NASDAQ : CLIR
ClearSign Technologies Corporation — Price history
Industrials · Pollution & Treatment Controls · United States
Last price 2.31 USD (Oct 30, 2026, 4:00 PM EDT) · Market cap 15.73M
Overview · Financial statements · Key statistics · Dividends · Company profile · Price history · Reports
Price history
ClearSign Technologies Corporation (CLIR) closed at 2.35 USD on 2026-11-02. Daily open, high, low, close and volume for recent sessions:
| Date | Open | High | Low | Close | Volume | Change |
|---|---|---|---|---|---|---|
| 2026-11-02 | 2.309 | 2.35 | 2.309 | 2.35 | 967 | +1.73% |
| 2026-10-30 | 2.405 | 2.426 | 2.2 | 2.31 | 25,338 | -6.10% |
| 2026-10-29 | 2.48 | 2.52 | 2.38 | 2.46 | 9,188 | -0.81% |
| 2026-10-28 | 2.4 | 2.725 | 2.29 | 2.48 | 11,344 | -0.40% |
| 2026-10-27 | 2.35 | 2.6 | 2.35 | 2.49 | 6,924 | +8.26% |
| 2026-10-26 | 2.35 | 2.39 | 2.2 | 2.3 | 22,467 | -0.43% |
| 2026-10-23 | 2.4 | 2.53 | 2.17 | 2.31 | 16,282 | -5.71% |
| 2026-10-22 | 2.51 | 2.51 | 2.22 | 2.45 | 3,127 | +0.41% |
| 2026-10-21 | 2.5 | 2.54 | 2.32 | 2.44 | 9,530 | -2.01% |
| 2026-10-20 | 2.43 | 2.52 | 2.43 | 2.49 | 11,806 | +6.41% |
| 2026-10-19 | 2.5 | 2.56 | 2.12 | 2.34 | 47,662 | -2.50% |
| 2026-10-16 | 2.54 | 2.69 | 2.36 | 2.4 | 27,972 | -2.04% |
| 2026-10-15 | 2.771 | 2.78 | 2.35 | 2.45 | 24,784 | -7.02% |
| 2026-10-14 | 2.83 | 2.85 | 2.62 | 2.635 | 18,963 | -8.51% |
| 2026-10-13 | 3.01 | 3.125 | 2.855 | 2.88 | 33,285 | -2.70% |
| 2026-10-12 | 3.2 | 3.23 | 2.92 | 2.96 | 22,885 | -7.79% |
| 2026-10-09 | 3.12 | 3.32 | 3.12 | 3.21 | 25,603 | +3.22% |
| 2026-10-08 | 3.265 | 3.43 | 3.11 | 3.11 | 13,777 | -5.76% |
| 2026-10-07 | 3.24 | 3.385 | 3.24 | 3.3 | 9,691 | +0.00% |
| 2026-10-06 | 3.3 | 3.77 | 3.29 | 3.3 | 9,114 | +0.00% |
| 2026-10-05 | 3.53 | 3.74 | 3.3 | 3.3 | 41,682 | -5.98% |
| 2026-10-02 | 3.57 | 3.636 | 3.411 | 3.51 | 28,444 | -1.13% |
| 2026-10-01 | 3.33 | 3.756 | 3.26 | 3.55 | 13,981 | +0.00% |
| 2026-09-30 | 3.76 | 3.856 | 3.55 | 3.55 | 7,794 | -4.83% |
| 2026-09-29 | 3.65 | 3.9 | 3.65 | 3.73 | 6,792 | +2.19% |
| 2026-09-28 | 3.5 | 3.705 | 3.29 | 3.65 | 31,808 | +5.78% |
| 2026-09-25 | 3.59 | 3.595 | 3.375 | 3.451 | 11,660 | -0.27% |
| 2026-09-24 | 3.52 | 3.725 | 3.405 | 3.46 | 17,414 | -2.26% |
| 2026-09-23 | 3.76 | 4.005 | 3.47 | 3.54 | 36,853 | -5.60% |
| 2026-09-22 | 3.77 | 3.96 | 3.75 | 3.75 | 6,100 | -1.06% |
| 2026-09-21 | 3.85 | 4.05 | 3.79 | 3.79 | 10,781 | -1.56% |
| 2026-09-18 | 3.708 | 3.9 | 3.705 | 3.85 | 19,243 | +6.65% |
| 2026-09-17 | 3.6 | 3.75 | 3.6 | 3.61 | 8,696 | +2.56% |
| 2026-09-16 | 3.88 | 3.98 | 3.5 | 3.52 | 71,974 | -12.76% |
