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Costain GroupCSGQF 58 Earnings per Share (Diluted) is $0.18 as of Dec. 2025. GuruFocus rates CSGQF with a GF Score™ of 58/100 and a GF Value™ of $0.50. The stock has 5 warning signs investors should review. Among 1,336 Construction companies, Costain Group ranks better than 52.1% on this metric.
Costain Group's EPS (Basic) for the
six
months ended in Dec. 2025 was $0.11.
Its EPS (Basic) for the trailing twelve months (TTM) ended in Dec. 2025 was $0.19.
During the past 12 months, Costain Group's average EPS without NRIGrowth Rate was 23.40% per year.
During the past 3 years, the average EPS without NRIGrowth Rate was 11.40% per year.
During the past 5 years, the average EPS without NRIGrowth Rate was 13.70% per year.
During the past 10 years, the average EPS without NRIGrowth Rate was -11.40% per year.
During the past 13 years, Costain Group's highest 3-Year average EPS without NRI Growth Rate was 139.20% per year. The lowest was -60.40% per year. And the median was 3.70% per year.
Costain Group (OTCPK:CSGQF) Earnings per Share (Diluted) Explanation
Earnings Per Share (EPS) is the single most important variable used by Wall Street in determining the earnings power of a company. But investors need to be aware that Earnings per Share can be easily manipulated by adjusting depreciation and amortization rate or non-recurring items. That's why GuruFocus lists EPS without NRI, which better reflects the company's underlying performance.
Be Aware
Compared with Earnings per share, a company's cash flow is better indicator of the company's earnings power.
If a company's earnings per share is less than cash flow per share over long term, investors need to be cautious and find out why.
Costain Group Earnings per Share (Diluted) Related Terms
Costain Group Earnings per Share (Diluted) Historical Data
* Premium members only.
The historical data trend for Costain Group's Earnings per Share (Diluted) 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.
CSGQF vs PWR, FIX, EME: Earnings per Share (Diluted) Comparison
For the Engineering & Construction subindustry, Costain Group's PE Ratio, along with its competitors' market caps and PE 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 PE Ratio vs Construction Industry
For the Construction industry and Industrials sector, Costain Group's PE Ratio distribution charts can be found below:
* The bar in red indicates where Costain Group's PE Ratio falls into.
Costain Group Earnings per Share (Diluted) Calculation
Earnings Per Share (EPS) is the amount of earnings per outstanding share of the company's stock. In calculating earnings per share, the dividends of preferred stocks need to subtracted from the total net income first.
Costain Group's Earnings Per Share (Diluted) for the fiscal year that ended in Dec. 2025 is calculated as
Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Dec. 2025 adds up the semi-annually data reported by the company within the most recent 12 months, which was $0.18
* 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.
Companies also reported diluted shares in their financial reports. Diluted shares include the shares of convertibles or warrants outstanding.
What does a Earnings per Share (Diluted) of $0.18 mean?
Costain Group (CSGQF) has a Earnings per Share (Diluted) of $0.18 as of Dec. 2025. Diluted EPS equals net earnings divided by average shares outstanding, including dilutive securities. View historical data on Costain Group and its competitors. According to the industry distribution chart, Costain Group ranks #640 out of 1336 companies in the Construction industry, placing it in the top 47.9%.
Is Costain Group's Earnings per Share (Diluted) too high?
Costain Group's current Earnings per Share (Diluted) is $0.18. The Construction industry median Earnings per Share (Diluted) is 9.65. Costain Group's value of $0.18 is 98.1% below this industry median. Based on the distribution chart, Costain Group ranks #640 out of 1336 companies in the Construction industry, which is above the industry midpoint. Overall, Costain Group has a GF Score™ of 58/100, reflecting its overall financial health beyond just this single metric.
How does Costain Group's Earnings per Share (Diluted) compare to PWR and FIX?
According to the Construction industry distribution chart, Costain Group ranks #640 out of 1336 companies for Earnings per Share (Diluted). This puts Costain Group in the upper half of its industry. The industry median Earnings per Share (Diluted) is 9.65. Costain Group's value of $0.18 is 98.1% below this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Earnings per Share (Diluted) for a Construction company?
The median Earnings per Share (Diluted) among Construction companies is 9.65, based on 1,336 companies in the industry. Companies in the top quartile (top 25%) have a Earnings per Share (Diluted) significantly above this median, while those in the bottom quartile fall well below. However, Earnings per Share (Diluted) should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Costain Group's current Earnings per Share (Diluted) of $0.18 is 98.1% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Earnings per Share (Diluted) mean?
A high Earnings per Share (Diluted) can signal that a stock is expensive relative to its fundamentals. Diluted EPS equals net earnings divided by average shares outstanding, including dilutive securities. View historical data on Costain Group and its competitors. For the Construction industry, the median Earnings per Share (Diluted) is 9.65 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Costain Group's current Earnings per Share (Diluted) is $0.18. 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 Earnings per Share (Diluted) of $0.18. The stock's GF Value™ is $0.50, compared to a current price of $1.38 — trading 175% above its estimated fair value. The current Earnings per Share (Diluted) is $0.18 and 98.1% below the Construction industry median of 9.65. Costain Group's overall GF Score™ is 58/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Earnings per Share (Diluted) calculated?
Earnings per Share (Diluted) is calculated from a company's financial statements. For Costain Group (CSGQF), the current Earnings per Share (Diluted) is $0.18 as of Dec. 2025. 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 175% above its estimated GF Value™ of $0.50.
Key valuation signals for CSGQF:
Earnings per Share (Diluted): $0.18
GF Value™: $0.50 vs. price of $1.38 (175% above fair value)
Industry Position: 98.1% below the Construction median (#640 of 1336)
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 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.
58GF Score
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