Arendals Fossekompani ASA (OSL:AFK) 3-Year Sortino Ratio: 0.40 (As of Sep. 15, 2026)

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Director of Data and Quant Analytics at GuruFocus
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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.

OSL:AFK Arendals Fossekompani ASA OSL:AFK
64 GF Score
Price kr185.00
GF Value kr126.50
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Arendals Fossekompani ASA 3-Year Sortino Ratio?

Arendals Fossekompani ASA OSL:AFK 64 3-Year Sortino Ratio is 0.40 as of Sep. 15, 2026. GuruFocus rates OSL:AFK with a GF Score™ of 64/100 and a GF Value™ of kr126.50 (Significantly Overvalued). The stock has 7 warning signs investors should review.

The 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. As of today (2026-09-15), Arendals Fossekompani ASA's 3-Year Sortino Ratio is 0.40.


Arendals Fossekompani ASA  (OSL:AFK) 3-Year Sortino Ratio Explanation

The 3-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past three year. It is calculated as the annualized result of the average three-year monthly excess returns divided by the standard deviation of negative returns in the three-year period. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.

Differnt from the Sharpe Ratio that penalizes both upside and downside volatility equally, the Sortino Ratio penalizes only those returns falling below a user-specified target or required rate of return. The expected returns here is set to the risk-free rate as well.


Arendals Fossekompani ASA 3-Year Sortino Ratio Related Terms


OSL:AFK vs MMM, HON: 3-Year Sortino Ratio Comparison

For the Conglomerates subindustry, Arendals Fossekompani ASA's 3-Year Sortino Ratio, along with its competitors' market caps and 3-Year Sortino 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.


Arendals Fossekompani ASA 3-Year Sortino Ratio vs Conglomerates Industry

For the Conglomerates industry and Industrials sector, Arendals Fossekompani ASA's 3-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Arendals Fossekompani ASA's 3-Year Sortino Ratio falls into.


OSL:AFK
64GF Score
Arendals Fossekompani ASA OSL:AFK
3-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Arendals Fossekompani ASA 3-Year Sortino Ratio Calculation

The 3-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last three year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 3-Year Sortino Ratio can be calculated by dividing the difference between the three-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past three year.

A downside risk is a potential loss from the asset or investment. The Downside risk here is measured by the downside deviation, which is the standard deviation of negative returns.

Frequently Asked Questions Learn more about 3-Year Sortino Ratio →
What does a 3-Year Sortino Ratio of 0.40 mean?
Arendals Fossekompani ASA (OSL:AFK) has a 3-Year Sortino Ratio of 0.40 as of Sep. 15, 2026. 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. View historical data for Arendals Fossekompani ASA and its competitors.
Is Arendals Fossekompani ASA's 3-Year Sortino Ratio too high?
Arendals Fossekompani ASA's current 3-Year Sortino Ratio is 0.40. Overall, Arendals Fossekompani ASA has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Arendals Fossekompani ASA's 3-Year Sortino Ratio compare to MMM and HON?
Arendals Fossekompani ASA's 3-Year Sortino Ratio of 0.40 can be compared against companies in the Conglomerates industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Sortino Ratio for a Conglomerates company?
A good 3-Year Sortino Ratio depends on the Conglomerates industry context. However, 3-Year Sortino Ratio 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 3-Year Sortino Ratio mean?
A high 3-Year Sortino Ratio can signal that a stock is expensive relative to its fundamentals. 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. View historical data for Arendals Fossekompani ASA and its competitors. Arendals Fossekompani ASA's current 3-Year Sortino Ratio is 0.40. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Arendals Fossekompani ASA stock overvalued right now?
Based on GuruFocus' analysis, Arendals Fossekompani ASA (OSL:AFK) is currently considered Significantly Overvalued. The stock's GF Value™ is kr126.50, compared to a current price of kr185.00 — trading 46.2% above its estimated fair value. The current 3-Year Sortino Ratio is 0.40. Arendals Fossekompani ASA's overall GF Score™ is 64/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Sortino Ratio calculated?
3-Year Sortino Ratio is calculated from a company's financial statements. For Arendals Fossekompani ASA (OSL:AFK), the current 3-Year Sortino Ratio is 0.40 as of Sep. 15, 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 Arendals Fossekompani ASA (OSL:AFK) Overvalued in 2026?

Based on GuruFocus' analysis, Arendals Fossekompani ASA stock appears to be overvalued. The current stock price of kr185.00 is trading 46.2% above its estimated GF Value™ of kr126.50. GuruFocus considers Arendals Fossekompani ASA to be Significantly Overvalued.

Key valuation signals for OSL:AFK:

  • 3-Year Sortino Ratio: 0.40
  • GF Value™: kr126.50 vs. price of kr185.00 (46.2% above fair value)
  • GF Score™: 64/100 with 7 warning signs

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


Arendals Fossekompani ASA Business Description

Address Langbryggen 9, Arendal, NOR, 4841
Arendals Fossekompani ASA is an industrial investment company holding several core investments and a portfolio of financial investments. The company invests in and owns companies that make energy from renewable sources more usable and accessible, and that contribute to a more sustainable use of resources. It owns and operates two hydropower plants. In addition, the firm operates globally in many forward-looking industries, including 3D printing, algo trading, satellite services, battery and solar technology, software and digitalization, as well as various green energy technologies. The company has seven operating segments: Group Management, AFK Vannkraft, NSSLGIobaI, ENRX, Tekna, AFK Eiendom, and Others.
64GF Score

Get the complete analysis for OSL:AFK

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

kr185.00
Price
kr126.50
GF Value