* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
STU:4CC0 vs TOMZ, RAIN, BNET: FCF Margin % Comparison
For the Pollution & Treatment Controls subindustry, ClearSign Technologies's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
ClearSign Technologies FCF Margin % vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, ClearSign Technologies's FCF Margin % distribution charts can be found below:
* The bar in red indicates where ClearSign Technologies's FCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
ClearSign Technologies (STU:4CC0) has a FCF Margin % of -740.00% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on ClearSign Technologies and its competitors. According to the industry distribution chart, ClearSign Technologies ranks #2928 out of 3036 companies in the Industrial Products industry, placing it in the top 96.4%.
Is ClearSign Technologies' FCF Margin % too high?
ClearSign Technologies' current FCF Margin % is -740.00%. Based on the distribution chart, ClearSign Technologies ranks #2928 out of 3036 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, ClearSign Technologies has a GF Score™ of 40/100, reflecting its overall financial health beyond just this single metric.
How does ClearSign Technologies' FCF Margin % compare to TOMZ and RAIN?
According to the Industrial Products industry distribution chart, ClearSign Technologies ranks #2928 out of 3036 companies for FCF Margin %. This places ClearSign Technologies in the lower half of its industry. The industry median FCF Margin % is 1.56. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for an Industrial Products company?
The median FCF Margin % among Industrial Products companies is 1.56, based on 3,036 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on ClearSign Technologies and its competitors. For the Industrial Products industry, the median FCF Margin % is 1.56 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ClearSign Technologies's current FCF Margin % is -740.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ClearSign Technologies stock overvalued right now?
ClearSign Technologies (STU:4CC0) has a current FCF Margin % of -740.00%. The stock's GF Value™ is €14.85, compared to a current price of €3.52 — trading 76.3% below its estimated fair value. The current FCF Margin % is -740.00%. ClearSign Technologies' overall GF Score™ is 40/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For ClearSign Technologies (STU:4CC0), the current FCF Margin % is -740.00% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is ClearSign Technologies (STU:4CC0) Overvalued in 2026?
Based on GuruFocus' analysis, ClearSign Technologies stock appears to be undervalued.
The current stock price of €3.52 is trading 76.3% below its estimated GF Value™ of €14.85.
Key valuation signals for STU:4CC0:
FCF Margin %: -740.00%
GF Value™: €14.85 vs. price of €3.52 (76.3% below fair value)
No single metric tells the full story. See the STU:4CC0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ClearSign Technologies Corp is engaged in designing and develop technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial combustion systems, including emission and operational performance, energy efficiency and overall cost-effectiveness. Its ClearSign Core technology has been proved to be in full scale industrial test furnaces and boilers and first customer installations are currently operating in normal commercial applications The company offers products that include process burners, boiler burners, flares, and ClearSign Eye. The company operates in one segment: Combustion segment. The products of the company include: Process Burners, Midstream and Power, Flares, Boiler Burners, and Sensing Technology.
40GF Score
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