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Sonic Corp (NAS:SONC)
Shiller P/E Ratio
32.70 (As of Today)

As of today, Sonic Corp's current share price is $20.65. Sonic Corp's E10 for the quarter that ended in May. 2014 was $0.63. Sonic Corp's Shiller P/E Ratio for today is 32.70.

SONC' s 10-Year Shiller P/E Ratio Range
Min: 7.9   Max: 46.37
Current: 32.7

7.9
46.37

During the past 13 years, Sonic Corp's highest Shiller P/E Ratio was 46.37. The lowest was 7.90. And the median was 26.82.

SONC's Shiller P/E Ratiois ranked higher than
87% of the 328 Companies
in the Global Restaurants industry.

( Industry Median: 9999.00 vs. SONC: 32.70 )

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.

Sonic Corp's adjusted earnings per share data for the three months ended in May. 2014 was $0.301. Since most companies do not have as long as 10 years history, here we use 6 years to calculate. Add all the adjusted EPS for the past 6 years together and divide 6 will get our E10, which is $0.63 for the trailing six years ended in May. 2014.


Definition

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.

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

Shiller P/E Ratio=Share Price/E10
=20.65/0.63
=32.78

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Sonic Corp's E10 for the fiscal year that ended in Aug13 is calculated as:

For example, Sonic Corp's adjusted earnings per share data for the three months ended in May. 2014 was:

Adj_EPS=Earnigns per Share/CPI of May. 2014*CPI of Current
=0.3/237.9*238.786
=0.301

Since most companies do not have as long as 10 years history, here we use 6 years to calculate:

Current CPI = 238.786.

Sonic Corp Quarterly Data

201202201205201208201211201302201305201308201311201402201405
per share eps 0.0300.2400.2480.1100.0600.2600.2120.1400.0700.300
CPI 227.663229.815230.379230.221232.166232.945233.877233.069234.781237.900
Adj_EPS 0.0310.2490.2570.1140.0620.2670.2160.1430.0710.301
200908200911201002201005201008201011201102201105201108201111
per share eps 0.2750.100-0.0100.1800.0750.1200.070-0.0800.1980.090
CPI 215.834216.330216.741218.178218.312218.803221.309225.964226.545226.230
Adj_EPS 0.3040.110-0.0110.1970.0820.1310.076-0.0850.2090.095
200808200811200902200905
per share eps 0.3290.1200.1400.270
CPI 219.086212.425212.193213.856
Adj_EPS 0.3590.1350.1580.301

Add all the adjusted EPS together and divide 6 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.


Related Terms

P/E Ratio, P/B Ratio, P/S Ratio, Price-to-Free-Cash-Flow ratio, E10


Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Sonic Corp Annual Data

Aug04Aug05Aug06Aug07Aug08Aug09Aug10Aug11Aug12Aug13
ShillerPE 31.3636.3833.0329.0816.9313.079.2812.1313.2824.49

Sonic Corp Quarterly Data

Feb12May12Aug12Nov12Feb13May13Aug13Nov13Feb14May14
ShillerPE 11.4311.8713.2814.7416.4319.5024.4931.2132.9833.07
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