Quanta ServicesMEX:PWR 60 PB Ratio is 11.36 as of Jun. 26, 2026, which is 290% above its 10-year median of 2.91. GuruFocus rates MEX:PWR with a GF Score™ of 60/100 and a GF Value™ of MXN6,846.17 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 1,722 Construction companies, Quanta Services ranks worse than 96.17% 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 (2026-06-26), Quanta Services's share price is MXN12347.12. Quanta Services's Book Value per Share for the quarter that ended in Mar. 2026 was MXN1,086.91. Hence, Quanta Services's PB Ratio of today is 11.36.
Warning Sign:
Quanta Services Inc stock PB Ratio (=11.92) is close to 10-year high of 12.77.
The historical rank and industry rank for Quanta Services's PB Ratio or its related term are showing as below:
MEX:PWR'
s PB Ratio Range Over the Past 10 Years
Min: 0.88 Med: 2.91 Max: 12.77
Current: 11.92
During the past 13 years, Quanta Services's highest PB Ratio was 12.77. The lowest was 0.88. And the median was 2.91.
MEX:PWR's PB Ratio is ranked worse than 96.17% of 1722
companies
in the Construction industry
Industry Median: 1.31
vs MEX:PWR: 11.92
During the past 12 months, Quanta Services's average Book Value Per Share Growth Rate was 19.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 16.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 13.10% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 10.70% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Quanta Services was 244.60% per year. The lowest was -34.00% per year. And the median was 7.95% 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.
Quanta Services PB Ratio Related Terms
Quanta Services PB Ratio Historical Data
* Premium members only.
The historical data trend for Quanta Services'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, Quanta Services'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.
Quanta Services PB Ratio vs Construction Industry
For the Construction industry and Industrials sector, Quanta Services's PB Ratio distribution charts can be found below:
* The bar in red indicates where Quanta Services'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.
Quanta Services'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.
Quanta Services (MEX:PWR) has a PB Ratio of 11.36 as of Jun. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Quanta Services and its competitors. This is 290% above median its historical median of 2.91. Over the past decade, Quanta Services' PB Ratio has ranged from 0.88 to 12.77. According to the industry distribution chart, Quanta Services ranks #1656 out of 1722 companies in the Construction industry, placing it in the top 96.2%.
Is Quanta Services' PB Ratio too high?
Quanta Services' current PB Ratio of 11.36 is 290% above median its 10-year median of 2.91. Over the past 10 years, this metric has ranged from a low of 0.88 to a high of 12.77. The Construction industry median PB Ratio is 1.31. Quanta Services' value of 11.36 is 767.2% above this industry median. Based on the distribution chart, Quanta Services ranks #1656 out of 1722 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, Quanta Services has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Quanta Services' PB Ratio compare to FIX and EME?
According to the Construction industry distribution chart, Quanta Services ranks #1656 out of 1722 companies for PB Ratio. This places Quanta Services in the lower half of its industry. The industry median PB Ratio is 1.31. Quanta Services' value of 11.36 is 767.2% above this benchmark. Historically, Quanta Services' own PB Ratio has ranged from 0.88 to 12.77 over the past decade. While the company's 10-year median is 2.91 vs. the industry median of 1.31, Quanta Services 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. Quanta Services's current PB Ratio of 11.36 is 767.2% 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 Quanta Services 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. Quanta Services's current PB Ratio is 11.36, which is 290% above median its own 10-year median of 2.91. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Quanta Services stock overvalued right now?
Based on GuruFocus' analysis, Quanta Services (MEX:PWR) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN6,846.17, compared to a current price of MXN12,347.12 — trading 80.4% above its estimated fair value. The current PB Ratio is 11.36, which is 290% above median its 10-year median of 2.91 and 767.2% above the Construction industry median of 1.31. Quanta Services' overall GF Score™ is 60/100 with 7 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 Quanta Services (MEX:PWR), the current PB Ratio is 11.36 as of Jun. 26, 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 Quanta Services (MEX:PWR) Overvalued in 2026?
Based on GuruFocus' analysis, Quanta Services stock appears to be overvalued.
The current stock price of MXN12,347.12 is trading 80.4% above its estimated GF Value™ of MXN6,846.17.
GuruFocus considers Quanta Services to be Significantly Overvalued.
Key valuation signals for MEX:PWR:
PB Ratio: 11.36 (290% above median its 10-year median of 2.91)
GF Value™: MXN6,846.17 vs. price of MXN12,347.12 (80.4% above fair value)
Industry Position: 767.2% above the Construction median (#1656 of 1722)
No single metric tells the full story. See the MEX:PWR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Quanta Services is a leading provider of specialty contracting services, delivering comprehensive infrastructure solutions for the electric and gas utility, communications, pipeline, and energy industries in the United States, Canada, and Australia. Quanta reports its results under two segments: electric and underground utility and infrastructure.
60GF Score
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