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Spartech Corporation (NYSE:SEH)
Shiller P/E Ratio
(As of Today)

As of today, Spartech Corporation's current share price is $0.00. Spartech Corporation's E10 for the quarter that ended in Oct. 2012 was $0.00. Spartech Corporation's Shiller P/E Ratio for today is .

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.

Spartech Corporation's adjusted earnings per share data for the three months ended in Oct. 2012 was $-0.021. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.00 for the trailing ten years ended in Oct. 2012.


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.

Spartech Corporation's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10
=0.00/0.00
=

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

Spartech Corporation's E10 for the fiscal year that ended in Oct12 is calculated as:

For example, Spartech Corporation's adjusted earnings per share data for the three months ended in Oct. 2012 was:

Adj_EPS=Earnigns per Share/CPI of Oct. 2012 (Change)*Current CPI (Oct. 2012)
=-0.021/231.317*231.317
=-0.021

Current CPI (Oct. 2012) = 231.317.

Spartech Corporation Quarterly Data

201007201010201101201104201107201110201201201204201207201210
per share eps -0.120-1.8230.0300.0800.100-0.902-0.0700.1200.060-0.021
CPI 218.011218.711220.223224.906225.922226.421226.665230.085229.104231.317
Adj_EPS -0.127-1.9280.0320.0820.102-0.922-0.0710.1210.061-0.021
200801200804200807200810200901200904200907200910201001201004
per share eps -0.1200.1400.150-6.520-0.1700.1200.0500.2600.1500.140
CPI 211.080214.823219.964216.573211.143213.240215.351216.177216.687218.009
Adj_EPS -0.1320.1510.158-6.964-0.1860.1300.0540.2780.1600.149
200507200510200601200604200607200610200701200704200707200710
per share eps 0.1300.1600.1800.4200.3300.2600.2500.4900.2700.040
CPI 195.400199.200198.300201.500203.500201.800202.416206.686208.299208.936
Adj_EPS 0.1540.1860.2100.4820.3750.2980.2860.5480.3000.044
200301200304200307200310200401200404200407200410200501200504
per share eps 0.2100.3600.2800.3100.2600.4100.3600.2800.0900.000
CPI 181.700183.800183.900185.000185.200188.000189.400190.900190.700194.600
Adj_EPS 0.2670.4530.3520.3880.3250.5040.4400.3390.1090.000

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.


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.

Spartech Corporation Annual Data

Oct03Oct04Oct05Oct06Oct07Oct08Oct09Oct10Oct11Oct12
ShillerPE 15.5616.6113.6121.9612.76-56.76-31.21-9.83-3.880.00

Spartech Corporation Quarterly Data

Jul10Oct10Jan11Apr11Jul11Oct11Jan12Apr12Jul12Oct12
ShillerPE -21.43-9.83-9.47-8.42-6.65-3.88-4.92-4.15-4.190.00
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