OPAL (OPAL Fuels) Shiller PE Ratio: (As of Sep. 08, 2026)

Author: Vera Yuan Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

OPAL OPAL Fuels Inc OPAL
76 GF Score
Price $2.01
GF Value $3.23
Valuation Possible Value Trap
! 7 Warning Signs
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What is OPAL Fuels Shiller PE Ratio?

OPAL Fuels does not have a history long enough to calculate E10. Therefore GuruFocus does not calculate Shiller PE Ratio for this company.

Shiller PE for Stocks: The True Measure of Stock Valuation


OPAL Fuels  (NAS:OPAL) Shiller PE Ratio Explanation

Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.

Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.


Be Aware

Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.


OPAL Fuels Shiller PE Ratio Related Terms


OPAL Fuels Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for OPAL Fuels's Shiller PE 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.

OPAL Fuels Shiller PE Ratio Chart

OPAL Fuels Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
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OPAL Fuels Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shiller PE 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 0.00 0.00 0.00 0.00 0.00

OPAL vs RGCO, ATO, NI: Shiller PE Ratio Comparison

For the Engineering & Construction subindustry, OPAL Fuels's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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.


OPAL Fuels Shiller PE Ratio vs Construction Industry

For the Construction industry and Industrials sector, OPAL Fuels's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where OPAL Fuels's Shiller PE Ratio falls into.


OPAL
76GF Score
OPAL Fuels Inc OPAL
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

OPAL Fuels Shiller PE Ratio Calculation

For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

OPAL Fuels does not have a history long enough to calculate E10. Therefore GuruFocus does not calculate Shiller PE Ratio for this company.

Is OPAL Fuels (OPAL) Overvalued in 2026?

Based on GuruFocus' analysis, OPAL Fuels stock appears to be undervalued. The current stock price of $2.01 is trading 37.9% below its estimated GF Value™ of $3.23. GuruFocus considers OPAL Fuels to be Possible Value Trap.

Key valuation signals for OPAL:

  • Shiller PE Ratio:
  • GF Value™: $3.23 vs. price of $2.01 (37.9% below fair value)
  • GF Score™: 76/100 with 7 warning signs

No single metric tells the full story. See the OPAL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


OPAL Fuels Business Description

Other Exchanges X3G:Germany
Address One North Lexington Avenue, Suite 1450, White Plains, NY, USA, 10601
OPAL Fuels Inc is a fully integrated leader in the capture and conversion of biogas into low-carbon-intensity renewable natural gas and Renewable Power. The company is also engaged in the marketing and distribution of RNG to heavy-duty trucking and other hard-to-decarbonize industrial sectors. The company designs, develops, constructs, operates, and services Fueling Stations for trucking fleets across the country that use natural gas to displace diesel as their transportation fuel. The company derives revenue from the sale of Renewable Power, design, development, construction, and service of Fueling Stations, and sales of RNG produced by OPAL and third parties as pipeline-quality natural gas. The Company has three operating segments: RNG Fuel, Fuel Station Services, and Renewable Power.
76GF Score

Get the complete analysis for OPAL

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

$2.01
Price
$3.23
GF Value