ClearSign TechnologiesCLIR -2.11%40 Cyclically Adjusted PB Ratio is 0.93 as of Jul. 10, 2026, which is 44% below its 10-year median of 1.65. GuruFocus rates CLIR with a GF Scoreâ„¢ of 40/100 and a GF Valueâ„¢ of $14.96 (Possible Value Trap). The stock has 2 warning signs investors should review. Among 2,294 Industrial Products companies, ClearSign Technologies ranks better than 78.33% on this metric.
The historical rank and industry rank for ClearSign Technologies's Cyclically Adjusted PB Ratio or its related term are showing as below:
CLIR'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.82 Med: 1.65 Max: 9.23
Current: 0.95
During the past years, ClearSign Technologies's highest Cyclically Adjusted PB Ratio was 9.23. The lowest was 0.82. And the median was 1.65.
CLIR's Cyclically Adjusted PB Ratio is ranked better than 78.33% of 2294
companies
in the Industrial Products industry
Industry Median: 2.29
vs CLIR: 0.95
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
ClearSign Technologies's adjusted book value per share data for the three months ended in Mar. 2026 was $1.410. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $4.02 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
ClearSign Technologies (NAS:CLIR) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
ClearSign Technologies Cyclically Adjusted PB Ratio Related Terms
ClearSign Technologies Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for ClearSign Technologies's Cyclically Adjusted PB Ratio can be seen below:
* 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 Cyclically Adjusted PB Ratio Chart
CLIR vs RAIN, TOMZ, LIQT: Cyclically Adjusted PB Ratio Comparison
For the Pollution & Treatment Controls subindustry, ClearSign Technologies's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio 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 Cyclically Adjusted PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, ClearSign Technologies's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where ClearSign Technologies's Cyclically Adjusted PB Ratio falls into.
ClearSign Technologies Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
* 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.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PB Ratio of 0.93 mean?
ClearSign Technologies (CLIR) has a Cyclically Adjusted PB Ratio of 0.93 as of Jul. 10, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on ClearSign Technologies and its competitors. This is 44% below median its historical median of 1.65. Over the past decade, ClearSign Technologies' Cyclically Adjusted PB Ratio has ranged from 0.82 to 9.23. According to the industry distribution chart, ClearSign Technologies ranks #497 out of 2294 companies in the Industrial Products industry, placing it in the top 21.7%.
Is ClearSign Technologies' Cyclically Adjusted PB Ratio too high?
ClearSign Technologies' current Cyclically Adjusted PB Ratio of 0.93 is 44% below median its 10-year median of 1.65. Over the past 10 years, this metric has ranged from a low of 0.82 to a high of 9.23. The Industrial Products industry median Cyclically Adjusted PB Ratio is 2.29. ClearSign Technologies' value of 0.93 is 59.4% below this industry median. Based on the distribution chart, ClearSign Technologies ranks #497 out of 2294 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, ClearSign Technologies has a GF Score™ of 40/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does ClearSign Technologies' Cyclically Adjusted PB Ratio compare to RAIN and TOMZ?
According to the Industrial Products industry distribution chart, ClearSign Technologies ranks #497 out of 2294 companies for Cyclically Adjusted PB Ratio. This places ClearSign Technologies in the top 22% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 2.29. ClearSign Technologies' value of 0.93 is 59.4% below this benchmark. Historically, ClearSign Technologies' own Cyclically Adjusted PB Ratio has ranged from 0.82 to 9.23 over the past decade. While the company's 10-year median is 1.65 vs. the industry median of 2.29, ClearSign Technologies has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for an Industrial Products company?
The median Cyclically Adjusted PB Ratio among Industrial Products companies is 2.29, based on 2,294 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. ClearSign Technologies's current Cyclically Adjusted PB Ratio of 0.93 is 59.4% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on ClearSign Technologies and its competitors. For the Industrial Products industry, the median Cyclically Adjusted PB Ratio is 2.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ClearSign Technologies's current Cyclically Adjusted PB Ratio is 0.93, which is 44% below median its own 10-year median of 1.65. 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?
Based on GuruFocus' analysis, ClearSign Technologies (CLIR) is currently considered Possible Value Trap. The stock's GF Value™ is $14.96, compared to a current price of $3.72 — trading 75.1% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.93, which is 44% below median its 10-year median of 1.65 and 59.4% below the Industrial Products industry median of 2.29. 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 Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For ClearSign Technologies (CLIR), the current Cyclically Adjusted PB Ratio is 0.93 as of Jul. 10, 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 (CLIR) Overvalued in 2026?
Based on GuruFocus' analysis, ClearSign Technologies stock appears to be undervalued.
The current stock price of $3.72 is trading 75.1% below its estimated GF Value™ of $14.96.
GuruFocus considers ClearSign Technologies to be Possible Value Trap.
Key valuation signals for CLIR:
Cyclically Adjusted PB Ratio: 0.93 (44% below median its 10-year median of 1.65)
GF Value™: $14.96 vs. price of $3.72 (75.1% below fair value)
Industry Position: 59.4% below the Industrial Products median (#497 of 2294)
No single metric tells the full story. See the CLIR 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.
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