EUSB vs. BYLD
EUSB (iShares ESG Advanced Total USD Bond Market ETF) and BYLD (iShares Yield Optimized Bond ETF) are both Intermediate Core-Plus Bond funds from iShares - EUSB tracks the Bloomberg MSCI US Universal Choice ESG Screened Index while BYLD tracks the Morningstar U.S. Bond Market Yield-Optimized Index. Both are passively managed. Over the past 5 years, EUSB returned 0.44%/yr vs 2.32%/yr for BYLD. Their correlation of 0.82 suggests significant overlap in exposure. EUSB charges 0.12%/yr vs 0.17%/yr for BYLD.
Performance
EUSB vs. BYLD - Performance Comparison
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Returns By Period
In the year-to-date period, EUSB achieves a 0.33% return, which is significantly lower than BYLD's 1.41% return.
EUSB
- 1D
- -0.02%
- 1M
- 0.15%
- YTD
- 0.33%
- 6M
- 0.53%
- 1Y
- 4.99%
- 3Y*
- 4.34%
- 5Y*
- 0.44%
- 10Y*
- —
BYLD
- 1D
- 0.08%
- 1M
- 0.49%
- YTD
- 1.41%
- 6M
- 1.62%
- 1Y
- 7.32%
- 3Y*
- 6.56%
- 5Y*
- 2.32%
- 10Y*
- 3.03%
EUSB vs. BYLD - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
EUSB iShares ESG Advanced Total USD Bond Market ETF | 0.33% | 7.45% | 1.83% | 5.80% | -12.81% | -1.29% | 1.68% |
BYLD iShares Yield Optimized Bond ETF | 1.41% | 8.41% | 4.17% | 8.30% | -10.33% | -1.25% | 2.97% |
Correlation
The correlation between EUSB and BYLD is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.79 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.83 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.83 |
Correlation (All Time) Calculated using the full available price history since Jun 26, 2020 | 0.82 |
The correlation between EUSB and BYLD has been stable across timeframes, ranging from 0.79 to 0.83 - a consistent structural relationship.
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Return for Risk
EUSB vs. BYLD — Risk / Return Rank
EUSB
BYLD
EUSB vs. BYLD - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares ESG Advanced Total USD Bond Market ETF (EUSB) and iShares Yield Optimized Bond ETF (BYLD). 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.
| EUSB | BYLD | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.41 | 1.93 | -0.52 |
Sortino ratioReturn per unit of downside risk | 2.11 | 2.88 | -0.77 |
Omega ratioGain probability vs. loss probability | 1.25 | 1.36 | -0.12 |
Calmar ratioReturn relative to maximum drawdown | 1.99 | 2.64 | -0.64 |
Martin ratioReturn relative to average drawdown | 6.02 | 10.73 | -4.71 |
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
| EUSB | BYLD | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.41 | 1.93 | -0.52 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.08 | 0.45 | -0.37 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.56 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.05 | 0.57 | -0.52 |
Drawdowns
EUSB vs. BYLD - Drawdown Comparison
The maximum EUSB drawdown since its inception was -17.87%, which is greater than BYLD's maximum drawdown of -14.75%. Use the drawdown chart below to compare losses from any high point for EUSB and BYLD.
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Drawdown Indicators
| EUSB | BYLD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.87% | -14.75% | -3.12% |
Max Drawdown (1Y)Largest decline over 1 year | -2.48% | -2.71% | +0.23% |
Max Drawdown (3Y)Largest decline over 3 years | -5.76% | -3.94% | -1.82% |
Max Drawdown (5Y)Largest decline over 5 years | -17.45% | -14.65% | -2.80% |
Max Drawdown (10Y)Largest decline over 10 years | — | -14.75% | — |
Current DrawdownCurrent decline from peak | -1.17% | -0.16% | -1.01% |
Average DrawdownAverage peak-to-trough decline | -6.50% | -2.51% | -3.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.82% | 0.67% | +0.15% |
Volatility
EUSB vs. BYLD - Volatility Comparison
The current volatility for iShares ESG Advanced Total USD Bond Market ETF (EUSB) is 1.20%, while iShares Yield Optimized Bond ETF (BYLD) has a volatility of 1.44%. This indicates that EUSB experiences smaller price fluctuations and is considered to be less risky than BYLD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| EUSB | BYLD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.20% | 1.44% | -0.24% |
Volatility (6M)Calculated over the trailing 6-month period | 2.50% | 2.96% | -0.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.57% | 3.82% | -0.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.77% | 5.20% | +0.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.42% | 5.43% | -0.01% |
EUSB vs. BYLD - Expense Ratio Comparison
EUSB has a 0.12% expense ratio, which is lower than BYLD's 0.17% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
EUSB vs. BYLD - Dividend Comparison
EUSB's dividend yield for the trailing twelve months is around 3.96%, less than BYLD's 5.80% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BYLD iShares Yield Optimized Bond ETF | 5.35% | 5.32% | 5.31% | 4.45% | 3.39% | 2.18% | 3.41% | 3.67% | 4.22% | 3.22% | 3.14% | 3.37% |
EUSB iShares ESG Advanced Total USD Bond Market ETF | 3.96% | 3.84% | 3.67% | 3.08% | 2.21% | 1.10% | 0.57% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
EUSB and BYLD have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BYLD has higher volatility (1.44%) compared to EUSB (1.20%). In terms of maximum drawdown, EUSB dropped -17.87% vs BYLD's -14.75%.
On 5-year performance, BYLD leads with 2.32% vs 0.44% for EUSB. On fees, EUSB is cheaper at 0.12% per year. On volatility, EUSB has been the lower-risk option at 1.20%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, BYLD has performed better with a 2.32% return vs 0.44%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
EUSB is cheaper with a 0.12% expense ratio, compared with 0.17% for BYLD.
BYLD has the higher dividend yield at 5.80%, compared with 3.96% for EUSB.
EUSB tracks Bloomberg MSCI US Universal Choice ESG Screened Index, while BYLD tracks Morningstar U.S. Bond Market Yield-Optimized Index. Their fees differ too: 0.12% for EUSB and 0.17% for BYLD.
BYLD currently has the higher Sharpe Ratio (1.93 vs 1.41), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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