Sumitomo Bakelite CoTSE:4203 +0.77%86 PB Ratio is 1.82 as of Jul. 12, 2026, which is 65% above its 10-year median of 1.10. GuruFocus rates TSE:4203 with a GF Score™ of 86/100 and a GF Value™ of 円4,694.97 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,575 Chemicals companies, Sumitomo Bakelite Co ranks worse than 52.7% on this metric.
Sumitomo Bakelite Co Ltd stock PB Ratio (=1.82) is close to 10-year high of 1.95.
The historical rank and industry rank for Sumitomo Bakelite Co's PB Ratio or its related term are showing as below:
TSE:4203'
s PB Ratio Range Over the Past 10 Years
Min: 0.47 Med: 1.1 Max: 1.95
Current: 1.82
During the past 13 years, Sumitomo Bakelite Co's highest PB Ratio was 1.95. The lowest was 0.47. And the median was 1.10.
TSE:4203's PB Ratio is ranked worse than 52.7% of 1575
companies
in the Chemicals industry
Industry Median: 1.71
vs TSE:4203: 1.82
During the past 12 months, Sumitomo Bakelite Co's average Book Value Per Share Growth Rate was 19.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 13.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 12.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 9.80% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Sumitomo Bakelite Co was 15.00% per year. The lowest was -7.20% per year. And the median was 5.90% per year.
Back to Basics: PB Ratio
Sumitomo Bakelite Co (TSE:4203) 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.
Sumitomo Bakelite Co PB Ratio Related Terms
Sumitomo Bakelite Co PB Ratio Historical Data
* Premium members only.
The historical data trend for Sumitomo Bakelite Co'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 Specialty Chemicals subindustry, Sumitomo Bakelite Co'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.
Sumitomo Bakelite Co PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Sumitomo Bakelite Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Sumitomo Bakelite Co'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.
Sumitomo Bakelite Co (TSE:4203) has a PB Ratio of 1.82 as of Jul. 12, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Sumitomo Bakelite Co and its competitors. This is 65% above median its historical median of 1.10. Over the past decade, Sumitomo Bakelite Co's PB Ratio has ranged from 0.47 to 1.95. According to the industry distribution chart, Sumitomo Bakelite Co ranks #830 out of 1575 companies in the Chemicals industry, placing it in the top 52.7%.
Is Sumitomo Bakelite Co's PB Ratio too high?
Sumitomo Bakelite Co's current PB Ratio of 1.82 is 65% above median its 10-year median of 1.10. Over the past 10 years, this metric has ranged from a low of 0.47 to a high of 1.95. The Chemicals industry median PB Ratio is 1.71. Sumitomo Bakelite Co's value of 1.82 is 6.4% above this industry median. Based on the distribution chart, Sumitomo Bakelite Co ranks #830 out of 1575 companies in the Chemicals industry, which is below the industry midpoint. Overall, Sumitomo Bakelite Co has a GF Score™ of 86/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sumitomo Bakelite Co's PB Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, Sumitomo Bakelite Co ranks #830 out of 1575 companies for PB Ratio. This places Sumitomo Bakelite Co in the lower half of its industry. The industry median PB Ratio is 1.71. Sumitomo Bakelite Co's value of 1.82 is 6.4% above this benchmark. Historically, Sumitomo Bakelite Co's own PB Ratio has ranged from 0.47 to 1.95 over the past decade. While the company's 10-year median is 1.10 vs. the industry median of 1.71, Sumitomo Bakelite Co 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 Chemicals company?
The median PB Ratio among Chemicals companies is 1.71, based on 1,575 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. Sumitomo Bakelite Co's current PB Ratio of 1.82 is 6.4% 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 Sumitomo Bakelite Co and its competitors. For the Chemicals industry, the median PB Ratio is 1.71 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sumitomo Bakelite Co's current PB Ratio is 1.82, which is 65% above median its own 10-year median of 1.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sumitomo Bakelite Co stock overvalued right now?
Based on GuruFocus' analysis, Sumitomo Bakelite Co (TSE:4203) is currently considered Significantly Overvalued. The stock's GF Value™ is 円4,694.97, compared to a current price of 円7,200.00 — trading 53.4% above its estimated fair value. The current PB Ratio is 1.82, which is 65% above median its 10-year median of 1.10 and 6.4% above the Chemicals industry median of 1.71. Sumitomo Bakelite Co's overall GF Score™ is 86/100 with 5 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 Sumitomo Bakelite Co (TSE:4203), the current PB Ratio is 1.82 as of Jul. 12, 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 Sumitomo Bakelite Co (TSE:4203) Overvalued in 2026?
Based on GuruFocus' analysis, Sumitomo Bakelite Co stock appears to be overvalued.
The current stock price of 円7,200.00 is trading 53.4% above its estimated GF Value™ of 円4,694.97.
GuruFocus considers Sumitomo Bakelite Co to be Significantly Overvalued.
Key valuation signals for TSE:4203:
PB Ratio: 1.82 (65% above median its 10-year median of 1.10)
GF Value™: 円4,694.97 vs. price of 円7,200.00 (53.4% above fair value)
Industry Position: 6.4% above the Chemicals median (#830 of 1575)
No single metric tells the full story. See the TSE:4203 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sumitomo Bakelite Co Ltd is engaged in the manufacture and sale of plastics and related products. The company has three reportable segments: High performance plastic, Quality of Life Related Products, and Semiconductor-related Materials. The Semiconductor-related Materials segment provides epoxy resin molding materials, liquid resins, and coatings for semiconductors. The High performance plastic segment manufactures phenolic resin molding materials, industrial phenolic resins, synthetic resin adhesives, and copper-clad laminates. The Quality of Life Related Products segment produces medical equipment products, pharmaceutical packaging materials, decorative panels and sheets, and bio-related products.
86GF Score
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