eREX Co (TSE:9517) E10: 円47.13 (As of Mar. 2026)

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Director of Data and Quant Analytics at GuruFocus
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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.

TSE:9517 eREX Co Ltd TSE:9517
59 GF Score
Price 円792.00
GF Value 円491.66
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is eREX Co E10?

eREX Co TSE:9517 +0.38% 59 E10 is 円47.13 as of Mar. 2026. GuruFocus rates TSE:9517 with a GF Score™ of 59/100 and a GF Value™ of 円491.66 (Significantly Overvalued). The stock has 3 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.

eREX Co's adjusted earnings per share data for the three months ended in Mar. 2026 was 円20.450. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is 円47.13 for the trailing ten years ended in Mar. 2026.

During the past 12 months, eREX Co's average E10 Growth Rate was 10.50% 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.

As of today (2026-07-14), eREX Co's current stock price is 円792.00. eREX Co's E10 for the quarter that ended in Mar. 2026 was 円47.13. eREX Co's Shiller PE Ratio of today is 16.80.

During the past 13 years, the highest Shiller PE Ratio of eREX Co was 22.72. The lowest was 13.22. And the median was 16.74.


eREX Co  (TSE:9517) 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.

eREX Co's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=792.00/47.13
=16.80

* 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 eREX Co was 22.72. The lowest was 13.22. And the median was 16.74.


Be Aware

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


eREX Co E10 Related Terms


eREX Co E10 Historical Data

* Premium members only.

The historical data trend for eREX Co'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.

eREX Co E10 Chart

eREX Co 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 0.00 0.00 0.00 42.66 47.13

eREX Co 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 42.66 42.44 44.22 46.37 47.13

eREX Co E10 Competitor Comparison

For the Utilities - Renewable subindustry, eREX Co'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.


eREX Co Shiller PE Ratio vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, eREX Co's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where eREX Co's Shiller PE Ratio falls into.


TSE:9517
59GF Score
eREX Co Ltd TSE:9517
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

eREX Co 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, eREX Co'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)
=20.45/112.7000*112.7000
=20.450

Current CPI (Mar. 2026) = 112.7000.

eREX Co Quarterly Data

per share eps CPI Adj_EPS
201606 9.850 98.100 11.316
201609 10.160 98.000 11.684
201612 4.770 98.400 5.463
201703 12.850 98.100 14.762
201706 14.880 98.500 17.025
201709 12.660 98.800 14.441
201712 9.740 99.400 11.043
201803 22.410 99.200 25.460
201806 14.100 99.200 16.019
201809 3.870 99.900 4.366
201812 12.930 99.700 14.616
201903 23.360 99.700 26.406
201906 25.460 99.800 28.751
201909 34.500 100.100 38.843
201912 11.160 100.500 12.515
202003 17.340 100.300 19.484
202006 10.040 99.900 11.326
202009 42.310 99.900 47.731
202012 22.740 99.300 25.809
202103 40.780 99.900 46.005
202106 14.090 99.500 15.959
202109 58.970 100.100 66.393
202112 60.570 100.100 68.194
202203 29.420 101.100 32.796
202206 28.290 101.800 31.319
202209 48.030 103.100 52.502
202212 23.280 104.100 25.203
202303 54.430 104.400 58.757
202306 -64.110 105.200 -68.681
202309 -115.320 106.200 -122.378
202312 -88.530 106.800 -93.421
202403 -91.980 107.200 -96.699
202406 25.220 108.200 26.269
202409 -1.710 108.900 -1.770
202412 37.310 110.700 37.984
202503 -32.170 111.100 -32.633
202506 -1.740 111.700 -1.756
202509 22.100 112.000 22.238
202512 27.550 113.000 27.477
202603 20.450 112.700 20.450

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 円47.13 mean?
eREX Co (TSE:9517) has a E10 of 円47.13 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on eREX Co and its competitors.
Is eREX Co's E10 too high?
eREX Co's current E10 is 円47.13. Overall, eREX Co has a GF Score™ of 59/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does eREX Co's E10 compare to competitors?
eREX Co's E10 of 円47.13 can be compared against companies in the Utilities - Independent Power Producers 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 an Utilities - Independent Power Producers company?
A good E10 depends on the Utilities - Independent Power Producers 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 eREX Co and its competitors. eREX Co's current E10 is 円47.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is eREX Co stock overvalued right now?
Based on GuruFocus' analysis, eREX Co (TSE:9517) is currently considered Significantly Overvalued. The stock's GF Value™ is 円491.66, compared to a current price of 円792.00 — trading 61.1% above its estimated fair value. The current E10 is 円47.13. eREX Co's overall GF Score™ is 59/100 with 3 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 eREX Co (TSE:9517), the current E10 is 円47.13 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 eREX Co (TSE:9517) Overvalued in 2026?

Based on GuruFocus' analysis, eREX Co stock appears to be overvalued. The current stock price of 円792.00 is trading 61.1% above its estimated GF Value™ of 円491.66. GuruFocus considers eREX Co to be Significantly Overvalued.

Key valuation signals for TSE:9517:

  • E10: 円47.13
  • GF Value™: 円491.66 vs. price of 円792.00 (61.1% above fair value)
  • GF Score™: 59/100 with 3 warning signs

No single metric tells the full story. See the TSE:9517 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


eREX Co Business Description

Other Exchanges 6HF:Germany
Address 2-2-1 Kyobashi, 14th Floor, Kyobashi Edglan, Chuo-ku, Tokyo, JPN, 104-0031
eREX Co Ltd is a holding company that engages in the electrical power business. Its services include retail sales of power, power market transactions, and power development. In its electric power retail business, it involves in the retail of electric power at an inexpensive price than electric utilities. In its power supplies development business, it involves the planning, design, and construction of power-generating equipment.
59GF Score

Get the complete analysis for TSE:9517

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

円792.00
Price
円491.66
GF Value