Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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.
Public PowerATH:PPC +1.20%77 Earnings Yield (Joel Greenblatt) % is 0.00% as of Jun. 2026. GuruFocus rates ATH:PPC with a GF Score™ of 77/100 and a GF Value™ of €14.14 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 487 Utilities - Independent Power Producers companies, Public Power ranks better than 70.02% on this metric.
Public Power's Enterprise Value for the quarter that ended in Jun. 2026 was €17,511 Mil.
Public Power's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was €1,083 Mil. Public Power's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was 0.00%.
The historical rank and industry rank for Public Power's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:
ATH:PPC'
s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -46.27 Med: 4.19 Max: 11.6
Current: 6.41
During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Public Power was 11.60%. The lowest was -46.27%. And the median was 4.19%.
ATH:PPC's Earnings Yield (Joel Greenblatt) % is ranked better than 70.02% of 487
companies
in the Utilities - Independent Power Producers industry
Industry Median: 3.22
vs ATH:PPC: 6.41
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) %. Public Power's Forward Rate of Return (Yacktman) % for the quarter that ended in Jun. 2026 was 0.00%. 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.
Public Power (ATH:PPC) 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.
Public Power Earnings Yield (Joel Greenblatt) % Related Terms
Public Power Earnings Yield (Joel Greenblatt) % Historical Data
* Premium members only.
The historical data trend for Public Power'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.
Public Power Earnings Yield (Joel Greenblatt) % Chart
Public Power Earnings Yield (Joel Greenblatt) % Competitor Comparison
For the Utilities - Renewable subindustry, Public Power'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.
Public Power Earnings Yield (Joel Greenblatt) % vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Public Power's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where Public Power's Earnings Yield (Joel Greenblatt) % falls into.
Public Power 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.
Public Powers Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as
For company reported semi-annually or annually, GuruFocus only calculate annual data for Earnings Yield (Joel Greenblatt) and apply the annual figure to corresponding quarter.
What does a Earnings Yield (Joel Greenblatt) % of 0.00% mean?
Public Power (ATH:PPC) has a Earnings Yield (Joel Greenblatt) % of 0.00% 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 Public Power and its competitors. According to the industry distribution chart, Public Power ranks #146 out of 487 companies in the Utilities - Independent Power Producers industry, placing it in the top 30%.
Is Public Power's Earnings Yield (Joel Greenblatt) % too high?
Public Power's current Earnings Yield (Joel Greenblatt) % is 0.00%. Based on the distribution chart, Public Power ranks #146 out of 487 companies in the Utilities - Independent Power Producers industry, which is above the industry midpoint. Overall, Public Power has a GF Score™ of 77/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Public Power's Earnings Yield (Joel Greenblatt) % compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, Public Power ranks #146 out of 487 companies for Earnings Yield (Joel Greenblatt) %. This puts Public Power in the upper half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 3.22. 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 an Utilities - Independent Power Producers company?
The median Earnings Yield (Joel Greenblatt) % among Utilities - Independent Power Producers companies is 3.22, based on 487 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. 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 Public Power and its competitors. For the Utilities - Independent Power Producers industry, the median Earnings Yield (Joel Greenblatt) % is 3.22 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Public Power's current Earnings Yield (Joel Greenblatt) % is 0.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Public Power stock overvalued right now?
Based on GuruFocus' analysis, Public Power (ATH:PPC) is currently considered Significantly Overvalued. The stock's GF Value™ is €14.14, compared to a current price of €21.96 — trading 55.3% above its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 0.00%. Public Power's overall GF Score™ is 77/100 with 7 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 Public Power (ATH:PPC), the current Earnings Yield (Joel Greenblatt) % is 0.00% 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 Public Power (ATH:PPC) Overvalued in 2026?
Based on GuruFocus' analysis, Public Power stock appears to be overvalued.
The current stock price of €21.96 is trading 55.3% above its estimated GF Value™ of €14.14.
GuruFocus considers Public Power to be Significantly Overvalued.
Key valuation signals for ATH:PPC:
Earnings Yield (Joel Greenblatt) %: 0.00%
GF Value™: €14.14 vs. price of €21.96 (55.3% above fair value)
No single metric tells the full story. See the ATH:PPC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Public Power Corp SA is a public electric utility company with the Hellenic Republic as its main shareholder. The company is involved in generating, transmitting, and distributing electric energy. The company, along with its subsidiaries, operates a variety of power plants, including natural gas, coal, hydroelectric, wind, and solar plants. PPC majorly generates electricity from its thermal energy facilities. The company is divided into segments including Production/Supply, which includes production from lignite, oil, natural gas, and renewable energy sources, as well as lignite mining in support of production and supply activities in Greece and Romania. Other segments include the Distribution network and others.
77GF Score
Get the complete analysis for ATH:PPC
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ATH:PPC has been successfully added to your 
