CTNGY (Costain Group) GF Score: 59/100 (As of Jul. 06, 2026) — 13% Above Median


CTNGY Costain Group PLC CTNGY
59 GF Score
Price $3.30
GF Value $1.19
! 5 Warning Signs
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What is Costain Group GF Score?

Costain Group CTNGY 59 GF Score is 59 as of Jul. 06, 2026, which is 13% above its 10-year median of 52.00. GuruFocus rates CTNGY with a GF Score™ of 59/100 and a GF Value™ of $1.19. The stock has 5 warning signs investors should review.

Costain Group has the GF Score of 59, which implies that the company might have Poor future performance potential.

The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.

GF Score takes following five key aspects into consideration:

1. Financial Strength : 9/10
2. Profitability Rank : 5/10
3. Growth Rank : 5/10
4. GF Value Rank : 1/10
5. Momentum Rank : 9/10

Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.

Based on research and backtesting result, GuruFocus believes Costain Group might have Poor future performance potential.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.

Costain Group  (OTCPK:CTNGY) GF Score Explanation

Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:

GF Score Performance Potential and All-in-One Screener Examples (1)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.

Costain Group GF Score Related Terms

CTNGY vs PWR, FIX, EME: GF Score Comparison

For the Engineering & Construction subindustry, Costain Group's GF Score, along with its competitors' market caps and GF Score 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 GF Score vs Construction Industry

For the Construction industry and Industrials sector, Costain Group's GF Score distribution charts can be found below:

* The bar in red indicates where Costain Group's GF Score falls into.


CTNGY
59GF Score
Costain Group PLC CTNGY
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 59 mean?
Costain Group (CTNGY) has a GF Score of 59 as of Jul. 06, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Costain Group and its competitors. This is 13% above median its historical median of 52.00. Over the past decade, Costain Group's GF Score has ranged from 36.00 to 59.00.
Is Costain Group's GF Score too high?
Costain Group's current GF Score of 59 is 13% above median its 10-year median of 52.00. Over the past 10 years, this metric has ranged from a low of 36.00 to a high of 59.00. Overall, Costain Group has a GF Score™ of 59/100, reflecting its overall financial health beyond just this single metric.
How does Costain Group's GF Score compare to PWR and FIX?
Costain Group's GF Score of 59 can be compared against companies in the Construction industry. Historically, Costain Group's own GF Score has ranged from 36.00 to 59.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for a Construction company?
A good GF Score depends on the Construction industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Costain Group and its competitors. Costain Group's current GF Score is 59, which is 13% above median its own 10-year median of 52.00. 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 (CTNGY) has a current GF Score of 59. The stock's GF Value™ is $1.19, compared to a current price of $3.30 — trading 177.3% above its estimated fair value. The current GF Score is 59, which is 13% above median its 10-year median of 52.00. Costain Group's overall GF Score™ is 59/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For Costain Group (CTNGY), the current GF Score is 59 as of Jul. 06, 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 (CTNGY) Overvalued in 2026?

Based on GuruFocus' analysis, Costain Group stock appears to be overvalued. The current stock price of $3.30 is trading 177.3% above its estimated GF Value™ of $1.19.

Key valuation signals for CTNGY:

  • GF Score: 59 (13% above median its 10-year median of 52.00)
  • GF Value™: $1.19 vs. price of $3.30 (177.3% above fair value)
  • GF Score™: 59/100 with 5 warning signs

No single metric tells the full story. See the CTNGY 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.
59GF Score

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$3.30
Price
$1.19
GF Value