See what your fund actually adds

Vanguard Intermediate-Term Bond Index Fund Investor Shares VBIIX

Historical return decomposition and an investable replication portfolio, using data through 2026-10-09.

Fund and replication metrics

VBIIX compared with its replication portfolio
MeasureVBIIXReplication
Annualized growth-0.5%-0.5%
Annualized volatility6.2%6.0%
Sharpe ratio-0.05-0.06
Maximum drawdown17.3%17.4%
Replication fit (R²)0.99 · Tracking error 0.4%

Replication portfolio

The published portfolio below is the investable basket used to model VBIIX’s historical return behavior.

VBIIX replication basket weights
TickerBuilding blockWeight
VGITFI · Intermediate Gov48.4%
VCITFI · IG Credit32.4%
AGGFI · Aggregate8.0%
SPTLFI · Long Gov7.1%
MBBFI · MBS4.1%