OBIL
US Treasury 12 Month Bill ETF
RBB Fund, Inc.
ETFIndex fund

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
4.28%
3 year
4.62%
5 year
10 year

Standardized average annual total returns (before tax), from calendar-year returns; recent years derived from N-PORT monthly data.

Calendar-year returns

2025 onward derived from N-PORT monthly returns

Risk statistics

40 months through Feb. 28, 2026
Volatility (ann.)
0.67%
Sharpe
6.89
Sortino
268.31
Max drawdown
-0.03%
Best month
0.76%
Worst month
-0.03%
Beta vs VBTLX
0.08
Correlation
0.67

Derived from N-PORT monthly total returns; distinct from the prospectus returns above.

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.