See what your fund actually adds

US Treasury 12 Month Bill ETF OBIL

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

Fund and replication metrics

OBIL compared with its replication portfolio
MeasureOBILReplication
Annualized growth4.3%4.3%
Annualized volatility0.7%0.6%
Sharpe ratio6.127.56
Maximum drawdown0.3%0.2%
Replication fit (R²)0.82 · Tracking error 0.3%

Replication portfolio

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

OBIL replication basket weights
TickerBuilding blockWeight
BILFI · Ultra-Short69.6%
VGSHFI · Short Gov30.4%