Mk Seiko Co (TSE:5906) E10: 円63.29 (As of Mar. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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:5906 Mk Seiko Co Ltd TSE:5906
77 GF Score
Price 円760.00
GF Value 円484.48
Valuation Significantly Overvalued
View Full Analysis

What is Mk Seiko Co E10?

Mk Seiko Co TSE:5906 +1.60% 77 E10 is 円63.29 as of Mar. 2026. GuruFocus rates TSE:5906 with a GF Score™ of 77/100 and a GF Value™ of 円484.48 (Significantly Overvalued).

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.

Mk Seiko Co's adjusted earnings per share data for the three months ended in Mar. 2026 was 円6.160. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is 円63.29 for the trailing ten years ended in Mar. 2026.

During the past 3 years, the average E10 Growth Rate was 14.10% 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 Mk Seiko Co was 14.10% per year. The lowest was 6.00% per year. And the median was 13.45% per year.

As of today (2026-08-18), Mk Seiko Co's current stock price is 円760.00. Mk Seiko Co's E10 for the quarter that ended in Mar. 2026 was 円63.29. Mk Seiko Co's Shiller PE Ratio of today is 12.01.

During the past 13 years, the highest Shiller PE Ratio of Mk Seiko Co was 16.74. The lowest was 8.15. And the median was 9.93.


Mk Seiko Co  (TSE:5906) 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.

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

Shiller PE Ratio=Share Price/E10
=760.00/63.29
=12.01

* 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 Mk Seiko Co was 16.74. The lowest was 8.15. And the median was 9.93.


Be Aware

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


Mk Seiko Co E10 Related Terms


Mk Seiko Co E10 Historical Data

* Premium members only.

The historical data trend for Mk Seiko 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.

Mk Seiko Co E10 Chart

Mk Seiko 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 37.91 42.63 44.78 0.00 63.29

Mk Seiko 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 52.85 59.03 65.98 63.29 0.00

TSE:5906 vs AAPL: E10 Comparison

For the Consumer Electronics subindustry, Mk Seiko 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.


Mk Seiko Co Shiller PE Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Mk Seiko Co's Shiller PE Ratio distribution charts can be found below:

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


TSE:5906
77GF Score
Mk Seiko Co Ltd TSE:5906
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Mk Seiko 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, Mk Seiko 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)
=6.16/112.7000*112.7000
=6.160

Current CPI (Mar. 2026) = 112.7000.

Mk Seiko Co Quarterly Data

per share eps CPI Adj_EPS
201603 -19.990 97.900 -23.012
201606 8.100 98.100 9.306
201609 20.360 98.000 23.414
201612 28.549 98.400 32.698
201703 -14.630 98.100 -16.807
201706 10.390 98.500 11.888
201709 20.289 98.800 23.143
201712 23.330 99.400 26.452
201803 -21.070 99.200 -23.937
201806 12.790 99.200 14.531
201809 20.996 99.900 23.686
201812 38.110 99.700 43.079
201903 -19.246 99.700 -21.756
201906 9.030 99.800 10.197
201909 15.830 100.100 17.823
201912 31.361 100.500 35.168
202003 -26.800 100.300 -30.113
202006 10.510 99.900 11.857
202009 23.730 99.900 26.770
202012 43.084 99.300 48.898
202103 -41.440 99.900 -46.750
202106 14.020 99.500 15.880
202109 16.460 100.100 18.532
202112 20.400 100.100 22.968
202203 -12.010 101.100 -13.388
202206 5.160 101.800 5.712
202209 27.880 103.100 30.476
202212 49.250 104.100 53.319
202303 -2.380 104.400 -2.569
202306 10.990 105.200 11.774
202309 33.770 106.200 35.837
202312 58.255 106.800 61.473
202403 -54.390 107.200 -57.181
202406 35.140 108.200 36.601
202409 32.110 108.900 33.230
202503 0.000 111.100 0.000
202506 16.450 111.700 16.597
202509 71.750 112.000 72.198
202512 73.130 113.000 72.936
202603 6.160 112.700 6.160

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63.29 mean?
Mk Seiko Co (TSE:5906) has a E10 of 円63.29 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Mk Seiko Co and its competitors.
Is Mk Seiko Co's E10 too high?
Mk Seiko Co's current E10 is 円63.29. Overall, Mk Seiko Co has a GF Score™ of 77/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Mk Seiko Co's E10 compare to AAPL?
Mk Seiko Co's E10 of 円63.29 can be compared against companies in the Hardware 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 Hardware company?
A good E10 depends on the Hardware 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 Mk Seiko Co and its competitors. Mk Seiko Co's current E10 is 円63.29. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mk Seiko Co stock overvalued right now?
Based on GuruFocus' analysis, Mk Seiko Co (TSE:5906) is currently considered Significantly Overvalued. The stock's GF Value™ is 円484.48, compared to a current price of 円760.00 — trading 56.9% above its estimated fair value. The current E10 is 円63.29. Mk Seiko Co's overall GF Score™ is 77/100. 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 Mk Seiko Co (TSE:5906), the current E10 is 円63.29 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 Mk Seiko Co (TSE:5906) Overvalued in 2026?

Based on GuruFocus' analysis, Mk Seiko Co stock appears to be overvalued. The current stock price of 円760.00 is trading 56.9% above its estimated GF Value™ of 円484.48. GuruFocus considers Mk Seiko Co to be Significantly Overvalued.

Key valuation signals for TSE:5906:

  • E10: 円63.29
  • GF Value™: 円484.48 vs. price of 円760.00 (56.9% above fair value)
  • GF Score™: 77/100

No single metric tells the full story. See the TSE:5906 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Mk Seiko Co Business Description

Address 1825, Amenomiya, Nagano-ken, Chikuma, JPN, 387 8603
Mk Seiko Co Ltd is a Japanese manufacturer and seller of automotive service equipment, information equipment and household equipment. In automotive service equipment, the company offers car washing machines, freon cleaning and charging machines and others. It offers information equipment like large screen televisions for outside and auditoriums, road information equipment and color display equipment for shops. The household products offered by the company are low-temperature farm product storage, bread makers and oil supply pumps.
77GF Score

Get the complete analysis for TSE:5906

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

円760.00
Price
円484.48
GF Value