ABNFX vs. IUSB
Compare and contrast key facts about American Funds The Bond Fund of America® Class F-2 (ABNFX) and iShares Core Universal USD Bond ETF (IUSB).
ABNFX is managed by American Funds. It was launched on Aug 4, 2008. IUSB is a passively managed fund by iShares that tracks the performance of the Bloomberg U.S. Universal Index. It was launched on Jun 10, 2014.
Performance
ABNFX vs. IUSB - Performance Comparison
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ABNFX vs. IUSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ABNFX American Funds The Bond Fund of America® Class F-2 | -0.82% | 7.42% | 1.42% | 4.29% | -13.08% | -0.88% | 10.86% | 8.08% | 0.15% | 3.48% |
IUSB iShares Core Universal USD Bond ETF | -0.07% | 7.38% | 2.11% | 6.23% | -13.04% | -1.33% | 7.62% | 9.13% | -0.27% | 3.82% |
Returns By Period
In the year-to-date period, ABNFX achieves a -0.82% return, which is significantly lower than IUSB's -0.07% return. Over the past 10 years, ABNFX has underperformed IUSB with an annualized return of 1.93%, while IUSB has yielded a comparatively higher 2.06% annualized return.
ABNFX
- 1D
- 0.45%
- 1M
- -2.51%
- YTD
- -0.82%
- 6M
- 0.27%
- 1Y
- 3.61%
- 3Y*
- 3.09%
- 5Y*
- 0.00%
- 10Y*
- 1.93%
IUSB
- 1D
- 0.20%
- 1M
- -1.81%
- YTD
- -0.07%
- 6M
- 0.97%
- 1Y
- 4.55%
- 3Y*
- 4.07%
- 5Y*
- 0.53%
- 10Y*
- 2.06%
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ABNFX vs. IUSB - Expense Ratio Comparison
ABNFX has a 0.35% expense ratio, which is higher than IUSB's 0.06% expense ratio.
Return for Risk
ABNFX vs. IUSB — Risk / Return Rank
ABNFX
IUSB
ABNFX vs. IUSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds The Bond Fund of America® Class F-2 (ABNFX) and iShares Core Universal USD Bond ETF (IUSB). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| ABNFX | IUSB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.96 | 1.11 | -0.15 |
Sortino ratioReturn per unit of downside risk | 1.38 | 1.56 | -0.18 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.20 | -0.03 |
Calmar ratioReturn relative to maximum drawdown | 1.61 | 1.92 | -0.30 |
Martin ratioReturn relative to average drawdown | 4.66 | 5.96 | -1.30 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ABNFX | IUSB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.96 | 1.11 | -0.15 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.00 | 0.09 | -0.09 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.40 | 0.41 | -0.01 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.64 | 0.46 | +0.19 |
Correlation
The correlation between ABNFX and IUSB is 0.86, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
ABNFX vs. IUSB - Dividend Comparison
ABNFX's dividend yield for the trailing twelve months is around 4.02%, less than IUSB's 4.23% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ABNFX American Funds The Bond Fund of America® Class F-2 | 4.02% | 4.37% | 4.55% | 3.19% | 2.37% | 2.07% | 5.15% | 3.72% | 2.65% | 2.10% | 2.31% | 2.24% |
IUSB iShares Core Universal USD Bond ETF | 4.23% | 4.17% | 4.04% | 3.46% | 2.53% | 1.74% | 2.68% | 3.04% | 2.98% | 2.56% | 2.60% | 1.95% |
Drawdowns
ABNFX vs. IUSB - Drawdown Comparison
The maximum ABNFX drawdown since its inception was -17.69%, roughly equal to the maximum IUSB drawdown of -17.90%. Use the drawdown chart below to compare losses from any high point for ABNFX and IUSB.
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Drawdown Indicators
| ABNFX | IUSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.69% | -17.90% | +0.21% |
Max Drawdown (1Y)Largest decline over 1 year | -2.94% | -2.49% | -0.45% |
Max Drawdown (5Y)Largest decline over 5 years | -17.65% | -17.87% | +0.22% |
Max Drawdown (10Y)Largest decline over 10 years | -17.69% | -17.90% | +0.21% |
Current DrawdownCurrent decline from peak | -2.91% | -1.81% | -1.10% |
Average DrawdownAverage peak-to-trough decline | -3.30% | -3.62% | +0.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.02% | 0.80% | +0.22% |
Volatility
ABNFX vs. IUSB - Volatility Comparison
The current volatility for American Funds The Bond Fund of America® Class F-2 (ABNFX) is 1.51%, while iShares Core Universal USD Bond ETF (IUSB) has a volatility of 1.62%. This indicates that ABNFX experiences smaller price fluctuations and is considered to be less risky than IUSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ABNFX | IUSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.51% | 1.62% | -0.11% |
Volatility (6M)Calculated over the trailing 6-month period | 2.48% | 2.41% | +0.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.39% | 4.13% | +0.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.91% | 5.77% | +0.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.87% | 5.03% | -0.16% |