Snapshot: Vanguard Total Bond Market Index
 Quick stats
Latest price 79.99  Change +0.20
Net assets6.06 Bil% Change+0.25%
YTD+6.37%
Category Income
Fund family name Vanguard
Index tracked BarCap US Agg Bond TR USD
Inception date 4/3/2007
Turnover ratio +61.00%
>Detailed quote Last price update 11/24/09 03:59 PM ET

 Overview
The investment seeks to track the performance of a broad, market-weighted bond index. The fund invests by sampling the index. It invests at least 80% of assets in bonds held in the index. The fund maintains a dollar-weighted average maturity consistent with that of the index, ranging between 5 and 10 years.

 Annual returns
  2006 2007 2008
MKT NA NA 6.88
NAV 4.27 6.97 5.17
View additional performance information

 Modern portfolio theory statistics
Measurement Standard Index
BarCap US Agg Bond TR USD
R-Squared (1-year) 98
Beta (1-year) 0.98
Alpha (1-year) 0.40
What does this mean?

 
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 Asset allocation
Prospectus Objectives Income

 Fees and expenses
Expense Ratio0.14%
Gross Expense Ratio0.10%
Net Expense Ratio0.10%
Management Fee0.10%

 Volatility measures
1-year standard deviation 4.51
Mean 77.25
3-year Sharpe ratio NA
3-year Treynor ratio NA
What does this mean?