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6.65
0.15%
0.01
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 October 16, 2026, is $6.65.
- 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 221.26% to $6.65 now.
- The 52-week high stock price for ERII is $18.32, representing a 175.49% increase from the current share price, occurred on October 27, 2025.
- The 52-week low stock price for ERII is $6.60, indicating a -0.75% decrease from the current share price, occurred on September 28, 2026.
- The closing price of Energy Recovery Inc (ERII) stock in the beginning of 2025 was $14.89. The stock closed the year at $13.49, a loss of over -9.40% 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 |
|---|---|---|---|---|---|
| Oct 16, 2026 | $6.81 | $6.62 | $0.19 | 888,169.0 | +0.15% |
| Oct 15, 2026 | $6.78 | $6.63 | $0.14 | 585,261.0 | -1.04% |
| Oct 14, 2026 | $6.79 | $6.64 | $0.155 | 655,275.0 | -2.04% |
| Oct 13, 2026 | $6.88 | $6.67 | $0.215 | 721,833.0 | -0.22% |
| Oct 12, 2026 | $6.93 | $6.80 | $0.13 | 476,145.0 | +0.37% |
| Oct 09, 2026 | $6.88 | $6.73 | $0.15 | 461,599.0 | +0.00% |
| Oct 08, 2026 | $6.92 | $6.69 | $0.225 | 1,149,913.0 | +1.63% |
| Oct 07, 2026 | $6.95 | $6.63 | $0.3134 | 688,977.0 | -4.94% |
| Oct 06, 2026 | $7.14 | $6.87 | $0.275 | 1,389,240.0 | +3.66% |
| Oct 05, 2026 | $6.84 | $6.63 | $0.21 | 872,152.0 | +0.89% |
| Oct 02, 2026 | $6.83 | $6.71 | $0.115 | 618,164.0 | +1.04% |
| Oct 01, 2026 | $6.76 | $6.60 | $0.165 | 725,706.0 | +0.45% |
| Sep 30, 2026 | $6.78 | $6.66 | $0.115 | 824,637.0 | -1.19% |
| Sep 29, 2026 | $6.82 | $6.70 | $0.12 | 689,492.0 | +0.45% |
| Sep 28, 2026 | $6.79 | $6.60 | $0.19 | 931,383.0 | -1.32% |
| Sep 25, 2026 | $6.89 | $6.77 | $0.125 | 681,669.0 | -0.29% |
| Sep 24, 2026 | $6.84 | $6.69 | $0.15 | 800,471.0 | +0.44% |
| Sep 23, 2026 | $7.06 | $6.78 | $0.285 | 777,805.0 | -4.49% |
| Sep 22, 2026 | $7.13 | $6.95 | $0.185 | 754,236.0 | +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% |
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 |
|---|---|---|---|---|---|
| Oct, 2026 | $7.14 | $6.60 | $0.545 | 9,232,434.0 | -0.30% |
| Sep, 2026 | $7.79 | $6.60 | $1.19 | 20,736,318.0 | -13.49% |
| 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% |
1.57%
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