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4.25
2.80%
0.1158
After Hours:
4.25
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 13, 2026, is $4.25.
- 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 1,114% to $4.25 now.
- The 52-week high stock price for CLIR is $11.20, representing a 163.53% increase from the current share price, occurred on October 06, 2025.
- The 52-week low stock price for CLIR is $3.16, indicating a -25.65% decrease from the current share price, occurred on July 22, 2026.
- The closing price of Clearsign Technologies Corp (CLIR) stock in the beginning of 2025 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:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Aug 13, 2026 | $4.25 | $4.11 | $0.1399 | 3,541.0 | +2.80% |
| Aug 12, 2026 | $4.20 | $4.06 | $0.1385 | 2,695.0 | -0.86% |
| Aug 11, 2026 | $4.17 | $3.86 | $0.31 | 25,845.0 | +6.79% |
| Aug 10, 2026 | $3.95 | $3.66 | $0.29 | 15,469.0 | +4.13% |
| Aug 07, 2026 | $3.79 | $3.75 | $0.035 | 3,548.0 | -2.34% |
| Aug 06, 2026 | $3.90 | $3.73 | $0.175 | 9,954.0 | -1.29% |
| Aug 05, 2026 | $4.11 | $3.83 | $0.2801 | 4,527.0 | -2.75% |
| Aug 04, 2026 | $4.03 | $3.96 | $0.07 | 2,990.0 | +1.01% |
| Aug 03, 2026 | $4.33 | $3.86 | $0.47 | 18,322.0 | +2.59% |
| Jul 31, 2026 | $3.96 | $3.85 | $0.112 | 1,207.0 | -1.03% |
| Jul 30, 2026 | $3.97 | $3.80 | $0.1698 | 2,665.0 | -2.89% |
| Jul 29, 2026 | $4.04 | $3.85 | $0.1853 | 2,758.0 | -0.60% |
| Jul 28, 2026 | $4.04 | $3.80 | $0.2394 | 7,554.0 | +1.51% |
| Jul 27, 2026 | $4.00 | $3.74 | $0.26 | 18,338.0 | +14.04% |
| Jul 24, 2026 | $3.49 | $3.34 | $0.15 | 28,828.0 | +4.18% |
| Jul 23, 2026 | $3.72 | $3.20 | $0.52 | 62,349.0 | +3.08% |
| Jul 22, 2026 | $3.40 | $3.16 | $0.24 | 7,379.0 | -2.99% |
| Jul 21, 2026 | $3.42 | $3.35 | $0.075 | 3,390.0 | -0.59% |
| Jul 20, 2026 | $3.55 | $3.32 | $0.23 | 13,564.0 | -6.91% |
| Jul 17, 2026 | $3.66 | $3.52 | $0.14 | 3,845.0 | -0.55% |
| Jul 16, 2026 | $3.69 | $3.64 | $0.045 | 2,811.0 | -2.15% |
| Jul 15, 2026 | $3.72 | $3.60 | $0.1199 | 3,576.0 | +0.27% |
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 |
|---|---|---|---|---|---|
| Aug, 2026 | $4.33 | $3.66 | $0.67 | 90,432.0 | +10.10% |
| 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 | 153,133.2 | -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 | 240,826.9 | -24.95% |
| Nov, 2025 | $9.80 | $6.81 | $2.99 | 219,588.6 | -14.85% |
| Oct, 2025 | $11.20 | $7.68 | $3.52 | 647,770.1 | +12.81% |
| Sep, 2025 | $9.50 | $4.60 | $4.90 | 4,251,148.9 | +31.99% |
| Aug, 2025 | $6.20 | $5.01 | $1.19 | 127,478.0 | +1.27% |
| Jul, 2025 | $6.50 | $4.90 | $1.60 | 175,540.8 | +3.05% |
| Jun, 2025 | $7.00 | $5.21 | $1.79 | 89,990.0 | -17.66% |
| May, 2025 | $7.75 | $5.30 | $2.45 | 133,343.7 | +14.75% |
| Apr, 2025 | $7.80 | $4.59 | $3.21 | 204,209.9 | -20.99% |
| Mar, 2025 | $8.99 | $6.74 | $2.25 | 114,679.2 | -1.16% |
| Feb, 2025 | $12.10 | $7.00 | $5.10 | 199,771.8 | -37.80% |
| Jan, 2025 | $16.00 | $10.50 | $5.50 | 272,824.3 | -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 | 274,830.2 | +27.97% |
| Nov, 2024 | $12.80 | $8.20 | $4.60 | 433,814.2 | +36.81% |
| Oct, 2024 | $9.20 | $7.62 | $1.58 | 167,518.9 | +1.48% |
| Sep, 2024 | $9.00 | $6.80 | $2.20 | 89,039.6 | +13.34% |
| Aug, 2024 | $8.75 | $6.50 | $2.25 | 86,500.7 | -12.80% |
| Jul, 2024 | $9.75 | $7.89 | $1.86 | 134,588.8 | +3.08% |
| Jun, 2024 | $9.52 | $6.19 | $3.33 | 260,441.3 | +0.53% |
| May, 2024 | $9.60 | $7.30 | $2.30 | 122,504.2 | +5.04% |
| Apr, 2024 | $10.30 | $7.40 | $2.90 | 161,848.1 | -18.12% |
| Mar, 2024 | $13.16 | $9.00 | $4.16 | 101,908.2 | -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% |
8.62%
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