14.42
price up icon0.77%   0.11
after-market After Hours: 14.42
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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 05, 2025, is $14.42.
  • 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 596.62% to $14.42 now.
  • The 52-week high stock price for ERII is $20.27, representing a 40.57% increase from the current share price, occurred on November 08, 2024.
  • The 52-week low stock price for ERII is $10.86, indicating a -24.69% decrease from the current share price, occurred on May 08, 2025.
  • The closing price of Energy Recovery Inc (ERII) stock in the beginning of 2024 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:
Date High Low High - Low Volume % Change
Sep 05, 2025 $14.57 $14.26 $0.31 325,647.0 +0.77%
Sep 04, 2025 $14.37 $13.92 $0.445 487,543.0 +1.49%
Sep 03, 2025 $14.47 $14.09 $0.385 564,273.0 -1.67%
Sep 02, 2025 $14.39 $14.06 $0.33 438,918.0 +0.91%
Aug 29, 2025 $14.42 $14.10 $0.325 210,455.0 -1.39%
Aug 28, 2025 $14.57 $14.34 $0.23 295,552.0 -1.10%
Aug 27, 2025 $14.60 $14.41 $0.19 318,483.0 +0.34%
Aug 26, 2025 $14.76 $14.48 $0.275 305,553.0 +0.21%
Aug 25, 2025 $14.71 $14.49 $0.215 238,623.0 -1.63%
Aug 22, 2025 $14.82 $14.19 $0.631 328,924.0 +3.81%
Aug 21, 2025 $14.73 $14.00 $0.73 315,338.0 -1.05%
Aug 20, 2025 $14.44 $14.20 $0.245 410,673.0 -0.55%
Aug 19, 2025 $14.55 $14.28 $0.27 337,826.0 +1.19%
Aug 18, 2025 $14.30 $14.11 $0.1855 452,183.0 +0.49%
Aug 15, 2025 $14.54 $14.03 $0.51 377,312.0 -2.14%
Aug 14, 2025 $14.72 $14.33 $0.39 480,499.0 -0.89%
Aug 13, 2025 $14.69 $14.29 $0.405 481,103.0 +2.24%
Aug 12, 2025 $14.44 $13.95 $0.49 581,579.0 +2.95%
Aug 11, 2025 $14.39 $13.84 $0.555 559,178.0 -2.11%
Aug 08, 2025 $14.71 $14.06 $0.645 450,256.0 -3.14%

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 2025

Month High Low High - Low Volume % Change
Sep, 2025 $14.57 $13.92 $0.65 2,142,028.0 +1.48%
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%

Energy Recovery Inc Stock (ERII) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $19.66 $17.65 $2.01 6,872,048.0 -1.15%
Nov, 2023 $19.94 $14.06 $5.88 11,138,513.0 +25.39%
Oct, 2023 $21.32 $14.04 $7.28 13,717,489.0 -28.34%
Sep, 2023 $27.39 $20.50 $6.89 9,413,001.0 -21.96%
Aug, 2023 $30.61 $22.88 $7.73 10,286,799.0 -10.83%
Jul, 2023 $30.76 $27.21 $3.55 6,992,997.0 +9.05%
Jun, 2023 $29.71 $23.76 $5.95 8,795,707.0 +17.39%
May, 2023 $25.64 $21.78 $3.86 7,489,916.0 +5.68%
Apr, 2023 $25.09 $22.12 $2.96 7,444,900.0 -2.26%
Mar, 2023 $24.18 $20.87 $3.31 7,759,224.0 +4.44%
Feb, 2023 $23.13 $20.72 $2.41 6,738,884.0 -0.27%
Jan, 2023 $22.30 $19.68 $2.62 4,999,927.0 +8.00%
$10.73
price down icon 2.72%
pollution_treatment_controls ARQ
$7.08
price down icon 1.67%
$2.87
price down icon 0.69%
$0.3939
price up icon 8.18%
$47.17
price down icon 3.28%
Cap:     |  Volume (24h):