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PowerShares QQQ Trust Series 1  (NAS:QQQ) Shiller PE Ratio: (As of Today)

As of today, PowerShares QQQ Trust Series 1's current share price is $148.71. PowerShares QQQ Trust Series 1's E10 for the quarter that ended in . 20 was $0.00. PowerShares QQQ Trust Series 1's Shiller P/E Ratio for today is .

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.

PowerShares QQQ Trust Series 1's adjusted earnings per share data of for the fiscal year that ended in was $. Add all the adjusted EPS for the past 10 years together and divide 10 will get our font class ="def_body_menu" data-url ="e10/QQQ/E10/PowerShares-QQQ-Trust-Series-1" data-ticker="NAS:QQQ">E10, which is $0.00 for the trailing ten years ended in .


Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

* Premium members only.

PowerShares QQQ Trust Series 1 Annual Data

Shiller PE Ratio

PowerShares QQQ Trust Series 1 Semi-Annual Data

Shiller PE Ratio

Competitive Comparison
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap.


Calculation

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.

PowerShares QQQ Trust Series 1's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/ E10
=148.71/
=

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

PowerShares QQQ Trust Series 1's E10 for the quarter that ended in . 20 is calculated as:

For example, PowerShares QQQ Trust Series 1's adjusted earnings per share data for the fiscal year that ended in was:

Adj_EPS=Earnings per Share (Diluted)/CPI of (Change)*Current CPI ()
=/*
=

Current CPI () = .

PowerShares QQQ Trust Series 1 does not have a history long enough to calculate E10. Therefore GuruFocus does not calculate it.


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.


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