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Carrizo Oil & Gas Inc (NAS:CRZO)
Shiller P/E Ratio
(As of Today)

As of today, Carrizo Oil & Gas Inc's current share price is $32.96. Carrizo Oil & Gas Inc's E10 for the quarter that ended in Dec. 2015 was $-2.05. Carrizo Oil & Gas Inc's Shiller P/E Ratio for today is .

During the past 13 years, Carrizo Oil & Gas Inc's highest Shiller P/E Ratio was 5208.00. The lowest was 0.00. And the median was 302.84.

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.

Carrizo Oil & Gas Inc's adjusted earnings per share data for the three months ended in Dec. 2015 was $-6.716. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $-2.05 for the trailing ten years ended in Dec. 2015.


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.

Carrizo Oil & Gas Inc's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10
=32.96/-2.05
=

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

Carrizo Oil & Gas Inc's E10 for the fiscal year that ended in Dec15 is calculated as:

For example, Carrizo Oil & Gas Inc's adjusted earnings per share data for the three months ended in Dec. 2015 was:

Adj_EPS=Earnigns per Share/CPI of Dec. 2015 (Change)*Current CPI (Dec. 2015)
=-6.716/236.525*236.525
=-6.716

Current CPI (Dec. 2015) = 236.525.

Carrizo Oil & Gas Inc Quarterly Data

201309201312201403201406201409201412201503201506201509201512
per share eps 0.110-0.5600.1300.0501.8202.890-0.460-0.900-13.730-6.716
CPI 234.149233.049236.293238.343238.031234.812236.119238.638237.945236.525
Adj_EPS 0.111-0.5680.1300.0501.8082.911-0.461-0.892-13.648-6.716
201103201106201109201112201203201206201209201212201303201306
per share eps 0.0200.2000.5500.1620.2400.710-0.0200.4610.6500.910
CPI 223.467225.722226.889225.672229.392229.478231.407229.601232.773233.504
Adj_EPS 0.0210.2100.5730.1700.2470.732-0.0200.4750.6600.922
200809200812200903200906200909200912201003201006201009201012
per share eps 2.120-2.962-4.070-0.190-0.150-2.2030.6300.0500.370-0.687
CPI 218.783210.228212.709215.693215.969215.949217.631217.965218.439219.179
Adj_EPS 2.292-3.333-4.526-0.208-0.164-2.4130.6850.0540.401-0.741
200603200606200609200612200703200706200709200712200803200806
per share eps 0.2700.1000.1800.162-0.1000.3100.2000.158-0.180-0.420
CPI 199.800202.900202.900201.800205.352208.352208.490210.036213.528218.815
Adj_EPS 0.3200.1170.2100.190-0.1150.3520.2270.178-0.199-0.454

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.

Carrizo Oil & Gas Inc Annual Data

Dec06Dec07Dec08Dec09Dec10Dec11Dec12Dec13Dec14Dec15
ShillerPE 0.00307.7551.770.000.000.000.000.00241.570.00

Carrizo Oil & Gas Inc Quarterly Data

Sep13Dec13Mar14Jun14Sep14Dec14Mar15Jun15Sep15Dec15
ShillerPE 0.000.000.000.000.00241.57395.713,695.240.000.00
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