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CLEARSIGN TECH (CLIR)
NASDAQ
$4.48-$0.004 (-0.08%)
Price as of Aug 21, 2026 7:30 PM EDT- $30.5MMarket Cap
- -24.09%1-Year Change
- Pollution & Treatment ControlsIndustry
CLEARSIGN TECH (CLIR)
$4.48-$0.004 (-0.08%)
- 1 Month+33.69%Low Price$3.75High Price$4.69
- 3 Months-10.60%Low Price$3.25High Price$4.69
- 1 Year-24.09%Low Price$4.33High Price$6.94
Date
| Open | High | Low | Close | Change (%) | Volume |
|---|---|---|---|---|---|---|
08/21/2026 | 4.20 | 4.56 | 4.09 | 4.48 | -4.40% | 23,065 |
08/20/2026 | 4.53 | 4.96 | 3.86 | 4.69 | +6.48% | 31,789 |
08/19/2026 | 4.71 | 4.77 | 4.29 | 4.40 | -5.78% | 22,765 |
08/18/2026 | 4.69 | 4.85 | 4.40 | 4.67 | +2.41% | 13,806 |
08/17/2026 | 4.67 | 5.00 | 4.31 | 4.56 | -1.94% | 20,925 |
08/14/2026 | 4.10 | 4.70 | 4.10 | 4.65 | +9.41% | 27,226 |
08/14/2026 |
-$0.22 Earnings | |||||
08/13/2026 | 4.11 | 4.25 | 4.11 | 4.25 | +2.80% | 3,541 |
08/12/2026 | 4.06 | 4.20 | 4.06 | 4.13 | -0.86% | 2,695 |
08/11/2026 | 3.95 | 4.17 | 3.86 | 4.17 | +6.79% | 25,846 |
08/10/2026 | 3.81 | 3.95 | 3.66 | 3.91 | +4.13% | 15,469 |
08/07/2026 | 3.79 | 3.79 | 3.75 | 3.75 | -2.34% | 3,548 |
08/06/2026 | 3.88 | 3.91 | 3.73 | 3.84 | -1.29% | 9,955 |
08/05/2026 | 3.98 | 4.11 | 3.83 | 3.89 | -2.75% | 4,528 |
08/04/2026 | 3.96 | 4.03 | 3.96 | 4.00 | +1.01% | 2,991 |
08/03/2026 | 3.87 | 4.33 | 3.86 | 3.96 | +2.59% | 18,323 |
07/31/2026 | 3.88 | 3.96 | 3.85 | 3.86 | -1.03% | 1,207 |
07/30/2026 | 3.80 | 3.97 | 3.80 | 3.90 | -2.89% | 2,666 |
07/29/2026 | 3.91 | 4.04 | 3.85 | 4.02 | -0.60% | 2,758 |
07/28/2026 | 3.89 | 4.04 | 3.80 | 4.04 | +1.51% | 7,554 |
07/27/2026 | 3.74 | 4.00 | 3.74 | 3.98 | +14.04% | 18,388 |
07/24/2026 | 3.34 | 3.49 | 3.34 | 3.49 | +4.18% | 32,872 |
07/23/2026 | 3.20 | 3.72 | 3.20 | 3.35 | +3.08% | 62,410 |
07/22/2026 | 3.35 | 3.40 | 3.16 | 3.25 | -2.99% | 7,379 |
07/21/2026 | 3.40 | 3.43 | 3.35 | 3.35 | -0.59% | 3,392 |
07/20/2026 | 3.55 | 3.55 | 3.32 | 3.37 | -6.91% | 13,564 |
07/17/2026 | 3.65 | 3.66 | 3.52 | 3.62 | -0.55% | 3,845 |
07/16/2026 | 3.64 | 3.69 | 3.64 | 3.64 | -2.15% | 2,811 |
