ClearSign Technologies Corp (CLIR) stock analysis
Close on Nov 12, 2026Market cap $15.38MP/E –Yield –
StockData Score
Prices as of Nov 11, 2026How the score works
Mixed9 of 30 checks passed
ClearSign Technologies passes 9 of the 30 checks behind our score; 17 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.
- Valuation
- 1/6
- Growth
- 2/6
- Past performance
- 1/6
- Financial health
- 5/6
- Dividend
- 0/6
What stands out
No debt
ClearSign Technologies has no borrowings on its latest balance sheet.
Revenue growing 10%+ a year
Revenue grew 141% a year over the last three fiscal years.
Interest well covered
No meaningful interest expense to cover.
Debt covered by cash flow
There is no debt to cover.
What to watch
Elevated bankruptcy risk
The Altman Z-score is -8.68; above 3 is the safe zone and below 1.8 the distress zone.
Gross margin slipping
Gross margin was 18.5% over the last twelve months, against 29.8% a year earlier.
Net margin below the industry
ClearSign Technologies's net margin of -96.1% is below the Laboratory Apparatus and Analytical, Optical, Measuring, and Controlling Instruments median of -1.3%.
No dividend
ClearSign Technologies has not paid a dividend in the last twelve months.
Valuation1/6
P/E against its history
Not enough price and earnings history to compare.
P/E against the industry
Needs positive earnings and enough profitable companies in the industry.
EV/EBITDA against its history
Needs positive EBITDA and price history.
P/S below the industry
ClearSign Technologies's price-to-sales of 2.97 is below the Laboratory Apparatus and Analytical, Optical, Measuring, and Controlling Instruments median of 3.99 (book value is negative, so we use sales).
Price against fair value
We could not estimate a fair value: it needs at least two valuation methods with positive inputs.
Margin of safety
Depends on the fair value estimate.
Growth2/6
Revenue growing 10%+ a year
Revenue grew 141% a year over the last three fiscal years.
EPS growth over 3 years
Needs positive EPS three years ago and today.
Earnings acceleration
Needs positive net income now, a year ago and five years ago.
Growing faster than the industry
Revenue grew 82.7% over the last twelve months; the Laboratory Apparatus and Analytical, Optical, Measuring, and Controlling Instruments median is 8.4%.
Company guidance
No outlook found in earnings releases from the last twelve months.
Gross margin slipping
Gross margin was 18.5% over the last twelve months, against 29.8% a year earlier.
Past performance1/6
Return on equity
Needs positive equity and five years of results.
Return on invested capital
Needs operating income and invested capital.
Return on equity against the industry
Needs positive equity.
Earnings over 5 years
Needs positive net income five years ago and in the latest year.
Net margin above its 5-year average
Net margin was -96.1% over the last twelve months, against a 5-year average of -662%.
Net margin below the industry
ClearSign Technologies's net margin of -96.1% is below the Laboratory Apparatus and Analytical, Optical, Measuring, and Controlling Instruments median of -1.3%.
Financial health5/6
No debt
ClearSign Technologies has no borrowings on its latest balance sheet.
Debt not rising
With no debt today, leverage cannot have risen.
Debt covered by cash flow
There is no debt to cover.
Interest well covered
No meaningful interest expense to cover.
Short-term assets cover short-term debts
Current assets are 4.78 times current liabilities.
Elevated bankruptcy risk
The Altman Z-score is -8.68; above 3 is the safe zone and below 1.8 the distress zone.
Dividend0/6
No dividend
ClearSign Technologies has not paid a dividend in the last twelve months.
Yield against Treasuries
No dividend.
Yield against the market
No dividend.
Dividend stability
No dividend.
Earnings cover
No dividend.
Cash-flow cover
No dividend.
Fair value
How we estimate itWe don't publish a fair value for ClearSign Technologies. It needs a US-dollar share price, at least two valuation methods with positive inputs (earnings, EBITDA, book value or sales) and, for companies with several share classes, classes that trade at the same price.
Valuation over time
Using the earnings and balance sheet published at each date, not today's.
- P/B at month end
- Laboratory Apparatus and Analytical, Optical, Measuring, and Controlling Instruments median 3.2
An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.
Market risk
From the past year of daily prices.
Liquidity
High risk
- Average value traded per day
- $49.53K
- Value traded per 1% price move
- $12.49K
Downside
High risk
- Typical loss in a bad month
- 38.3%
- Volatility (annualized)
- 94%
- Sharpe ratio, 1 year
- -0.83
- Beta to the S&P 500 (5Y)
- 1.66
Typical bad-month loss, week by week
Margins
Share of revenue, fiscal years 2011 to 2025
Gross margin
Operating margin
Net margin
Growth rates
Compound annual growth to fiscal 2025
| Per year | 1 year | 3 years | 5 years | 10 years | Five-year pace |
|---|---|---|---|---|---|
| Revenue | +45.6% | +141.0% | – | +56.1% | |
| Gross profit | +27.4% | +130.7% | – | +62.6% |
Returns and balance sheet
10 fiscal years. Hover a measure to see how it is calculated.
| Measure | FY2016 | FY2020 | FY2025 | Trend |
|---|---|---|---|---|
| Return on equity | -150.8% | -73.4% | – | |
| Return on assets | -120.9% | -62.4% | -38.6% | |
| Current ratio | 1.12 | 8.69 | 4.34 | |
| Debt to equity | – | 0.03 | – | |
| Net debt to EBITDA | – | 1.28× | – | |
| Capex to revenue | 22.1% | – | 0.1% | |
| Diluted shares | 0M | 3M | 6M |
Cash use needs five years of cash flow figures
ClearSign Technologies does not report operating cash flow and capital expenditure for each of the last five fiscal years.
DuPont analysis
Return on equity split into margin, efficiency and leverage
| Fiscal year | Net margin | Asset turnover | Equity multiplier | Return on equity |
|---|---|---|---|---|
| FY2021 | -1300.0% | 0.06× | 1.15× | -88.6% |
| FY2018 | -1792.5% | 0.05× | 1.18× | -98.2% |
| FY2017 | -1792.6% | 0.13× | 1.81× | -414.0% |
| FY2016 | -1799.2% | 0.07× | 1.25× | -150.8% |
Piotroski F-Score
Nine tests of profitability, balance sheet and efficiency, fiscal 2025 against fiscal 2024
- ProfitableNet income above zero-$5.50M
- Cash generatingOperating cash flow above zero-$4.74M
- Return on assets improvedROA up on the prior year-69.5% → -33.8%
- Earnings backed by cashOperating cash flow above net income-$4.74M vs -$5.50M
- Less leverageLong-term debt to assets fell– → –
- Better liquidityCurrent ratio rose6.32 → 4.34
- No dilutionShare count did not rise5M → 6M
- Gross margin improvedGross margin up on the prior year31.09% → 27.21%
- More efficientAsset turnover rose0.47 → 0.32
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