BYLD vs. IUSB
Compare and contrast key facts about iShares Yield Optimized Bond ETF (BYLD) and iShares Core Universal USD Bond ETF (IUSB).
BYLD and IUSB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BYLD is a passively managed fund by iShares that tracks the performance of the Morningstar U.S. Bond Market Yield-Optimized Index. It was launched on Apr 22, 2014. 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. Both BYLD and IUSB are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
BYLD vs. IUSB - Performance Comparison
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BYLD vs. IUSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BYLD iShares Yield Optimized Bond ETF | -0.20% | 8.41% | 4.17% | 8.30% | -10.33% | -1.25% | 4.25% | 12.79% | -1.50% | 4.75% |
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, BYLD achieves a -0.20% return, which is significantly lower than IUSB's -0.07% return. Over the past 10 years, BYLD has outperformed IUSB with an annualized return of 3.00%, while IUSB has yielded a comparatively lower 2.06% annualized return.
BYLD
- 1D
- 0.54%
- 1M
- -1.76%
- YTD
- -0.20%
- 6M
- 0.93%
- 1Y
- 5.97%
- 3Y*
- 6.04%
- 5Y*
- 2.16%
- 10Y*
- 3.00%
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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BYLD vs. IUSB - Expense Ratio Comparison
BYLD has a 0.17% expense ratio, which is higher than IUSB's 0.06% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
BYLD vs. IUSB — Risk / Return Rank
BYLD
IUSB
BYLD vs. IUSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Yield Optimized Bond ETF (BYLD) 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.
| BYLD | IUSB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.30 | 1.11 | +0.19 |
Sortino ratioReturn per unit of downside risk | 1.83 | 1.56 | +0.27 |
Omega ratioGain probability vs. loss probability | 1.26 | 1.20 | +0.06 |
Calmar ratioReturn relative to maximum drawdown | 2.22 | 1.92 | +0.30 |
Martin ratioReturn relative to average drawdown | 8.14 | 5.96 | +2.18 |
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
| BYLD | IUSB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.30 | 1.11 | +0.19 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.42 | 0.09 | +0.33 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.56 | 0.41 | +0.14 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.55 | 0.46 | +0.10 |
Correlation
The correlation between BYLD and IUSB is 0.69, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
BYLD vs. IUSB - Dividend Comparison
BYLD's dividend yield for the trailing twelve months is around 5.36%, more than IUSB's 4.23% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BYLD iShares Yield Optimized Bond ETF | 5.36% | 5.32% | 5.31% | 4.45% | 3.39% | 2.18% | 3.41% | 3.67% | 4.22% | 3.22% | 3.14% | 3.37% |
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
BYLD vs. IUSB - Drawdown Comparison
The maximum BYLD drawdown since its inception was -14.75%, smaller than the maximum IUSB drawdown of -17.90%. Use the drawdown chart below to compare losses from any high point for BYLD and IUSB.
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Drawdown Indicators
| BYLD | IUSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.75% | -17.90% | +3.15% |
Max Drawdown (1Y)Largest decline over 1 year | -2.72% | -2.49% | -0.23% |
Max Drawdown (5Y)Largest decline over 5 years | -14.65% | -17.87% | +3.22% |
Max Drawdown (10Y)Largest decline over 10 years | -14.75% | -17.90% | +3.15% |
Current DrawdownCurrent decline from peak | -1.76% | -1.81% | +0.05% |
Average DrawdownAverage peak-to-trough decline | -2.54% | -3.62% | +1.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.74% | 0.80% | -0.06% |
Volatility
BYLD vs. IUSB - Volatility Comparison
iShares Yield Optimized Bond ETF (BYLD) has a higher volatility of 1.98% compared to iShares Core Universal USD Bond ETF (IUSB) at 1.62%. This indicates that BYLD's price experiences larger fluctuations and is considered to be riskier 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
| BYLD | IUSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.98% | 1.62% | +0.36% |
Volatility (6M)Calculated over the trailing 6-month period | 2.70% | 2.41% | +0.29% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.60% | 4.13% | +0.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.16% | 5.77% | -0.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.43% | 5.03% | +0.40% |