| 2026-09-15 | 3.8 | 4.177 | 3.79 | 4.035 | 5,867 | +4.81% |
| 2026-09-14 | 3.97 | 4.265 | 3.8 | 3.85 | 23,773 | -4.47% |
| 2026-09-11 | 4.09 | 4.175 | 3.735 | 4.03 | 68,707 | -0.25% |
| 2026-09-10 | 4.15 | 4.28 | 3.9 | 4.04 | 49,884 | -4.27% |
| 2026-09-09 | 4.41 | 4.41 | 4.22 | 4.22 | 3,323 | -2.09% |
| 2026-09-08 | 4 | 4.72 | 4 | 4.31 | 19,515 | +10.23% |
| 2026-09-04 | 3.98 | 4.145 | 3.895 | 3.91 | 9,241 | -4.59% |
| 2026-09-03 | 4.27 | 4.323 | 3.95 | 4.098 | 42,242 | -3.58% |
| 2026-09-02 | 4.22 | 4.445 | 4.1 | 4.25 | 10,715 | +2.41% |
| 2026-09-01 | 4.2 | 4.2 | 4.15 | 4.15 | 1,608 | -2.58% |
| 2026-08-31 | 4.35 | 4.36 | 4.215 | 4.26 | 4,953 | -4.59% |
| 2026-08-28 | 4.58 | 4.745 | 4.465 | 4.465 | 4,944 | -1.43% |
| 2026-08-27 | 4.7 | 4.81 | 4.5 | 4.53 | 7,095 | -2.79% |
| 2026-08-26 | 4.665 | 4.8 | 4.57 | 4.66 | 8,598 | -0.85% |
| 2026-08-25 | 4.88 | 4.936 | 4.614 | 4.7 | 29,286 | -2.89% |
| 2026-08-24 | 4.43 | 4.89 | 4.345 | 4.84 | 30,212 | +8.07% |
| 2026-08-21 | 4.2 | 4.56 | 4.092 | 4.479 | 23,065 | -4.40% |
| 2026-08-20 | 4.53 | 4.96 | 3.86 | 4.685 | 31,788 | +6.48% |
| 2026-08-19 | 4.71 | 4.77 | 4.292 | 4.4 | 22,765 | -5.78% |
| 2026-08-18 | 4.69 | 4.85 | 4.4 | 4.67 | 13,806 | +2.41% |
| 2026-08-17 | 4.67 | 5 | 4.31 | 4.56 | 20,925 | -1.94% |
| 2026-08-14 | 4.1 | 4.7 | 4.1 | 4.65 | 27,226 | +9.41% |
| 2026-08-13 | 4.11 | 4.25 | 4.11 | 4.25 | 3,541 | +2.80% |
| 2026-08-12 | 4.061 | 4.2 | 4.061 | 4.134 | 2,695 | -0.86% |
| 2026-08-11 | 3.95 | 4.17 | 3.86 | 4.17 | 25,846 | +6.79% |
| 2026-08-10 | 3.81 | 3.95 | 3.66 | 3.905 | 15,469 | +4.13% |
| 2026-08-07 | 3.785 | 3.785 | 3.75 | 3.75 | 3,548 | -2.34% |
| 2026-08-06 | 3.88 | 3.905 | 3.73 | 3.84 | 9,955 | -1.29% |
| 2026-08-05 | 3.98 | 4.105 | 3.825 | 3.89 | 4,528 | -2.75% |
| 2026-08-04 | 3.96 | 4.03 | 3.96 | 4 | 2,991 | +1.01% |
| 2026-08-03 | 3.87 | 4.33 | 3.86 | 3.96 | 18,323 | +2.59% |
| 2026-07-31 | 3.88 | 3.962 | 3.85 | 3.86 | 1,207 | -1.03% |
| 2026-07-30 | 3.8 | 3.97 | 3.8 | 3.9 | 2,666 | -2.89% |
| 2026-07-29 | 3.91 | 4.037 | 3.852 | 4.016 | 2,758 | -0.60% |
| 2026-07-28 | 3.885 | 4.04 | 3.801 | 4.04 | 7,554 | +1.51% |
| 2026-07-27 | 3.74 | 4 | 3.74 | 3.98 | 18,388 | +14.04% |
| 2026-07-24 | 3.34 | 3.49 | 3.34 | 3.49 | 32,872 | +4.18% |
| 2026-07-23 | 3.2 | 3.72 | 3.2 | 3.35 | 62,410 | +3.08% |
| 2026-07-22 | 3.35 | 3.4 | 3.16 | 3.25 | 7,379 | -2.99% |
| 2026-07-21 | 3.4 | 3.425 | 3.35 | 3.35 | 3,392 | -0.59% |
| 2026-07-20 | 3.55 | 3.55 | 3.32 | 3.37 | 13,564 | -6.91% |
| 2026-07-17 | 3.65 | 3.66 | 3.52 | 3.62 | 3,845 | -0.55% |
| 2026-07-16 | 3.64 | 3.685 | 3.64 | 3.64 | 2,811 | -2.15% |
