Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Blue StarBOM:500067 -2.50%91 PB Ratio is 9.95 as of Jul. 23, 2026, which is 5% above its 10-year median of 9.49. GuruFocus rates BOM:500067 with a GF Score™ of 91/100 and a GF Value™ of ₹1,924.59 (Modestly Undervalued). The stock has 1 warning sign investors should review. Among 1,722 Construction companies, Blue Star ranks worse than 95.18% 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 (2026-07-23), Blue Star's share price is ₹1660.25. Blue Star's Book Value per Share for the quarter that ended in Mar. 2026 was ₹166.90. Hence, Blue Star's PB Ratio of today is 9.95.
Good Sign:
Blue Star Ltd stock PB Ratio (=10.11) is close to 2-year low of 9.16.
The historical rank and industry rank for Blue Star's PB Ratio or its related term are showing as below:
BOM:500067'
s PB Ratio Range Over the Past 10 Years
Min: 5.42 Med: 9.49 Max: 15.71
Current: 9.96
During the past 13 years, Blue Star's highest PB Ratio was 15.71. The lowest was 5.42. And the median was 9.49.
BOM:500067's PB Ratio is ranked worse than 95.18% of 1722
companies
in the Construction industry
Industry Median: 1.32
vs BOM:500067: 9.96
During the past 12 months, Blue Star's average Book Value Per Share Growth Rate was 12.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 34.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 33.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 17.50% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Blue Star was 41.30% per year. The lowest was -6.60% per year. And the median was 15.70% 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.
Blue Star PB Ratio Related Terms
Blue Star PB Ratio Historical Data
* Premium members only.
The historical data trend for Blue Star'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, Blue Star'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.
Blue Star PB Ratio vs Construction Industry
For the Construction industry and Industrials sector, Blue Star's PB Ratio distribution charts can be found below:
* The bar in red indicates where Blue Star'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.
Blue Star'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.
Blue Star (BOM:500067) has a PB Ratio of 9.95 as of Jul. 23, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Blue Star and its competitors. This is near median its historical median of 9.49. Over the past decade, Blue Star's PB Ratio has ranged from 5.42 to 15.71. According to the industry distribution chart, Blue Star ranks #1639 out of 1722 companies in the Construction industry, placing it in the top 95.2%.
Is Blue Star's PB Ratio too high?
Blue Star's current PB Ratio of 9.95 is near median its 10-year median of 9.49. Over the past 10 years, this metric has ranged from a low of 5.42 to a high of 15.71. The Construction industry median PB Ratio is 1.32. Blue Star's value of 9.95 is 653.8% above this industry median. Based on the distribution chart, Blue Star ranks #1639 out of 1722 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, Blue Star has a GF Score™ of 91/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Blue Star's PB Ratio compare to TT and JCI?
According to the Construction industry distribution chart, Blue Star ranks #1639 out of 1722 companies for PB Ratio. This places Blue Star in the lower half of its industry. The industry median PB Ratio is 1.32. Blue Star's value of 9.95 is 653.8% above this benchmark. Historically, Blue Star's own PB Ratio has ranged from 5.42 to 15.71 over the past decade. While the company's 10-year median is 9.49 vs. the industry median of 1.32, Blue Star 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 1.32, 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. Blue Star's current PB Ratio of 9.95 is 653.8% 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 Blue Star 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. Blue Star's current PB Ratio is 9.95, which is near median its own 10-year median of 9.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Blue Star stock overvalued right now?
Based on GuruFocus' analysis, Blue Star (BOM:500067) is currently considered Modestly Undervalued. The stock's GF Value™ is ₹1,924.59, compared to a current price of ₹1,660.25 — trading 13.7% below its estimated fair value. The current PB Ratio is 9.95, which is near median its 10-year median of 9.49 and 653.8% above the Construction industry median of 1.32. Blue Star's overall GF Score™ is 91/100 with 1 warning sign 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 Blue Star (BOM:500067), the current PB Ratio is 9.95 as of Jul. 23, 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 Blue Star (BOM:500067) Overvalued in 2026?
Based on GuruFocus' analysis, Blue Star stock appears to be undervalued.
The current stock price of ₹1,660.25 is trading 13.7% below its estimated GF Value™ of ₹1,924.59.
GuruFocus considers Blue Star to be Modestly Undervalued.
Key valuation signals for BOM:500067:
PB Ratio: 9.95 (near median its 10-year median of 9.49)
GF Value™: ₹1,924.59 vs. price of ₹1,660.25 (13.7% below fair value)
Industry Position: 653.8% above the Construction median (#1639 of 1722)
No single metric tells the full story. See the BOM:500067 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Blue Star Ltd is an India-based air conditioning and commercial refrigeration company. It serves corporate, commercial, and residential entities. The company's operating segment includes Electro-Mechanical Projects and Commercial Air Conditioning Systems; Unitary Products and Professional Electronics and Industrial Systems. It generates maximum revenue from the Electro-Mechanical Projects and Commercial Air-conditioning Systems segment which includes central air-conditioning projects, Electrical Contracting business, and Packaged air-conditioning businesses including manufacturing and after-sales service. Geographically, the company generates a majority of its revenue from its operations in India.
91GF Score
Get the complete analysis for BOM:500067
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
BOM:500067 has been successfully added to your 
