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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 October 31, 2025, is $0.87.
  • 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 148.57% to $0.87 now.
  • The 52-week high stock price for CLIR is $1.72, representing a 97.70% increase from the current share price, occurred on December 31, 2024.
  • The 52-week low stock price for CLIR is $0.459, indicating a -47.24% 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
Oct 31, 2025 $0.92 $0.8523 $0.0677 68,418.0 -0.90%
Oct 30, 2025 $0.9376 $0.8624 $0.0752 47,123.0 -2.46%
Oct 29, 2025 $0.9237 $0.90 $0.0237 109,906.0 -1.39%
Oct 28, 2025 $1.02 $0.87 $0.15 399,324.0 +8.64%
Oct 27, 2025 $0.887 $0.8146 $0.0724 182,896.0 -5.63%
Oct 24, 2025 $0.95 $0.86 $0.09 205,989.0 -6.26%
Oct 23, 2025 $0.9698 $0.85 $0.1198 228,760.0 +14.41%
Oct 22, 2025 $0.85 $0.77 $0.08 232,383.0 -3.62%
Oct 21, 2025 $0.967 $0.8336 $0.1334 192,876.0 -9.37%
Oct 20, 2025 $0.98 $0.8362 $0.1438 130,780.0 +11.66%
Oct 17, 2025 $0.90 $0.81 $0.09 197,020.0 -2.20%
Oct 16, 2025 $1.02 $0.8511 $0.1689 200,743.0 -10.09%
Oct 15, 2025 $1.00 $0.91 $0.0918 240,480.0 -3.71%
Oct 14, 2025 $1.01 $0.8333 $0.1767 192,762.0 +9.24%
Oct 13, 2025 $0.93 $0.8145 $0.1155 208,701.0 +6.98%
Oct 10, 2025 $0.9193 $0.8118 $0.1075 244,842.0 -6.51%
Oct 09, 2025 $1.00 $0.9051 $0.0949 201,582.0 -5.90%
Oct 08, 2025 $0.99 $0.88 $0.11 170,122.0 +1.82%
Oct 07, 2025 $1.11 $0.8581 $0.2519 1,187,988.0 -9.42%
Oct 06, 2025 $1.12 $0.88 $0.24 1,324,602.0 +23.53%
Oct 03, 2025 $0.88 $0.8236 $0.0564 187,878.0 +1.74%
Oct 02, 2025 $0.8597 $0.792 $0.0677 255,774.0 +6.49%

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
Oct, 2025 $1.12 $0.7681 $0.3519 6,546,119.0 +12.81%
Sep, 2025 $0.95 $0.4601 $0.4899 42,511,489.0 +31.99%
Aug, 2025 $0.62 $0.5015 $0.1185 1,274,780.0 +1.27%
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%
$0.382
price down icon 1.65%
$2.48
price down icon 3.13%
pollution_treatment_controls ARQ
$6.64
price down icon 0.60%
$14.26
price down icon 2.86%
$17.11
price down icon 0.12%
$48.89
price up icon 1.96%
Cap:     |  Volume (24h):