See what your fund actually adds

iShares iBonds Dec 2044 Term Treasury ETF IBGA

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

Fund and replication metrics

IBGA compared with its replication portfolio
MeasureIBGAReplication
Annualized growth-1.5%-1.9%
Annualized volatility9.9%10.2%
Sharpe ratio-0.10-0.14
Maximum drawdown10.7%11.3%
Replication fit (R²)1.00 · Tracking error 0.7%

Replication portfolio

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

IBGA replication basket weights
TickerBuilding blockWeight
SPTLFI · Long Gov86.3%
VGITFI · Intermediate Gov7.4%
MBBFI · MBS6.3%