Sekisui Kasei Co (TSE:4228) E10: 円30.87 (As of Jun. 2026)

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TSE:4228 Sekisui Kasei Co Ltd TSE:4228
53 GF Score
Price 円595.00
GF Value 円341.80
Valuation Significantly Overvalued
! 9 Warning Signs
View Full Analysis

What is Sekisui Kasei Co E10?

Sekisui Kasei Co TSE:4228 -0.34% 53 E10 is 円30.87 as of Jun. 2026. GuruFocus rates TSE:4228 with a GF Score™ of 53/100 and a GF Value™ of 円341.80 (Significantly Overvalued). The stock has 9 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.

Sekisui Kasei Co's adjusted earnings per share data for the three months ended in Jun. 2026 was 円39.380. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is 円30.87 for the trailing ten years ended in Jun. 2026.

During the past 12 months, Sekisui Kasei Co's average E10 Growth Rate was 2.30% per year. During the past 3 years, the average E10 Growth Rate was -6.70% 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 Sekisui Kasei Co was -0.80% per year. The lowest was -12.80% per year. And the median was -10.90% per year.

As of today (2026-08-28), Sekisui Kasei Co's current stock price is 円595.00. Sekisui Kasei Co's E10 for the quarter that ended in Jun. 2026 was 円30.87. Sekisui Kasei Co's Shiller PE Ratio of today is 19.27.

During the past 13 years, the highest Shiller PE Ratio of Sekisui Kasei Co was 29.61. The lowest was 9.20. And the median was 13.00.


Sekisui Kasei Co  (TSE:4228) 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.

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

Shiller PE Ratio=Share Price/E10
=595.00/30.87
=19.27

* 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 Sekisui Kasei Co was 29.61. The lowest was 9.20. And the median was 13.00.


Be Aware

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


Sekisui Kasei Co E10 Related Terms


Sekisui Kasei Co E10 Historical Data

* Premium members only.

The historical data trend for Sekisui Kasei 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.

Sekisui Kasei Co E10 Chart

Sekisui Kasei 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 34.16 34.06 34.32 0.00 27.62

Sekisui Kasei Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 30.19 20.62 21.36 27.62 30.87

TSE:4228 vs LIN, SHW, ECL: E10 Comparison

For the Specialty Chemicals subindustry, Sekisui Kasei 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.


Sekisui Kasei Co Shiller PE Ratio vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Sekisui Kasei Co's Shiller PE Ratio distribution charts can be found below:

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


TSE:4228
53GF Score
Sekisui Kasei Co Ltd TSE:4228
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sekisui Kasei 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, Sekisui Kasei Co's adjusted earnings per share data for the three months ended in Jun. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=39.38/113.6000*113.6000
=39.380

Current CPI (Jun. 2026) = 113.6000.

Sekisui Kasei Co Quarterly Data

per share eps CPI Adj_EPS
201606 9.090 98.100 10.526
201609 19.140 98.000 22.187
201612 24.920 98.400 28.769
201703 19.880 98.100 23.021
201706 14.260 98.500 16.446
201709 24.879 98.800 28.606
201712 17.140 99.400 19.589
201803 19.050 99.200 21.815
201806 7.480 99.200 8.566
201809 21.570 99.900 24.528
201812 21.470 99.700 24.463
201903 18.568 99.700 21.157
201906 8.090 99.800 9.209
201909 18.127 100.100 20.572
201912 7.410 100.500 8.376
202003 17.660 100.300 20.002
202006 -2.300 99.900 -2.615
202009 5.343 99.900 6.076
202012 10.420 99.300 11.921
202103 11.380 99.900 12.941
202106 2.660 99.500 3.037
202109 4.785 100.100 5.430
202112 -143.692 100.100 -163.071
202203 5.156 101.100 5.793
202206 -12.610 101.800 -14.072
202209 4.956 103.100 5.461
202212 2.213 104.100 2.415
202303 15.395 104.400 16.752
202306 -8.280 105.200 -8.941
202309 18.399 106.200 19.681
202312 -15.550 106.800 -16.540
202403 29.246 107.200 30.992
202406 2.750 108.200 2.887
202409 -10.940 108.900 -11.412
202503 0.000 111.100 0.000
202506 6.850 111.700 6.967
202509 -83.010 112.000 -84.196
202512 23.080 113.000 23.203
202603 100.230 112.700 101.030
202606 39.380 113.600 39.380

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30.87 mean?
Sekisui Kasei Co (TSE:4228) has a E10 of 円30.87 as of Jun. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Sekisui Kasei Co and its competitors.
Is Sekisui Kasei Co's E10 too high?
Sekisui Kasei Co's current E10 is 円30.87. Overall, Sekisui Kasei Co has a GF Score™ of 53/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sekisui Kasei Co's E10 compare to LIN and SHW?
Sekisui Kasei Co's E10 of 円30.87 can be compared against companies in the Chemicals 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 Chemicals company?
A good E10 depends on the Chemicals 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 Sekisui Kasei Co and its competitors. Sekisui Kasei Co's current E10 is 円30.87. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sekisui Kasei Co stock overvalued right now?
Based on GuruFocus' analysis, Sekisui Kasei Co (TSE:4228) is currently considered Significantly Overvalued. The stock's GF Value™ is 円341.80, compared to a current price of 円595.00 — trading 74.1% above its estimated fair value. The current E10 is 円30.87. Sekisui Kasei Co's overall GF Score™ is 53/100 with 9 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 Sekisui Kasei Co (TSE:4228), the current E10 is 円30.87 as of Jun. 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 Sekisui Kasei Co (TSE:4228) Overvalued in 2026?

Based on GuruFocus' analysis, Sekisui Kasei Co stock appears to be overvalued. The current stock price of 円595.00 is trading 74.1% above its estimated GF Value™ of 円341.80. GuruFocus considers Sekisui Kasei Co to be Significantly Overvalued.

Key valuation signals for TSE:4228:

  • E10: 円30.87
  • GF Value™: 円341.80 vs. price of 円595.00 (74.1% above fair value)
  • GF Score™: 53/100 with 9 warning signs

No single metric tells the full story. See the TSE:4228 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Sekisui Kasei Co Business Description

Address 2-4-4 Nishitenma, Kita-ku, Osaka, JPN, 530-8565
Sekisui Kasei Co Ltd is a plastic provider solution company. The company is engaged in manufacture and sale of foamed plastic and other plastic products. It operates in two segments, Human Life, and Industry. The products in human life segment include Eslen beads, Eslen sheet, Eslen wood, Interforms, ES molded products such as ES Dan mat, Eslen block used in agricultural and fishery materials, food packaging materials, distribution materials, construction materials, civil engineering materials. The products in Industry segment are Pioceran, Literon, Neomicrolen, Serpet, Techpolymer, Technogel, Techheater, Elastil, Formac, ST-LAYER used in automotive materials, vehicle parts packaging, industrial materials, industrial packaging, electronic component materials, medical and health materials.
53GF Score

Get the complete analysis for TSE:4228

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

円595.00
Price
円341.80
GF Value