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Shiller P/E Ratio
54.25 (As of Today)

As of today, Shire PLC's current share price is $168.17. Shire PLC's E10 for the quarter that ended in Sep. 2016 was $3.10. Shire PLC's Shiller P/E Ratio for today is 54.25.

SHPG' s Shiller P/E Ratio Range Over the Past 10 Years
Min: 42.92   Max: 469
Current: 57.6


During the past 13 years, Shire PLC's highest Shiller P/E Ratio was 469.00. The lowest was 42.92. And the median was 102.43.

SHPG's Shiller P/E Ratio is ranked lower than
54% of the 56 Companies
in the Global Biotechnology industry.

( Industry Median: 46.84 vs. SHPG: 57.60 )

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.

Shire PLC's adjusted earnings per share data for the three months ended in Sep. 2016 was $-1.290. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $3.10 for the trailing ten years ended in Sep. 2016.


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.

Shire PLC'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 local exchange's currency.

Shire PLC's E10 for the fiscal year that ended in Dec15 is calculated as:

For example, Shire PLC's adjusted earnings per share data for the three months ended in Sep. 2016 was:

Adj_EPS=Earnigns per Share/CPI of Sep. 2016 (Change)*Current CPI (Sep. 2016)

Current CPI (Sep. 2016) = 241.428.

Shire PLC Quarterly Data

per share eps 2.6582.42711.0312.0700.8102.2801.4312.130-0.720-1.290
CPI 238.343238.031234.812236.119238.638237.945236.525238.132241.018241.428
Adj_EPS 2.6922.46211.3422.1170.8192.3131.4612.159-0.721-1.290
per share eps 1.3891.2421.2391.1880.2280.3541.3591.4640.3361.173
CPI 225.672229.392229.478231.407229.601232.773233.504234.149233.049236.293
Adj_EPS 1.4861.3071.3041.2390.2400.3671.4051.5100.3481.198
per share eps 0.2430.3270.9510.8910.8580.5190.8791.1101.0771.017
CPI 215.693215.969215.949217.631217.965218.439219.179223.467225.722226.889
Adj_EPS 0.2720.3661.0630.9880.9500.5740.9681.1991.1521.082
per share eps 0.4020.639-9.9300.1891.2030.681-0.438-0.1950.7771.155
CPI 201.800205.352208.352208.490210.036213.528218.815218.783210.228212.709
Adj_EPS 0.4810.751-11.5060.2191.3830.770-0.483-0.2150.8921.311

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 local exchange's currency.

Shire PLC Annual Data


Shire PLC Quarterly Data

ShillerPE 141.40147.4677.6884.7079.3458.0958.0346.0855.0562.51
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