Asahi Diamond Industrial Co (TSE:6140) E10: 円36.82 (As of Mar. 2026)


TSE:6140 Asahi Diamond Industrial Co Ltd TSE:6140
83 GF Score
Price 円1,213.00
GF Value 円1,009.06
Valuation Modestly Overvalued
! 3 Warning Signs
View Full Analysis

What is Asahi Diamond Industrial Co E10?

Asahi Diamond Industrial Co TSE:6140 -1.14% 83 E10 is 円36.82 as of Mar. 2026. GuruFocus rates TSE:6140 with a GF Score™ of 83/100 and a GF Value™ of 円1,009.06 (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.

Asahi Diamond Industrial Co's adjusted earnings per share data for the three months ended in Mar. 2026 was 円-22.820. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is 円36.82 for the trailing ten years ended in Mar. 2026.

During the past 3 years, the average E10 Growth Rate was -4.20% 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 Asahi Diamond Industrial Co was -1.30% per year. The lowest was -9.60% per year. And the median was -7.30% per year.

As of today (2026-07-01), Asahi Diamond Industrial Co's current stock price is 円1213.00. Asahi Diamond Industrial Co's E10 for the quarter that ended in Mar. 2026 was 円36.82. Asahi Diamond Industrial Co's Shiller PE Ratio of today is 32.94.

During the past 13 years, the highest Shiller PE Ratio of Asahi Diamond Industrial Co was 40.14. The lowest was 7.27. And the median was 16.43.


Asahi Diamond Industrial Co  (TSE:6140) 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.

Asahi Diamond Industrial Co's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=1213.00/36.82
=32.94

* 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 Asahi Diamond Industrial Co was 40.14. The lowest was 7.27. And the median was 16.43.


Be Aware

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


Asahi Diamond Industrial Co E10 Related Terms


Asahi Diamond Industrial Co E10 Historical Data

* Premium members only.

The historical data trend for Asahi Diamond Industrial 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.

Asahi Diamond Industrial Co E10 Chart

Asahi Diamond Industrial 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 41.57 41.94 39.94 0.00 36.82

Asahi Diamond Industrial Co Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Sep24 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 0.00 38.45 39.67 41.11 36.82

TSE:6140 vs SNA, RBC, LECO: E10 Comparison

For the Tools & Accessories subindustry, Asahi Diamond Industrial 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.


Asahi Diamond Industrial Co Shiller PE Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Asahi Diamond Industrial Co's Shiller PE Ratio distribution charts can be found below:

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


TSE:6140
83GF Score
Asahi Diamond Industrial Co Ltd TSE:6140
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Asahi Diamond Industrial 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, Asahi Diamond Industrial 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)
=-22.82/112.7000*112.7000
=-22.820

Current CPI (Mar. 2026) = 112.7000.

Asahi Diamond Industrial Co Quarterly Data

per share eps CPI Adj_EPS
201512 19.168 98.100 22.021
201603 3.968 97.900 4.568
201606 8.580 98.100 9.857
201609 10.230 98.000 11.765
201612 10.424 98.400 11.939
201703 14.870 98.100 17.083
201706 12.360 98.500 14.142
201709 14.380 98.800 16.403
201712 21.581 99.400 24.469
201803 -19.337 99.200 -21.969
201806 13.430 99.200 15.258
201809 8.834 99.900 9.966
201812 10.540 99.700 11.914
201903 8.900 99.700 10.060
201906 3.180 99.800 3.591
201909 2.900 100.100 3.265
201912 6.540 100.500 7.334
202003 -18.760 100.300 -21.079
202006 1.420 99.900 1.602
202009 -16.100 99.900 -18.163
202012 -1.170 99.300 -1.328
202103 9.872 99.900 11.137
202106 7.170 99.500 8.121
202109 12.450 100.100 14.017
202112 16.050 100.100 18.070
202203 23.556 101.100 26.259
202206 14.490 101.800 16.041
202209 13.640 103.100 14.910
202212 12.090 104.100 13.089
202303 10.606 104.400 11.449
202306 10.010 105.200 10.724
202309 14.200 106.200 15.069
202312 8.205 106.800 8.658
202403 8.089 107.200 8.504
202409 0.000 108.900 0.000
202503 0.000 111.100 0.000
202506 16.640 111.700 16.789
202509 13.800 112.000 13.886
202512 33.300 113.000 33.212
202603 -22.820 112.700 -22.820

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36.82 mean?
Asahi Diamond Industrial Co (TSE:6140) has a E10 of 円36.82 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Asahi Diamond Industrial Co and its competitors.
Is Asahi Diamond Industrial Co's E10 too high?
Asahi Diamond Industrial Co's current E10 is 円36.82. Overall, Asahi Diamond Industrial Co has a GF Score™ of 83/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Asahi Diamond Industrial Co's E10 compare to SNA and RBC?
Asahi Diamond Industrial Co's E10 of 円36.82 can be compared against companies in the Industrial Products 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 Industrial Products company?
A good E10 depends on the Industrial Products 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 Asahi Diamond Industrial Co and its competitors. Asahi Diamond Industrial Co's current E10 is 円36.82. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Asahi Diamond Industrial Co stock overvalued right now?
Based on GuruFocus' analysis, Asahi Diamond Industrial Co (TSE:6140) is currently considered Modestly Overvalued. The stock's GF Value™ is 円1,009.06, compared to a current price of 円1,213.00 — trading 20.2% above its estimated fair value. The current E10 is 円36.82. Asahi Diamond Industrial Co's overall GF Score™ is 83/100 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 Asahi Diamond Industrial Co (TSE:6140), the current E10 is 円36.82 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 Asahi Diamond Industrial Co (TSE:6140) Overvalued in 2026?

Based on GuruFocus' analysis, Asahi Diamond Industrial Co stock appears to be overvalued. The current stock price of 円1,213.00 is trading 20.2% above its estimated GF Value™ of 円1,009.06. GuruFocus considers Asahi Diamond Industrial Co to be Modestly Overvalued.

Key valuation signals for TSE:6140:

  • E10: 円36.82
  • GF Value™: 円1,009.06 vs. price of 円1,213.00 (20.2% above fair value)
  • GF Score™: 83/100 with 3 warning signs

No single metric tells the full story. See the TSE:6140 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Asahi Diamond Industrial Co Business Description

Address The New Otani Garden Court, 11thFloor 4-1, Kioi-cho,Chiyoda-ku, Tokyo, JPN, 102-0094
Asahi Diamond Industrial Co Ltd is a Japan-based company engaged in the manufacture and sale of diamond tools. The company is involved in the production, sale, import, and export of various tools, instruments, and precision machines applicable for diamond and other high-hardness objects. It offers a range of product which includes blades, wheels, and cutters to dies and dressers. These products cater to various industries such as electronics and semiconductors, transportation machinery, stone and construction, and industrial materials.
83GF Score

Get the complete analysis for TSE:6140

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

円1,213.00
Price
円1,009.06
GF Value