16.41
price down icon2.38%   -0.40
after-market After Hours: 16.41
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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 November 04, 2025, is $16.41.
  • 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 692.75% to $16.41 now.
  • The 52-week high stock price for ERII is $20.27, representing a 23.52% increase from the current share price, occurred on November 08, 2024.
  • The 52-week low stock price for ERII is $10.86, indicating a -33.82% 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
Nov 04, 2025 $16.82 $16.34 $0.48 339,576.0 -2.38%
Nov 03, 2025 $17.11 $16.80 $0.305 402,203.0 -1.75%
Oct 31, 2025 $17.20 $16.93 $0.27 335,275.0 -0.12%
Oct 30, 2025 $17.23 $16.95 $0.28 220,779.0 -0.23%
Oct 29, 2025 $17.53 $16.99 $0.54 280,222.0 -1.32%
Oct 28, 2025 $17.64 $17.24 $0.40 321,121.0 -1.08%
Oct 27, 2025 $18.32 $17.47 $0.8509 291,188.0 -2.87%
Oct 24, 2025 $18.31 $17.79 $0.52 309,161.0 +1.34%
Oct 23, 2025 $17.89 $17.27 $0.6218 409,466.0 +3.77%
Oct 22, 2025 $17.26 $16.91 $0.35 392,764.0 +0.35%
Oct 21, 2025 $17.22 $16.61 $0.61 556,359.0 +0.76%
Oct 20, 2025 $17.09 $16.77 $0.32 466,948.0 +1.61%
Oct 17, 2025 $16.88 $16.53 $0.35 457,893.0 -0.09%
Oct 16, 2025 $16.83 $16.36 $0.47 564,499.0 +2.66%
Oct 15, 2025 $16.38 $15.77 $0.61 436,577.0 +3.81%
Oct 14, 2025 $15.85 $15.35 $0.50 271,155.0 +1.16%
Oct 13, 2025 $15.58 $15.24 $0.3439 294,856.0 +1.90%
Oct 10, 2025 $15.43 $15.18 $0.255 364,192.0 -0.33%
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%

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
Nov, 2025 $17.11 $16.34 $0.77 1,081,355.0 -4.09%
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%

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%
$13.93
price up icon 0.14%
pollution_treatment_controls ARQ
$6.41
price down icon 2.88%
$2.52
price down icon 4.55%
$0.3872
price down icon 4.40%
pollution_treatment_controls PCT
$10.12
price down icon 7.16%
Cap:     |  Volume (24h):