65% |
| Aug 27, 2026 | $7.96 | $7.76 | $0.195 | 566,859.0 | -0.50% |
| Aug 26, 2026 | $8.02 | $7.82 | $0.195 | 682,568.0 | +1.15% |
| Aug 25, 2026 | $7.89 | $7.74 | $0.155 | 583,654.0 | +0.64% |
Energy Recovery Inc Stock (ERII) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Energy Recovery Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of ERII shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Energy Recovery Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Energy Recovery Inc Stock (ERII) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Sep, 2026 | $7.79 | $6.88 | $0.905 | 16,784,767.0 | -7.65% |
| Aug, 2026 | $9.34 | $7.51 | $1.83 | 22,038,879.0 | -10.87% |
| Jul, 2026 | $9.23 | $7.86 | $1.38 | 16,141,572.0 | -4.10% |
| Jun, 2026 | $9.91 | $7.83 | $2.08 | 23,905,100.0 | +10.40% |
| May, 2026 | $11.72 | $8.09 | $3.63 | 27,718,886.0 | -26.20% |
| Apr, 2026 | $11.53 | $9.85 | $1.68 | 18,162,172.0 | +9.93% |
| Mar, 2026 | $11.61 | $9.35 | $2.26 | 21,187,536.0 | -3.45% |
| Feb, 2026 | $16.30 | $10.03 | $6.27 | 10,826,346.0 | -28.51% |
| Jan, 2026 | $14.96 | $13.44 | $1.52 | 6,250,112.0 | +8.15% |
Energy Recovery Inc Stock (ERII) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $15.00 | $13.47 | $1.53 | 9,293,015.0 | -6.71% |
| Nov, 2025 | $17.36 | $13.27 | $4.09 | 13,566,156.0 | -15.55% |
| Oct, 2025 | $18.32 | $15.18 | $3.14 | 8,852,320.0 | +10.96% |
| Sep, 2025 | $15.47 | $13.92 | $1.55 | 10,001,077.0 | +8.52% |
| Aug, 2025 | $15.24 | $12.65 | $2.58 | 8,568,331.0 | +5.65% |
| Jul, 2025 | $14.04 | $12.54 | $1.50 | 8,182,532.0 | +5.24% |
| Jun, 2025 | $13.02 | $11.88 | $1.14 | 8,726,127.0 | +1.35% |
| May, 2025 | $15.96 | $10.86 | $5.10 | 13,172,698.0 | -18.38% |
| Apr, 2025 | $16.05 | $13.77 | $2.28 | 9,379,652.0 | -2.77% |
| Mar, 2025 | $16.86 | $14.90 | $1.96 | 9,191,034.0 | +6.22% |
| Feb, 2025 | $16.03 | $13.94 | $2.09 | 5,165,276.0 | +4.32% |
| Jan, 2025 | $15.45 | $13.80 | $1.65 | 5,187,909.0 | -2.45% |
Energy Recovery Inc Stock (ERII) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $17.44 | $14.50 | $2.94 | 7,553,527.0 | -5.40% |
| Nov, 2024 | $20.27 | $14.47 | $5.80 | 14,199,330.0 | -12.88% |
| Oct, 2024 | $19.11 | $16.19 | $2.92 | 7,514,756.0 | +2.70% |
| Sep, 2024 | $17.74 | $14.43 | $3.31 | 6,365,495.0 | +7.08% |
| Aug, 2024 | $18.36 | $15.23 | $3.13 | 10,204,929.0 | +11.39% |
| Jul, 2024 | $15.73 | $12.46 | $3.27 | 7,107,253.0 | +9.71% |
| Jun, 2024 | $14.74 | $12.26 | $2.48 | 7,098,590.0 | -1.56% |
| May, 2024 | $14.99 | $12.45 | $2.54 | 9,078,482.0 | -9.40% |
| Apr, 2024 | $15.95 | $13.41 | $2.54 | 7,261,025.0 | -5.64% |
| Mar, 2024 | $16.62 | $14.06 | $2.56 | 8,833,368.0 | +1.02% |
| Feb, 2024 | $16.25 | $13.95 | $2.30 | 10,187,433.0 | +0.77% |
| Jan, 2024 | $19.19 | $15.51 | $3.68 | 10,580,998.0 | -17.68% |
0.48%
4.32%
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