CSGQF (Costain Group) 10-Year Sortino Ratio: -0.17 (As of Sep. 15, 2026)

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CSGQF Costain Group PLC CSGQF
54 GF Score
Price $1.38
GF Value $0.59
! 5 Warning Signs
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What is Costain Group 10-Year Sortino Ratio?

Costain Group CSGQF 54 10-Year Sortino Ratio is -0.17 as of Sep. 15, 2026. GuruFocus rates CSGQF with a GF Score™ of 54/100 and a GF Value™ of $0.59. The stock has 5 warning signs investors should review.

The 10-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past ten years. As of today (2026-09-15), Costain Group's 10-Year Sortino Ratio is -0.17.


Costain Group  (OTCPK:CSGQF) 10-Year Sortino Ratio Explanation

The 10-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past ten year. It is calculated as the annualized result of the average ten-year monthly excess returns divided by the standard deviation of negative returns in the ten-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.


Costain Group 10-Year Sortino Ratio Related Terms


CSGQF vs PWR, FIX, EME: 10-Year Sortino Ratio Comparison

For the Engineering & Construction subindustry, Costain Group's 10-Year Sortino Ratio, along with its competitors' market caps and 10-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.


Costain Group 10-Year Sortino Ratio vs Construction Industry

For the Construction industry and Industrials sector, Costain Group's 10-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Costain Group's 10-Year Sortino Ratio falls into.


CSGQF
54GF Score
Costain Group PLC CSGQF
10-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Costain Group 10-Year Sortino Ratio Calculation

The 10-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last ten year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 10-Year Sortino Ratio can be calculated by dividing the difference between the ten-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past ten 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 10-Year Sortino Ratio →
What does a 10-Year Sortino Ratio of -0.17 mean?
Costain Group (CSGQF) has a 10-Year Sortino Ratio of -0.17 as of Sep. 15, 2026. 10-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past ten years. View historical data for Costain Group and its competitors.
Is Costain Group's 10-Year Sortino Ratio too high?
Costain Group's current 10-Year Sortino Ratio is -0.17. Overall, Costain Group has a GF Score™ of 54/100, reflecting its overall financial health beyond just this single metric.
How does Costain Group's 10-Year Sortino Ratio compare to PWR and FIX?
Costain Group's 10-Year Sortino Ratio of -0.17 can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 10-Year Sortino Ratio for a Construction company?
A good 10-Year Sortino Ratio depends on the Construction industry context. However, 10-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 10-Year Sortino Ratio mean?
A high 10-Year Sortino Ratio can signal that a stock is expensive relative to its fundamentals. 10-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past ten years. View historical data for Costain Group and its competitors. Costain Group's current 10-Year Sortino Ratio is -0.17. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Costain Group stock overvalued right now?
Costain Group (CSGQF) has a current 10-Year Sortino Ratio of -0.17. The stock's GF Value™ is $0.59, compared to a current price of $1.38 — trading 133.1% above its estimated fair value. The current 10-Year Sortino Ratio is -0.17. Costain Group's overall GF Score™ is 54/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 10-Year Sortino Ratio calculated?
10-Year Sortino Ratio is calculated from a company's financial statements. For Costain Group (CSGQF), the current 10-Year Sortino Ratio is -0.17 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 Costain Group (CSGQF) Overvalued in 2026?

Based on GuruFocus' analysis, Costain Group stock appears to be overvalued. The current stock price of $1.38 is trading 133.1% above its estimated GF Value™ of $0.59.

Key valuation signals for CSGQF:

  • 10-Year Sortino Ratio: -0.17
  • GF Value™: $0.59 vs. price of $1.38 (133.1% above fair value)
  • GF Score™: 54/100 with 5 warning signs

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


Costain Group Business Description

Other Exchanges COSTl:UKCOST:UK
Address 70 Saint Mary Axe, Seventh Floor, London, GBR, EC3A 8BE
Costain Group PLC offers solutions and services. It provides engineering and technology solutions and advisory and development, design, management, project delivery, technology integration and asset optimization and support services to highways, nuclear, oil and gas, power, water sectors, rail. The company has two segments Transportation and Natural resources. The transportation segment covers highways, rail, and nuclear markets and the Natural resources segment comprises of water, power and oil and gas markets. Majority of revenue is from Transportation Segment.
54GF Score

Get the complete analysis for CSGQF

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

$1.38
Price
$0.59
GF Value