iShares iBonds Dec 2033 Term Treasury ETF (IBTO) Performance
IBTO total return
Distributions reinvested · as of Oct 23, 2026- YTD
- −1.9% since Dec 31, 2025
- 1 year
- −2.2% total return
- 3 years
- +4.6% a year
- Since first price
- +2.1% a year since 2023
IBTO trailing returns vs AGG, TLT, SPY
| Period | IBTO total return | Price only | U.S. bonds (AGG) | 20+ yr Treasuries (TLT) | S&P 500 (SPY) |
|---|---|---|---|---|---|
| 1 month | +1.3% | +1.0% | +0.9% | +1.5% | −1.0% |
| 3 months | −0.7% | −1.7% | −0.4% | −1.0% | +3.2% |
| 6 months | −2.1% | −4.1% | −1.5% | −3.8% | +7.8% |
| YTD | −1.9% | −4.9% | −1.0% | −3.4% | +12.3% |
| 1 year | −2.2% | −6.1% | −1.1% | −6.9% | +14.4% |
| 3 years | +14.4%+4.6%/yr | +1.2% | +16.6%+5.2%/yr | +9.7%+3.1%/yr | +87.4%+23.3%/yr |
| Since inceptionJun 29, 2023 | +7.0%+2.1%/yr | −6.0% | — | — | — |
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: IBTO vs AGG
From Jun 29, 2023: IBTO grew to $10,701, AGG to $11,138.
Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.
IBTO returns by calendar year
1 of 2 full years positive. Best 2025 (+8.2%), worst 2024 (−0.9%). 2026 is year to date.
IBTO annual returns table
| Year | IBTO | Largest drop | AGG | TLT | SPY |
|---|---|---|---|---|---|
| 2026YTD | −1.9% | −5.8% | −1.0% | −3.4% | +12.3% |
| 2025 | +8.2% | −3.1% | +7.2% | +4.3% | +17.7% |
| 2024 | −0.9% | −6.0% | +1.3% | −8.1% | +24.9% |
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.
IBTO largest drawdowns
Now 4.0% below the high| Peak | Decline | Bottom | Recovered | Fall | Underwater |
|---|---|---|---|---|---|
| Jul 19, 2023 | −8.4% | Oct 19, 2023 | Dec 14, 2023 | 3 months | 5 months |
| Sep 16, 2024 | −6.9% | Jan 13, 2025 | Aug 1, 2025 | 4 months | 10 months |
| Feb 27, 2026 | −5.8% | Oct 5, 2026 | not yet | 7 months | 8 months so far |
| Dec 27, 2023 | −5.5% | Apr 25, 2024 | Jul 31, 2024 | 4 months | 7 months |
Declines from a closing high (distributions reinvested) of 5% or more. Underwater = time from the peak until the old high was regained.
IBTO risk statistics
| Statistic | 3 years | Since 2023 |
|---|---|---|
| Annualized return | +3.3% | +1.5% |
| Volatility (annualized) | 6.6% | 6.7% |
| Sharpe ratio | -0.14 | -0.41 |
| Sortino ratio | -0.19 | -0.53 |
| Best month | +4.6% | +4.6% |
| Worst month | −3.3% | −3.3% |
| Best 12 months | +10.8% | +10.8% |
| Worst 12 months | −2.8% | −2.8% |
| Positive months | 58% | 54% |
| Beta vs S&P 500 | 0.22 | — |
| Correlation with S&P 500 | 0.40 | — |
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.
IBTO rolling returns
| Holding period | Periods | Worst | Median | Best | Positive |
|---|---|---|---|---|---|
| 1-year | 29 | −2.8% | +4.1% | +10.8% | 83% |
| 3-year (a year) | 5 | +2.7% | +3.1% | +4.7% | 100% |
Every holding period starting at a month-end since 2023. Returns for 3 years and longer are annualized.
IBTO performance overview
iShares iBonds Dec 2033 Term Treasury ETF (IBTO) returned −2.2% over the past year, with distributions reinvested. Since its first recorded price in 2023 it has returned +2.1% a year, turning $10,000 into about $10,701. Over the same year U.S. bonds (AGG) returned −1.1%.
The deepest decline was −8.4%, from Jul 19, 2023 to Oct 19, 2023, and it took 56 days to get back to the old high. Volatility has been 6.7% a year.
Related: IBTO chart, IBTO dividends, IBTO bond profile. See the IBTO overview for the latest quote and fund facts.
IBTO performance FAQ
What is the IBTO return over the past year?
IBTO returned −2.2% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it fell 6.1%.
How much would $10,000 invested in IBTO be worth?
$10,000 invested in IBTO at its first recorded close on June 29, 2023 would be worth about $10,701 on October 23, 2026 with distributions reinvested.
What was the worst year for IBTO?
The worst calendar year was 2024, with a total return of −0.9%. The best was 2025 at +8.2%.
What is the biggest drawdown of IBTO?
The largest peak-to-trough decline was −8.4% between July 19, 2023 and October 19, 2023. It recovered to the old high on December 14, 2023, 56 days after the bottom.
How volatile is IBTO?
Over the past 3 years IBTO had an annualized volatility of 6.6% and a Sharpe ratio of -0.14 (excess return over 1–3 month T-bills per unit of risk).