CLIR (ClearSign Technologies) Cyclically Adjusted FCF per Share: $-0.39 (As of Mar. 2026)


CLIR ClearSign Technologies Corp CLIR
40 GF Score
Price $3.84
GF Value $14.95
Valuation Possible Value Trap
! 2 Warning Signs
View Full Analysis

What is ClearSign Technologies Cyclically Adjusted FCF per Share?

ClearSign Technologies CLIR -6.34% 40 Cyclically Adjusted FCF per Share is $-0.39 as of Mar. 2026. GuruFocus rates CLIR with a GF Score™ of 40/100 and a GF Value™ of $14.95 (Possible Value Trap). The stock has 2 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted FCF per Share and the Cyclically Adjusted Price-to-FCF. The Cyclically Adjusted FCF per Share is the average of the inflation adjusted Free Cash Flow per Share of a company over the past 10 years.

ClearSign Technologies's adjusted free cash flow per share for the three months ended in Mar. 2026 was $-0.251. Add all the adjusted free cash flow per share for the past 10 years together and divide the count will get our Cyclically Adjusted FCF per Share, which is $-0.39 for the trailing ten years ended in Mar. 2026.

During the past 3 years, the average Cyclically Adjusted FCF Growth Rate was 10.80% per year. During the past 5 years, the average Cyclically Adjusted FCF Growth Rate was 9.90% 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 Cyclically Adjusted FCF Growth Rate using Cyclically Adjusted FCF per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted FCF Growth Rate of ClearSign Technologies was 12.90% per year. The lowest was 6.30% per year. And the median was 10.80% per year.

As of today (2026-07-08), ClearSign Technologies's current stock price is $3.84. ClearSign Technologies's Cyclically Adjusted FCF per Share for the quarter that ended in Mar. 2026 was $-0.39. ClearSign Technologies's Cyclically Adjusted Price-to-FCF of today is .


ClearSign Technologies  (NAS:CLIR) Cyclically Adjusted FCF per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted FCF per Share may underestimate the company's free cash flow. Cyclically Adjusted Price-to-FCF can seem to be too high even the actual Price-to-Free-Cash-Flow is low.

For the Cyclically Adjusted Price-to-FCF, the free cash flow per share of the past 10 years are inflation-adjusted and averaged. The result is used for P/FCF calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted Price-to-FCF is also called CAPFCF Ratio.

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 Price-to-FCF. The Cyclically Adjusted FCF per Share is the average of the inflation adjusted free cash flow per share of a company over the past 10 years.


Be Aware

Cyclically Adjusted Price-to-FCF works better for cyclical companies. It gives you a better idea on the company's real free cash flow value.


ClearSign Technologies Cyclically Adjusted FCF per Share Related Terms


ClearSign Technologies Cyclically Adjusted FCF per Share Historical Data

* Premium members only.

The historical data trend for ClearSign Technologies's Cyclically Adjusted FCF per Share 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 FCF per Share Chart

ClearSign Technologies Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted FCF per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only -0.65 -0.55 -0.51 -0.43 -0.39

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 FCF per Share 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 -0.43 -0.42 -0.41 -0.39 -0.39

CLIR vs RAIN, TOMZ, LIQT: Cyclically Adjusted FCF per Share Comparison

For the Pollution & Treatment Controls subindustry, ClearSign Technologies's Cyclically Adjusted Price-to-FCF, along with its competitors' market caps and Cyclically Adjusted Price-to-FCF 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 Price-to-FCF vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, ClearSign Technologies's Cyclically Adjusted Price-to-FCF distribution charts can be found below:

* The bar in red indicates where ClearSign Technologies's Cyclically Adjusted Price-to-FCF falls into.


CLIR
40GF Score
ClearSign Technologies Corp CLIR
Cyclically Adjusted FCF per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

ClearSign Technologies Cyclically Adjusted FCF per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted FCF per Share and the Cyclically Adjusted Price-to-FCF. The Cyclically Adjusted FCF per Share is the average of the inflation adjusted Free Cash Flow per Share of a company over the past 10 years.

What is Cyclically Adjusted FCF per Share? How do we calculate Cyclically Adjusted FCF per Share?

Cyclically Adjusted FCF per Share is the average of the inflation adjusted Free Cash Flow per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted FCF per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the free cash flow per share from 2001 through 2010.

We adjusted the 2001 free cash flow per share data with the total inflation from 2001 through 2010 to the equivalent free cash flow in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's free cash flow is $1 a share in 2001, then the 2001's equivalent free cash flow in 2010 is $1.4 a share. If Wal-Mart's free cash flow is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 free cash flow in 2010 is $1.35. So on and so forth, you get the equivalent free cash flow per share of past 10 years. Then you add them together and divided the sum by the count to get Cyclically Adjusted FCF 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.

