stockNASDAQ: CLIR • 6 Months Updates

ClearSign Technologies Corporation Common Stock (DE) (CLIR) 6 Months

Showing Closing Date Range from Apr 19 to Oct 16, 2026.

Price & Performance Trajectory

ClearSign Technologies Corporation Common Stock (DE)NASDAQ: CLIR

Latest Close
$2.40
-55.64%
6 Months Updates Trajectory
Showing Closing Date Range from Apr 19 to Oct 16, 2026.
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Click metric scorecards below to toggle price, return %, range & volume curvesCLIR session performance
✓ Latest Close USD
$2.40
Latest session close
$-3.01vs period start
Period Return % % GAIN
-55.64%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$5.8 / $2.35
Period range envelope
$3.45channel spread
Total Volume SHARES
2.16M
Period turnover
Avg: 17.6K/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(123 dates)
DateClose (USD)Return %HighLowVolume
Oct 16, 2026$2.40+0.84% $2.69$2.3628.0K
Oct 15, 2026$2.45-7.02% $2.78$2.3524.8K
Oct 14, 2026$2.64-8.51% $2.85$2.6219.0K
Oct 13, 2026$2.88-1.37% $3.13$2.8633.3K
Oct 12, 2026$2.96-7.79% $3.23$2.9222.9K
Oct 09, 2026$3.21+2.23% $3.32$3.1525.4K
Oct 08, 2026$3.11-5.76% $3.43$3.1113.7K
Oct 07, 2026$3.30+0.00% $3.39$3.249.9K
Oct 06, 2026$3.30+0.00% $3.77$3.309.1K
Oct 05, 2026$3.30-3.25% $3.74$3.3041.7K
Oct 02, 2026$3.51-1.13% $3.64$3.4128.2K
Sep 30, 2026$3.55-5.84% $3.86$3.557.8K
Sep 25, 2026$3.45-0.29% $3.60$3.3811.7K
Sep 24, 2026$3.46-2.26% $3.73$3.4117.4K
Sep 23, 2026$3.54-5.60% $4.01$3.4736.9K
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