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ClearSign Technologies (CLIR) Stock Chart & Stock Price History

ClearSign Technologies logo
$3.18 +0.07 (+2.28%)
As of 10/9/2026 04:00 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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ClearSign Technologies Stock Price Performance

The ClearSign Technologies (CLIR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 62.67%, with a year-to-date return of -42.28%. In the past month, the stock has decreased 19.93%, reflecting recent market activity.

As of the latest close, ClearSign Technologies traded at $3.21 with a market cap of $21.85 million and volume of 25,603 shares. Five years ago, the stock traded at a split-adjusted price of $18.10, representing a 82.27% decrease over that period. At the time, it had a market cap of $56.98 million and a volume of 12,716 shares.

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5 Day
Performance
-2.73%
1 Month
Performance
-19.93%
3 Month
Performance
-12.77%
Year-To-Date
Performance
-42.28%
1 Year
Performance
-62.67%
5 Year
Performance
-82.27%

CLIR Stock Chart for Saturday, October, 10, 2026

CLIR Chart by TradingView

ClearSign Technologies Stock Price History

Price Date
0 Results
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
10/09/2026$3.11$3.21
+3.22%		$3.32$3.1225,603 shs$21.85 million
10/08/2026$3.30$3.11
-5.76%		$3.43$3.1113,777 shs$21.18 million
10/07/2026$3.30$3.30$3.39$3.249,691 shs$22.47 million
10/06/2026$3.30$3.30$3.77$3.299,113 shs$22.46 million
10/05/2026$3.51$3.30
-5.98%		$3.74$3.3041,680 shs$22.47 million
10/02/2026$3.55$3.51
-1.13%		$3.64$3.4128,443 shs$23.90 million
10/01/2026$3.55$3.55$3.76$3.2613,980 shs$24.18 million
09/30/2026$3.76$3.55
-5.46%		$3.86$3.557,794 shs$24.17 million
09/29/2026$3.65$3.76
+2.88%		$3.90$3.656,792 shs$25.57 million
09/28/2026$3.48$3.65
+5.04%		$3.71$3.2931,808 shs$24.86 million
09/25/2026$3.46$3.48
+0.43%		$3.60$3.3811,660 shs$23.67 million
09/24/2026$3.54$3.46
-2.26%		$3.73$3.4117,414 shs$23.56 million
09/23/2026$3.75$3.54
-5.60%		$4.01$3.4736,854 shs$24.11 million
09/22/2026$3.79$3.75
-1.06%		$3.96$3.756,101 shs$25.54 million
09/21/2026$3.85$3.79
-1.56%		$4.05$3.7910,781 shs$25.81 million
09/18/2026$3.61$3.85
+6.65%		$3.90$3.7119,242 shs$26.22 million
09/17/2026$3.52$3.61
+2.56%		$3.75$3.608,696 shs$24.57 million
09/16/2026$3.87$3.52
-9.04%		$3.98$3.5071,972 shs$23.97 million
09/15/2026$3.85$3.87
+0.52%		$4.18$3.795,865 shs$26.36 million
09/14/2026$3.96$3.85
-2.73%		$4.27$3.8023,774 shs$26.21 million
09/11/2026$4.01$3.96
-1.27%		$4.18$3.7468,707 shs$26.94 million
09/10/2026$4.24$4.01
-5.47%		$4.28$3.9049,885 shs$27.30 million
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This page (NASDAQ:CLIR) was last updated on 10/9/2026 by MarketBeat.com Staff.
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