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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 13, 2026, is $2.88.
  • Clearsign Technologies Corp all-time high stock price is $119.00, occurred on March 13, 2014.
  • The lowest Clearsign Technologies Corp stock price recorded was $2.855 on October 13, 2026. Since then, Clearsign Technologies Corp's stock price has risen over 0.88% to $2.88 now.
  • The 52-week high stock price for CLIR is $10.20, representing a 254.17% increase from the current share price, occurred on October 16, 2025.
  • The 52-week low stock price for CLIR is $2.855, indicating a -0.87% decrease from the current share price, occurred on October 13, 2026.
  • The closing price of Clearsign Technologies Corp (CLIR) stock in the beginning of 2025 was $13.90. The stock closed the year at $5.561, a loss of over -59.99% for the year.
The table below shows more information about CLIR historical price data:
Date High Low High - Low Volume % Change
Oct 13, 2026 $3.12 $2.85 $0.27 33,286.0 -2.70%
Oct 12, 2026 $3.23 $2.92 $0.31 22,886.0 -7.79%
Oct 09, 2026 $3.32 $3.12 $0.20 25,603.0 +3.22%
Oct 08, 2026 $3.43 $3.11 $0.32 13,777.0 -5.76%
Oct 07, 2026 $3.38 $3.24 $0.145 9,691.0 +0.00%
Oct 06, 2026 $3.77 $3.29 $0.48 9,114.0 +0.00%
Oct 05, 2026 $3.74 $3.30 $0.4399 41,682.0 -5.98%
Oct 02, 2026 $3.64 $3.41 $0.2246 28,444.0 -1.13%
Oct 01, 2026 $3.76 $3.26 $0.4956 13,981.0 +0.00%
Sep 30, 2026 $3.86 $3.55 $0.3064 7,794.0 -4.83%
Sep 29, 2026 $3.90 $3.65 $0.25 6,792.0 +2.19%
Sep 28, 2026 $3.71 $3.29 $0.415 31,809.0 +5.78%
Sep 25, 2026 $3.60 $3.38 $0.22 11,660.0 -0.27%
Sep 24, 2026 $3.73 $3.40 $0.32 17,414.0 -2.26%
Sep 23, 2026 $4.00 $3.47 $0.535 36,854.0 -5.60%
Sep 22, 2026 $3.96 $3.75 $0.21 6,101.0 -1.06%
Sep 21, 2026 $4.05 $3.79 $0.26 10,781.0 -1.56%
Sep 18, 2026 $3.90 $3.71 $0.195 19,241.0 +6.65%
Sep 17, 2026 $3.75 $3.60 $0.15 8,510.0 +2.56%
Sep 16, 2026 $3.98 $3.50 $0.48 71,972.0 -12.76%
Sep 15, 2026 $4.18 $3.79 $0.3874 5,865.0 +4.81%

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 2026

Month High Low High - Low Volume % Change
Oct, 2026 $3.77 $2.85 $0.915 198,464.0 -18.87%
Sep, 2026 $4.72 $3.29 $1.43 463,732.0 -16.67%
Aug, 2026 $5.00 $3.66 $1.34 310,502.0 +10.36%
Jul, 2026 $4.27 $3.16 $1.11 270,367.0 +5.18%
Jun, 2026 $4.66 $3.39 $1.27 311,610.0 -20.73%
May, 2026 $5.56 $4.18 $1.38 428,611.0 -7.40%
Apr, 2026 $7.56 $4.31 $3.25 1,255,522.0 +14.68%
Mar, 2026 $6.43 $3.24 $3.19 490,441.0 -22.38%
Feb, 2026 $7.04 $5.40 $1.64 153,135.0 -6.54%
Jan, 2026 $8.10 $5.50 $2.60 312,069.0 +8.07%

Clearsign Technologies Corp Stock (CLIR) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $7.99 $5.50 $2.49 240,828.0 -24.95%
Nov, 2025 $9.80 $6.82 $2.99 219,589.0 -14.85%
Oct, 2025 $11.20 $7.68 $3.52 647,769.0 +12.81%
Sep, 2025 $9.50 $4.60 $4.90 4,251,151.0 +31.99%
Aug, 2025 $6.20 $5.01 $1.19 127,480.0 +1.27%
Jul, 2025 $6.50 $4.90 $1.60 175,542.0 +3.05%
Jun, 2025 $7.00 $5.21 $1.79 89,989.0 -17.66%
May, 2025 $7.75 $5.30 $2.45 133,344.0 +14.75%
Apr, 2025 $7.80 $4.59 $3.21 204,210.0 -20.99%
Mar, 2025 $8.99 $6.74 $2.25 114,680.0 -1.16%
Feb, 2025 $12.10 $7.00 $5.10 199,774.0 -37.80%
Jan, 2025 $16.00 $10.50 $5.50 272,827.0 -15.28%

Clearsign Technologies Corp Stock (CLIR) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $15.70 $10.50 $5.20 274,834.0 +27.97%
Nov, 2024 $12.80 $8.20 $4.60 433,817.0 +36.81%
Oct, 2024 $9.20 $7.62 $1.58 167,522.0 +1.48%
Sep, 2024 $9.00 $6.80 $2.20 89,041.0 +13.34%
Aug, 2024 $8.75 $6.50 $2.25 86,503.0 -12.80%
Jul, 2024 $9.75 $7.89 $1.86 134,591.0 +3.08%
Jun, 2024 $9.52 $6.19 $3.33 260,441.0 +0.53%
May, 2024 $9.60 $7.30 $2.30 122,505.0 +5.04%
Apr, 2024 $10.30 $7.40 $2.90 161,849.0 -18.12%
Mar, 2024 $13.16 $9.00 $4.16 101,910.0 -24.61%
Feb, 2024 $13.20 $9.20 $4.00 151,439.0 +29.29%
Jan, 2024 $12.50 $9.50 $3.00 123,394.0 -10.81%
$0.4225
price up icon 3.02%
$1.65
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$1.57
price down icon 26.98%
$0.6501
price down icon 5.62%
$1.41
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$2.57
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