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As of today, Alkermes PLC's current share price is $39.20. Alkermes PLC's E10 for the quarter that ended in Mar. 2016 was $-0.05. Alkermes PLC's Shiller P/E Ratio for today is .
During the past 13 years, Alkermes PLC's highest Shiller P/E Ratio was 7938.00. The lowest was 0.00. And the median was 538.62.
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. 2016 was $-0.510. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $-0.05 for the trailing ten years ended in Mar. 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.
Alkermes PLC's Shiller P/E Ratio for today is calculated as
|Shiller P/E Ratio||=||Share Price||/||E10|
Alkermes PLC's E10 for the fiscal year that ended in Dec15 is calculated as:
For example, Alkermes PLC's adjusted earnings per share data for the three months ended in Mar. 2016 was:
|Adj_EPS||=||Earnigns per Share||/||CPI of Mar. 2016 (Change)||*||Current CPI (Mar. 2016)|
Current CPI (Mar. 2016) = 238.132.
Alkermes PLC Quarterly Data
|per share eps||0.110||-0.170||0.020||-0.270||0.208||-0.210||-0.310||-0.540||-0.462||-0.510|
|per share eps||-0.140||-0.220||-0.110||-0.488||0.170||-0.130||0.120||0.021||0.050||-0.060|
|per share eps||1.180||-0.143||-0.110||-0.090||-0.070||-0.147||-0.140||-0.080||-0.120||-0.136|
|per share eps||-0.010||0.040||0.030||0.034||0.080||0.070||1.630||-0.187||0.310||0.020|
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.
The Shiller P/E assumes that over the long term, businesses and profitability revert to their means. If a companys business model does not work in the future compared with the past, the Shiller P/E and P/S ratio will give false valuations.
Alkermes PLC Annual Data
Alkermes PLC Quarterly Data