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CLIR — ClearSign Technologies Corporation Common Stock (DE)
NasdaqClearSign Technologies Corporation Common Stock (DE)
$3.51
-0.04(-1.13%)
- O
- 3.57
- H
- 3.64
- L
- 3.41
- V
- 28.44K
⏱️ End-of-day dataAs of Oct 2, 2026
Latest Close$3.51
Period Return-39.48%
Period High$11.20
Period Low$3.16
Avg Daily Volume27.9K
Total Trading Days365
CLIR — Historical OHLCV Price & Volume Table
Apr 22, 2025 — Oct 2, 2026| Date▼ | Open⇅ | High⇅ | Low⇅ | Close⇅ | Change ($)⇅ | Change (%)⇅ | Volume⇅ | VWAP⇅ | Day Range (L - H) |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | $3.57 | $3.64 | $3.41 | $3.51 | $-0.04 | -1.13% | 28,442 | $3.52 | $3.41 $3.64 |
| Oct 1, 2026 | $3.33 | $3.76 | $3.26 | $3.55 | +$0.00 | +0.00% | 13,981 | $3.52 | $3.26 $3.76 |
| Sep 30, 2026 | $3.76 | $3.86 | $3.55 | $3.55 | $-0.18 | -4.83% | 7,794 | $3.60 | $3.55 $3.86 |
| Sep 29, 2026 | $3.65 | $3.90 | $3.65 | $3.73 | +$0.08 | +2.19% | 6,792 | $3.84 | $3.65 $3.90 |
| Sep 28, 2026 | $3.50 | $3.71 | $3.29 | $3.65 | +$0.20 | +5.78% | 31,809 | $3.52 | $3.29 $3.71 |
| Sep 25, 2026 | $3.59 | $3.60 | $3.38 | $3.45 | $-0.01 | -0.27% | 11,660 | $3.45 | $3.38 $3.60 |
| Sep 24, 2026 | $3.52 | $3.73 | $3.41 | $3.46 | $-0.08 | -2.26% | 17,415 | $3.51 | $3.41 $3.73 |
| Sep 23, 2026 | $3.76 | $4.01 | $3.47 | $3.54 | $-0.21 | -5.60% | 36,854 | $3.63 | $3.47 $4.01 |
| Sep 22, 2026 | $3.77 | $3.96 | $3.75 | $3.75 | $-0.04 | -1.06% | 6,101 | $3.81 | $3.75 $3.96 |
| Sep 21, 2026 | $3.85 | $4.05 | $3.79 | $3.79 | $-0.06 | -1.56% | 10,782 | $3.83 | $3.79 $4.05 |
| Sep 18, 2026 | $3.71 | $3.90 | $3.71 | $3.85 | +$0.24 | +6.65% | 19,243 | $3.83 | $3.71 $3.90 |
| Sep 17, 2026 | $3.60 | $3.75 | $3.60 | $3.61 | +$0.09 | +2.56% | 8,696 | $3.74 | $3.60 $3.75 |
| Sep 16, 2026 | $3.88 | $3.98 | $3.50 | $3.52 | $-0.52 | -12.76% | 71,975 | $3.69 | $3.50 $3.98 |
| Sep 15, 2026 | $3.80 | $4.18 | $3.79 | $4.04 | +$0.19 | +4.81% | 5,863 | $3.93 | $3.79 $4.18 |
| Sep 14, 2026 | $3.97 | $4.27 | $3.80 | $3.85 | $-0.18 | -4.47% | 23,773 | $3.93 | $3.80 $4.27 |
| Sep 11, 2026 | $4.09 | $4.18 | $3.74 | $4.03 | $-0.01 | -0.25% | 68,707 | $3.98 | $3.74 $4.18 |
| Sep 10, 2026 | $4.15 | $4.28 | $3.90 | $4.04 | $-0.18 | -4.27% | 49,885 | $4.13 | $3.90 $4.28 |
| Sep 9, 2026 | $4.41 | $4.41 | $4.22 | $4.22 | $-0.09 | -2.09% | 3,323 | $4.32 | $4.22 $4.41 |
| Sep 8, 2026 | $4.00 | $4.72 | $4.00 | $4.31 | +$0.40 | +10.23% | 19,516 | $4.35 | $4.00 $4.72 |
| Sep 4, 2026 | $3.98 | $4.15 | $3.90 | $3.91 | $-0.19 | -4.59% | 9,242 | $3.94 | $3.90 $4.15 |
| Sep 3, 2026 | $4.27 | $4.32 | $3.95 | $4.10 | $-0.15 | -3.58% | 42,242 | $4.04 | $3.95 $4.32 |
| Sep 2, 2026 | $4.22 | $4.45 | $4.10 | $4.25 | +$0.10 | +2.41% | 10,712 | $4.23 | $4.10 $4.45 |
| Sep 1, 2026 | $4.20 | $4.20 | $4.15 | $4.15 | $-0.11 | -2.58% | 1,609 | $4.21 | $4.15 $4.20 |
| Aug 31, 2026 | $4.35 | $4.36 | $4.22 | $4.26 | $-0.21 | -4.59% | 4,953 | $4.31 | $4.22 $4.36 |
| Aug 28, 2026 | $4.58 | $4.75 | $4.47 | $4.47 | $-0.07 | -1.43% | 4,944 | $4.52 | $4.47 $4.75 |
| Aug 27, 2026 | $4.70 | $4.81 | $4.50 | $4.53 | $-0.13 | -2.79% | 7,096 | $4.62 | $4.50 $4.81 |
| Aug 26, 2026 | $4.67 | $4.80 | $4.57 | $4.66 | $-0.04 | -0.85% | 8,599 | $4.64 | $4.57 $4.80 |
| Aug 25, 2026 | $4.88 | $4.94 | $4.61 | $4.70 | $-0.14 | -2.89% | 29,287 | $4.82 | $4.61 $4.94 |
| Aug 24, 2026 | $4.43 | $4.89 | $4.35 | $4.84 | +$0.36 | +8.07% | 30,213 | $4.63 | $4.35 $4.89 |
| Aug 21, 2026 | $4.20 | $4.56 | $4.09 | $4.48 | $-0.21 | -4.40% | 23,066 | $4.35 | $4.09 $4.56 |