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Alkermes PLC (NAS:ALKS)
Shiller P/E Ratio
0.00 (As of Today)

As of today, Alkermes PLC's current share price is $45.91. Alkermes PLC's E10 for the quarter that ended in Mar. 2014 was $-0.11. Alkermes PLC's Shiller P/E Ratio for today is 0.00.

ALKS' s 10-Year Shiller P/E Ratio Range
Min: 0   Max: 394.67
Current: 0

0
394.67

During the past 13 years, Alkermes PLC's highest Shiller P/E Ratio was 394.67. The lowest was 0.00. And the median was 56.25.

ALKS's Shiller P/E Ratiois ranked higher than
59% of the 956 Companies
in the Global Biotechnology industry.

( Industry Median: 9999.00 vs. ALKS: 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.

Alkermes PLC's adjusted earnings per share data for the three months ended in Mar. 2014 was $-0.172. 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 $-0.11 for the trailing six years ended in Mar. 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.

Alkermes PLC's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10
=45.91/-0.11
=

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

Alkermes PLC's E10 for the fiscal year that ended in Mar13 is calculated as:

For example, Alkermes PLC's adjusted earnings per share data for the three months ended in Mar. 2014 was:

Adj_EPS=Earnigns per Share/CPI of Mar. 2014*CPI of Current
=-0.17/236.293*239.556
=-0.172

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

Current CPI = 239.556.

Alkermes PLC Quarterly Data

201109201112201203201206201209201212201303201306201309201403
per share eps -0.220-0.110-0.4880.170-0.1300.1200.0210.050-0.060-0.170
CPI 226.889225.672229.392229.478231.407229.601232.773233.504234.149236.293
Adj_EPS -0.232-0.117-0.5100.177-0.1350.1250.0220.051-0.061-0.172
200903200906200909200912201003201006201009201012201103201106
per share eps -0.143-0.110-0.090-0.070-0.147-0.140-0.080-0.120-0.136-0.140
CPI 212.709215.693215.969215.949217.631217.965218.439219.179223.467225.722
Adj_EPS -0.161-0.122-0.100-0.078-0.162-0.154-0.088-0.131-0.146-0.149
200803200806200809200812
per share eps -0.1870.3100.0201.180
CPI 213.528218.815218.783210.228
Adj_EPS -0.2100.3390.0221.345

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.

Alkermes PLC Annual Data

Mar04Mar05Mar06Mar07Mar08Mar09Mar10Mar11Mar12Mar13
ShillerPE -13.09-8.68-23.74-18.102.92105.1543.1233.0777.6993.46

Alkermes PLC Quarterly Data

Sep11Dec11Mar12Jun12Sep12Dec12Mar13Jun13Sep13Mar14
ShillerPE 44.6654.0477.6963.0886.5472.9093.46116.10148.560.00
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