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Symantec Corp  (NAS:SYMC) E10: $0.15 (As of Sep. 2017)

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.

Symantec Corp's adjusted earnings per share data for the three months ended in Sep. 2017 was $-0.020. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is $0.15 for the trailing ten years ended in Sep. 2017.

As of today, Symantec Corp's current stock price is $28.04. Symantec Corp's E10 for the quarter that ended in Sep. 2017 was $0.15. Symantec Corp's Shiller PE Ratio of today is 186.93.

During the past 13 years, the highest Shiller PE Ratio of Symantec Corp was 226.13. The lowest was 25.47. And the median was 60.37.


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.

Symantec Corp Annual Data

Mar08 Mar09 Mar10 Mar11 Mar12 Mar13 Mar14 Mar15 Mar16 Mar17
E10 Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -0.18 -0.12 -0.09 0.25 0.19

Symantec Corp Quarterly Data

Dec12 Mar13 Jun13 Sep13 Dec13 Mar14 Jun14 Sep14 Dec14 Mar15 Jun15 Sep15 Dec15 Mar16 Jun16 Sep16 Dec16 Mar17 Jun17 Sep17
E10 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 0.23 0.22 0.19 0.16 0.15

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

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.

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

Adj_EPS= Earnings per Share (Diluted) /CPI of Sep. 2017 (Change)*Current CPI (Sep. 2017)
=-0.02/246.819*246.819
=-0.020

Current CPI (Sep. 2017) = 246.819.

Symantec Corp Quarterly Data

per share eps CPI Adj_EPS
200712 0.150 210.036 0.176
200803 0.210 213.528 0.243
200806 0.200 218.815 0.226
200809 0.160 218.783 0.181
200812 -8.250 210.228 -9.686
200903 -0.360 212.709 -0.418
200906 0.090 215.693 0.103
200909 0.190 215.969 0.217
200912 0.370 215.949 0.423
201003 0.230 217.631 0.261
201006 0.200 217.965 0.226
201009 0.170 218.439 0.192
201012 0.170 219.179 0.191
201103 0.220 223.467 0.243
201106 0.250 225.722 0.273
201109 0.240 226.889 0.261
201112 0.320 225.672 0.350
201203 0.770 229.392 0.828
201206 0.220 229.478 0.237
201209 0.270 231.407 0.288
201212 0.310 229.601 0.333
201303 0.260 232.773 0.276
201306 0.220 233.504 0.233
201309 0.340 234.149 0.358
201312 0.400 233.049 0.424
201403 0.310 236.293 0.324
201406 0.340 238.343 0.352
201409 0.350 238.031 0.363
201412 0.320 234.812 0.336
201503 0.250 236.119 0.261
201506 0.170 238.638 0.176
201509 0.230 237.945 0.239
201512 0.250 236.525 0.261
201603 3.060 238.132 3.172
201606 0.220 241.018 0.225
201609 -0.230 241.428 -0.235
201612 0.070 241.432 0.072
201703 -0.230 243.801 -0.233
201706 -0.220 244.955 -0.222
201709 -0.020 246.819 -0.020

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

Symantec Corp's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=28.04/0.15
=186.93

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

During the past 13 years, the highest Shiller P/E Ratio of Symantec Corp was 226.13. The lowest was 25.47. And the median was 60.37.


Be Aware

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


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