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

As of today, Carrizo Oil & Gas Inc's current share price is $55.26. Carrizo Oil & Gas Inc's E10 for the quarter that ended in Dec. 2013 was $-0.84. Carrizo Oil & Gas Inc's Shiller P/E Ratio for today is 0.00.

CRZO' s 10-Year Shiller P/E Ratio Range
Min: 0   Max: 346.33
Current: 0

0
346.33

During the past 13 years, Carrizo Oil & Gas Inc's highest Shiller P/E Ratio was 346.33. The lowest was 0.00. And the median was 54.75.

CRZO's Shiller P/E Ratiois ranked lower than
145% of the 321 Companies
in the Global Oil & Gas E&P industry.

( Industry Median: 24.56 vs. CRZO: 0.00 )

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. 2013 was $-0.568. 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 $-0.84 for the trailing six 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.

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

Shiller P/E Ratio=Share Price/E10
=55.26/-0.84
=

* 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 Dec13 is calculated as:

For example, Carrizo Oil & Gas 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*CPI of Current
=-0.56/233.049*236.511
=-0.568

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

Current CPI = 236.511.

Carrizo Oil & Gas Inc Quarterly Data

201109201112201203201206201209201212201303201306201309201312
per share eps 0.5500.1620.2400.710-0.0200.4610.6500.9100.110-0.560
CPI 226.889225.672229.392229.478231.407229.601232.773233.504234.149233.049
Adj_EPS 0.5730.1700.2470.732-0.0200.4750.6600.9220.111-0.568
200903200906200909200912201003201006201009201012201103201106
per share eps -4.070-0.190-0.150-2.2030.6300.0500.370-0.6870.0200.200
CPI 212.709215.693215.969215.949217.631217.965218.439219.179223.467225.722
Adj_EPS -4.525-0.208-0.164-2.4130.6850.0540.401-0.7410.0210.210
200803200806200809200812
per share eps -0.180-0.4202.120-2.962
CPI 213.528218.815218.783210.228
Adj_EPS -0.199-0.4542.292-3.332

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

Dec04Dec05Dec06Dec07Dec08Dec09Dec10Dec11Dec12Dec13
ShillerPE 25.3045.0354.37102.9475.933.354.273.170.000.00

Carrizo Oil & Gas Inc Quarterly Data

Sep11Dec11Mar12Jun12Sep12Dec12Mar13Jun13Sep13Dec13
ShillerPE 2.593.173.362.802.980.000.000.000.000.00
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