Inoue Rubber (Thailand) PCLBKK:IRC +1.71%73 PB Ratio is 0.55 as of Jun. 24, 2026, which is 29% below its 10-year median of 0.77. GuruFocus rates BKK:IRC with a GF Score™ of 73/100 and a GF Value™ of ฿12.06 (Fairly Valued). The stock has 4 warning signs investors should review. Among 1,295 Vehicles & Parts companies, Inoue Rubber (Thailand) PCL ranks better than 80.31% on this metric.
Inoue Rubber (Thailand) PCL stock PB Ratio (=0.54) is close to 10-year low of 0.51.
The historical rank and industry rank for Inoue Rubber (Thailand) PCL's PB Ratio or its related term are showing as below:
BKK:IRC'
s PB Ratio Range Over the Past 10 Years
Min: 0.51 Med: 0.77 Max: 1.52
Current: 0.55
During the past 13 years, Inoue Rubber (Thailand) PCL's highest PB Ratio was 1.52. The lowest was 0.51. And the median was 0.77.
BKK:IRC's PB Ratio is ranked better than 80.31% of 1295
companies
in the Vehicles & Parts industry
Industry Median: 1.39
vs BKK:IRC: 0.55
During the past 12 months, Inoue Rubber (Thailand) PCL's average Book Value Per Share Growth Rate was 2.90% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 2.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 2.90% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 3.80% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Inoue Rubber (Thailand) PCL was 14.30% per year. The lowest was 2.30% per year. And the median was 6.85% per year.
Back to Basics: PB Ratio
Inoue Rubber (Thailand) PCL (BKK:IRC) PB Ratio Explanation
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.
Inoue Rubber (Thailand) PCL PB Ratio Related Terms
Inoue Rubber (Thailand) PCL PB Ratio Historical Data
* 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 Auto Parts subindustry, Inoue Rubber (Thailand) 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.
Inoue Rubber (Thailand) PCL PB Ratio vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Inoue Rubber (Thailand) PCL's PB Ratio distribution charts can be found below:
* The bar in red indicates where Inoue Rubber (Thailand) 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.
* 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.
Inoue Rubber (Thailand) PCL (BKK:IRC) has a PB Ratio of 0.55 as of Jun. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Inoue Rubber (Thailand) PCL and its competitors. This is 29% below median its historical median of 0.77. Over the past decade, Inoue Rubber (Thailand) PCL's PB Ratio has ranged from 0.51 to 1.52. According to the industry distribution chart, Inoue Rubber (Thailand) PCL ranks #255 out of 1295 companies in the Vehicles & Parts industry, placing it in the top 19.7%.
Is Inoue Rubber (Thailand) PCL's PB Ratio too high?
Inoue Rubber (Thailand) PCL's current PB Ratio of 0.55 is 29% below median its 10-year median of 0.77. Over the past 10 years, this metric has ranged from a low of 0.51 to a high of 1.52. The Vehicles & Parts industry median PB Ratio is 1.39. Inoue Rubber (Thailand) PCL's value of 0.55 is 60.4% below this industry median. Based on the distribution chart, Inoue Rubber (Thailand) PCL ranks #255 out of 1295 companies in the Vehicles & Parts industry, which is in the top quartile — a strong position relative to peers. Overall, Inoue Rubber (Thailand) PCL has a GF Score™ of 73/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Inoue Rubber (Thailand) PCL's PB Ratio compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Inoue Rubber (Thailand) PCL ranks #255 out of 1295 companies for PB Ratio. This places Inoue Rubber (Thailand) PCL in the top 20% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.39. Inoue Rubber (Thailand) PCL's value of 0.55 is 60.4% below this benchmark. Historically, Inoue Rubber (Thailand) PCL's own PB Ratio has ranged from 0.51 to 1.52 over the past decade. While the company's 10-year median is 0.77 vs. the industry median of 1.39, Inoue Rubber (Thailand) 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 Vehicles & Parts company?
The median PB Ratio among Vehicles & Parts companies is 1.39, based on 1,295 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. Inoue Rubber (Thailand) PCL's current PB Ratio of 0.55 is 60.4% 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 Inoue Rubber (Thailand) PCL and its competitors. For the Vehicles & Parts industry, the median PB Ratio is 1.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Inoue Rubber (Thailand) PCL's current PB Ratio is 0.55, which is 29% below median its own 10-year median of 0.77. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Inoue Rubber (Thailand) PCL stock overvalued right now?
Based on GuruFocus' analysis, Inoue Rubber (Thailand) PCL (BKK:IRC) is currently considered Fairly Valued. The stock's GF Value™ is ฿12.06, compared to a current price of ฿11.90 — trading 1.3% below its estimated fair value. The current PB Ratio is 0.55, which is 29% below median its 10-year median of 0.77 and 60.4% below the Vehicles & Parts industry median of 1.39. Inoue Rubber (Thailand) PCL's overall GF Score™ is 73/100 with 4 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 Inoue Rubber (Thailand) PCL (BKK:IRC), the current PB Ratio is 0.55 as of Jun. 24, 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 Inoue Rubber (Thailand) PCL (BKK:IRC) Overvalued in 2026?
Based on GuruFocus' analysis, Inoue Rubber (Thailand) PCL stock appears to be undervalued.
The current stock price of ฿11.90 is trading 1.3% below its estimated GF Value™ of ฿12.06.
GuruFocus considers Inoue Rubber (Thailand) PCL to be Fairly Valued.
Key valuation signals for BKK:IRC:
PB Ratio: 0.55 (29% below median its 10-year median of 0.77)
GF Value™: ฿12.06 vs. price of ฿11.90 (1.3% below fair value)
Industry Position: 60.4% below the Vehicles & Parts median (#255 of 1295)
No single metric tells the full story. See the BKK:IRC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Inoue Rubber (Thailand) PCL is principally engaged in the manufacture and distribution of Automotive Elastomer Products, motorcycle tires, tubes, and industrial elastomer rubber parts. Geographically, it derives a majority of its revenue from Thailand. The company's reportable segments includes geographical areas that are Local and Export, out of which key revenue is generated from Local Segment. Its products involve Automotive Elastomer Products, Motorcycle Tires and Tubes and Industrial Elastomer Parts.
73GF Score
Get the complete analysis for BKK:IRC
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
BKK:IRC has been successfully added to your 
