ClearSign Technologies Corporation (CLIR)
NASDAQ: CLIR · Real-Time Price · USD
0.5900
+0.0151 (2.63%)
At close: Aug 22, 2025, 4:00 PM
0.5801
-0.0099 (-1.68%)
After-hours: Aug 22, 2025, 6:16 PM EDT
ClearSign Technologies Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | 0.60 | 0.62 | 0.58 | 0.59 | 0.59 | 2.63% | 91,002 |
| 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 |
| Aug 15, 2025 | 0.60 | 0.60 | 0.56 | 0.56 | 0.56 | -8.32% | 79,414 |
| Aug 14, 2025 | 0.62 | 0.62 | 0.58 | 0.61 | 0.61 | 4.79% | 76,777 |
| Aug 13, 2025 | 0.55 | 0.59 | 0.55 | 0.59 | 0.59 | 10.38% | 62,302 |
| Aug 12, 2025 | 0.57 | 0.57 | 0.50 | 0.53 | 0.53 | -1.83% | 118,146 |
| Aug 11, 2025 | 0.55 | 0.57 | 0.53 | 0.54 | 0.54 | -3.59% | 80,055 |
| Aug 8, 2025 | 0.57 | 0.58 | 0.55 | 0.56 | 0.56 | -0.30% | 98,657 |
| Aug 7, 2025 | 0.56 | 0.59 | 0.54 | 0.56 | 0.56 | -3.12% | 58,916 |
| Aug 6, 2025 | 0.56 | 0.58 | 0.56 | 0.58 | 0.58 | 5.05% | 30,680 |
| Aug 5, 2025 | 0.57 | 0.57 | 0.54 | 0.55 | 0.55 | 0.90% | 60,071 |
| Aug 4, 2025 | 0.56 | 0.57 | 0.54 | 0.55 | 0.55 | 0.39% | 29,236 |
| Aug 1, 2025 | 0.57 | 0.58 | 0.54 | 0.55 | 0.55 | -5.55% | 45,097 |
| Jul 31, 2025 | 0.60 | 0.60 | 0.57 | 0.58 | 0.58 | 1.75% | 13,622 |
| Jul 30, 2025 | 0.60 | 0.63 | 0.57 | 0.57 | 0.57 | -4.71% | 65,041 |
| Jul 29, 2025 | 0.64 | 0.65 | 0.60 | 0.60 | 0.60 | -5.54% | 54,721 |
| Jul 28, 2025 | 0.61 | 0.65 | 0.61 | 0.63 | 0.63 | 5.78% | 204,371 |
| Jul 25, 2025 | 0.57 | 0.62 | 0.57 | 0.60 | 0.60 | 1.73% | 95,171 |
| Jul 24, 2025 | 0.59 | 0.60 | 0.57 | 0.59 | 0.59 | 1.54% | 73,349 |
| Jul 23, 2025 | 0.58 | 0.62 | 0.57 | 0.58 | 0.58 | -3.11% | 96,196 |
| Jul 22, 2025 | 0.60 | 0.63 | 0.57 | 0.60 | 0.60 | 1.71% | 132,327 |
| Jul 21, 2025 | 0.58 | 0.61 | 0.57 | 0.59 | 0.59 | 0.79% | 84,489 |
| Jul 18, 2025 | 0.58 | 0.63 | 0.57 | 0.58 | 0.58 | 7.48% | 148,417 |
| Jul 17, 2025 | 0.51 | 0.57 | 0.49 | 0.54 | 0.54 | 8.00% | 133,473 |
| Jul 16, 2025 | 0.53 | 0.54 | 0.49 | 0.50 | 0.50 | -4.76% | 68,050 |
| Jul 15, 2025 | 0.53 | 0.55 | 0.53 | 0.53 | 0.53 | -0.98% | 26,700 |
| Jul 14, 2025 | 0.56 | 0.56 | 0.53 | 0.53 | 0.53 | -1.82% | 36,063 |
| Jul 11, 2025 | 0.54 | 0.56 | 0.53 | 0.54 | 0.54 | -1.82% | 49,223 |
| Jul 10, 2025 | 0.56 | 0.58 | 0.53 | 0.55 | 0.55 | -0.83% | 51,561 |
| Jul 9, 2025 | 0.51 | 0.58 | 0.50 | 0.55 | 0.55 | 3.41% | 154,578 |
| Jul 8, 2025 | 0.54 | 0.56 | 0.54 | 0.54 | 0.54 | -0.15% | 39,154 |
| Jul 7, 2025 | 0.50 | 0.58 | 0.50 | 0.54 | 0.54 | - | 131,778 |
| Jul 3, 2025 | 0.54 | 0.60 | 0.53 | 0.54 | 0.54 | 1.00% | 56,582 |
| Jul 2, 2025 | 0.54 | 0.54 | 0.52 | 0.53 | 0.53 | -1.52% | 22,308 |
| Jul 1, 2025 | 0.56 | 0.57 | 0.51 | 0.54 | 0.54 | -3.55% | 113,656 |
| Jun 30, 2025 | 0.52 | 0.58 | 0.52 | 0.56 | 0.56 | 0.02% | 23,453 |
| Jun 27, 2025 | 0.57 | 0.59 | 0.52 | 0.56 | 0.56 | -1.79% | 37,237 |
| Jun 26, 2025 | 0.55 | 0.60 | 0.53 | 0.57 | 0.57 | 1.35% | 31,459 |
| Jun 25, 2025 | 0.58 | 0.61 | 0.55 | 0.56 | 0.56 | -5.86% | 26,081 |
| Jun 24, 2025 | 0.58 | 0.60 | 0.55 | 0.60 | 0.60 | 3.57% | 21,377 |
| Jun 23, 2025 | 0.63 | 0.63 | 0.53 | 0.58 | 0.58 | -7.03% | 165,210 |
| Jun 20, 2025 | 0.60 | 0.64 | 0.60 | 0.62 | 0.62 | 1.92% | 38,347 |
| Jun 18, 2025 | 0.63 | 0.64 | 0.57 | 0.61 | 0.61 | -1.47% | 43,210 |
| Jun 17, 2025 | 0.62 | 0.64 | 0.60 | 0.62 | 0.62 | 1.28% | 33,980 |
| Jun 16, 2025 | 0.63 | 0.63 | 0.61 | 0.61 | 0.61 | 1.65% | 14,404 |
| Jun 13, 2025 | 0.61 | 0.62 | 0.60 | 0.60 | 0.60 | -0.07% | 19,682 |
| Jun 12, 2025 | 0.64 | 0.64 | 0.60 | 0.60 | 0.60 | -0.87% | 30,874 |