PORR AGWBO:POS +1.57%60 PB Ratio is 1.91 as of Jun. 24, 2026, which is 125% above its 10-year median of 0.85. GuruFocus rates WBO:POS with a GF Score™ of 60/100 and a GF Value™ of €15.04 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 1,722 Construction companies, PORR AG ranks worse than 62.66% on this metric.
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. As of today (2026-06-24), PORR AG's share price is €45.40. PORR AG's Book Value per Share for the quarter that ended in Dec. 2025 was €23.73. Hence, PORR AG's PB Ratio of today is 1.91.
Warning Sign:
PORR AG stock PB Ratio (=1.89) is close to 5-year high of 1.89.
The historical rank and industry rank for PORR AG's PB Ratio or its related term are showing as below:
WBO:POS'
s PB Ratio Range Over the Past 10 Years
Min: 0.48 Med: 0.85 Max: 3.15
Current: 1.92
During the past 13 years, PORR AG's highest PB Ratio was 3.15. The lowest was 0.48. And the median was 0.85.
WBO:POS's PB Ratio is ranked worse than 62.66% of 1722
companies
in the Construction industry
Industry Median: 1.31
vs WBO:POS: 1.92
During the past 12 months, PORR AG's average Book Value Per Share Growth Rate was 4.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 6.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 3.20% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 5.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of PORR AG was 17.70% per year. The lowest was -12.00% per year. And the median was 2.95% 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.
PORR AG PB Ratio Related Terms
PORR AG PB Ratio Historical Data
* Premium members only.
The historical data trend for PORR AG'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, PORR AG'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.
PORR AG PB Ratio vs Construction Industry
For the Construction industry and Industrials sector, PORR AG's PB Ratio distribution charts can be found below:
* The bar in red indicates where PORR AG'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.
PORR AG's PB Ratio for today is calculated as follows:
* 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.
PORR AG (WBO:POS) has a PB Ratio of 1.91 as of Jun. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on PORR AG and its competitors. This is 125% above median its historical median of 0.85. Over the past decade, PORR AG's PB Ratio has ranged from 0.48 to 3.15. According to the industry distribution chart, PORR AG ranks #1079 out of 1722 companies in the Construction industry, placing it in the top 62.7%.
Is PORR AG's PB Ratio too high?
PORR AG's current PB Ratio of 1.91 is 125% above median its 10-year median of 0.85. Over the past 10 years, this metric has ranged from a low of 0.48 to a high of 3.15. The Construction industry median PB Ratio is 1.31. PORR AG's value of 1.91 is 45.8% above this industry median. Based on the distribution chart, PORR AG ranks #1079 out of 1722 companies in the Construction industry, which is below the industry midpoint. Overall, PORR AG has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does PORR AG's PB Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, PORR AG ranks #1079 out of 1722 companies for PB Ratio. This places PORR AG in the lower half of its industry. The industry median PB Ratio is 1.31. PORR AG's value of 1.91 is 45.8% above this benchmark. Historically, PORR AG's own PB Ratio has ranged from 0.48 to 3.15 over the past decade. While the company's 10-year median is 0.85 vs. the industry median of 1.31, PORR AG has consistently been above 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 1.31, based on 1,722 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. PORR AG's current PB Ratio of 1.91 is 45.8% above 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 PORR AG and its competitors. For the Construction industry, the median PB Ratio is 1.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PORR AG's current PB Ratio is 1.91, which is 125% above median its own 10-year median of 0.85. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PORR AG stock overvalued right now?
Based on GuruFocus' analysis, PORR AG (WBO:POS) is currently considered Significantly Overvalued. The stock's GF Value™ is €15.04, compared to a current price of €45.40 — trading 201.9% above its estimated fair value. The current PB Ratio is 1.91, which is 125% above median its 10-year median of 0.85 and 45.8% above the Construction industry median of 1.31. PORR AG's overall GF Score™ is 60/100 with 6 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 PORR AG (WBO:POS), the current PB Ratio is 1.91 as of Jun. 24, 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 PORR AG (WBO:POS) Overvalued in 2026?
Based on GuruFocus' analysis, PORR AG stock appears to be overvalued.
The current stock price of €45.40 is trading 201.9% above its estimated GF Value™ of €15.04.
GuruFocus considers PORR AG to be Significantly Overvalued.
Key valuation signals for WBO:POS:
PB Ratio: 1.91 (125% above median its 10-year median of 0.85)
GF Value™: €15.04 vs. price of €45.40 (201.9% above fair value)
Industry Position: 45.8% above the Construction median (#1079 of 1722)
No single metric tells the full story. See the WBO:POS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
PORR AG is an Austria-based construction company specializing in complex building and civil engineering projects. It operates across Austria, Germany, Switzerland, Poland, the Czech Republic, Slovakia, and Romania. Its segments include AT/CH (Austria and Switzerland), DE (Germany construction and investments), PL (Poland), CEE (Czech Republic, Slovakia, Romania), and Infrastructure International (tunneling, rail, specialist engineering). Non-operational functions, including the Shared Service Center, are managed under the Holding segment. The firm generates key revenue from AT/CH segment.
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