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ClearSign TechnologiesCLIR -1.30%29 3-Year Book Growth Rate is -10.70% as of Jun. 2026. GuruFocus rates CLIR with a GF Score™ of 29/100. The stock has 3 warning signs investors should review. Among 2,955 Industrial Products companies, ClearSign Technologies ranks worse than 90.25% on this metric.
During the past 12 months, ClearSign Technologies's average Book Value per Share Growth Rate was -21.50% per year.
During the past 3 years, the average Book Value per Share Growth Rate was -10.70% per year.
During the past 5 years, the average Book Value per Share Growth Rate was -9.20% per year.
During the past 10 years, the average Book Value per Share Growth Rate was -8.10% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of ClearSign Technologies was 41.90% per year. The lowest was -26.20% per year. And the median was -10.40% per year.
ClearSign Technologies (NAS:CLIR) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
ClearSign Technologies 3-Year Book Growth Rate Related Terms
CLIR vs BCHT, ZONE, LIQT: 3-Year Book Growth Rate Comparison
For the Pollution & Treatment Controls subindustry, ClearSign Technologies's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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 3-Year Book Growth Rate vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, ClearSign Technologies's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where ClearSign Technologies's 3-Year Book Growth Rate falls into.
ClearSign Technologies 3-Year Book Growth Rate Calculation
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of -10.70% mean?
ClearSign Technologies (CLIR) has a 3-Year Book Growth Rate of -10.70% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for ClearSign Technologies and its competitors. According to the industry distribution chart, ClearSign Technologies ranks #2667 out of 2955 companies in the Industrial Products industry, placing it in the top 90.3%.
Is ClearSign Technologies' 3-Year Book Growth Rate too high?
ClearSign Technologies' current 3-Year Book Growth Rate is -10.70%. Based on the distribution chart, ClearSign Technologies ranks #2667 out of 2955 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, ClearSign Technologies has a GF Score™ of 29/100, reflecting its overall financial health beyond just this single metric.
How does ClearSign Technologies' 3-Year Book Growth Rate compare to BCHT and ZONE?
According to the Industrial Products industry distribution chart, ClearSign Technologies ranks #2667 out of 2955 companies for 3-Year Book Growth Rate. This places ClearSign Technologies in the lower half of its industry. The industry median 3-Year Book Growth Rate is 5.90. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for an Industrial Products company?
The median 3-Year Book Growth Rate among Industrial Products companies is 5.90, based on 2,955 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for ClearSign Technologies and its competitors. For the Industrial Products industry, the median 3-Year Book Growth Rate is 5.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ClearSign Technologies's current 3-Year Book Growth Rate is -10.70%. 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 (CLIR) has a current 3-Year Book Growth Rate of -10.70%. The current 3-Year Book Growth Rate is -10.70%. ClearSign Technologies' overall GF Score™ is 29/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For ClearSign Technologies (CLIR), the current 3-Year Book Growth Rate is -10.70% as of Jun. 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.
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.
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