15.32
price down icon0.78%   -0.12
after-market After Hours: 15.32
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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 October 09, 2025, is $15.32.
  • 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 640.10% to $15.32 now.
  • The 52-week high stock price for ERII is $20.27, representing a 32.31% increase from the current share price, occurred on November 08, 2024.
  • The 52-week low stock price for ERII is $10.86, indicating a -29.11% 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
Oct 09, 2025 $15.79 $15.29 $0.50 647,177.0 -0.78%
Oct 08, 2025 $15.69 $15.35 $0.335 464,583.0 -0.83%
Oct 07, 2025 $15.89 $15.43 $0.46 291,540.0 -1.39%
Oct 06, 2025 $15.86 $15.62 $0.2375 292,003.0 +0.13%
Oct 03, 2025 $16.28 $15.75 $0.53 465,233.0 -0.63%
Oct 02, 2025 $15.94 $15.68 $0.255 347,837.0 +0.19%
Oct 01, 2025 $15.85 $15.21 $0.635 371,492.0 +2.72%
Sep 30, 2025 $15.45 $15.23 $0.22 324,945.0 +0.46%
Sep 29, 2025 $15.47 $15.14 $0.33 496,571.0 +0.20%
Sep 26, 2025 $15.45 $15.07 $0.38 488,990.0 +0.52%
Sep 25, 2025 $15.27 $14.89 $0.379 435,587.0 -0.26%
Sep 24, 2025 $15.33 $15.00 $0.33 388,050.0 +1.46%
Sep 23, 2025 $15.36 $14.98 $0.38 387,275.0 +0.74%
Sep 22, 2025 $15.04 $14.51 $0.535 395,966.0 +1.77%
Sep 19, 2025 $15.03 $14.58 $0.45 1,136,452.0 -2.97%
Sep 18, 2025 $15.22 $14.53 $0.695 500,266.0 +3.70%
Sep 17, 2025 $14.94 $14.52 $0.42 633,517.0 -0.14%
Sep 16, 2025 $14.85 $14.51 $0.34 665,370.0 +0.48%
Sep 15, 2025 $14.63 $14.20 $0.435 397,088.0 +1.32%
Sep 12, 2025 $14.51 $14.28 $0.23 258,761.0 -1.17%
Sep 11, 2025 $14.65 $14.40 $0.245 369,266.0 -0.41%
Sep 10, 2025 $14.59 $14.20 $0.39 360,613.0 +1.46%
Sep 09, 2025 $14.55 $14.06 $0.49 508,449.0 -1.37%

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
Oct, 2025 $16.28 $15.21 $1.07 3,526,250.0 -0.65%
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%

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%
$15.84
price down icon 6.55%
pollution_treatment_controls ARQ
$6.80
price down icon 3.00%
$3.03
price down icon 1.62%
$0.599
price down icon 14.43%
$50.01
price down icon 3.88%
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