ClearSign Technologies Corporation (CLIR)
NASDAQ: CLIR · Real-Time Price · USD
0.8500
-0.0402 (-4.52%)
Oct 27, 2025, 4:00 PM EDT - Market closed
ClearSign Technologies Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 27, 2025 | 0.88 | 0.89 | 0.85 | 0.83 | - | -7.12% | 74,862 |
| Oct 24, 2025 | 0.95 | 0.95 | 0.86 | 0.89 | 0.89 | -6.26% | 211,159 |
| Oct 23, 2025 | 0.87 | 0.97 | 0.85 | 0.95 | 0.95 | 14.41% | 231,682 |
| Oct 22, 2025 | 0.85 | 0.85 | 0.77 | 0.83 | 0.83 | -3.62% | 232,902 |
| Oct 21, 2025 | 0.91 | 0.97 | 0.83 | 0.86 | 0.86 | -9.37% | 195,274 |
| Oct 20, 2025 | 0.84 | 0.98 | 0.84 | 0.95 | 0.95 | 11.66% | 131,496 |
| Oct 17, 2025 | 0.81 | 0.90 | 0.81 | 0.85 | 0.85 | -2.20% | 198,082 |
| Oct 16, 2025 | 1.02 | 1.02 | 0.85 | 0.87 | 0.87 | -10.09% | 206,267 |
| Oct 15, 2025 | 0.91 | 1.00 | 0.91 | 0.97 | 0.97 | -3.71% | 240,562 |
| Oct 14, 2025 | 0.86 | 1.01 | 0.83 | 1.01 | 1.01 | 9.24% | 192,910 |
| Oct 13, 2025 | 0.88 | 0.93 | 0.81 | 0.92 | 0.92 | 6.98% | 208,726 |
| Oct 10, 2025 | 0.92 | 0.92 | 0.81 | 0.86 | 0.86 | -6.51% | 254,424 |
| Oct 9, 2025 | 1.00 | 1.00 | 0.91 | 0.92 | 0.92 | -5.90% | 202,633 |
| Oct 8, 2025 | 0.93 | 0.99 | 0.88 | 0.98 | 0.98 | 1.82% | 171,011 |
| Oct 7, 2025 | 1.09 | 1.11 | 0.86 | 0.96 | 0.96 | -9.42% | 1,189,546 |
| Oct 6, 2025 | 0.90 | 1.12 | 0.88 | 1.06 | 1.06 | 23.53% | 1,354,399 |
| Oct 3, 2025 | 0.84 | 0.88 | 0.82 | 0.86 | 0.86 | 1.74% | 189,188 |
| Oct 2, 2025 | 0.80 | 0.86 | 0.79 | 0.84 | 0.84 | 6.49% | 256,459 |
| Oct 1, 2025 | 0.77 | 0.81 | 0.77 | 0.79 | 0.79 | 2.70% | 67,135 |
| Sep 30, 2025 | 0.83 | 0.83 | 0.75 | 0.77 | 0.77 | -3.73% | 112,806 |
| Sep 29, 2025 | 0.86 | 0.87 | 0.78 | 0.80 | 0.80 | -0.62% | 297,659 |
| Sep 26, 2025 | 0.80 | 0.86 | 0.78 | 0.81 | 0.81 | 10.24% | 468,699 |
| Sep 25, 2025 | 0.77 | 0.78 | 0.71 | 0.73 | 0.73 | -3.54% | 154,411 |
| Sep 24, 2025 | 0.72 | 0.77 | 0.72 | 0.76 | 0.76 | 6.01% | 197,348 |
| Sep 23, 2025 | 0.80 | 0.89 | 0.64 | 0.72 | 0.72 | -14.65% | 951,540 |
| Sep 22, 2025 | 0.66 | 0.90 | 0.61 | 0.84 | 0.84 | 22.88% | 2,681,329 |
| Sep 19, 2025 | 0.51 | 0.95 | 0.51 | 0.68 | 0.68 | 36.26% | 36,197,285 |
| Sep 18, 2025 | 0.51 | 0.54 | 0.48 | 0.50 | 0.50 | -1.46% | 392,847 |
| Sep 17, 2025 | 0.50 | 0.53 | 0.48 | 0.51 | 0.51 | 0.83% | 180,329 |
| Sep 16, 2025 | 0.52 | 0.53 | 0.46 | 0.50 | 0.50 | -5.04% | 550,952 |
| Sep 15, 2025 | 0.56 | 0.57 | 0.53 | 0.53 | 0.53 | -1.83% | 161,133 |
| Sep 12, 2025 | 0.55 | 0.56 | 0.54 | 0.54 | 0.54 | -0.90% | 103,924 |
| Sep 11, 2025 | 0.56 | 0.58 | 0.54 | 0.55 | 0.55 | -3.88% | 88,023 |
| Sep 10, 2025 | 0.59 | 0.60 | 0.57 | 0.57 | 0.57 | -2.36% | 68,367 |
| Sep 9, 2025 | 0.57 | 0.60 | 0.57 | 0.58 | 0.58 | -0.77% | 43,356 |
| Sep 8, 2025 | 0.60 | 0.60 | 0.59 | 0.59 | 0.59 | -0.54% | 53,664 |
| Sep 5, 2025 | 0.60 | 0.60 | 0.58 | 0.59 | 0.59 | 1.26% | 40,814 |
| Sep 4, 2025 | 0.60 | 0.60 | 0.58 | 0.58 | 0.58 | -2.34% | 49,418 |
| Sep 3, 2025 | 0.59 | 0.60 | 0.58 | 0.60 | 0.60 | -0.78% | 36,167 |
| Sep 2, 2025 | 0.61 | 0.61 | 0.58 | 0.60 | 0.60 | 2.64% | 46,127 |
| Aug 29, 2025 | 0.59 | 0.60 | 0.58 | 0.58 | 0.58 | -1.50% | 16,744 |
| Aug 28, 2025 | 0.59 | 0.60 | 0.58 | 0.59 | 0.59 | 0.17% | 40,229 |
| Aug 27, 2025 | 0.58 | 0.60 | 0.58 | 0.59 | 0.59 | 2.10% | 35,861 |
| Aug 26, 2025 | 0.58 | 0.61 | 0.57 | 0.58 | 0.58 | -0.85% | 88,668 |
| Aug 25, 2025 | 0.61 | 0.61 | 0.57 | 0.59 | 0.59 | -0.85% | 81,597 |
| Aug 22, 2025 | 0.60 | 0.62 | 0.58 | 0.59 | 0.59 | 2.63% | 91,153 |
| Aug 21, 2025 | 0.58 | 0.58 | 0.55 | 0.57 | 0.57 | 5.91% | 101,807 |
| Aug 20, 2025 | 0.55 | 0.55 | 0.54 | 0.54 | 0.54 | -1.49% | 29,976 |
| Aug 19, 2025 | 0.55 | 0.55 | 0.52 | 0.55 | 0.55 | -1.61% | 43,735 |
| Aug 18, 2025 | 0.57 | 0.59 | 0.56 | 0.56 | 0.56 | -0.37% | 35,185 |