What is ClearSign Combustion Corporation (CLIR) stock price today?

ClearSign Combustion Corporation (CLIR) currently trades at $5.00 per share. The stock has a market capitalization of $27.04M and a P/E ratio of —x.

Is CLIR stock a buy, sell, or hold in 2026?

Based on WallStSmart's proprietary analysis, ClearSign Combustion Corporation has a Smart Value Score of 30/100 (Grade F), resulting in a "Strong Sell" investment rating. The Piotroski F-Score is —/9 and Altman Z-Score is —.

What is ClearSign Combustion Corporation's revenue and earnings?

ClearSign Combustion Corporation has trailing twelve-month (TTM) revenue of $5.23M with profit margins of -105.00%. Earnings per share (EPS) is $-0.10.

CLIR

ClearSign Combustion Corporation

NASDAQ: CLIR · INDUSTRIALS · POLLUTION & TREATMENT CONTROLS

$5.00

-6.89% today

Updated 2026-04-30

Market cap

$27.04M

P/E ratio

—

P/S ratio

5.17x

EPS (TTM)

$-0.10

Dividend yield

—

52W range

$3 – $11

Volume

0.1M

Market cap

$27.04M

P/E ratio

—

P/S ratio

5.17x

EPS (TTM)

$-0.10

Dividend yield

—

52W range

$3 – $11

Volume

0.1M

WallStSmart proprietary scores

out of 100

Grade: F

Strong Sell

Investment rating

8.0

Growth

5.0

Quality

C+

2.0

Profitability

5.0

Valuation

C+

—/9

Piotroski F-Score

—

Altman Z-Score

—

Industry rank

—

View all highly rated stocks (75+) →206 stocks currently score above 75

Price targets

Analyst target

$20.00

+300.00%

12-Month target

—

Intrinsic (DCF)

—

Margin of safety

—

Price chart

X-Ray snapshot

Strengths

+ Revenue growth 522.00% QoQ

Risks

- Thin margins at -105.00%

- Negative free cash flow $-1.30M

Key financials

Revenue Net Income Free Cash Flow

Metric	2022	2023	2024	2025	TTM
Revenue	$374000.00	$2.40M	$3.60M	$5.23M	$5.23M
Net income	$-5.76M	$-5.19M	$-5.30M	$-5.50M	$-311000.00
EPS	—	—	—	—	$-0.10
Free cash flow	$-5.16M	$-3.43M	$-4.59M	$-4.84M	$-1.30M
Profit margin	-1,539.57%	-216.15%	-147.36%	-105.01%	-105.00%

Peer comparison

Company	Mkt Cap	Score	Growth	Profit	Value	Quality	MoS	Rating
CLIR	$27.04M	30	8.0	2.0	5.0	5.0	—	Avoid
CAT	$414.16B	55	4.7	7.5	4.3	4.5	—	Buy
GEV	$308.81B	63	8.0	7.0	3.7	4.3	—	Buy
GE	$296.28B	59	4.0	8.0	3.7	5.3	—	Buy
RTX	$237.11B	59	7.3	6.0	3.3	6.0	-52.11%	Buy
BA	$176.67B	48	5.3	5.0	2.0	4.0	-42.42%	Hold

Smart narrative

ClearSign Combustion Corporation trades at $5.00. Our Smart Value Score of 30/100 indicates the stock is weak. TTM revenue stands at $5.23M. with profit margins at -105.00%.

Frequently asked questions

What is ClearSign Combustion Corporation's stock price?

ClearSign Combustion Corporation (CLIR) trades at $5.00.

Is ClearSign Combustion Corporation overvalued?

Smart Value Score 30/100 (Grade F, Strong Sell).

What is the price target of ClearSign Combustion Corporation (CLIR)?

The analyst target price is $20.00, representing +300.0% upside from the current price of $5.00.

What is ClearSign Combustion Corporation's revenue?

TTM revenue is $5.23M.

Company info

SectorINDUSTRIALS

IndustryPOLLUTION & TREATMENT CONTROLS

CountryUSA

ExchangeNASDAQ

CurrencyUSD

Quick metrics

P/S ratio5.17x

ROE-47.20%

Beta1.27

50D MA$5.14

200D MA$6.49

Shares out0.01B

Float0.00B

Short ratio—

Avg volume0.1M

Performance

1 week—

1 month—

3 months—

YTD—

1 year—

3 years—

5 years—

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