DUSB vs. IBMO
DUSB (Dimensional Ultrashort Fixed Income ETF) and IBMO (iShares iBonds Dec 2026 Term Muni Bond ETF) are both exchange-traded funds - DUSB is a Ultrashort Bond fund actively managed by Dimensional, while IBMO is a Municipal Bonds fund tracking the S&P AMT-Free Municipal Series Callable-Adjusted Dec 2026 Index. DUSB is actively managed, while IBMO is passively managed. Over the past year, DUSB returned 4.15% vs 2.50% for IBMO. At a correlation of -0.03, they often move in opposite directions. DUSB charges 0.15%/yr vs 0.18%/yr for IBMO.
Performance
DUSB vs. IBMO - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, DUSB achieves a 1.81% return, which is significantly higher than IBMO's 0.97% return.
DUSB
- 1D
- 0.04%
- 1M
- 0.20%
- YTD
- 1.81%
- 6M
- 1.87%
- 1Y
- 4.15%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IBMO
- 1D
- -0.06%
- 1M
- 0.13%
- YTD
- 0.97%
- 6M
- 0.76%
- 1Y
- 2.50%
- 3Y*
- 2.78%
- 5Y*
- 0.71%
- 10Y*
- —
DUSB vs. IBMO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
DUSB Dimensional Ultrashort Fixed Income ETF | 1.81% | 4.53% | 5.60% | 1.79% |
IBMO iShares iBonds Dec 2026 Term Muni Bond ETF | 0.97% | 3.11% | 1.97% | 3.40% |
Correlation
The correlation between DUSB and IBMO is -0.12, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.12 |
Correlation (All Time) Calculated using the full available price history since Sep 27, 2023 | -0.03 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
DUSB vs. IBMO — Risk / Return Rank
DUSB
IBMO
DUSB vs. IBMO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Dimensional Ultrashort Fixed Income ETF (DUSB) and iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO). 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.
| DUSB | IBMO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +7.01 | ||
| Sortino ratioReturn per unit of downside risk | +17.45 | ||
| Omega ratioGain probability vs. loss probability | 4.51 | 1.46 | +3.05 |
| Calmar ratioReturn relative to maximum drawdown | 42.43 | 6.63 | +35.80 |
| Martin ratioReturn relative to average drawdown | 241.39 | 19.69 | +221.70 |
Loading charts...
Drawdowns
DUSB vs. IBMO - Drawdown Comparison
The maximum DUSB drawdown since its inception was -0.29%, smaller than the maximum IBMO drawdown of -14.77%. Use the drawdown chart below to compare losses from any high point for DUSB and IBMO.
Loading charts...
Drawdown Indicators
| DUSB | IBMO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.29% | -14.77% | +14.48% |
Max Drawdown (1Y)Largest decline over 1 year | -0.10% | -0.38% | +0.28% |
Max Drawdown (3Y)Largest decline over 3 years | — | -1.76% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -8.86% | — |
Current DrawdownCurrent decline from peak | -0.03% | -0.06% | +0.03% |
Average DrawdownAverage peak-to-trough decline | -0.01% | -2.31% | +2.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.02% | 0.13% | -0.11% |
Volatility
DUSB vs. IBMO - Volatility Comparison
The current volatility for Dimensional Ultrashort Fixed Income ETF (DUSB) is 0.19%, while iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) has a volatility of 0.22%. This indicates that DUSB experiences smaller price fluctuations and is considered to be less risky than IBMO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| DUSB | IBMO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.19% | 0.22% | -0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 0.33% | 0.78% | -0.45% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.45% | 1.10% | -0.65% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.52% | 2.14% | -1.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.52% | 4.50% | -3.98% |
DUSB vs. IBMO - Expense Ratio Comparison
DUSB has a 0.15% expense ratio, which is lower than IBMO's 0.18% 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
DUSB vs. IBMO - Dividend Comparison
DUSB's dividend yield for the trailing twelve months is around 4.05%, more than IBMO's 2.39% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
DUSB Dimensional Ultrashort Fixed Income ETF | 4.05% | 4.32% | 4.92% | 1.23% | 0.00% | 0.00% | 0.00% | 0.00% |
IBMO iShares iBonds Dec 2026 Term Muni Bond ETF | 2.39% | 2.37% | 2.15% | 1.65% | 0.89% | 0.62% | 1.03% | 1.01% |
Frequently Asked Questions
DUSB and IBMO have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBMO has higher volatility (0.22%) compared to DUSB (0.19%). In terms of maximum drawdown, DUSB dropped -0.29% vs IBMO's -14.77%.
On 1-year performance, DUSB leads with 4.15% vs 2.50% for IBMO. On fees, DUSB is cheaper at 0.15% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, DUSB has performed better with a 4.15% return vs 2.50%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
DUSB is cheaper with a 0.15% expense ratio, compared with 0.18% for IBMO.
DUSB has the higher dividend yield at 4.05%, compared with 2.39% for IBMO.
DUSB is categorized as Ultrashort Bond, while IBMO is Municipal Bonds. They also come from different issuers: Dimensional and iShares. Their fees differ too: 0.15% for DUSB and 0.18% for IBMO.
DUSB currently has the higher Sharpe Ratio (9.29 vs 2.28), 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.
Find the right allocation for DUSB and IBMO
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer