earnings
CL
NASDAQ · CLIR
ClearSign Technologies Corporation
Industrials · Industrial - Pollution & Treatment Controls
$3.52
Down-$0.52 (-12.76%)
Updated Sep 17, 2026, 8:34 AM
SID Score
4.8/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 31.37M
- P/E ratio
- -5.17
- Dividend yield
- 0.00%
- 52-week range
- $0.52 – $7.56
- Volume
- 71.97K
- Avg. volume
- 819.03K
Price performance
CLIR price history
1M range · 20 trading sessions · Daily adjusted prices
CLIR closed at $3.52 after 20 trading sessions, down 20.00% for the selected period.
- Last close
- $3.52
- Period change
- -20.00%
- Period low
- $3.52
- Period high
- $4.84
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 16, 2026 | $3.8803 | $3.98 | $3.50 | $3.52 | 71.97K |
| Sep 15, 2026 | $3.80 | $4.1774 | $3.79 | $4.035 | 5.87K |
| Sep 14, 2026 | $3.97 | $4.265 | $3.80 | $3.85 | 23.77K |
| Sep 11, 2026 | $4.09 | $4.175 | $3.735 | $4.0301 | 68.71K |
| Sep 10, 2026 | $4.15 | $4.28 | $3.90 | $4.04 | 49.88K |
| Sep 9, 2026 | $4.41 | $4.41 | $4.22 | $4.22 | 3.32K |
| Sep 8, 2026 | $4.00 | $4.72 | $4.00 | $4.31 | 19.52K |
| Sep 4, 2026 | $3.98 | $4.145 | $3.895 | $3.91 | 9.24K |
| Sep 3, 2026 | $4.2701 | $4.3229 | $3.95 | $4.098 | 42.24K |
| Sep 2, 2026 | $4.22 | $4.445 | $4.10 | $4.25 | 10.72K |
| Sep 1, 2026 | $4.20 | $4.20 | $4.15 | $4.15 | 1.61K |
| Aug 31, 2026 | $4.35 | $4.36 | $4.215 | $4.26 | 4.95K |
| Aug 28, 2026 | $4.58 | $4.745 | $4.465 | $4.465 | 4.94K |
| Aug 27, 2026 | $4.70 | $4.81 | $4.5001 | $4.53 | 7.1K |
| Aug 26, 2026 | $4.6654 | $4.80 | $4.57 | $4.66 | 8.6K |
| Aug 25, 2026 | $4.88 | $4.936 | $4.6143 | $4.70 | 29.29K |
| Aug 24, 2026 | $4.43 | $4.8899 | $4.345 | $4.84 | 30.21K |
| Aug 21, 2026 | $4.20 | $4.56 | $4.092 | $4.4787 | 23.07K |
| Aug 20, 2026 | $4.53 | $4.9599 | $3.86 | $4.685 | 31.79K |
| Aug 19, 2026 | $4.71 | $4.77 | $4.2916 | $4.40 | 22.77K |
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