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Window Asia PCLBKK:WINDOW -1.35%20 PB Ratio is 0.71 as of Jul. 14, 2026, which is 11% below its 10-year median of 0.80. GuruFocus rates BKK:WINDOW with a GF Score™ of 20/100 and a GF Value™ of ฿0.75 (Fairly Valued). The stock has 3 warning signs investors should review. Among 397 Building Materials companies, Window Asia PCL ranks better than 71.54% 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 (2026-07-14), Window Asia PCL's share price is ฿0.73. Window Asia PCL's Book Value per Share for the quarter that ended in Mar. 2026 was ฿1.03. Hence, Window Asia PCL's PB Ratio of today is 0.71.
Good Sign:
Window Asia PCL stock PB Ratio (=0.72) is close to 1-year low of 0.65.
The historical rank and industry rank for Window Asia PCL's PB Ratio or its related term are showing as below:
BKK:WINDOW'
s PB Ratio Range Over the Past 10 Years
Min: 0.63 Med: 0.8 Max: 1.54
Current: 0.71
During the past 5 years, Window Asia PCL's highest PB Ratio was 1.54. The lowest was 0.63. And the median was 0.80.
BKK:WINDOW's PB Ratio is ranked better than 71.54% of 397
companies
in the Building Materials industry
Industry Median: 1.16
vs BKK:WINDOW: 0.71
During the past 12 months, Window Asia PCL's average Book Value Per Share Growth Rate was 0.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 22.10% per year.
During the past 5 years, the highest 3-Year average Book Value Per Share Growth Rate of Window Asia PCL was 33.10% per year. The lowest was 22.10% per year. And the median was 27.60% 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.
Window Asia PCL PB Ratio Related Terms
Window Asia PCL PB Ratio Historical Data
* Premium members only.
The historical data trend for Window Asia PCL'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 Materials subindustry, Window Asia PCL'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.
Window Asia PCL PB Ratio vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, Window Asia PCL's PB Ratio distribution charts can be found below:
* The bar in red indicates where Window Asia PCL'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.
Window Asia PCL'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.
Window Asia PCL (BKK:WINDOW) has a PB Ratio of 0.71 as of Jul. 14, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Window Asia PCL and its competitors. This is 11% below median its historical median of 0.80. Over the past decade, Window Asia PCL's PB Ratio has ranged from 0.63 to 1.54. According to the industry distribution chart, Window Asia PCL ranks #113 out of 397 companies in the Building Materials industry, placing it in the top 28.5%.
Is Window Asia PCL's PB Ratio too high?
Window Asia PCL's current PB Ratio of 0.71 is 11% below median its 10-year median of 0.80. Over the past 10 years, this metric has ranged from a low of 0.63 to a high of 1.54. The Building Materials industry median PB Ratio is 1.16. Window Asia PCL's value of 0.71 is 38.8% below this industry median. Based on the distribution chart, Window Asia PCL ranks #113 out of 397 companies in the Building Materials industry, which is above the industry midpoint. Overall, Window Asia PCL has a GF Score™ of 20/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Window Asia PCL's PB Ratio compare to CRH and VMC?
According to the Building Materials industry distribution chart, Window Asia PCL ranks #113 out of 397 companies for PB Ratio. This puts Window Asia PCL in the upper half of its industry. The industry median PB Ratio is 1.16. Window Asia PCL's value of 0.71 is 38.8% below this benchmark. Historically, Window Asia PCL's own PB Ratio has ranged from 0.63 to 1.54 over the past decade. While the company's 10-year median is 0.80 vs. the industry median of 1.16, Window Asia PCL 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 Building Materials company?
The median PB Ratio among Building Materials companies is 1.16, based on 397 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. Window Asia PCL's current PB Ratio of 0.71 is 38.8% 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 Window Asia PCL and its competitors. For the Building Materials industry, the median PB Ratio is 1.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Window Asia PCL's current PB Ratio is 0.71, which is 11% below median its own 10-year median of 0.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Window Asia PCL stock overvalued right now?
Based on GuruFocus' analysis, Window Asia PCL (BKK:WINDOW) is currently considered Fairly Valued. The stock's GF Value™ is ฿0.75, compared to a current price of ฿0.73 — trading 2.7% below its estimated fair value. The current PB Ratio is 0.71, which is 11% below median its 10-year median of 0.80 and 38.8% below the Building Materials industry median of 1.16. Window Asia PCL's overall GF Score™ is 20/100 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 Window Asia PCL (BKK:WINDOW), the current PB Ratio is 0.71 as of Jul. 14, 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 Window Asia PCL (BKK:WINDOW) Overvalued in 2026?
Based on GuruFocus' analysis, Window Asia PCL stock appears to be undervalued.
The current stock price of ฿0.73 is trading 2.7% below its estimated GF Value™ of ฿0.75.
GuruFocus considers Window Asia PCL to be Fairly Valued.
Key valuation signals for BKK:WINDOW:
PB Ratio: 0.71 (11% below median its 10-year median of 0.80)
GF Value™: ฿0.75 vs. price of ฿0.73 (2.7% below fair value)
Industry Position: 38.8% below the Building Materials median (#113 of 397)
No single metric tells the full story. See the BKK:WINDOW stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Window Asia PCL is engaged in the manufacturing and selling of doors, windows, fences, and construction components. The company operates in four segments Modern Trade, Traditional Trade, Window Asia Shop, and others and the majority of its revenue is generated from the Modern trade segment. Its products includes: Doors, Windows, and Custom-made products.
20GF Score
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