US Treasury 12 Month Bill ETF (OBIL) Performance
OBIL total return
Distributions reinvested · as of Oct 23, 2026- YTD
- +2.5% since Dec 31, 2025
- 1 year
- +3.2% total return
- 3 years
- +4.4% a year
- Since first price
- +4.3% a year since 2022
OBIL trailing returns vs SPY, QQQ, AGG
| Period | OBIL total return | Price only | S&P 500 (SPY) | Nasdaq-100 (QQQ) | U.S. bonds (AGG) |
|---|---|---|---|---|---|
| 1 month | +0.5% | +0.2% | −1.0% | −5.0% | +0.9% |
| 3 months | +1.0% | −0.0% | +3.2% | +1.9% | −0.4% |
| 6 months | +1.6% | −0.3% | +7.8% | +8.4% | −1.5% |
| YTD | +2.5% | −0.3% | +12.3% | +15.1% | −1.0% |
| 1 year | +3.2% | −0.5% | +14.4% | +15.9% | −1.1% |
| 3 years | +13.7%+4.4%/yr | +0.4% | +87.4%+23.3%/yr | +101.4%+26.3%/yr | +16.6%+5.2%/yr |
| Since inceptionNov 15, 2022 | +17.9%+4.3%/yr | −0.1% | — | — | — |
Total return from adjusted closes (distributions reinvested, before tax). Periods of 3 years or more are also shown annualized. Price only excludes distributions.
Growth of $10,000: OBIL vs SPY
From Nov 15, 2022: OBIL grew to $11,792, SPY to $20,087.
Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.
OBIL returns by calendar year
3 of 3 full years positive. Best 2024 (+4.9%), worst 2025 (+4.2%). 2026 is year to date.
OBIL annual returns table
| Year | OBIL | Largest drop | SPY | QQQ | AGG |
|---|---|---|---|---|---|
| 2026YTD | +2.5% | −0.2% | +12.3% | +15.1% | −1.0% |
| 2025 | +4.2% | −0.1% | +17.7% | +20.8% | +7.2% |
| 2024 | +4.9% | −0.2% | +24.9% | +25.6% | +1.3% |
| 2023 | +4.7% | −0.3% | +26.2% | +54.9% | +5.7% |
Largest drop = deepest fall from a high within that calendar year.
Calendar-year return vs largest drop within the year
Most years include a sizable fall at some point even when the year ends higher.
OBIL risk statistics
| Statistic | 3 years | Since 2022 |
|---|---|---|
| Annualized return | +4.3% | +4.3% |
| Volatility (annualized) | 0.6% | 0.7% |
| Sharpe ratio | -0.21 | -0.41 |
| Sortino ratio | -0.28 | -0.53 |
| Best month | +0.7% | +0.7% |
| Worst month | +0.1% | −0.0% |
| Best 12 months | +5.8% | +5.8% |
| Worst 12 months | +3.0% | +3.0% |
| Positive months | 100% | 98% |
| Beta vs S&P 500 | 0.01 | — |
| Correlation with S&P 500 | 0.20 | — |
From monthly total returns. Sharpe and Sortino use 1–3 month T-bills (BIL) as the risk-free rate, so they need history from 2007 on.
OBIL rolling returns
| Holding period | Periods | Worst | Median | Best | Positive |
|---|---|---|---|---|---|
| 1-year | 36 | +3.0% | +4.5% | +5.8% | 100% |
| 3-year (a year) | 12 | +4.3% | +4.5% | +4.6% | 100% |
Every holding period starting at a month-end since 2022. Returns for 3 years and longer are annualized.
OBIL performance overview
US Treasury 12 Month Bill ETF (OBIL) returned +3.2% over the past year, with distributions reinvested. Since its first recorded price in 2022 it has returned +4.3% a year, turning $10,000 into about $11,792. Over the same year S&P 500 (SPY) returned +14.4%.
Related: OBIL chart, OBIL dividends. See the OBIL overview for the latest quote and fund facts.
OBIL performance FAQ
What is the OBIL return over the past year?
OBIL returned +3.2% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it fell 0.5%.
How much would $10,000 invested in OBIL be worth?
$10,000 invested in OBIL at its first recorded close on November 15, 2022 would be worth about $11,792 on October 23, 2026 with distributions reinvested.
What was the worst year for OBIL?
The worst calendar year was 2025, with a total return of +4.2%. The best was 2024 at +4.9%.
How volatile is OBIL?
Over the past 3 years OBIL had an annualized volatility of 0.6% and a Sharpe ratio of -0.21 (excess return over 1–3 month T-bills per unit of risk).