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NASDAQ · CLIR

ClearSign Technologies Corporation

Industrials · Industrial - Pollution & Treatment Controls

$2.43

Down-$0.01 (-0.21%)

Updated Nov 4, 2026, 11:21 PM

SID Score

5.2/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap
31.37M
P/E ratio
-5.17
Dividend yield
0.00%
52-week range
$0.52 – $7.56
Volume
14.9K
Avg. volume
819.03K

Price performance · CLIR

CLIR price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Nov 3, 2026

CLIR closed at $2.43 after 21 trading sessions, down 26.36% for the selected period.

Last close
$2.43
Period change
-26.36%
Period low
$2.30
Period high
$3.30
Daily close
View OHLC price history
CLIR OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Nov 3, 2026$2.33$2.46$2.33$2.4314.9K
Nov 2, 2026$2.3094$2.43$2.3094$2.3210.21K
Oct 30, 2026$2.405$2.426$2.20$2.3125.34K
Oct 29, 2026$2.48$2.52$2.38$2.469.19K
Oct 28, 2026$2.40$2.725$2.29$2.4811.34K
Oct 27, 2026$2.35$2.60$2.35$2.496.92K
Oct 26, 2026$2.3502$2.39$2.2001$2.3022.47K
Oct 23, 2026$2.40$2.53$2.17$2.3116.28K
Oct 22, 2026$2.51$2.51$2.22$2.453.13K
Oct 21, 2026$2.50$2.54$2.32$2.449.53K
Oct 20, 2026$2.43$2.52$2.43$2.4911.81K
Oct 19, 2026$2.50$2.56$2.12$2.3447.66K
Oct 16, 2026$2.54$2.69$2.36$2.4027.97K
Oct 15, 2026$2.771$2.7801$2.3501$2.4524.79K
Oct 14, 2026$2.83$2.85$2.62$2.63518.97K
Oct 13, 2026$3.01$3.125$2.855$2.8833.29K
Oct 12, 2026$3.20$3.23$2.92$2.9622.89K
Oct 9, 2026$3.12$3.32$3.12$3.2125.6K
Oct 8, 2026$3.265$3.43$3.11$3.1113.78K
Oct 7, 2026$3.24$3.385$3.24$3.309.69K
Oct 6, 2026$3.30$3.77$3.29$3.309.11K

Latest CLIR news

The latest Smart Investors Daily articles mentioning CLIR.

Stock researchCompany · Overview

CLIR research

Overview

Company profile and research snapshot.

Company profile

ClearSign Technologies Corp is engaged in providing solutions to some of the pressing productivity, energy efficiency, and pollution problems affecting the energy, oil, and gas production, boiler, and processing industries. It believes that its patented ClearSign Core technology can enhance the performance of combustion systems in a broad range of markets, including the energy (upstream oil production and downstream refining), institutional, commercial, and industrial boiler, chemical, and petrochemical industries. The company offers products that include process burners, boiler burners, flares, and ClearSign Eye.

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
—
Average target
—
Implied upside
—
Analysts
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CLIR recent ratings
DateFirmRatingTarget
Apr 14, 2026HC Wainwright & Co.Buy—
Apr 17, 2025HC Wainwright & Co.Buy—
Aug 22, 2024HC Wainwright & Co.Buy—
May 28, 2024HC Wainwright & Co.Buy—
Apr 24, 2024HC Wainwright & Co.Buy—
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News briefing

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Yahoo · Oct 22, 2026

ClearSign Selected to Present at the Starting Five Virtual Conference 2026 by MS Microcaps & GeoInvesting

CEO Jim Deller to Join Fireside Chat at 2:45ET on Oct 27thTULSA, OK / ACCESS Newswire / October 22, 2026 / Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that that it will be participating at the MS Microcaps & GeoInvesting Starting Five Virtual Conference.The virtual conferen

Yahoo · Oct 14, 2026

Fastenal (FAST) Beats Q3 Earnings Estimates

Fastenal (FAST) delivered earnings and revenue surprises of +2.94% and -0.95%, respectively, for the quarter ended September 2026. Do the numbers hold clues to what lies ahead for the stock?

Yahoo · Oct 1, 2026

ClearSign Receives Order for "M1" Series Burner from Tulsa Heaters Midstream (THM)

Fourth Burner Sold to THM for West Texas CustomerTULSA, OK / ACCESS Newswire / October 1, 2026 / Corporation (NASDAQ:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that it has received another purchase order for a ClearSign Core™ M1 burner. The order was received from heater manufacturer Tulsa He

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