Open House Group Co (TSE:3288) E10: 円599.04 (As of Mar. 2026)

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TSE:3288 Open House Group Co Ltd TSE:3288
81 GF Score
Price 円8,380.00
GF Value 円7,097.26
Valuation Modestly Overvalued
! 3 Warning Signs
View Full Analysis

What is Open House Group Co E10?

Open House Group Co TSE:3288 -0.33% 81 E10 is 円599.04 as of Mar. 2026. GuruFocus rates TSE:3288 with a GF Score™ of 81/100 and a GF Value™ of 円7,097.26 (Modestly 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.

Open House Group Co's adjusted earnings per share data for the three months ended in Mar. 2026 was 円263.850. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is 円599.04 for the trailing ten years ended in Mar. 2026.

During the past 12 months, Open House Group Co's average E10 Growth Rate was 17.30% 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.

As of today (2026-07-25), Open House Group Co's current stock price is 円8380.00. Open House Group Co's E10 for the quarter that ended in Mar. 2026 was 円599.04. Open House Group Co's Shiller PE Ratio of today is 13.99.

During the past 13 years, the highest Shiller PE Ratio of Open House Group Co was 20.13. The lowest was 10.24. And the median was 12.70.


Open House Group Co  (TSE:3288) 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.

Open House Group Co's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=8380.00/599.04
=13.99

* 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 Open House Group Co was 20.13. The lowest was 10.24. And the median was 12.70.


Be Aware

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


Open House Group Co E10 Related Terms


Open House Group Co E10 Historical Data

* Premium members only.

The historical data trend for Open House Group 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.

Open House Group Co E10 Chart

Open House Group Co Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 384.93 466.04 554.50

Open House Group 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 510.53 531.74 554.50 578.31 599.04

Open House Group Co E10 Competitor Comparison

For the Real Estate - Diversified subindustry, Open House Group 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.


Open House Group Co Shiller PE Ratio vs Real Estate Industry

For the Real Estate industry and Real Estate sector, Open House Group Co's Shiller PE Ratio distribution charts can be found below:

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


TSE:3288
81GF Score
Open House Group Co Ltd TSE:3288
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Open House Group 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, Open House Group 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)
=263.85/112.7000*112.7000
=263.850

Current CPI (Mar. 2026) = 112.7000.

Open House Group Co Quarterly Data

per share eps CPI Adj_EPS
201606 40.275 98.100 46.269
201609 41.895 98.000 48.179
201612 50.835 98.400 58.223
201703 52.500 98.100 60.313
201706 36.665 98.500 41.951
201709 80.380 98.800 91.689
201712 57.975 99.400 65.732
201803 66.660 99.200 75.732
201806 65.305 99.200 74.192
201809 92.940 99.900 104.848
201812 50.430 99.700 57.006
201903 91.530 99.700 103.465
201906 74.030 99.800 83.599
201909 133.120 100.100 149.876
201912 88.000 100.500 98.683
202003 75.020 100.300 84.295
202006 213.510 99.900 240.867
202009 145.840 99.900 164.526
202012 117.460 99.300 133.311
202103 141.690 99.900 159.844
202106 144.330 99.500 163.477
202109 146.930 100.100 165.425
202112 179.130 100.100 201.678
202203 133.440 101.100 148.751
202206 134.050 101.800 148.403
202209 178.250 103.100 194.847
202212 162.750 104.100 176.195
202303 205.500 104.400 221.838
202306 140.450 105.200 150.463
202309 253.700 106.200 269.228
202312 273.700 106.800 288.820
202403 158.670 107.200 166.811
202406 141.300 108.200 147.177
202409 207.590 108.900 214.834
202412 196.480 110.700 200.030
202503 203.850 111.100 206.786
202506 209.110 111.700 210.982
202509 264.090 112.000 265.741
202512 243.110 113.000 242.465
202603 263.850 112.700 263.850

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599.04 mean?
Open House Group Co (TSE:3288) has a E10 of 円599.04 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Open House Group Co and its competitors.
Is Open House Group Co's E10 too high?
Open House Group Co's current E10 is 円599.04. Overall, Open House Group Co has a GF Score™ of 81/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Open House Group Co's E10 compare to competitors?
Open House Group Co's E10 of 円599.04 can be compared against companies in the Real Estate 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 Real Estate company?
A good E10 depends on the Real Estate 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 Open House Group Co and its competitors. Open House Group Co's current E10 is 円599.04. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Open House Group Co stock overvalued right now?
Based on GuruFocus' analysis, Open House Group Co (TSE:3288) is currently considered Modestly Overvalued. The stock's GF Value™ is 円7,097.26, compared to a current price of 円8,380.00 — trading 18.1% above its estimated fair value. The current E10 is 円599.04. Open House Group Co's overall GF Score™ is 81/100 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 Open House Group Co (TSE:3288), the current E10 is 円599.04 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 Open House Group Co (TSE:3288) Overvalued in 2026?

Based on GuruFocus' analysis, Open House Group Co stock appears to be overvalued. The current stock price of 円8,380.00 is trading 18.1% above its estimated GF Value™ of 円7,097.26. GuruFocus considers Open House Group Co to be Modestly Overvalued.

Key valuation signals for TSE:3288:

  • E10: 円599.04
  • GF Value™: 円7,097.26 vs. price of 円8,380.00 (18.1% above fair value)
  • GF Score™: 81/100 with 3 warning signs

No single metric tells the full story. See the TSE:3288 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Open House Group Co Business Description

Address 2-7-2 Marunouchi, JP TOWER 20th & 21st Floor, Chiyoda-ku, Tokyo, JPN, 100-7020
Open House Group Co Ltd is principally engaged in real estate businesses, including real estate brokerage, single-family home development and sales, condominium development and sales, real estate investment, real estate financing, and other related services. The company comprises five operating segments: Detached House Related Business, Income-Generating Real Estate Business, Other, and Presance Corporation. The single-family homes segment delivers approximately half of group revenue, and the property resale segment contributes to the majority of its revenue. Open House's sales centers are mainly located in Tokyo and surrounding areas.
81GF Score

Get the complete analysis for TSE:3288

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

円8,380.00
Price
円7,097.26
GF Value