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Wednesday, February 10, 2010, 5:50AM ET - U.S. Markets open in 3 hours and 40 minutes. Dow Up 1.52% Nasdaq  0.00%
UltraShort QQQ ProShares (QID)On Feb 9: 21.14   0.00 (0.00%)  
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Risk  As of 31-Jan-10Get Risk for:
RISK (MODERN PORTFOLIO THEORY) STATISTICS 
3 Years
StatisticQIDCategory
Alpha (against Standard Index)-35.75-25.41
Beta (against Standard Index)15.7112.69
Mean Annual Return-1.12-0.58
R-squared (against Standard Index)33.67
Standard Deviation44.29N/A
Sharpe Ratio-0.35-0.19

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