BYLD vs. EUSB
BYLD (iShares Yield Optimized Bond ETF) and EUSB (iShares ESG Advanced Total USD Bond Market ETF) are both Intermediate Core-Plus Bond funds from iShares - BYLD tracks the Morningstar U.S. Bond Market Yield-Optimized Index while EUSB tracks the Bloomberg MSCI US Universal Choice ESG Screened Index. Both are passively managed. Over the past 5 years, BYLD returned 2.32%/yr vs 0.44%/yr for EUSB. Their correlation of 0.82 suggests significant overlap in exposure. BYLD charges 0.17%/yr vs 0.12%/yr for EUSB.
Performance
BYLD vs. EUSB - Performance Comparison
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Returns By Period
In the year-to-date period, BYLD achieves a 1.41% return, which is significantly higher than EUSB's 0.33% return.
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
- 1D
- -0.02%
- 1M
- 0.15%
- YTD
- 0.33%
- 6M
- 0.53%
- 1Y
- 4.99%
- 3Y*
- 4.34%
- 5Y*
- 0.44%
- 10Y*
- —
BYLD vs. EUSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
BYLD iShares Yield Optimized Bond ETF | 1.41% | 8.41% | 4.17% | 8.30% | -10.33% | -1.25% | 2.97% |
EUSB iShares ESG Advanced Total USD Bond Market ETF | 0.33% | 7.45% | 1.83% | 5.80% | -12.81% | -1.29% | 1.68% |
Correlation
The correlation between BYLD and EUSB 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 BYLD and EUSB has been stable across timeframes, ranging from 0.79 to 0.83 - a consistent structural relationship.
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Return for Risk
BYLD vs. EUSB — Risk / Return Rank
BYLD
EUSB
BYLD vs. EUSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Yield Optimized Bond ETF (BYLD) and iShares ESG Advanced Total USD Bond Market ETF (EUSB). 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 | EUSB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.93 | 1.41 | +0.52 |
Sortino ratioReturn per unit of downside risk | 2.88 | 2.11 | +0.77 |
Omega ratioGain probability vs. loss probability | 1.36 | 1.25 | +0.12 |
Calmar ratioReturn relative to maximum drawdown | 2.64 | 1.99 | +0.64 |
Martin ratioReturn relative to average drawdown | 10.73 | 6.02 | +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
| BYLD | EUSB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.93 | 1.41 | +0.52 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.45 | 0.08 | +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 | 0.57 | 0.05 | +0.52 |
Drawdowns
BYLD vs. EUSB - Drawdown Comparison
The maximum BYLD drawdown since its inception was -14.75%, smaller than the maximum EUSB drawdown of -17.87%. Use the drawdown chart below to compare losses from any high point for BYLD and EUSB.
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Drawdown Indicators
| BYLD | EUSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.75% | -17.87% | +3.12% |
Max Drawdown (1Y)Largest decline over 1 year | -2.71% | -2.48% | -0.23% |
Max Drawdown (3Y)Largest decline over 3 years | -3.94% | -5.76% | +1.82% |
Max Drawdown (5Y)Largest decline over 5 years | -14.65% | -17.45% | +2.80% |
Max Drawdown (10Y)Largest decline over 10 years | -14.75% | — | — |
Current DrawdownCurrent decline from peak | -0.16% | -1.17% | +1.01% |
Average DrawdownAverage peak-to-trough decline | -2.51% | -6.50% | +3.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.67% | 0.82% | -0.15% |
Volatility
BYLD vs. EUSB - Volatility Comparison
iShares Yield Optimized Bond ETF (BYLD) has a higher volatility of 1.44% compared to iShares ESG Advanced Total USD Bond Market ETF (EUSB) at 1.20%. This indicates that BYLD's price experiences larger fluctuations and is considered to be riskier than EUSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BYLD | EUSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.44% | 1.20% | +0.24% |
Volatility (6M)Calculated over the trailing 6-month period | 2.96% | 2.50% | +0.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.82% | 3.57% | +0.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.20% | 5.77% | -0.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.43% | 5.42% | +0.01% |
BYLD vs. EUSB - Expense Ratio Comparison
BYLD has a 0.17% expense ratio, which is higher than EUSB's 0.12% 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%.
Dividends
BYLD vs. EUSB - Dividend Comparison
BYLD's dividend yield for the trailing twelve months is around 5.80%, more than EUSB's 3.96% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BYLD iShares Yield Optimized Bond ETF | 5.80% | 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
BYLD and EUSB 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, BYLD dropped -14.75% vs EUSB's -17.87%.
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.
BYLD tracks Morningstar U.S. Bond Market Yield-Optimized Index, while EUSB tracks Bloomberg MSCI US Universal Choice ESG Screened Index. Their fees differ too: 0.17% for BYLD and 0.12% for EUSB.
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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