07/15/2026 | 3.60 | 3.72 | 3.60 | 3.72 | +0.27% | 3,581 |
07/14/2026 | 3.68 | 3.87 | 3.68 | 3.71 | +2.49% | 10,544 |
07/13/2026 | 3.71 | 3.79 | 3.61 | 3.62 | -2.69% | 16,743 |
07/10/2026 | 3.75 | 3.75 | 3.66 | 3.72 | -0.80% | 6,200 |
07/09/2026 | 3.72 | 3.80 | 3.70 | 3.75 | +1.35% | 5,992 |
07/08/2026 | 3.91 | 3.91 | 3.61 | 3.70 | -3.65% | 5,954 |
07/07/2026 | 4.08 | 4.14 | 3.82 | 3.84 | -6.34% | 13,004 |
07/06/2026 | 4.03 | 4.10 | 3.95 | 4.10 | +0.99% | 10,056 |
07/02/2026 | 4.08 | 4.24 | 4.06 | 4.06 | -1.46% | 9,536 |
07/01/2026 | 3.79 | 4.27 | 3.76 | 4.12 | +12.26% | 34,140 |
06/30/2026 | 3.61 | 3.88 | 3.58 | 3.67 | +0.82% | 17,466 |
06/29/2026 | 3.55 | 3.69 | 3.50 | 3.64 | +0.55% | 6,329 |
06/26/2026 | 3.40 | 3.70 | 3.39 | 3.62 | +6.78% | 14,654 |
06/25/2026 | 3.54 | 3.63 | 3.39 | 3.39 | -3.70% | 14,408 |
06/24/2026 | 3.69 | 3.86 | 3.52 | 3.52 | -5.12% | 5,172 |
06/23/2026 | 3.67 | 3.77 | 3.59 | 3.71 | -0.27% | 4,891 |
06/22/2026 | 3.89 | 3.94 | 3.62 | 3.72 | -1.85% | 19,041 |
06/18/2026 | 4.10 | 4.10 | 3.71 | 3.79 | -6.42% | 34,032 |
06/17/2026 | 4.14 | 4.14 | 4.02 | 4.05 | -1.70% | 13,974 |
06/16/2026 | 4.33 | 4.33 | 4.07 | 4.12 | -0.36% | 25,775 |
06/15/2026 | 4.28 | 4.28 | 4.08 | 4.14 | +1.35% | 12,568 |
06/12/2026 | 4.18 | 4.29 | 4.08 | 4.08 | -2.16% | 10,994 |
06/11/2026 | 4.32 | 4.32 | 4.07 | 4.17 | -0.48% | 16,093 |
06/10/2026 | 4.28 | 4.34 | 4.07 | 4.19 | +0.72% | 18,238 |
06/09/2026 | 4.25 | 4.43 | 4.07 | 4.16 | +0.24% | 22,773 |
06/08/2026 | 3.93 | 4.25 | 3.93 | 4.15 | +5.33% | 19,702 |
06/05/2026 | 4.31 | 4.40 | 3.94 | 3.94 | -7.94% | 9,512 |
06/04/2026 | 4.35 | 4.48 | 4.28 | 4.28 | -2.28% | 17,549 |
06/03/2026 | 4.40 | 4.47 | 4.38 | 4.38 | -1.75% | 10,937 |
06/02/2026 | 4.45 | 4.55 | 4.36 | 4.46 | -0.27% | 9,665 |
06/01/2026 | 4.55 | 4.66 | 3.73 | 4.47 | -3.46% | 7,939 |
05/29/2026 | 4.39 | 4.69 | 4.27 | 4.63 | +1.54% | 57,987 |
05/28/2026 | 4.45 | 4.75 | 4.41 | 4.56 | +2.47% | 45,441 |
05/27/2026 | 4.40 | 4.65 | 4.40 | 4.45 | -3.89% | 14,490 |
05/26/2026 | 4.61 | 4.88 | 4.60 | 4.63 | -4.54% | 51,487 |
05/22/2026 | 4.74 | 4.89 | 4.61 | 4.85 | -3.19% | 17,891 |
