PEY: Risk for POWERSHARES ETF - Yahoo! Finance

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Risk As of 31-Jan-10	Get Risk for:

RISK (MODERN PORTFOLIO THEORY) STATISTICS

3 Years
Statistic	PEY	Category
Alpha (against Standard Index)	-9.02	1.78
Beta (against Standard Index)	1.10	1.24
Mean Annual Return	-1.27	-0.46
R-squared (against Standard Index)	49.29	84.14
Standard Deviation	31.15	N/A
Sharpe Ratio	-0.55	-0.28

5 Years
Statistic	PEY	Category
Alpha (against Standard Index)	-7.18	N/A
Beta (against Standard Index)	1.08	N/A
Mean Annual Return	-0.48	N/A
R-squared (against Standard Index)	49.73	N/A
Standard Deviation	24.54	N/A
Sharpe Ratio	-0.35	N/A

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