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National Petroleum CoTPE:9937 +0.18%80 Earnings Yield (Joel Greenblatt) % is 5.14% as of Jun. 2026, which is 4% below its 10-year median of 5.35. GuruFocus rates TPE:9937 with a GF Score™ of 80/100 and a GF Value™ of NT$60.02 (Fairly Valued). The stock has 4 warning signs investors should review. Among 1,126 Retail - Cyclical companies, National Petroleum Co ranks worse than 52.58% on this metric.
National Petroleum Co's Enterprise Value for the quarter that ended in Jun. 2026 was NT$19,875 Mil.
National Petroleum Co's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was NT$1,022 Mil. National Petroleum Co's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was 5.14%.
The historical rank and industry rank for National Petroleum Co's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:
TPE:9937'
s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: 3.62 Med: 5.35 Max: 7.81
Current: 5.16
During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of National Petroleum Co was 7.81%. The lowest was 3.62%. And the median was 5.35%.
TPE:9937's Earnings Yield (Joel Greenblatt) % is ranked worse than 52.58% of 1126
companies
in the Retail - Cyclical industry
Industry Median: 5.53
vs TPE:9937: 5.16
Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.
A better indicator of the attractiveness of an investment which takes growth into account is the Forward Rate of Return (Yacktman) %. National Petroleum Co's Forward Rate of Return (Yacktman) % for the quarter that ended in Jun. 2026 was 4.64%. The Forward Rate of Return uses the normalized Free Cash Flow of the past five years, and considers growth. The forward rate of return can be thought of as the return that investors buying the stock today can expect from it in the future.
National Petroleum Co (TPE:9937) Earnings Yield (Joel Greenblatt) % Explanation
Joel Greenblatt defines the earnings yield using the above equation because it more accurately reflects the company's profitability relative to its stock price. Items like interest payment and tax etc. are not directly related to the company's operational profitability.
Enterprise Value instead of market cap (share price) is used in the calculation because it is the real price stock and bond investors together pay for the company.
Be Aware
Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.
National Petroleum Co Earnings Yield (Joel Greenblatt) % Related Terms
National Petroleum Co Earnings Yield (Joel Greenblatt) % Historical Data
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The historical data trend for National Petroleum Co's Earnings Yield (Joel Greenblatt) % 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.
National Petroleum Co Earnings Yield (Joel Greenblatt) % Chart
For the Specialty Retail subindustry, National Petroleum Co's Earnings Yield (Joel Greenblatt) %, along with its competitors' market caps and Earnings Yield (Joel Greenblatt) % 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.
National Petroleum Co Earnings Yield (Joel Greenblatt) % vs Retail - Cyclical Industry
For the Retail - Cyclical industry and Consumer Cyclical sector, National Petroleum Co's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where National Petroleum Co's Earnings Yield (Joel Greenblatt) % falls into.
National Petroleum Co Earnings Yield (Joel Greenblatt) % Calculation
In his book, The Little That Beat the Market, hedge fund manager Joel Greenblatt defines Earnings Yield as operating income divided by enterprise value.
National Petroleum Cos Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as
National Petroleum Co's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$1,022 Mil.
What does a Earnings Yield (Joel Greenblatt) % of 5.14% mean?
National Petroleum Co (TPE:9937) has a Earnings Yield (Joel Greenblatt) % of 5.14% as of Jun. 2026. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on National Petroleum Co and its competitors. This is near median its historical median of 5.35. Over the past decade, National Petroleum Co's Earnings Yield (Joel Greenblatt) % has ranged from 3.62 to 7.81. According to the industry distribution chart, National Petroleum Co ranks #592 out of 1126 companies in the Retail - Cyclical industry, placing it in the top 52.6%.
Is National Petroleum Co's Earnings Yield (Joel Greenblatt) % too high?
National Petroleum Co's current Earnings Yield (Joel Greenblatt) % of 5.14% is near median its 10-year median of 5.35. Over the past 10 years, this metric has ranged from a low of 3.62 to a high of 7.81. The Retail - Cyclical industry median Earnings Yield (Joel Greenblatt) % is 5.53. National Petroleum Co's value of 5.14% is 7.1% below this industry median. Based on the distribution chart, National Petroleum Co ranks #592 out of 1126 companies in the Retail - Cyclical industry, which is below the industry midpoint. Overall, National Petroleum Co has a GF Score™ of 80/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does National Petroleum Co's Earnings Yield (Joel Greenblatt) % compare to CASY and WSM?
According to the Retail - Cyclical industry distribution chart, National Petroleum Co ranks #592 out of 1126 companies for Earnings Yield (Joel Greenblatt) %. This places National Petroleum Co in the lower half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 5.53. National Petroleum Co's value of 5.14% is 7.1% below this benchmark. Historically, National Petroleum Co's own Earnings Yield (Joel Greenblatt) % has ranged from 3.62 to 7.81 over the past decade. While the company's 10-year median is 5.35 vs. the industry median of 5.53, National Petroleum Co 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 Earnings Yield (Joel Greenblatt) % for a Retail - Cyclical company?
The median Earnings Yield (Joel Greenblatt) % among Retail - Cyclical companies is 5.53, based on 1,126 companies in the industry. Companies in the top quartile (top 25%) have a Earnings Yield (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, Earnings Yield (Joel Greenblatt) % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. National Petroleum Co's current Earnings Yield (Joel Greenblatt) % of 5.14% is 7.1% 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 Earnings Yield (Joel Greenblatt) % mean?
A high Earnings Yield (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on National Petroleum Co and its competitors. For the Retail - Cyclical industry, the median Earnings Yield (Joel Greenblatt) % is 5.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. National Petroleum Co's current Earnings Yield (Joel Greenblatt) % is 5.14%, which is near median its own 10-year median of 5.35. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Petroleum Co stock overvalued right now?
Based on GuruFocus' analysis, National Petroleum Co (TPE:9937) is currently considered Fairly Valued. The stock's GF Value™ is NT$60.02, compared to a current price of NT$55.10 — trading 8.2% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 5.14%, which is near median its 10-year median of 5.35 and 7.1% below the Retail - Cyclical industry median of 5.53. National Petroleum Co's overall GF Score™ is 80/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Earnings Yield (Joel Greenblatt) % calculated?
Earnings Yield (Joel Greenblatt) % is calculated from a company's financial statements. For National Petroleum Co (TPE:9937), the current Earnings Yield (Joel Greenblatt) % is 5.14% 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.
Is National Petroleum Co (TPE:9937) Overvalued in 2026?
Based on GuruFocus' analysis, National Petroleum Co stock appears to be undervalued.
The current stock price of NT$55.10 is trading 8.2% below its estimated GF Value™ of NT$60.02.
GuruFocus considers National Petroleum Co to be Fairly Valued.
Key valuation signals for TPE:9937:
Earnings Yield (Joel Greenblatt) %: 5.14% (near median its 10-year median of 5.35)
GF Value™: NT$60.02 vs. price of NT$55.10 (8.2% below fair value)
Industry Position: 7.1% below the Retail - Cyclical median (#592 of 1126)
No single metric tells the full story. See the TPE:9937 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
National Petroleum Co Ltd is engaged in providing and selling gasoline, diesel, and lubricant, as well as car washing services. The main revenue of the Group is generated from the sales of refined petroleum products supplied and sold through the Group's gas stations. The sales targets are mainly consumers at gas stations.
80GF Score
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Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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