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Zoltek Companies, Inc. (NAS:ZOLT)
Shiller P/E Ratio
209.13 (As of Today)

As of today, Zoltek Companies, Inc.'s current share price is \$16.73. Zoltek Companies, Inc.'s E10 for the quarter that ended in Dec. 2013 was \$0.08. Zoltek Companies, Inc.'s Shiller P/E Ratio for today is 209.13.

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.

Zoltek Companies, Inc.'s adjusted earnings per share data for the three months ended in Dec. 2013 was \$-0.070. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is \$0.08 for the trailing ten years ended in Dec. 2013.

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.

Zoltek Companies, Inc.'s Shiller P/E Ratio for today is calculated as

 Shiller P/E Ratio = Share Price / E10 = 16.73 / 0.08 = 209.13

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

Zoltek Companies, Inc.'s E10 for the fiscal year that ended in Sep13 is calculated as:

For example, Zoltek Companies, Inc.'s adjusted earnings per share data for the three months ended in Dec. 2013 was:

 Adj_EPS = Earnigns per Share / CPI of Dec. 2013 (Change) * Current CPI (Dec. 2013) = -0.07 / 233.049 * 233.049 = -0.070

Current CPI (Dec. 2013) = 233.049.

Zoltek Companies, Inc. Quarterly Data

 201109 201112 201203 201206 201209 201212 201303 201306 201309 201312 per share eps 0.133 0.28 0.1 0.16 0.123 0.09 0.09 -0.03 -0.004 -0.07 CPI 226.889 225.672 229.392 229.478 231.407 229.601 232.773 233.504 234.149 233.049 Adj_EPS 0.137 0.289 0.102 0.162 0.124 0.091 0.09 -0.03 -0.004 -0.07 200903 200906 200909 200912 201003 201006 201009 201012 201103 201106 per share eps 0.01 -0.04 -0.11 -0.01 -0.14 -0.01 -0.012 -0.05 -0.15 -0.04 CPI 212.709 215.693 215.969 215.949 217.631 217.965 218.439 219.179 223.467 225.722 Adj_EPS 0.011 -0.043 -0.119 -0.011 -0.15 -0.011 -0.013 -0.053 -0.156 -0.041 200609 200612 200703 200706 200709 200712 200803 200806 200809 200812 per share eps -0.891 -0.23 0 0.17 -0.058 0.08 0.13 0.07 -0.052 0.02 CPI 202.9 201.8 205.352 208.352 208.49 210.036 213.528 218.815 218.783 210.228 Adj_EPS -1.023 -0.266 0 0.19 -0.065 0.089 0.142 0.075 -0.055 0.022 200403 200406 200409 200412 200503 200506 200509 200512 200603 200606 per share eps -0.59 -0.12 -0.619 -1.82 -0.23 -0.14 -0.582 0.03 -1.31 -0.91 CPI 187.4 189.7 189.9 190.3 193.3 194.5 198.8 196.8 199.8 202.9 Adj_EPS -0.734 -0.147 -0.76 -2.229 -0.277 -0.168 -0.682 0.036 -1.528 -1.045

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

Historical Data

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

Zoltek Companies, Inc. Annual Data

 Sep04 Sep05 Sep06 Sep07 Sep08 Sep09 Sep10 Sep11 Sep12 Sep13 ShillerPE -10.27 -12.93 -18.05 -38.08 -16.19 -12.03 -13.78 -10.64 124.59 154.76

Zoltek Companies, Inc. Quarterly Data

 Sep11 Dec11 Mar12 Jun12 Sep12 Dec12 Mar13 Jun13 Sep13 Dec13 ShillerPE -10.64 -12.30 -32.64 -64.33 124.59 63.44 88.93 132.13 154.76 205.76
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