ClearSign Technologies (FRA:4CC0) Cyclically Adjusted PB Ratio: 1.09 (As of Aug. 11, 2026) — 33% Below Median

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FRA:4CC0 ClearSign Technologies Corp FRA:4CC0
27 GF Score
Price €3.80
! 2 Warning Signs
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What is ClearSign Technologies Cyclically Adjusted PB Ratio?

ClearSign Technologies FRA:4CC0 27 Cyclically Adjusted PB Ratio is 1.09 as of Aug. 11, 2026, which is 33% below its 10-year median of 1.63. GuruFocus rates FRA:4CC0 with a GF Score™ of 27/100. The stock has 2 warning signs investors should review. Among 2,242 Industrial Products companies, ClearSign Technologies ranks better than 78.01% on this metric.

As of today (2026-08-11), ClearSign Technologies's current share price is €3.80. ClearSign Technologies's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €3.50. ClearSign Technologies's Cyclically Adjusted PB Ratio for today is 1.09.

The historical rank and industry rank for ClearSign Technologies's Cyclically Adjusted PB Ratio or its related term are showing as below:

FRA:4CC0' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.82   Med: 1.63   Max: 9.23
Current: 0.97

During the past years, ClearSign Technologies's highest Cyclically Adjusted PB Ratio was 9.23. The lowest was 0.82. And the median was 1.63.

FRA:4CC0's Cyclically Adjusted PB Ratio is ranked better than
78.01% of 2242 companies
in the Industrial Products industry
Industry Median: 2.19 vs FRA:4CC0: 0.97

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 €1.219. 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 €3.50 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


ClearSign Technologies  (FRA:4CC0) 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

ClearSign Technologies Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.06 0.85 1.90 2.62 1.33

ClearSign Technologies Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1.46 1.17 1.72 1.33 1.08

FRA:4CC0 vs LIQT, RAIN, EESH: 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.


FRA:4CC0
27GF Score
ClearSign Technologies Corp FRA:4CC0
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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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.

ClearSign Technologies's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.80/3.50
=1.09

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, ClearSign Technologies's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=1.219/330.2130*330.2130
=1.219

Current CPI (Mar. 2026) = 330.2130.

ClearSign Technologies Quarterly Data

Book Value per Share CPI Adj_Book
201606 5.482 241.018 7.511
201609 2.987 241.428 4.085
201612 1.639 241.432 2.242
201703 5.546 243.801 7.512
201706 4.096 244.955 5.522
201709 2.610 246.819 3.492
201712 1.316 246.524 1.763
201803 4.608 249.554 6.097
201806 3.963 251.989 5.193
201809 6.214 252.439 8.128
201812 5.567 251.233 7.317
201903 4.944 254.202 6.422
201906 4.211 256.143 5.429
201909 3.645 256.759 4.688
201912 3.108 256.974 3.994
202003 2.578 258.115 3.298
202006 2.106 257.797 2.698
202009 3.100 260.280 3.933
202012 2.607 260.474 3.305
202103 3.201 264.877 3.991
202106 3.096 271.696 3.763
202109 2.536 274.310 3.053
202112 2.321 278.802 2.749
202203 2.136 287.504 2.453
202206 2.653 296.311 2.957
202209 2.868 296.808 3.191
202212 2.372 296.797 2.639
202303 2.080 301.836 2.276
202306 1.713 305.109 1.854
202309 1.444 307.789 1.549
202312 1.231 306.746 1.325
202403 1.051 312.332 1.111
202406 2.940 314.175 3.090
202409 2.659 315.301 2.785
202412 2.614 315.605 2.735
202503 2.125 319.799 2.194
202506 1.722 322.561 1.763
202509 1.473 324.800 1.498
202512 1.527 324.054 1.556
202603 1.219 330.213 1.219

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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 1.09 mean?
ClearSign Technologies (FRA:4CC0) has a Cyclically Adjusted PB Ratio of 1.09 as of Aug. 11, 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 33% below median its historical median of 1.63. 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 #493 out of 2242 companies in the Industrial Products industry, placing it in the top 22%.
Is ClearSign Technologies' Cyclically Adjusted PB Ratio too high?
ClearSign Technologies' current Cyclically Adjusted PB Ratio of 1.09 is 33% below median its 10-year median of 1.63. 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 2.19. ClearSign Technologies' value of 1.09 is 50.2% below this industry median. Based on the distribution chart, ClearSign Technologies ranks #493 out of 2242 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 27/100, reflecting its overall financial health beyond just this single metric.
How does ClearSign Technologies' Cyclically Adjusted PB Ratio compare to LIQT and RAIN?
According to the Industrial Products industry distribution chart, ClearSign Technologies ranks #493 out of 2242 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 2.19. ClearSign Technologies' value of 1.09 is 50.2% 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 1.63 vs. the industry median of 2.19, 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 2.19, based on 2,242 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 1.09 is 50.2% 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 2.19 — 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 1.09, which is 33% below median its own 10-year median of 1.63. 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 (FRA:4CC0) has a current Cyclically Adjusted PB Ratio of 1.09. The current Cyclically Adjusted PB Ratio is 1.09, which is 33% below median its 10-year median of 1.63 and 50.2% below the Industrial Products industry median of 2.19. ClearSign Technologies' overall GF Score™ is 27/100 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 (FRA:4CC0), the current Cyclically Adjusted PB Ratio is 1.09 as of Aug. 11, 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 Business Description

Other Exchanges CLIR:USA0I0B:UK
Address 8023 East 63rd Place, Suite 101, Tulsa, OK, USA, 74133
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.
27GF Score

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Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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