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Clearsign Technologies Corp Stock (CLIR) Price History

The historical daily chart and data for Clearsign Technologies Corp stock (CLIR), show that the latest closing stock price as of August 22, 2025, is $0.59.
  • Clearsign Technologies Corp all-time high stock price is $11.90, occurred on March 13, 2014.
  • The lowest Clearsign Technologies Corp stock price recorded was $0.35 on March 20, 2020. Since then, Clearsign Technologies Corp's stock price has risen over 68.57% to $0.59 now.
  • The 52-week high stock price for CLIR is $1.72, representing a 191.53% increase from the current share price, occurred on December 31, 2024.
  • The 52-week low stock price for CLIR is $0.459, indicating a -22.20% decrease from the current share price, occurred on April 07, 2025.
  • The closing price of Clearsign Technologies Corp (CLIR) stock in the beginning of 2024 was $1.47. The stock closed the year at $0.536, a loss of over -63.54% for the year.
The table below shows more information about CLIR historical price data:
Date High Low High - Low Volume % Change
Aug 22, 2025 $0.62 $0.5801 $0.0399 91,002.0 +2.63%
Aug 21, 2025 $0.58 $0.5529 $0.0271 100,805.0 +5.91%
Aug 20, 2025 $0.553 $0.5357 $0.0173 18,349.0 -1.49%
Aug 19, 2025 $0.553 $0.5159 $0.0371 43,735.0 -1.61%
Aug 18, 2025 $0.5868 $0.56 $0.0268 35,114.0 -0.37%
Aug 15, 2025 $0.60 $0.56 $0.04 76,336.0 -8.32%
Aug 14, 2025 $0.6199 $0.5772 $0.0427 66,515.0 +4.79%
Aug 13, 2025 $0.59 $0.549 $0.041 62,023.0 +10.38%
Aug 12, 2025 $0.5719 $0.5015 $0.0704 117,385.0 -1.83%
Aug 11, 2025 $0.5713 $0.53 $0.0413 80,030.0 -3.59%
Aug 08, 2025 $0.575 $0.547 $0.028 98,624.0 -0.30%
Aug 07, 2025 $0.5915 $0.54 $0.0515 58,916.0 -3.12%
Aug 06, 2025 $0.5799 $0.555 $0.0249 30,550.0 +5.05%
Aug 05, 2025 $0.569 $0.5363 $0.0327 59,871.0 +0.90%
Aug 04, 2025 $0.57 $0.541 $0.029 29,211.0 +0.39%
Aug 01, 2025 $0.58 $0.54 $0.04 45,097.0 -5.55%
Jul 31, 2025 $0.5968 $0.567 $0.0298 13,530.0 +1.75%
Jul 30, 2025 $0.6298 $0.5671 $0.0627 64,991.0 -4.71%
Jul 29, 2025 $0.65 $0.595 $0.055 53,542.0 -5.54%
Jul 28, 2025 $0.65 $0.61 $0.04 204,371.0 +5.78%
Jul 25, 2025 $0.6199 $0.5701 $0.0498 95,171.0 +1.73%
Jul 24, 2025 $0.599 $0.567 $0.032 72,691.0 +1.54%

Clearsign Technologies Corp Stock (CLIR) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Clearsign Technologies Corp stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of CLIR shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Clearsign Technologies Corp stock price history provides a foundation for understanding how the company's stock has evolved over time.

Clearsign Technologies Corp Stock (CLIR) Price History 2025

Month High Low High - Low Volume % Change
Aug, 2025 $0.62 $0.5015 $0.1185 1,104,565.0 +2.25%
Jul, 2025 $0.65 $0.4901 $0.1599 1,755,408.0 +3.05%
Jun, 2025 $0.70 $0.5208 $0.1792 899,900.0 -17.66%
May, 2025 $0.775 $0.5302 $0.2448 1,333,437.0 +14.75%
Apr, 2025 $0.78 $0.459 $0.321 2,042,099.0 -20.99%
Mar, 2025 $0.8995 $0.6743 $0.2252 1,146,792.0 -1.16%
Feb, 2025 $1.21 $0.70 $0.51 1,997,718.0 -37.80%
Jan, 2025 $1.60 $1.05 $0.55 2,728,243.0 -15.28%

Clearsign Technologies Corp Stock (CLIR) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $1.57 $1.05 $0.52 2,748,302.0 +27.97%
Nov, 2024 $1.28 $0.8202 $0.4598 4,338,142.0 +36.81%
Oct, 2024 $0.92 $0.7623 $0.1577 1,675,189.0 +1.48%
Sep, 2024 $0.90 $0.68 $0.22 890,396.0 +13.34%
Aug, 2024 $0.875 $0.65 $0.225 865,007.0 -12.80%
Jul, 2024 $0.975 $0.7887 $0.1863 1,345,888.0 +3.08%
Jun, 2024 $0.9519 $0.619 $0.3329 2,604,413.0 +0.53%
May, 2024 $0.96 $0.73 $0.23 1,225,042.0 +5.04%
Apr, 2024 $1.03 $0.74 $0.29 1,618,481.0 -18.12%
Mar, 2024 $1.32 $0.90 $0.4158 1,019,082.0 -24.61%
Feb, 2024 $1.32 $0.92 $0.40 1,514,390.0 +29.29%
Jan, 2024 $1.25 $0.95 $0.30 1,233,940.0 -10.81%

Clearsign Technologies Corp Stock (CLIR) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $1.42 $1.01 $0.408 2,501,427.0 -10.48%
Nov, 2023 $1.72 $0.75 $0.97 2,901,945.0 +52.15%
Oct, 2023 $1.12 $0.75 $0.37 744,163.0 -25.23%
Sep, 2023 $1.42 $0.90 $0.52 1,475,276.0 -5.22%
Aug, 2023 $1.38 $0.90 $0.4799 1,099,254.0 -12.21%
Jul, 2023 $1.50 $1.20 $0.305 763,658.0 +0.00%
Jun, 2023 $1.61 $1.14 $0.47 1,348,787.0 -14.38%
May, 2023 $1.75 $0.92 $0.83 1,605,373.0 +44.34%
Apr, 2023 $1.13 $0.79 $0.3381 896,638.0 +32.83%
Mar, 2023 $0.88 $0.6201 $0.2599 600,459.0 -1.10%
Feb, 2023 $0.8799 $0.70 $0.1799 492,119.0 +9.03%
Jan, 2023 $0.78 $0.5024 $0.2776 614,196.0 +38.08%
$0.2501
price up icon 3.78%
$2.77
price up icon 2.97%
pollution_treatment_controls ARQ
$7.39
price up icon 3.79%
$10.90
price up icon 4.11%
$14.73
price up icon 3.81%
$47.98
price up icon 2.98%
Cap:     |  Volume (24h):