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Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-07-13), Summa Defence Oyj's Beta is -2.3758.
Summa Defence Oyj (OSTO:SUMMAS) 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)
Summa Defence Oyj Beta Related Terms
Summa Defence Oyj Beta Historical Data
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The historical data trend for Summa Defence Oyj'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 Aerospace & Defense subindustry, Summa Defence Oyj'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.
Summa Defence Oyj Beta vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Summa Defence Oyj's Beta distribution charts can be found below:
* The bar in red indicates where Summa Defence Oyj'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.
Summa Defence Oyj (OSTO:SUMMAS) has a Beta of -2.3758 as of Jul. 13, 2026. Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. View historical data for Summa Defence Oyj and its competitors.
Is Summa Defence Oyj's Beta too high?
Summa Defence Oyj's current Beta is -2.3758. Overall, Summa Defence Oyj has a GF Score™ of 53/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Summa Defence Oyj's Beta compare to SPCX and GE?
Summa Defence Oyj's Beta of -2.3758 can be compared against companies in the Aerospace & Defense 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 Aerospace & Defense company?
A good Beta depends on the Aerospace & Defense 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 Summa Defence Oyj and its competitors. Summa Defence Oyj's current Beta is -2.3758. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Summa Defence Oyj stock overvalued right now?
Based on GuruFocus' analysis, Summa Defence Oyj (OSTO:SUMMAS) is currently considered Possible Value Trap. The stock's GF Value™ is kr13.57, compared to a current price of kr6.53 — trading 51.9% below its estimated fair value. The current Beta is -2.3758. Summa Defence Oyj's overall GF Score™ is 53/100 with 6 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 Summa Defence Oyj (OSTO:SUMMAS), the current Beta is -2.3758 as of Jul. 13, 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 Summa Defence Oyj (OSTO:SUMMAS) Overvalued in 2026?
Based on GuruFocus' analysis, Summa Defence Oyj stock appears to be undervalued.
The current stock price of kr6.53 is trading 51.9% below its estimated GF Value™ of kr13.57.
GuruFocus considers Summa Defence Oyj to be Possible Value Trap.
Key valuation signals for OSTO:SUMMAS:
Beta: -2.3758
GF Value™: kr13.57 vs. price of kr6.53 (51.9% below fair value)
No single metric tells the full story. See the OSTO:SUMMAS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Summa Defence Oyj is a Finnish defense and security technology group supporting industry growth and strengthening industrial production capacity amid geopolitical change. Summa Defence focuses on dual-use technologies related to security of supply, situational awareness, mobility, and defense, which benefit the civilian, security, and defense sectors while strengthening comprehensive security, security of supply, and crisis management capabilities. Its products includes Multipurpose vessels, Multipurpose machinery, Watermaster, containers and modular spaces, Drones, XR near-eye display solutions, Griselda - Intelligence data fusion platform, and Renewable energy.
53GF Score
Get the complete analysis for OSTO:SUMMAS
Beta is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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