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

As of today, Carrizo Oil & Gas Inc's current share price is $49.65. Carrizo Oil & Gas Inc's E10 for the quarter that ended in Dec. 2014 was $0.25. Carrizo Oil & Gas Inc's Shiller P/E Ratio for today is 198.60.

CRZO' s 10-Year Shiller P/E Ratio Range
Min: 19.34   Max: 346.33
Current: 197.6

19.34
346.33

During the past 13 years, Carrizo Oil & Gas Inc's highest Shiller P/E Ratio was 346.33. The lowest was 19.34. And the median was 57.99.

CRZO's Shiller P/E Ratiois ranked higher than
88% of the 1258 Companies
in the Global Oil & Gas E&P industry.

( Industry Median: 0.00 vs. CRZO: 197.60 )

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. 2014 was $2.878. 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 $0.25 for the trailing six years ended in Dec. 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.

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

Shiller P/E Ratio=Share Price/E10
=49.65/0.25
=198.60

* 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 Dec14 is calculated as:

For example, Carrizo Oil & Gas Inc's adjusted earnings per share data for the three months ended in Dec. 2014 was:

Adj_EPS=Earnigns per Share/CPI of Dec. 2014*CPI of Current
=2.89/234.812*233.808
=2.878

Since most companies do not have as long as 10 years history, GuruFocus uses 6 years to do the calculation.

Current CPI = 233.808.

Carrizo Oil & Gas Inc Quarterly Data

201209201212201303201306201309201312201403201406201409201412
per share eps -0.0200.4610.6500.9100.110-0.5600.1300.0501.8202.890
CPI 231.407229.601232.773233.504234.149233.049236.293238.343238.031234.812
Adj_EPS -0.0200.4690.6530.9110.110-0.5620.1290.0491.7882.878
201003201006201009201012201103201106201109201112201203201206
per share eps 0.6300.0500.370-0.6870.0200.2000.5500.1620.2400.710
CPI 217.631217.965218.439219.179223.467225.722226.889225.672229.392229.478
Adj_EPS 0.6770.0540.396-0.7330.0210.2070.5670.1680.2450.723
200903200906200909200912
per share eps -4.070-0.190-0.150-2.203
CPI 212.709215.693215.969215.949
Adj_EPS -4.474-0.206-0.162-2.385

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.

Carrizo Oil & Gas Inc Annual Data

Dec05Dec06Dec07Dec08Dec09Dec10Dec11Dec12Dec13Dec14
ShillerPE 45.1854.58102.4476.623.354.273.170.000.00165.38

Carrizo Oil & Gas Inc Quarterly Data

Sep12Dec12Mar13Jun13Sep13Dec13Mar14Jun14Sep14Dec14
ShillerPE 2.980.000.000.000.000.000.000.000.00165.38
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