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Western Digital Corp  (NAS:WDC) Shiller PE Ratio: 19.83 (As of Today)

As of today, Western Digital Corp's current share price is $86.48. Western Digital Corp's E10 for the quarter that ended in Mar. 2017 was $4.36. Western Digital Corp's Shiller P/E Ratio for today is 19.83.

NAS:WDC' s Shiller PE Ratio Range Over the Past 10 Years
Min: 7.62   Max: 1946.5
Current: 19.69

7.62
1946.5

During the past years, Western Digital Corp's highest Shiller P/E Ratio was 1946.50. The lowest was 7.62. And the median was 18.10.

NAS:WDC's Shiller PE Ratio is ranked higher than
67% of the 420 Companies
in the Global industry.

( Industry Median: 32.01 vs. NAS:WDC: 19.69 )

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.

Western Digital Corp's adjusted earnings per share data for the three months ended in Mar. 2017 was $0.830. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $4.36 for the trailing ten years ended in Mar. 2017.


Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

* Premium members only.

Western Digital Corp Annual Data

Jun08 Jun09 Jun10 Jun11 Jun12 Jun13 Jun14 Jun15 Jun16 Jun17
Shiller PE Ratio Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 18.43 22.93 17.28 10.57 20.18

Western Digital Corp Quarterly Data

Sep12 Dec12 Mar13 Jun13 Sep13 Dec13 Mar14 Jun14 Sep14 Dec14 Mar15 Jun15 Sep15 Dec15 Mar16 Jun16 Sep16 Dec16 Mar17 Jun17
Shiller PE Ratio 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 Premium Member Only Premium Member Only Premium Member Only 10.57 13.63 15.79 18.91 20.18

Competitive Comparison
* 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.


Calculation

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.

Western Digital Corp's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/ E10
=86.48/4.36
=19.83

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

Western Digital Corp's E10 for the fiscal year that ended in Jun17 is calculated as:

For example, Western Digital Corp's adjusted earnings per share data for the three months ended in Mar. 2017 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Mar. 2017 (Change)*Current CPI (Mar. 2017)
=0.83/243.801*243.801
=0.830

Current CPI (Mar. 2017) = 243.801.

Western Digital Corp Quarterly Data

per_share_eps CPI Adj_EPS

Add all the adjusted EPS together and divide 10 will get our E10.


Explanation

Compared with the regular P/E ratio, which works poorly for cyclical businesses, the Shiller P/E smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller P/E should give similar results to regular P/E.

Compared with the P/S ratio, the Shiller P/E makes the comparison between different industries more meaningful.


Be Aware

The Shiller P/E assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, the Shiller P/E and P/S ratio will give false valuations.


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