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The 5-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past five years. As of today (2026-09-22), Norwegian Air Shuttle ASA's 5-Year Sortino Ratio is 0.46.
Norwegian Air Shuttle ASA (OSL:NAS) 5-Year Sortino Ratio Explanation
The 5-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past five year. It is calculated as the annualized result of the average five-year monthly excess returns divided by the standard deviation of negative returns in the five-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.
Norwegian Air Shuttle ASA 5-Year Sortino Ratio Related Terms
OSL:NAS vs DAL, UAL, LUV: 5-Year Sortino Ratio Comparison
For the Airlines subindustry, Norwegian Air Shuttle ASA's 5-Year Sortino Ratio, along with its competitors' market caps and 5-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.
Norwegian Air Shuttle ASA 5-Year Sortino Ratio vs Transportation Industry
For the Transportation industry and Industrials sector, Norwegian Air Shuttle ASA's 5-Year Sortino Ratio distribution charts can be found below:
* The bar in red indicates where Norwegian Air Shuttle ASA's 5-Year Sortino Ratio falls into.
Norwegian Air Shuttle ASA 5-Year Sortino Ratio Calculation
The 5-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last five year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 5-Year Sortino Ratio can be calculated by dividing the difference between the five-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past five 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.
Norwegian Air Shuttle ASA (OSL:NAS) has a 5-Year Sortino Ratio of 0.46 as of Sep. 22, 2026. 5-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past five years. View historical data for Norwegian Air Shuttle ASA and its competitors.
Is Norwegian Air Shuttle ASA's 5-Year Sortino Ratio too high?
Norwegian Air Shuttle ASA's current 5-Year Sortino Ratio is 0.46. Overall, Norwegian Air Shuttle ASA has a GF Score™ of 72/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Norwegian Air Shuttle ASA's 5-Year Sortino Ratio compare to DAL and UAL?
Norwegian Air Shuttle ASA's 5-Year Sortino Ratio of 0.46 can be compared against companies in the Transportation industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 5-Year Sortino Ratio for a Transportation company?
A good 5-Year Sortino Ratio depends on the Transportation industry context. However, 5-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 5-Year Sortino Ratio mean?
A high 5-Year Sortino Ratio can signal that a stock is expensive relative to its fundamentals. 5-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past five years. View historical data for Norwegian Air Shuttle ASA and its competitors. Norwegian Air Shuttle ASA's current 5-Year Sortino Ratio is 0.46. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Norwegian Air Shuttle ASA stock overvalued right now?
Based on GuruFocus' analysis, Norwegian Air Shuttle ASA (OSL:NAS) is currently considered Modestly Undervalued. The stock's GF Value™ is kr15.92, compared to a current price of kr12.18 — trading 23.5% below its estimated fair value. The current 5-Year Sortino Ratio is 0.46. Norwegian Air Shuttle ASA's overall GF Score™ is 72/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 5-Year Sortino Ratio calculated?
5-Year Sortino Ratio is calculated from a company's financial statements. For Norwegian Air Shuttle ASA (OSL:NAS), the current 5-Year Sortino Ratio is 0.46 as of Sep. 22, 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 Norwegian Air Shuttle ASA (OSL:NAS) Overvalued in 2026?
Based on GuruFocus' analysis, Norwegian Air Shuttle ASA stock appears to be undervalued.
The current stock price of kr12.18 is trading 23.5% below its estimated GF Value™ of kr15.92.
GuruFocus considers Norwegian Air Shuttle ASA to be Modestly Undervalued.
Key valuation signals for OSL:NAS:
5-Year Sortino Ratio: 0.46
GF Value™: kr15.92 vs. price of kr12.18 (23.5% below fair value)
No single metric tells the full story. See the OSL:NAS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Norwegian Air Shuttle ASA is a Norwegian low-cost airline operating under the Norwegian brand. It provides short-haul passenger flights within Norway and the Nordic region and to destinations across Europe, serving leisure and business travellers through a point-to-point network. The company operates a fleet of Boeing 737 aircraft, including the 737-800 and 737 MAX 8, and focuses on a single-class, low-fare model with ancillary revenue from baggage, seat selection, and onboard sales. Its main base is at Oslo Airport Gardermoen, with additional bases in Norway, Denmark, Sweden, and Finland. Norwegian also operates the loyalty programme Norwegian Reward. The Wideroe regional airline, previously part of the group, was sold in 2023. The company is listed on the Oslo Stock Exchange.
72GF Score
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