05/21/2026 | 4.73 | 5.01 | 4.59 | 5.01 | +2.24% | 8,068 |
05/20/2026 | 4.61 | 5.09 | 4.51 | 4.90 | +6.52% | 16,855 |
05/19/2026 | 4.47 | 4.65 | 4.46 | 4.60 | +4.31% | 6,202 |
05/18/2026 | 4.71 | 4.82 | 4.41 | 4.41 | -6.37% | 25,389 |
05/15/2026 | 4.86 | 5.07 | 4.62 | 4.71 | -9.51% | 21,737 |
05/15/2026 |
-$0.39 Earnings | |||||
05/14/2026 | 4.61 | 5.56 | 4.57 | 5.21 | +16.97% | 29,320 |
05/13/2026 | 4.49 | 4.74 | 4.35 | 4.45 | -2.20% | 16,132 |
05/12/2026 | 4.38 | 4.75 | 4.37 | 4.55 | +4.24% | 17,329 |
05/11/2026 | 4.61 | 4.61 | 4.18 | 4.36 | -3.86% | 22,542 |
05/08/2026 | 4.80 | 4.80 | 4.21 | 4.54 | -6.00% | 26,176 |
05/07/2026 | 4.97 | 4.98 | 4.62 | 4.83 | -1.63% | 16,310 |
05/06/2026 | 4.91 | 5.01 | 4.80 | 4.91 | 0.00% | 15,731 |
05/05/2026 | 4.94 | 4.99 | 4.88 | 4.91 | -2.96% | 4,995 |
05/04/2026 | 5.03 | 5.10 | 4.57 | 5.06 | -1.17% | 16,145 |
05/01/2026 | 5.05 | 5.22 | 5.01 | 5.12 | +2.40% | 14,552 |
04/30/2026 | 5.33 | 5.33 | 5.00 | 5.00 | -6.89% | 9,144 |
04/29/2026 | 5.33 | 5.56 | 5.33 | 5.37 | +0.75% | 2,881 |
04/28/2026 | 5.32 | 5.51 | 5.32 | 5.33 | +1.91% | 9,463 |
04/27/2026 | 4.88 | 5.33 | 4.73 | 5.23 | +4.60% | 14,731 |
04/24/2026 | 5.08 | 5.26 | 5.00 | 5.00 | -3.10% | 5,724 |
04/23/2026 | 5.48 | 5.50 | 5.06 | 5.16 | -7.69% | 15,256 |
04/22/2026 | 5.48 | 5.80 | 5.48 | 5.59 | +3.52% | 12,982 |
04/21/2026 | 5.44 | 5.53 | 5.21 | 5.40 | -0.09% | 11,908 |
04/20/2026 | 5.56 | 5.66 | 5.19 | 5.41 | -0.83% | 56,182 |
04/17/2026 | 5.33 | 5.68 | 5.33 | 5.45 | +2.25% | 21,245 |
04/16/2026 | 5.90 | 6.14 | 5.22 | 5.33 | -8.73% | 17,537 |
04/15/2026 | 5.60 | 5.96 | 5.60 | 5.84 | +8.55% | 17,682 |
04/14/2026 | 5.47 | 5.60 | 5.26 | 5.38 | -0.19% | 18,765 |
04/13/2026 | 5.29 | 5.39 | 4.93 | 5.39 | +1.89% | 47,758 |
04/10/2026 | 6.28 | 6.59 | 4.73 | 5.29 | -14.40% | 133,132 |
04/09/2026 | 6.30 | 6.87 | 5.99 | 6.18 | -4.48% | 58,115 |
04/09/2026 |
-$0.09 Earnings | |||||
04/08/2026 | 6.58 | 6.59 | 5.99 | 6.47 | +5.20% | 40,226 |
04/07/2026 | 6.45 | 6.98 | 5.55 | 6.15 | -11.38% | 77,114 |
04/06/2026 | 4.85 | 7.56 | 4.80 | 6.94 | +43.69% | 690,976 |