ClearSign Technologies Corp (CLIR) stock

CLIRNasdaqIndustrial Instruments For Measurement, Display, and ControlFiscal year ends December 31

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026Score 9/30

$2.30+0.04 (+1.77%)

Close on Nov 13, 2026Market cap $15.66MP/E –Yield –

ClearSign Technologies statistics

66 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings: Nov 20, 2026 (estimated, after the close)
Last ex-dividend date: No dividends
Fundamentals through: Jun 30, 2026
Share price as of: Nov 13, 2026

Valuation ratiosIndustry

Market Cap: $15.66M; $498.53M
Enterprise Value: $5.77M; $433.11M
PS Ratio: 2.87; 2.94

Enterprise valuationIndustry

EV / Sales: 1.06; 2.60

Share statisticsIndustry

Shares Outstanding: 7M; 43M
Shares Change (YoY): 3.50%; 3.32%
Shares Change (QoQ): 16.6%; 0.20%
Float: 2M; 37M
Shares Held by Insiders: 64.4%; 10.5%
Shares Held by Institutions: 6.86%; 60.5%

Short sellingIndustry

Short Interest: 9,959; –
Short Interest Change: -34.6%; -2.57%
Short % of Float: 0.41%; 5.11%
Short % of Shares Outstanding: 0.15%; 3.98%
Days to Cover: 1.00; 3.94

Stock price statisticsIndustry

52-Week High: $9.80; –
52-Week Low: $2.12; –
20-Day Moving Average: $2.38; –
50-Day Moving Average: $3.05; –
200-Day Moving Average: $4.24; –
Average True Range (14): $0.24; –
Price Change (1 Week): -2.54%; 0.99%
Price Change (1 Month): -6.12%; -3.52%
Price Change (3 Months): -49.6%; -7.86%
Price Change (6 Months): -51.2%; -1.12%
Price Change (YTD): -58.6%; -2.92%
Price Change (1 Year): -72.3%; -1.37%
Price Change (3 Years): -74.4%; 3.24%
Price Change (5 Years): -87.4%; -50.4%
Price Change (10 Years): -94.8%; 58.9%
Average Volume (10 Days): 12,781; –
Average Volume (20 Days): 14,574; –
Average Volume (90 Days): 17,035; –
Relative Volume: 0.09; 0.76
Relative Strength Index (14): 36.2; 46.7
Volatility (1 Year): 94.3%; 64.2%
Beta (5 Years): 1.65; 1.04

MarginsIndustry

Gross Margin: 18.5%; 55.9%
Operating Margin: -116.5%; -5.12%
Profit Margin: -96.1%; -9.29%
EBITDA Margin: -116.5%; -2.52%

Returns on capitalIndustry

Return on Assets (ROA): -39.6%; -12.3%
Return on Capital Employed (ROCE): -64.5%; -8.13%

Financial positionIndustry

Current Ratio: 4.78; 2.49
Quick Ratio: 4.33; 1.53

GrowthIndustry

Revenue Growth (YoY): 82.7%; 9.42%
Revenue Growth (3Y CAGR): 141.0%; 7.08%

EfficiencyIndustry

Asset Turnover: 0.41; 0.59
Revenue Per Employee: $363.40K; $331.99K
Profits Per Employee: -$349.13K; -$46.47K
Employee Count: 15; 193
WACC: 13.3%; 9.91%

Income statement (TTM)Industry

Revenue: $5.45M; $108.17M
Gross Profit: $1.01M; $62.29M
Operating Income: -$6.35M; -$3.72M
Net Income: -$5.24M; -$6.19M
EBITDA: -$6.35M; -$1.98M
EPS (Diluted): -$0.93; -$0.11

Balance sheetIndustry

Cash & Short-Term Investments: $9.89M; $38.97M
Net Cash (Debt): $9.89M; $3.95M
Net Cash Per Share: $1.45; $0.26
Working Capital: $8.85M; $57.32M

Cash flow (TTM)Industry

Operating Cash Flow: -$5.70M; -$483.87K

Dividends and yieldsIndustry

Earnings Yield: -33.4%; -4.76%

Scores and fair valueIndustry

Altman Z-Score: -8.82; 2.47
Piotroski F-Score: 2; 5

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

Period	CLIR	S&P 500	Difference	CLIR per year	S&P 500 per year
1 month	-20.1%	-3.0%	−17.1 pts
3 months	-45.9%	-2.8%	−43.1 pts
Year to date	-58.6%	+11.5%	−70.1 pts
1 year	-73.4%	+13.5%	−86.9 pts
3 years	-73.3%	+77.7%	−151.0 pts	-35.6%	+21.1%
5 years	-87.4%	+72.6%	−160.0 pts	-34.0%	+11.5%
10 years	-94.5%	+308.2%	−402.7 pts	-25.2%	+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

0M CLIR shares were sold short on Oct 30, 2026, down 34.6% from the previous report, or 0.41% of the shares available to trade. At recent volumes it would take 1.0 days to buy them back. Over the last 20 sessions, 27.3% of the volume reported to FINRA was short selling.

Settlement date	Shares short	Change	Avg. daily volume	Days to cover
Oct 30, 2026	9,959	-34.6%	17,120	1.0
Oct 15, 2026	15,234	+14.8%	21,870	1.0
Sep 30, 2026	13,272	-20.9%	20,619	1.0
Sep 15, 2026	16,769	-13.6%	23,299	1.0
Aug 31, 2026	19,407	+1.5%	17,909	1.1
Aug 14, 2026	19,128	+2.5%	11,319	1.7
Jul 31, 2026	18,663	+15.6%	12,980	1.4
Jul 15, 2026	16,141	-26.8%	11,412	1.4
Jun 30, 2026	22,041	-3.4%	15,504	1.4
Jun 15, 2026	22,811	-14.2%	13,947	1.6
May 29, 2026	26,590	+2.0%	26,958	1.0
May 15, 2026	26,072	-0.2%	18,056	1.4

Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.

Where these numbers come from

Parsed from the XBRL in ClearSign Technologies's annual and quarterly filings with the SEC
Per-share figures adjusted for the 1-for-10 reverse split on Mar 16, 2026
Fourth quarters derived from the annual report minus nine months
Every figure in the statements links to its source filing

Against peers

Trailing twelve months. Peers are matched on business description, industry and size. Ticks are peers, the dot is CLIR.

Compare: CLIR vs FCUV · CLIR vs MSAI · CLIR vs INIS · CLIR vs SCND · CLIR vs LCTC

Revenue growth82.7% · median 11.5%

Gross margin18.5% · median 48.3%

Operating margin-116.5% · median -116.3%

Net margin-96.1% · median -75.1%

Company	Revenue	Growth
INIS	$11.23M	-23.7%
LCTC	$9.53M	+10.0%
MSAI	$6.20M	+11.5%
SCND	$5.68M	+20.6%
CLIR	$5.45M	+82.7%
FCUV	$1.53M	+293.9%

Company

Next earnings (est.): Nov 20, 2026, after close
Exchange: Nasdaq
Industry: Industrial Instruments For Measurement, Display, and Control
Fiscal year ends: December 31
Employees: 15
Held by institutions: 6.9%
Auditor: BPM CPA LLP
SEC CIK: 1434524

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