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

Adj_FreeCashFlowPerShare= Free Cash Flow per Share /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=-0.251/330.2130*330.2130
=-0.251

Current CPI (Mar. 2026) = 330.2130.

ClearSign Technologies Quarterly Data

Free Cash Flow per Share CPI Adj_FreeCashFlowPerShare
201606 -0.194 241.018 -0.266
201609 -0.140 241.428 -0.191
201612 -0.177 241.432 -0.242
201703 -0.161 243.801 -0.218
201706 -0.132 244.955 -0.178
201709 -0.125 246.819 -0.167
201712 -0.145 246.524 -0.194
201803 -0.111 249.554 -0.147
201806 -0.133 251.989 -0.174
201809 -0.073 252.439 -0.095
201812 -0.083 251.233 -0.109
201903 -0.082 254.202 -0.107
201906 -0.077 256.143 -0.099
201909 -0.059 256.759 -0.076
201912 -0.057 256.974 -0.073
202003 -0.055 258.115 -0.070
202006 -0.063 257.797 -0.081
202009 -0.041 260.280 -0.052
202012 -0.062 260.474 -0.079
202103 -0.052 264.877 -0.065
202106 -0.069 271.696 -0.084
202109 -0.061 274.310 -0.073
202112 -0.039 278.802 -0.046
202203 -0.048 287.504 -0.055
202206 -0.056 296.311 -0.062
202209 -0.025 296.808 -0.028
202212 -0.020 296.797 -0.022
202303 -0.015 301.836 -0.016
202306 0.000 305.109 0.000
202309 -0.034 307.789 -0.036
202312 -0.040 306.746 -0.043
202403 -0.027 312.332 -0.029
202406 -0.034 314.175 -0.036
202409 -0.027 315.301 -0.028
202412 -0.008 315.605 -0.008
202503 -0.209 319.799 -0.216
202506 -0.010 322.561 -0.010
202509 -0.033 324.800 -0.034
202512 -0.023 324.054 -0.023
202603 -0.251 330.213 -0.251

Add all the adjusted free cash flow per share together and divide 10 will get our Cyclically Adjusted FCF per Share.

What does a Cyclically Adjusted FCF per Share of $-0.39 mean?
ClearSign Technologies (CLIR) has a Cyclically Adjusted FCF per Share of $-0.39 as of Mar. 2026. Cyclically Adjusted FCF per Share represents the company's inflation-adjusted FCF per share over a 10-year period. View historical data on ClearSign Technologies and its competitors.
Is ClearSign Technologies' Cyclically Adjusted FCF per Share too high?
ClearSign Technologies' current Cyclically Adjusted FCF per Share is $-0.39. 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 FCF per Share compare to RAIN and TOMZ?
ClearSign Technologies' Cyclically Adjusted FCF per Share of $-0.39 can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted FCF per Share for an Industrial Products company?
A good Cyclically Adjusted FCF per Share depends on the Industrial Products industry context. However, Cyclically Adjusted FCF per Share 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 Cyclically Adjusted FCF per Share mean?
A high Cyclically Adjusted FCF per Share can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted FCF per Share represents the company's inflation-adjusted FCF per share over a 10-year period. View historical data on ClearSign Technologies and its competitors. ClearSign Technologies's current Cyclically Adjusted FCF per Share is $-0.39. 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 $14.95, compared to a current price of $3.84 — trading 74.3% below its estimated fair value. The current Cyclically Adjusted FCF per Share is $-0.39. 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 FCF per Share calculated?
Cyclically Adjusted FCF per Share is calculated from a company's financial statements. For ClearSign Technologies (CLIR), the current Cyclically Adjusted FCF per Share is $-0.39 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 (CLIR) Overvalued in 2026?

Based on GuruFocus' analysis, ClearSign Technologies stock appears to be undervalued. The current stock price of $3.84 is trading 74.3% below its estimated GF Value™ of $14.95. GuruFocus considers ClearSign Technologies to be Possible Value Trap.

Key valuation signals for CLIR:

  • Cyclically Adjusted FCF per Share: $-0.39
  • GF Value™: $14.95 vs. price of $3.84 (74.3% below fair value)
  • GF Score™: 40/100 with 2 warning signs

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 Business Description

Other Exchanges 0I0B: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.
40GF Score

Get the complete analysis for CLIR

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

$3.84
Price
$14.95
GF Value