PRFZ: Risk for PowerShares Exchange-Traded Fun - Yahoo! Finance

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Risk As of 30-Nov-09	Get Risk for:

RISK (MODERN PORTFOLIO THEORY) STATISTICS

3 Years
Statistic	PRFZ	Category
Alpha (against Standard Index)	6.25	-2.18
Beta (against Standard Index)	1.37	1.22
Mean Annual Return	0	-0.62
R-squared (against Standard Index)	82.70	85.41
Standard Deviation	29.83	N/A
Sharpe Ratio	-0.08	-0.38

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