iShares Core International Aggregate Bond ETF (IAGG) Performance
IAGG total return
Distributions reinvested · as of Oct 23, 2026- YTD
- +0.8% since Dec 31, 2025
- 1 year
- +0.4% total return
- 5 years
- +1.2% a year
- 10 years
- +2.0% a year
- Since first price
- +2.4% a year since 2015
IAGG trailing returns vs AGG, TLT, SPY
| Period | IAGG total return | Price only | U.S. bonds (AGG) | 20+ yr Treasuries (TLT) | S&P 500 (SPY) |
|---|---|---|---|---|---|
| 1 month | +0.8% | +0.1% | +0.9% | +1.5% | −1.0% |
| 3 months | −0.1% | −0.7% | −0.4% | −1.0% | +3.2% |
| 6 months | +0.3% | −1.2% | −1.5% | −3.8% | +7.8% |
| YTD | +0.8% | −1.3% | −1.0% | −3.4% | +12.3% |
| 1 year | +0.4% | −4.6% | −1.1% | −6.9% | +14.4% |
| 3 years | +15.5%+4.9%/yr | +1.6% | +16.6%+5.2%/yr | +9.7%+3.1%/yr | +87.4%+23.3%/yr |
| 5 years | +5.9%+1.2%/yr | −9.9% | −0.8%−0.2%/yr | −32.5%−7.6%/yr | +79.3%+12.4%/yr |
| 10 years | +21.4%+2.0%/yr | −7.1% | +14.0%+1.3%/yr | −18.7%−2.0%/yr | +315.9%+15.3%/yr |
| Since inceptionNov 12, 2015 | +29.2%+2.4%/yr | −1.8% | — | — | — |
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: IAGG vs AGG
From Nov 12, 2015: IAGG grew to $12,924, AGG to $12,043.
Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.
IAGG returns by calendar year
8 of 10 full years positive. Best 2023 (+8.5%), worst 2022 (−10.9%). 2026 is year to date.
IAGG annual returns table
| Year | IAGG | Largest drop | AGG | TLT | SPY |
|---|---|---|---|---|---|
| 2026YTD | +0.8% | −2.3% | −1.0% | −3.4% | +12.3% |
| 2025 | +3.3% | −1.7% | +7.2% | +4.3% | +17.7% |
| 2024 | +4.5% | −1.4% | +1.3% | −8.1% | +24.9% |
| 2023 | +8.5% | −2.5% | +5.7% | +2.8% | +26.2% |
| 2022 | −10.9% | −11.9% | −13.0% | −31.2% | −18.2% |
| 2021 | −1.9% | −2.9% | −1.8% | −4.6% | +28.7% |
| 2020 | +4.6% | −5.9% | +7.5% | +18.2% | +18.3% |
| 2019 | +8.0% | −2.1% | +8.5% | +14.1% | +31.2% |
| 2018 | +3.4% | −1.6% | +0.1% | −1.6% | −4.6% |
| 2017 | +2.1% | −2.9% | +3.6% | +9.2% | +21.7% |
| 2016 | +5.1% | −3.5% | +2.4% | +1.2% | +12.0% |
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.
IAGG largest drawdowns
Now 1.1% below the high| Peak | Decline | Bottom | Recovered | Fall | Underwater |
|---|---|---|---|---|---|
| Dec 31, 2020 | −13.9% | Oct 14, 2022 | Feb 4, 2025 | 1.8 years | 4.1 years |
| Mar 9, 2020 | −5.9% | Mar 18, 2020 | Jul 30, 2020 | 9 days | 5 months |
Declines from a closing high (distributions reinvested) of 5% or more. Underwater = time from the peak until the old high was regained.
IAGG risk statistics
| Statistic | 3 years | 5 years | 10 years | Since 2015 |
|---|---|---|---|---|
| Annualized return | +4.7% | +1.0% | +1.9% | +2.3% |
| Volatility (annualized) | 3.5% | 4.7% | 4.0% | 3.9% |
| Sharpe ratio | 0.07 | -0.55 | -0.09 | 0.07 |
| Sortino ratio | 0.12 | -0.70 | -0.12 | 0.10 |
| Best month | +3.1% | +3.1% | +3.1% | +3.1% |
| Worst month | −1.6% | −3.1% | −3.1% | −3.1% |
| Best 12 months | +10.0% | +10.0% | +11.7% | +11.7% |
| Worst 12 months | +1.1% | −11.2% | −11.2% | −11.2% |
| Positive months | 61% | 55% | 56% | 58% |
| Beta vs S&P 500 | 0.14 | 0.20 | 0.12 | — |
| Correlation with S&P 500 | 0.49 | 0.68 | 0.46 | — |
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.
IAGG rolling returns
| Holding period | Periods | Worst | Median | Best | Positive |
|---|---|---|---|---|---|
| 1-year | 120 | −11.2% | +2.6% | +11.7% | 76% |
| 3-year (a year) | 96 | −3.5% | +3.5% | +5.8% | 71% |
| 5-year (a year) | 72 | +0.1% | +0.9% | +4.6% | 100% |
| 10-year (a year) | 12 | +1.9% | +2.2% | +2.5% | 100% |
Every holding period starting at a month-end since 2015. Returns for 3 years and longer are annualized.
IAGG performance overview
iShares Core International Aggregate Bond ETF (IAGG) returned +0.4% over the past year and +2.0% a year over ten years, with distributions reinvested. Since its first recorded price in 2015 it has returned +2.4% a year, turning $10,000 into about $12,924. Over the same year U.S. bonds (AGG) returned −1.1%.
The deepest decline was −13.9%, from Dec 31, 2020 to Oct 14, 2022, and it took 2.3 years to get back to the old high. IAGG finished 8 of its 10 full calendar years with a gain; the best year was 2023 (+8.5%) and the worst 2022 (−10.9%). Volatility has been 3.9% a year.
Related: IAGG chart, IAGG dividends, IAGG bond profile. See the IAGG overview for the latest quote and fund facts.
IAGG performance FAQ
What is the IAGG return over the past year?
IAGG returned +0.4% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it fell 4.6%.
What is the average annual return of IAGG?
IAGG has returned +1.2% a year over 5 years, +2.0% a year over 10 years, +2.4% a year since November 12, 2015 (total return, distributions reinvested).
How much would $10,000 invested in IAGG be worth?
$10,000 invested in IAGG at its first recorded close on November 12, 2015 would be worth about $12,924 on October 23, 2026 with distributions reinvested.
What was the worst year for IAGG?
The worst calendar year was 2022, with a total return of −10.9%. The best was 2023 at +8.5%.
What is the biggest drawdown of IAGG?
The largest peak-to-trough decline was −13.9% between December 31, 2020 and October 14, 2022. It recovered to the old high on February 4, 2025, 2.3 years after the bottom.
How volatile is IAGG?
Over the past 3 years IAGG had an annualized volatility of 3.5% and a Sharpe ratio of 0.07 (excess return over 1–3 month T-bills per unit of risk).