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Friday, November 27, 2009, 5:51PM ET - U.S. Markets closed early today. Dow Down 1.48% Nasdaq Down 1.73%
Vanguard 500 Index Investor (VFINX)On Nov 27: 100.96  Down 1.75 (1.70%)  
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Risk  As of 31-Oct-09Get Risk for:
RISK OVERVIEW 
Morningstar Risk Rating:Average
Number of Years Up:4
Number of Years Down:1
Best 1 Yr Total Return (2006):15.64%
Worst 1 Yr Total Return (2008):-37.02%
RISK (MODERN PORTFOLIO THEORY) STATISTICS 
3 Years
StatisticVFINXCategory
Alpha (against Standard Index)-0.050.38
Beta (against Standard Index)1.001.00
Mean Annual Return-7.06-0.41
R-squared (against Standard Index)10095.50
Standard Deviation19.5720.09
Sharpe Ratio-0.40N/A
Treynor Ratio-9.48N/A
5 Years
StatisticVFINXCategory
Alpha (against Standard Index)-0.080.26
Beta (against Standard Index)1.001.01
Mean Annual Return0.250.16
R-squared (against Standard Index)10094.84
Standard Deviation15.9616.47
Sharpe Ratio-0.09N/A
Treynor Ratio-2.77N/A
10 Years
StatisticVFINXCategory
Alpha (against Standard Index)-0.080.84
Beta (against Standard Index)1.000.97
Mean Annual Return-1.020.11
R-squared (against Standard Index)9991.16
Standard Deviation16.1216.35
Sharpe Ratio-0.16N/A
Treynor Ratio-3.99N/A

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