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Power-One, Inc. (NAS:PWER)
Shiller P/E Ratio
0.00 (As of Today)

As of today, Power-One, Inc.'s current share price is $6.34. Power-One, Inc.'s E10 for the quarter that ended in Mar. 2013 was $0.00. Power-One, Inc.'s Shiller P/E Ratio for today is 0.00.

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

PWER's Shiller P/E Ratiois ranked lower than
192% of the 994 Companies
in the Global Electronic Components industry.

( Industry Median: 24.83 vs. PWER: 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.

Power-One, Inc.'s adjusted earnings per share data for the three months ended in Mar. 2013 was $-0.061. 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 $0.00 for the trailing six years ended in Mar. 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.

Power-One, Inc.'s Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10
=6.34/0.00
=

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

Power-One, Inc.'s E10 for the fiscal year that ended in Dec12 is calculated as:

For example, Power-One, Inc.'s adjusted earnings per share data for the three months ended in Mar. 2013 was:

Adj_EPS=Earnigns per Share/CPI of Mar. 2013*CPI of Current
=-0.06/232.773*238.064
=-0.061

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

Current CPI = 238.064.

Power-One, Inc. Quarterly Data

201012201103201106201109201112201203201206201209201212201303
per share eps 0.3780.2000.2100.2700.2400.0300.3000.130-0.141-0.060
CPI 219.179223.467225.722226.889225.672229.392229.478231.407229.601232.773
Adj_EPS 0.4110.2130.2210.2830.2530.0310.3110.134-0.146-0.061
200806200809200812200903200906200909200912201003201006201009
per share eps -0.040-0.0200.020-0.700-0.080-0.0300.0700.0400.1700.400
CPI 218.815218.783210.228212.709215.693215.969215.949217.631217.965218.439
Adj_EPS -0.044-0.0220.023-0.783-0.088-0.0330.0770.0440.1860.436
200706200709200712200803
per share eps -0.130-0.070-0.080-0.160
CPI 208.352208.490210.036213.528
Adj_EPS -0.149-0.080-0.091-0.178

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.

Power-One, Inc. Annual Data

Dec03Dec04Dec05Dec06Dec07Dec08Dec09Dec10Dec11Dec12
ShillerPE -14.90-10.95-6.30-6.66-5.16-3.93-10.99-75.6880.0729.80

Power-One, Inc. Quarterly Data

Dec10Mar11Jun11Sep11Dec11Mar12Jun12Sep12Dec12Mar13
ShillerPE -75.68-294.53169.19273.2480.0769.1741.7543.2629.8026.60
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