Rath AGWBO:RAT 61 PB Ratio is 0.66 as of Jun. 30, 2026, which is 8% below its 10-year median of 0.72. GuruFocus rates WBO:RAT with a GF Score™ of 61/100 and a GF Value™ of €20.12 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,717 Construction companies, Rath AG ranks better than 77.11% 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 (2026-06-30), Rath AG's share price is €19.50. Rath AG's Book Value per Share for the quarter that ended in Dec. 2025 was €29.55. Hence, Rath AG's PB Ratio of today is 0.66.
The historical rank and industry rank for Rath AG's PB Ratio or its related term are showing as below:
WBO:RAT'
s PB Ratio Range Over the Past 10 Years
Min: 0.53 Med: 0.72 Max: 1.05
Current: 0.66
During the past 13 years, Rath AG's highest PB Ratio was 1.05. The lowest was 0.53. And the median was 0.72.
WBO:RAT's PB Ratio is ranked better than 77.11% of 1717
companies
in the Construction industry
Industry Median: 1.32
vs WBO:RAT: 0.66
During the past 12 months, Rath AG's average Book Value Per Share Growth Rate was -17.80% 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 -0.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 2.30% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Rath AG was 8.60% per year. The lowest was -6.40% per year. And the median was 1.90% 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.
Rath AG PB Ratio Related Terms
Rath AG PB Ratio Historical Data
* Premium members only.
The historical data trend for Rath 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 Building Products & Equipment subindustry, Rath 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.
Rath AG PB Ratio vs Construction Industry
For the Construction industry and Industrials sector, Rath AG's PB Ratio distribution charts can be found below:
* The bar in red indicates where Rath 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.
Rath 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.
Rath AG (WBO:RAT) has a PB Ratio of 0.66 as of Jun. 30, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Rath AG and its competitors. This is near median its historical median of 0.72. Over the past decade, Rath AG's PB Ratio has ranged from 0.53 to 1.05. According to the industry distribution chart, Rath AG ranks #393 out of 1717 companies in the Construction industry, placing it in the top 22.9%.
Is Rath AG's PB Ratio too high?
Rath AG's current PB Ratio of 0.66 is near median its 10-year median of 0.72. Over the past 10 years, this metric has ranged from a low of 0.53 to a high of 1.05. The Construction industry median PB Ratio is 1.32. Rath AG's value of 0.66 is 50% below this industry median. Based on the distribution chart, Rath AG ranks #393 out of 1717 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Rath AG has a GF Score™ of 61/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Rath AG's PB Ratio compare to TT and JCI?
According to the Construction industry distribution chart, Rath AG ranks #393 out of 1717 companies for PB Ratio. This places Rath AG in the top 23% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.32. Rath AG's value of 0.66 is 50% below this benchmark. Historically, Rath AG's own PB Ratio has ranged from 0.53 to 1.05 over the past decade. While the company's 10-year median is 0.72 vs. the industry median of 1.32, Rath AG 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 1.32, based on 1,717 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. Rath AG's current PB Ratio of 0.66 is 50% 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 Rath AG and its competitors. For the Construction industry, the median PB Ratio is 1.32 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rath AG's current PB Ratio is 0.66, which is near median its own 10-year median of 0.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rath AG stock overvalued right now?
Based on GuruFocus' analysis, Rath AG (WBO:RAT) is currently considered Fairly Valued. The stock's GF Value™ is €20.12, compared to a current price of €19.50 — trading 3.1% below its estimated fair value. The current PB Ratio is 0.66, which is near median its 10-year median of 0.72 and 50% below the Construction industry median of 1.32. Rath AG's overall GF Score™ is 61/100 with 3 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 Rath AG (WBO:RAT), the current PB Ratio is 0.66 as of Jun. 30, 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 Rath AG (WBO:RAT) Overvalued in 2026?
Based on GuruFocus' analysis, Rath AG stock appears to be undervalued.
The current stock price of €19.50 is trading 3.1% below its estimated GF Value™ of €20.12.
GuruFocus considers Rath AG to be Fairly Valued.
Key valuation signals for WBO:RAT:
PB Ratio: 0.66 (near median its 10-year median of 0.72)
GF Value™: €20.12 vs. price of €19.50 (3.1% below fair value)
Industry Position: 50% below the Construction median (#393 of 1717)
No single metric tells the full story. See the WBO:RAT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rath AG is an Austrian company that manufactures refractory products. It produces are dense stones, continuous fiber, Unshaped products, Concrete components, light firebricks, High-temperature wool, and Vacuum formed parts. It operates in different industry sectors, namely Cement, Steel, Glass, Aluminum, Special furnaces, Hot gas filtration, Ceramics, Energy, Chemistry, and Domestic fireplaces.
61GF Score
Get the complete analysis for WBO:RAT
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
WBO:RAT has been successfully added to your 
