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ClearSign Technologies (CLIR) Stock Chart & Stock Price History

ClearSign Technologies logo
$3.64 +0.02 (+0.55%)
Closing price 06/29/2026 04:00 PM Eastern
Extended Trading
$3.64 +0.00 (+0.03%)
As of 09:25 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

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 34.99%, with a year-to-date return of -34.54%. In the past month, the stock has decreased 21.38%, reflecting recent market activity.

As of the latest close, ClearSign Technologies traded at $3.64 with a market cap of $19.70 million and volume of 6,330 shares. Five years ago, the stock traded at a split-adjusted price of $48.00, representing a 92.42% decrease over that period. At the time, it had a market cap of $150.29 million and a volume of 4,868 shares.

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5 Day
Performance
+7.37%
1 Month
Performance
-21.38%
3 Month
Performance
-5.45%
Year-To-Date
Performance
-34.54%
1 Year
Performance
-34.99%
5 Year
Performance
-92.42%

CLIR Stock Chart for Tuesday, June, 30, 2026

ClearSign Technologies Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
06/29/2026$3.63$3.64
+0.41%
$3.69$3.506,330 shs$19.70 million
06/26/2026$3.39$3.63
+6.93%
$3.70$3.3914,654 shs$19.62 million
06/25/2026$3.59$3.39
-5.62%
$3.63$3.3914,409 shs$18.34 million
06/24/2026$3.71$3.59
-3.18%
$3.86$3.525,173 shs$19.43 million
06/23/2026$3.72$3.71
-0.27%
$3.77$3.594,871 shs$20.08 million
06/22/2026$3.79$3.72
-1.85%
$3.94$3.6219,042 shs$20.13 million
06/19/2026$3.79$3.79$4.10$3.7134,007 shs$20.50 million
06/18/2026$4.05$3.79
-6.42%
$4.10$3.7134,007 shs$20.50 million
06/17/2026$4.12$4.05
-1.70%
$4.14$4.0213,975 shs$21.92 million
06/16/2026$4.14$4.12
-0.48%
$4.33$4.0725,761 shs$22.29 million
06/15/2026$4.08$4.14
+1.47%
$4.28$4.0812,549 shs$22.40 million
06/12/2026$4.21$4.08
-2.97%
$4.29$4.0810,994 shs$22.07 million
06/11/2026$4.19$4.21
+0.36%
$4.32$4.0716,093 shs$22.76 million
06/10/2026$4.16$4.19
+0.72%
$4.34$4.0718,238 shs$22.67 million
06/09/2026$4.15$4.16
+0.24%
$4.43$4.0722,774 shs$22.51 million
06/08/2026$3.94$4.15
+5.33%
$4.25$3.9319,702 shs$22.46 million
06/05/2026$4.28$3.94
-7.94%
$4.40$3.949,512 shs$21.33 million
06/04/2026$4.38$4.28
-2.28%
$4.48$4.2817,549 shs$23.16 million
06/03/2026$4.42$4.38
-0.79%
$4.47$4.3811,034 shs$23.70 million
06/02/2026$4.47$4.42
-1.23%
$4.55$4.369,664 shs$24.19 million
06/01/2026$4.63$4.47
-3.46%
$4.66$3.737,940 shs$24.18 million
05/29/2026$4.56$4.63
+1.54%
$4.69$4.2757,987 shs$25.05 million

This page (NASDAQ:CLIR) was last updated on 6/30/2026 by MarketBeat.com Staff.
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