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Demco PCLBKK:DEMCO +2.17%42 PB Ratio is 0.77 as of Jul. 21, 2026, which is 13% above its 10-year median of 0.68. GuruFocus rates BKK:DEMCO with a GF Score™ of 42/100 and a GF Value™ of ฿2.34 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 1,722 Construction companies, Demco PCL ranks better than 71.43% 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 (2026-07-21), Demco PCL's share price is ฿3.72. Demco PCL's Book Value per Share for the quarter that ended in Mar. 2026 was ฿4.82. Hence, Demco PCL's PB Ratio of today is 0.77.
Warning Sign:
Demco PCL stock PB Ratio (=0.76) is close to 3-year high of 0.84.
The historical rank and industry rank for Demco PCL's PB Ratio or its related term are showing as below:
BKK:DEMCO'
s PB Ratio Range Over the Past 10 Years
Min: 0.21 Med: 0.68 Max: 2.18
Current: 0.78
During the past 13 years, Demco PCL's highest PB Ratio was 2.18. The lowest was 0.21. And the median was 0.68.
BKK:DEMCO's PB Ratio is ranked better than 71.43% of 1722
companies
in the Construction industry
Industry Median: 1.31
vs BKK:DEMCO: 0.78
During the past 12 months, Demco PCL's average Book Value Per Share Growth Rate was -0.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -4.90% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -5.90% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 2.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Demco PCL was 26.40% per year. The lowest was -8.10% per year. And the median was 6.40% 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.
Demco PCL PB Ratio Related Terms
Demco PCL PB Ratio Historical Data
* Premium members only.
The historical data trend for Demco 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 Engineering & Construction subindustry, Demco 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.
Demco PCL PB Ratio vs Construction Industry
For the Construction industry and Industrials sector, Demco PCL's PB Ratio distribution charts can be found below:
* The bar in red indicates where Demco 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.
Demco 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.
Demco PCL (BKK:DEMCO) has a PB Ratio of 0.77 as of Jul. 21, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Demco PCL and its competitors. This is 13% above median its historical median of 0.68. Over the past decade, Demco PCL's PB Ratio has ranged from 0.21 to 2.18. According to the industry distribution chart, Demco PCL ranks #492 out of 1722 companies in the Construction industry, placing it in the top 28.6%.
Is Demco PCL's PB Ratio too high?
Demco PCL's current PB Ratio of 0.77 is 13% above median its 10-year median of 0.68. Over the past 10 years, this metric has ranged from a low of 0.21 to a high of 2.18. The Construction industry median PB Ratio is 1.31. Demco PCL's value of 0.77 is 41.2% below this industry median. Based on the distribution chart, Demco PCL ranks #492 out of 1722 companies in the Construction industry, which is above the industry midpoint. Overall, Demco PCL has a GF Score™ of 42/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Demco PCL's PB Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, Demco PCL ranks #492 out of 1722 companies for PB Ratio. This puts Demco PCL in the upper half of its industry. The industry median PB Ratio is 1.31. Demco PCL's value of 0.77 is 41.2% below this benchmark. Historically, Demco PCL's own PB Ratio has ranged from 0.21 to 2.18 over the past decade. While the company's 10-year median is 0.68 vs. the industry median of 1.31, Demco 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 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. Demco PCL's current PB Ratio of 0.77 is 41.2% 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 Demco PCL 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. Demco PCL's current PB Ratio is 0.77, which is 13% above median its own 10-year median of 0.68. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Demco PCL stock overvalued right now?
Based on GuruFocus' analysis, Demco PCL (BKK:DEMCO) is currently considered Significantly Overvalued. The stock's GF Value™ is ฿2.34, compared to a current price of ฿3.72 — trading 59% above its estimated fair value. The current PB Ratio is 0.77, which is 13% above median its 10-year median of 0.68 and 41.2% below the Construction industry median of 1.31. Demco PCL's overall GF Score™ is 42/100 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 Demco PCL (BKK:DEMCO), the current PB Ratio is 0.77 as of Jul. 21, 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 Demco PCL (BKK:DEMCO) Overvalued in 2026?
Based on GuruFocus' analysis, Demco PCL stock appears to be overvalued.
The current stock price of ฿3.72 is trading 59% above its estimated GF Value™ of ฿2.34.
GuruFocus considers Demco PCL to be Significantly Overvalued.
Key valuation signals for BKK:DEMCO:
PB Ratio: 0.77 (13% above median its 10-year median of 0.68)
GF Value™: ฿2.34 vs. price of ฿3.72 (59% above fair value)
Industry Position: 41.2% below the Construction median (#492 of 1722)
No single metric tells the full story. See the BKK:DEMCO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Demco PCL engages in the provision of electric system construction, all service works in the field of electric engineering and telecommunication engineering, sale of electric systems equipment and construction materials, including investment in projects of renewable energy and utilities system. Its segments are Sales, Electrical work services, Sales and providing service to biomass power plants, Engagement work services, Electricity from solar power and Others. The majority revenue is from the Electrical work services segment, which includes Designing, constructing, and managing electrical work on a complete service basis.
42GF Score
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