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Pfizer Inc (NYSE:PFE)
Shiller P/E Ratio
18.67 (As of Today)

As of today, Pfizer Inc's current share price is $33.24. Pfizer Inc's E10 for the quarter that ended in Jun. 2015 was $1.78. Pfizer Inc's Shiller P/E Ratio for today is 18.67.

PFE' s 10-Year Shiller P/E Ratio Range
Min: 9.12   Max: 28.31
Current: 18.64


During the past 13 years, Pfizer Inc's highest Shiller P/E Ratio was 28.31. The lowest was 9.12. And the median was 16.31.

PFE's Shiller P/E Ratiois ranked higher than
84% of the 142 Companies
in the Global Drug Manufacturers - Major industry.

( Industry Median: 48.86 vs. PFE: 18.64 )

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.

Pfizer Inc's adjusted earnings per share data for the three months ended in Jun. 2015 was $0.420. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $1.78 for the trailing ten years ended in Jun. 2015.


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.

Pfizer Inc's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10

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

Pfizer Inc's E10 for the fiscal year that ended in Dec14 is calculated as:

For example, Pfizer Inc's adjusted earnings per share data for the three months ended in Jun. 2015 was:

Adj_EPS=Earnigns per Share/CPI of Jun. 2015 (Change)*Current CPI (Jun. 2015)

Current CPI (Jun. 2015) = 238.638.

Pfizer Inc Quarterly Data

per share eps 0.3801.9800.3900.3930.3600.4500.4200.1930.3800.420
CPI 232.773233.504234.149233.049236.293238.343238.031234.812236.119238.638
Adj_EPS 0.3902.0240.3970.4020.3640.4510.4210.1960.3840.420
per share eps 0.1100.3590.2800.3300.4800.1870.2400.4300.4300.855
CPI 218.439219.179223.467225.722226.889225.672229.392229.478231.407229.601
Adj_EPS 0.1200.3910.2990.3490.5050.1980.2500.4470.4430.889
per share eps 0.4100.4100.3400.0390.4000.3400.4300.0970.2500.310
CPI 213.528218.815218.783210.228212.709215.693215.969215.949217.631217.965
Adj_EPS 0.4580.4470.3710.0440.4490.3760.4750.1070.2740.339
per share eps 0.2200.3700.5600.3300.4601.3160.4800.1800.1100.401
CPI 198.800196.800199.800202.900202.900201.800205.352208.352208.490210.036
Adj_EPS 0.2640.4490.6690.3880.5411.5560.5580.2060.1260.456

Add all the adjusted EPS together and divide 10 will get our E10.


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.

Pfizer Inc Annual Data

ShillerPE 21.8920.9416.8413.0212.8011.9714.5216.5717.2517.81

Pfizer Inc Quarterly Data

ShillerPE 19.4316.0616.4517.2517.9316.4216.4817.8119.5218.79
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