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Hydro ExploitationsSTU:97B 25 PB Ratio is 0.04 as of Aug. 29, 2026, which is 20% below its 10-year median of 0.05. GuruFocus rates STU:97B with a GF Score™ of 25/100 and a GF Value™ of €162.26. The stock has 2 warning signs investors should review. Among 1,726 Construction companies, Hydro Exploitations ranks better than 99.83% on this metric.
Hydro Exploitations SA stock PB Ratio (=0.04) is close to 5-year low of 0.04.
The historical rank and industry rank for Hydro Exploitations's PB Ratio or its related term are showing as below:
STU:97B'
s PB Ratio Range Over the Past 10 Years
Min: 0.03 Med: 0.05 Max: 0.12
Current: 0.04
During the past 13 years, Hydro Exploitations's highest PB Ratio was 0.12. The lowest was 0.03. And the median was 0.05.
STU:97B's PB Ratio is ranked better than 99.83% of 1726
companies
in the Construction industry
Industry Median: 1.35
vs STU:97B: 0.04
During the past 12 months, Hydro Exploitations's average Book Value Per Share Growth Rate was -3.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 4.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 9.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Hydro Exploitations was 17.40% per year. The lowest was 4.40% per year. And the median was 10.45% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Hydro Exploitations PB Ratio Related Terms
Hydro Exploitations PB Ratio Historical Data
* Premium members only.
The historical data trend for Hydro Exploitations's PB Ratio 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.
For the Engineering & Construction subindustry, Hydro Exploitations's PB Ratio, along with its competitors' market caps and PB 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.
Hydro Exploitations PB Ratio vs Construction Industry
For the Construction industry and Industrials sector, Hydro Exploitations's PB Ratio distribution charts can be found below:
* The bar in red indicates where Hydro Exploitations's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Hydro Exploitations (STU:97B) has a PB Ratio of 0.04 as of Aug. 29, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Hydro Exploitations and its competitors. This is 20% below median its historical median of 0.05. Over the past decade, Hydro Exploitations' PB Ratio has ranged from 0.03 to 0.12. According to the industry distribution chart, Hydro Exploitations ranks #3 out of 1726 companies in the Construction industry, placing it in the top 0.2%.
Is Hydro Exploitations' PB Ratio too high?
Hydro Exploitations' current PB Ratio of 0.04 is 20% below median its 10-year median of 0.05. Over the past 10 years, this metric has ranged from a low of 0.03 to a high of 0.12. The Construction industry median PB Ratio is 1.35. Hydro Exploitations' value of 0.04 is 97% below this industry median. Based on the distribution chart, Hydro Exploitations ranks #3 out of 1726 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Hydro Exploitations has a GF Score™ of 25/100, reflecting its overall financial health beyond just this single metric.
How does Hydro Exploitations' PB Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, Hydro Exploitations ranks #3 out of 1726 companies for PB Ratio. This places Hydro Exploitations in the top 0% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.35. Hydro Exploitations' value of 0.04 is 97% below this benchmark. Historically, Hydro Exploitations' own PB Ratio has ranged from 0.03 to 0.12 over the past decade. While the company's 10-year median is 0.05 vs. the industry median of 1.35, Hydro Exploitations has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Construction company?
The median PB Ratio among Construction companies is 1.35, based on 1,726 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Hydro Exploitations's current PB Ratio of 0.04 is 97% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Hydro Exploitations and its competitors. For the Construction industry, the median PB Ratio is 1.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Hydro Exploitations's current PB Ratio is 0.04, which is 20% below median its own 10-year median of 0.05. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Hydro Exploitations stock overvalued right now?
Hydro Exploitations (STU:97B) has a current PB Ratio of 0.04. The stock's GF Value™ is €162.26, compared to a current price of €101.00 — trading 37.8% below its estimated fair value. The current PB Ratio is 0.04, which is 20% below median its 10-year median of 0.05 and 97% below the Construction industry median of 1.35. Hydro Exploitations' overall GF Score™ is 25/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Hydro Exploitations (STU:97B), the current PB Ratio is 0.04 as of Aug. 29, 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 Hydro Exploitations (STU:97B) Overvalued in 2026?
Based on GuruFocus' analysis, Hydro Exploitations stock appears to be undervalued.
The current stock price of €101.00 is trading 37.8% below its estimated GF Value™ of €162.26.
Key valuation signals for STU:97B:
PB Ratio: 0.04 (20% below median its 10-year median of 0.05)
GF Value™: €162.26 vs. price of €101.00 (37.8% below fair value)
Industry Position: 97% below the Construction median (#3 of 1726)
No single metric tells the full story. See the STU:97B stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Hydro Exploitations SA is one of the service providers in Switzerland for the operation and maintenance of electrical installations. The specialized services provided by the company include underwater auscultation, multibeam and single beam bathymetry, CO2 cleaning, and transformer oil treatment.
25GF Score
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