See what your fund actually adds

Vanguard Intermediate-Term Treasury Index Fund Admiral Shares VSIGX

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

Fund and replication metrics

VSIGX compared with its replication portfolio
MeasureVSIGXReplication
Annualized growth-0.3%-0.3%
Annualized volatility5.1%5.1%
Sharpe ratio-0.03-0.03
Maximum drawdown13.5%13.4%
Replication fit (R²)1.00 · Tracking error 0.1%

Replication portfolio

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

VSIGX replication basket weights
TickerBuilding blockWeight
VGITFI · Intermediate Gov100.0%