Japan Exchange Group (STU:OSK) E10: €0.31 (As of Mar. 2026)


STU:OSK Japan Exchange Group Inc STU:OSK
84 GF Score
Price €10.70
GF Value €10.10
Valuation Fairly Valued
! 8 Warning Signs
View Full Analysis

What is Japan Exchange Group E10?

Japan Exchange Group STU:OSK -0.93% 84 E10 is €0.31 as of Mar. 2026. 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.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Japan Exchange Group's adjusted earnings per share data for the three months ended in Mar. 2026 was €0.128. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is €0.31 for the trailing ten years ended in Mar. 2026.

During the past 12 months, Japan Exchange Group's average E10 Growth Rate was 7.30% per year. During the past 3 years, the average E10 Growth Rate was 8.10% per year. During the past 5 years, the average E10 Growth Rate was 9.30% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the E10 growth rate using E10 data.

During the past 13 years, the highest 3-Year average E10 Growth Rate of Japan Exchange Group was 11.40% per year. The lowest was 8.10% per year. And the median was 10.30% per year.

As of today (2026-06-26), Japan Exchange Group's current stock price is €10.70. Japan Exchange Group's E10 for the quarter that ended in Mar. 2026 was €0.31. Japan Exchange Group's Shiller PE Ratio of today is 34.52.

During the past 13 years, the highest Shiller PE Ratio of Japan Exchange Group was 45.91. The lowest was 21.12. And the median was 33.59.


Japan Exchange Group  (STU:OSK) E10 Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

For the Shiller P/E, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller P/E is also called PE10.

The Shiller P/E was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

Japan Exchange Group's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=10.70/0.31
=34.52

* 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.

During the past 13 years, the highest Shiller P/E Ratio of Japan Exchange Group was 45.91. The lowest was 21.12. And the median was 33.59.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


Japan Exchange Group E10 Related Terms


Japan Exchange Group E10 Historical Data

* Premium members only.

The historical data trend for Japan Exchange Group's E10 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.

Japan Exchange Group E10 Chart

Japan Exchange Group Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.29 0.30 0.29 0.32 0.31

Japan Exchange Group Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
E10 Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.32 0.30 0.30 0.29 0.31

STU:OSK vs SPGI, CME, ICE: E10 Comparison

For the Financial Data & Stock Exchanges subindustry, Japan Exchange Group's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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 Shiller PE Ratio vs Capital Markets Industry

For the Capital Markets industry and Financial Services sector, Japan Exchange Group's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Japan Exchange Group's Shiller PE Ratio falls into.


STU:OSK
84GF Score
Japan Exchange Group Inc STU:OSK
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Japan Exchange Group E10 Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today's price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

We adjusted the earnings of 2001 earnings data with the total inflation from 2001 through 2010 to the equivalent earnings in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart earned $1 a share in 2001, then the 2001's equivalent earnings in 2010 is $1.4 a share. If Wal-Mart earns $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 earnings in 2010 is $1.35. So on and so forth, you get the equivalent earnings of past 10 years. Then you add them together and divided the sum by 10 to get E10.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

For example, Japan Exchange Group's adjusted earnings per share data for the three months ended in Mar. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=0.128/112.7000*112.7000
=0.128

Current CPI (Mar. 2026) = 112.7000.

Japan Exchange Group Quarterly Data

per share eps CPI Adj_EPS
201606 0.074 98.100 0.085
201609 0.080 98.000 0.092
201612 0.091 98.400 0.104
201703 0.078 98.100 0.090
201706 0.081 98.500 0.093
201709 0.084 98.800 0.096
201712 0.101 99.400 0.115
201803 0.095 99.200 0.108
201806 0.084 99.200 0.095
201809 0.088 99.900 0.099
201812 0.106 99.700 0.120
201903 0.079 99.700 0.089
201906 0.082 99.800 0.093
201909 0.086 100.100 0.097
201912 0.090 100.500 0.101
202003 0.112 100.300 0.126
202006 0.093 99.900 0.105
202009 0.088 99.900 0.099
202012 0.100 99.300 0.113
202103 0.101 99.900 0.114
202106 0.087 99.500 0.099
202109 0.090 100.100 0.101
202112 0.099 100.100 0.111
202203 0.087 101.100 0.097
202206 0.081 101.800 0.090
202209 0.074 103.100 0.081
202212 0.080 104.100 0.087
202303 0.074 104.400 0.080
202306 0.111 105.200 0.119
202309 0.083 106.200 0.088
202312 0.093 106.800 0.098
202403 0.084 107.200 0.088
202406 0.089 108.200 0.093
202409 0.100 108.900 0.103
202412 0.087 110.700 0.089
202503 0.084 111.100 0.085
202506 0.099 111.700 0.100
202509 0.098 112.000 0.099
202512 0.109 113.000 0.109
202603 0.128 112.700 0.128

Add all the adjusted EPS together and divide 10 will get our e10.

Frequently Asked Questions Learn more about E10 →
What does a E10 of €0.31 mean?
Japan Exchange Group (STU:OSK) has a E10 of €0.31 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Japan Exchange Group and its competitors.
Is Japan Exchange Group's E10 too high?
Japan Exchange Group's current E10 is €0.31. 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 E10 compare to SPGI and CME?
Japan Exchange Group's E10 of €0.31 can be compared against companies in the Capital Markets industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good E10 for a Capital Markets company?
A good E10 depends on the Capital Markets industry context. However, E10 should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high E10 mean?
A high E10 can signal that a stock is expensive relative to its fundamentals. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Japan Exchange Group and its competitors. Japan Exchange Group's current E10 is €0.31. 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 E10 is €0.31. 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 E10 calculated?
E10 is calculated from a company's financial statements. For Japan Exchange Group (STU:OSK), the current E10 is €0.31 as of Mar. 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:

  • E10: €0.31
  • GF Value™: €10.10 vs. price of €10.70 (5.9% above fair value)
  • GF Score™: 84/100 with 8 warning signs

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 Business Description

Address 2-1 Kabutocho, Nihonbashi, Chuo-ku, Tokyo, JPN, 103-8224
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

Get the complete analysis for STU:OSK

E10 is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€10.70
Price
€10.10
GF Value