EUSB vs. IUSB
EUSB (iShares ESG Advanced Total USD Bond Market ETF) and IUSB (iShares Core Universal USD Bond ETF) are both Intermediate Core-Plus Bond funds from iShares - EUSB tracks the Bloomberg MSCI US Universal Choice ESG Screened Index while IUSB tracks the Bloomberg U.S. Universal Index. Both are passively managed. Over the past 5 years, EUSB returned 0.31%/yr vs 0.40%/yr for IUSB. Their correlation of 0.95 suggests significant overlap in exposure. EUSB charges 0.12%/yr vs 0.06%/yr for IUSB.
Performance
EUSB vs. IUSB - Performance Comparison
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Returns By Period
In the year-to-date period, EUSB achieves a 0.28% return, which is significantly lower than IUSB's 0.54% return.
EUSB
- 1D
- -0.18%
- 1M
- 0.64%
- YTD
- 0.28%
- 6M
- 0.49%
- 1Y
- 4.51%
- 3Y*
- 4.30%
- 5Y*
- 0.31%
- 10Y*
- —
IUSB
- 1D
- -0.28%
- 1M
- 0.57%
- YTD
- 0.54%
- 6M
- 0.62%
- 1Y
- 4.82%
- 3Y*
- 4.47%
- 5Y*
- 0.40%
- 10Y*
- 1.89%
EUSB vs. IUSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
EUSB iShares ESG Advanced Total USD Bond Market ETF | 0.28% | 7.45% | 1.83% | 5.80% | -12.81% | -1.29% | 1.47% |
IUSB iShares Core Universal USD Bond ETF | 0.54% | 7.38% | 2.11% | 6.23% | -13.04% | -1.33% | 2.37% |
Correlation
The correlation between EUSB and IUSB is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.97 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Jun 25, 2020 | 0.95 |
The correlation between EUSB and IUSB has been stable across timeframes, ranging from 0.94 to 0.97 - a consistent structural relationship.
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Return for Risk
EUSB vs. IUSB — Risk / Return Rank
EUSB
IUSB
EUSB vs. IUSB - 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 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| EUSB | IUSB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.06 | ||
| Sortino ratioReturn per unit of downside risk | -0.07 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.24 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.83 | 1.92 | -0.09 |
| Martin ratioReturn relative to average drawdown | 5.20 | 5.54 | -0.33 |
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Drawdowns
EUSB vs. IUSB - Drawdown Comparison
The maximum EUSB drawdown since its inception was -17.87%, roughly equal to the maximum IUSB drawdown of -17.90%. Use the drawdown chart below to compare losses from any high point for EUSB and IUSB.
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Drawdown Indicators
| EUSB | IUSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.87% | -17.90% | +0.03% |
Max Drawdown (1Y)Largest decline over 1 year | -2.48% | -2.53% | +0.05% |
Max Drawdown (3Y)Largest decline over 3 years | -5.76% | -5.82% | +0.06% |
Max Drawdown (5Y)Largest decline over 5 years | -17.45% | -17.87% | +0.42% |
Max Drawdown (10Y)Largest decline over 10 years | — | -17.90% | — |
Current DrawdownCurrent decline from peak | -1.22% | -1.22% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -6.45% | -3.58% | -2.87% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.87% | 0.87% | 0.00% |
Volatility
EUSB vs. IUSB - Volatility Comparison
The current volatility for iShares ESG Advanced Total USD Bond Market ETF (EUSB) is 0.99%, while iShares Core Universal USD Bond ETF (IUSB) has a volatility of 1.08%. This indicates that EUSB 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
| EUSB | IUSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.99% | 1.08% | -0.09% |
Volatility (6M)Calculated over the trailing 6-month period | 2.58% | 2.73% | -0.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.50% | 3.59% | -0.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.78% | 5.80% | -0.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.40% | 5.05% | +0.35% |
EUSB vs. IUSB - Expense Ratio Comparison
EUSB has a 0.12% 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%.
Dividends
EUSB vs. IUSB - Dividend Comparison
EUSB's dividend yield for the trailing twelve months is around 3.96%, less than IUSB's 4.23% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
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% |
Frequently Asked Questions
With a correlation of 0.97, EUSB and IUSB move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
IUSB has higher volatility (1.08%) compared to EUSB (0.99%). In terms of maximum drawdown, EUSB dropped -17.87% vs IUSB's -17.90%.
On 5-year performance, IUSB leads with 0.40% vs 0.31% for EUSB. On fees, IUSB is cheaper at 0.06% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, IUSB has performed better with a 0.40% return vs 0.31%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IUSB is cheaper with a 0.06% expense ratio, compared with 0.12% for EUSB.
IUSB has the higher dividend yield at 4.23%, compared with 3.96% for EUSB.
EUSB tracks Bloomberg MSCI US Universal Choice ESG Screened Index, while IUSB tracks Bloomberg U.S. Universal Index. Their fees differ too: 0.12% for EUSB and 0.06% for IUSB.
IUSB currently has the higher Sharpe Ratio (1.35 vs 1.29), 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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