Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-07-03), Public Power's Beta is 0.9328.
Public Power (ATH:PPC) Beta Explanation
Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. We usually compare beta to 1. A beta of 1 indicates that the security's price will move with the market. A beta of less than 1 means that the security will be less volatile than the market. A beta of greater than 1 indicates that the security's price will be more volatile than the market.
Beta is primarily used in the Capital Asset Pricing Model (CAPM) to calculate the Cost of Equity, which can be used in the calculation of WACC %. The formula of Cost of Equity is:
Cost of Equity = Risk-Free Rate of Return + Beta of Asset * (Expected Return of the Market - Risk-Free Rate of Return)
Public Power Beta Related Terms
Public Power Beta Historical Data
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The historical data trend for Public Power's Beta 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.
For the Utilities - Renewable subindustry, Public Power's Beta, along with its competitors' market caps and Beta 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 Beta vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Public Power's Beta distribution charts can be found below:
* The bar in red indicates where Public Power's Beta falls into.
Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. A stock's beta can be calculated by dividing the product of the covariance of the individual stock's returns and the market's returns by the variance of the market's returns over a specified period. Basically, GuruFocus uses the returns calculated over three-year period.
Public Power (ATH:PPC) has a Beta of 0.9328 as of Jul. 03, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Public Power and its competitors.
Is Public Power's Beta too high?
Public Power's current Beta is 0.9328. Overall, Public Power has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Public Power's Beta compare to competitors?
Public Power's Beta of 0.9328 can be compared against companies in the Utilities - Independent Power Producers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beta for an Utilities - Independent Power Producers company?
A good Beta depends on the Utilities - Independent Power Producers industry context. However, Beta 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 Beta mean?
A high Beta can signal that a stock is expensive relative to its fundamentals. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Public Power and its competitors. Public Power's current Beta is 0.9328. 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 €15.32, compared to a current price of €23.70 — trading 54.7% above its estimated fair value. The current Beta is 0.9328. Public Power's overall GF Score™ is 74/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Beta calculated?
Beta is calculated from a company's financial statements. For Public Power (ATH:PPC), the current Beta is 0.9328 as of Jul. 03, 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 €23.70 is trading 54.7% above its estimated GF Value™ of €15.32.
GuruFocus considers Public Power to be Significantly Overvalued.
Key valuation signals for ATH:PPC:
Beta: 0.9328
GF Value™: €15.32 vs. price of €23.70 (54.7% 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.
74GF Score
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