| 2026-07-15 | 3.6 | 3.72 | 3.6 | 3.72 | 3,581 | +0.27% |
| 2026-07-14 | 3.68 | 3.87 | 3.68 | 3.71 | 10,555 | +2.49% |
| 2026-07-13 | 3.705 | 3.785 | 3.61 | 3.62 | 16,743 | -2.69% |
| 2026-07-10 | 3.75 | 3.75 | 3.658 | 3.72 | 6,200 | -0.80% |
| 2026-07-09 | 3.72 | 3.8 | 3.7 | 3.75 | 5,992 | +1.35% |
| 2026-07-08 | 3.91 | 3.91 | 3.61 | 3.7 | 5,954 | -3.65% |
| 2026-07-07 | 4.08 | 4.135 | 3.82 | 3.84 | 13,004 | -6.34% |
| 2026-07-06 | 4.03 | 4.1 | 3.95 | 4.1 | 10,056 | +0.99% |
| 2026-07-02 | 4.08 | 4.24 | 4.06 | 4.06 | 9,536 | -1.46% |
| 2026-07-01 | 3.785 | 4.27 | 3.757 | 4.12 | 34,140 | +12.26% |
| 2026-06-30 | 3.61 | 3.875 | 3.58 | 3.67 | 17,466 | +0.82% |
| 2026-06-29 | 3.548 | 3.69 | 3.5 | 3.64 | 6,329 | +0.55% |
| 2026-06-26 | 3.4 | 3.7 | 3.39 | 3.62 | 14,654 | +6.78% |
| 2026-06-25 | 3.54 | 3.63 | 3.39 | 3.39 | 14,408 | -3.70% |
| 2026-06-24 | 3.69 | 3.858 | 3.52 | 3.52 | 5,172 | -5.12% |
| 2026-06-23 | 3.67 | 3.77 | 3.59 | 3.71 | 4,891 | -0.27% |
| 2026-06-22 | 3.885 | 3.944 | 3.615 | 3.72 | 19,041 | -1.85% |
| 2026-06-18 | 4.1 | 4.1 | 3.71 | 3.79 | 34,033 | -6.42% |
| 2026-06-17 | 4.14 | 4.14 | 4.02 | 4.05 | 13,974 | -1.70% |
| 2026-06-16 | 4.325 | 4.334 | 4.07 | 4.12 | 25,775 | -0.36% |
| 2026-06-15 | 4.28 | 4.28 | 4.082 | 4.135 | 12,568 | +1.35% |
| 2026-06-12 | 4.18 | 4.285 | 4.08 | 4.08 | 10,994 | -2.16% |
| 2026-06-11 | 4.32 | 4.32 | 4.07 | 4.17 | 16,093 | -0.48% |
| 2026-06-10 | 4.28 | 4.34 | 4.07 | 4.19 | 18,238 | +0.72% |
| 2026-06-09 | 4.25 | 4.425 | 4.07 | 4.16 | 22,773 | +0.24% |
| 2026-06-08 | 3.93 | 4.25 | 3.93 | 4.15 | 19,702 | +5.33% |
| 2026-06-05 | 4.305 | 4.395 | 3.94 | 3.94 | 9,512 | -7.94% |
| 2026-06-04 | 4.35 | 4.475 | 4.28 | 4.28 | 17,549 | -2.28% |
| 2026-06-03 | 4.4 | 4.47 | 4.38 | 4.38 | 11,033 | -1.75% |
| 2026-06-02 | 4.452 | 4.545 | 4.36 | 4.458 | 9,665 | -0.27% |
| 2026-06-01 | 4.55 | 4.66 | 3.73 | 4.47 | 7,939 | -3.46% |
| 2026-05-29 | 4.39 | 4.687 | 4.27 | 4.63 | 57,987 | +1.54% |
| 2026-05-28 | 4.45 | 4.747 | 4.41 | 4.56 | 45,441 | +2.47% |
| 2026-05-27 | 4.402 | 4.65 | 4.402 | 4.45 | 14,490 | -3.89% |
| 2026-05-26 | 4.61 | 4.88 | 4.6 | 4.63 | 51,487 | -4.54% |
| 2026-05-22 | 4.74 | 4.89 | 4.61 | 4.85 | 17,891 | -3.19% |
| 2026-05-21 | 4.73 | 5.01 | 4.588 | 5.01 | 8,068 | +2.24% |
| 2026-05-20 | 4.61 | 5.09 | 4.51 | 4.9 | 16,855 | +6.52% |
| 2026-05-19 | 4.472 | 4.65 | 4.46 | 4.6 | 6,202 | +4.31% |
| 2026-05-18 | 4.71 | 4.82 | 4.41 | 4.41 | 25,389 | -6.37% |
| 2026-05-15 | 4.86 | 5.065 | 4.62 | 4.71 | 21,737 | -9.51% |
| 2026-05-14 | 4.61 | 5.56 | 4.565 | 5.205 | 29,320 | +16.97% |
| 2026-05-13 | 4.49 | 4.735 | 4.35 | 4.45 | 16,132 | -2.20% |