Japan Exchange GroupSTU:OSK -0.93%84 PB Ratio is 5.85 as of Jun. 26, 2026, which is 41% above its 10-year median of 4.14. GuruFocus rates STU:OSK with a GF Score™ of 84/100 and a GF Value™ of €10.10 (Fairly Valued). The stock has 8 warning signs investors should review. Among 778 Capital Markets companies, Japan Exchange Group ranks worse than 91.65% on this metric.
Japan Exchange Group Inc stock PB Ratio (=6.33) is close to 10-year high of 6.85.
The historical rank and industry rank for Japan Exchange Group's PB Ratio or its related term are showing as below:
STU:OSK'
s PB Ratio Range Over the Past 10 Years
Min: 2.41 Med: 4.14 Max: 6.85
Current: 6.27
During the past 13 years, Japan Exchange Group's highest PB Ratio was 6.85. The lowest was 2.41. And the median was 4.14.
STU:OSK's PB Ratio is ranked worse than 91.65% of 778
companies
in the Capital Markets industry
Industry Median: 1.31
vs STU:OSK: 6.27
During the past 12 months, Japan Exchange Group's average Book Value Per Share Growth Rate was 2.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 3.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 2.60% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 3.70% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Japan Exchange Group was 27.80% per year. The lowest was 1.70% per year. And the median was 6.90% per year.
Back to Basics: PB Ratio
Japan Exchange Group (STU:OSK) 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.
Japan Exchange Group PB Ratio Related Terms
Japan Exchange Group PB Ratio Historical Data
* Premium members only.
The historical data trend for Japan Exchange Group'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 Financial Data & Stock Exchanges subindustry, Japan Exchange Group'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.
Japan Exchange Group PB Ratio vs Capital Markets Industry
For the Capital Markets industry and Financial Services sector, Japan Exchange Group's PB Ratio distribution charts can be found below:
* The bar in red indicates where Japan Exchange Group'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.
Japan Exchange Group (STU:OSK) has a PB Ratio of 5.85 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 Japan Exchange Group and its competitors. This is 41% above median its historical median of 4.14. Over the past decade, Japan Exchange Group's PB Ratio has ranged from 2.41 to 6.85. According to the industry distribution chart, Japan Exchange Group ranks #713 out of 778 companies in the Capital Markets industry, placing it in the top 91.6%.
Is Japan Exchange Group's PB Ratio too high?
Japan Exchange Group's current PB Ratio of 5.85 is 41% above median its 10-year median of 4.14. Over the past 10 years, this metric has ranged from a low of 2.41 to a high of 6.85. The Capital Markets industry median PB Ratio is 1.31. Japan Exchange Group's value of 5.85 is 346.6% above this industry median. Based on the distribution chart, Japan Exchange Group ranks #713 out of 778 companies in the Capital Markets industry, which is in the bottom quartile relative to peers. Overall, Japan Exchange Group has a GF Score™ of 84/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Japan Exchange Group's PB Ratio compare to SPGI and CME?
According to the Capital Markets industry distribution chart, Japan Exchange Group ranks #713 out of 778 companies for PB Ratio. This places Japan Exchange Group in the lower half of its industry. The industry median PB Ratio is 1.31. Japan Exchange Group's value of 5.85 is 346.6% above this benchmark. Historically, Japan Exchange Group's own PB Ratio has ranged from 2.41 to 6.85 over the past decade. While the company's 10-year median is 4.14 vs. the industry median of 1.31, Japan Exchange Group 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 Capital Markets company?
The median PB Ratio among Capital Markets companies is 1.31, based on 778 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. Japan Exchange Group's current PB Ratio of 5.85 is 346.6% 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 Japan Exchange Group and its competitors. For the Capital Markets 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. Japan Exchange Group's current PB Ratio is 5.85, which is 41% above median its own 10-year median of 4.14. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Japan Exchange Group stock overvalued right now?
Based on GuruFocus' analysis, Japan Exchange Group (STU:OSK) is currently considered Fairly Valued. The stock's GF Value™ is €10.10, compared to a current price of €10.70 — trading 5.9% above its estimated fair value. The current PB Ratio is 5.85, which is 41% above median its 10-year median of 4.14 and 346.6% above the Capital Markets industry median of 1.31. Japan Exchange Group's overall GF Score™ is 84/100 with 8 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 Japan Exchange Group (STU:OSK), the current PB Ratio is 5.85 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 Japan Exchange Group (STU:OSK) Overvalued in 2026?
Based on GuruFocus' analysis, Japan Exchange Group stock appears to be overvalued.
The current stock price of €10.70 is trading 5.9% above its estimated GF Value™ of €10.10.
GuruFocus considers Japan Exchange Group to be Fairly Valued.
Key valuation signals for STU:OSK:
PB Ratio: 5.85 (41% above median its 10-year median of 4.14)
GF Value™: €10.10 vs. price of €10.70 (5.9% above fair value)
Industry Position: 346.6% above the Capital Markets median (#713 of 778)
No single metric tells the full story. See the STU:OSK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Japan Exchange Group is a vertically integrated securities exchange business, which includes the Tokyo Stock Exchange, Osaka Exchange, and Tokyo Commodity Exchange. JPX ranks among the top five largest stock exchange operators in the world by market capitalization, and its Nikkei 225 and Topix derivatives products are some of the most widely traded derivatives products in the world.
84GF Score
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