BNDP vs. IUSB
BNDP (Vanguard Core-Plus Bond Index ETF) and IUSB (iShares Core Universal USD Bond ETF) are both Intermediate Core-Plus Bond funds - BNDP tracks the Bloomberg U.S. Universal Float Adjusted Index while IUSB tracks the Bloomberg U.S. Universal Index. Both are passively managed. With a 0.97 correlation, they move nearly in lockstep. BNDP charges 0.05%/yr vs 0.06%/yr for IUSB.
Performance
BNDP vs. IUSB - Performance Comparison
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Returns By Period
In the year-to-date period, BNDP achieves a 0.52% return, which is significantly lower than IUSB's 0.67% return.
BNDP
- 1D
- 0.10%
- 1M
- 0.84%
- YTD
- 0.52%
- 6M
- 0.65%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IUSB
- 1D
- 0.13%
- 1M
- 0.70%
- YTD
- 0.67%
- 6M
- 0.76%
- 1Y
- 4.68%
- 3Y*
- 4.52%
- 5Y*
- 0.42%
- 10Y*
- 1.90%
BNDP vs. IUSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BNDP Vanguard Core-Plus Bond Index ETF | 0.52% | 0.08% |
IUSB iShares Core Universal USD Bond ETF | 0.67% | -0.12% |
Correlation
The correlation between BNDP 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 (All Time) Calculated using the full available price history since Dec 4, 2025 | 0.97 |
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Return for Risk
BNDP vs. IUSB — Risk / Return Rank
BNDP
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
IUSB
BNDP vs. IUSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Core-Plus Bond Index ETF (BNDP) 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.
| BNDP | IUSB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.23 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 1.86 | — |
| Martin ratioReturn relative to average drawdown | — | 5.36 | — |
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Drawdowns
BNDP vs. IUSB - Drawdown Comparison
The maximum BNDP drawdown since its inception was -2.60%, smaller than the maximum IUSB drawdown of -17.90%. Use the drawdown chart below to compare losses from any high point for BNDP and IUSB.
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Drawdown Indicators
| BNDP | IUSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.60% | -17.90% | +15.30% |
Max Drawdown (1Y)Largest decline over 1 year | — | -2.53% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -5.82% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -17.87% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -17.90% | — |
Current DrawdownCurrent decline from peak | -1.13% | -1.09% | -0.04% |
Average DrawdownAverage peak-to-trough decline | -0.89% | -3.58% | +2.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.88% | — |
Volatility
BNDP vs. IUSB - Volatility Comparison
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Volatility by Period
| BNDP | IUSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 1.08% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 2.72% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 3.70% | 3.58% | +0.12% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.70% | 5.80% | -2.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.70% | 5.04% | -1.34% |
BNDP vs. IUSB - Expense Ratio Comparison
BNDP has a 0.05% expense ratio, which is lower than IUSB's 0.06% 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
BNDP vs. IUSB - Dividend Comparison
BNDP's dividend yield for the trailing twelve months is around 2.07%, less than IUSB's 4.22% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BNDP Vanguard Core-Plus Bond Index ETF | 2.07% | 0.24% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IUSB iShares Core Universal USD Bond ETF | 4.22% | 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, BNDP 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.
On fees, BNDP is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
BNDP is cheaper with a 0.05% expense ratio, compared with 0.06% for IUSB.
IUSB has the higher dividend yield at 4.22%, compared with 2.07% for BNDP.
BNDP tracks Bloomberg U.S. Universal Float Adjusted Index, while IUSB tracks Bloomberg U.S. Universal Index. They also come from different issuers: Vanguard and iShares. Their fees differ too: 0.05% for BNDP and 0.06% for IUSB.
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