IBMO vs. BSMS
IBMO (iShares iBonds Dec 2026 Term Muni Bond ETF) and BSMS (Invesco BulletShares 2028 Municipal Bond ETF) are both Municipal Bonds funds - IBMO tracks the S&P AMT-Free Municipal Series Callable-Adjusted Dec 2026 Index while BSMS tracks the Invesco BulletShares Municipal Bond 2028 Index. Both are passively managed. Over the past 5 years, IBMO returned 0.71%/yr vs 0.11%/yr for BSMS. A 0.50 correlation means they provide meaningful diversification when combined. Both charge a 0.18% expense ratio.
Performance
IBMO vs. BSMS - Performance Comparison
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Returns By Period
In the year-to-date period, IBMO achieves a 0.97% return, which is significantly lower than BSMS's 1.02% return.
IBMO
- 1D
- -0.06%
- 1M
- 0.13%
- YTD
- 0.97%
- 6M
- 0.76%
- 1Y
- 2.50%
- 3Y*
- 2.78%
- 5Y*
- 0.71%
- 10Y*
- —
BSMS
- 1D
- -0.08%
- 1M
- 0.58%
- YTD
- 1.02%
- 6M
- 1.10%
- 1Y
- 3.83%
- 3Y*
- 2.87%
- 5Y*
- 0.11%
- 10Y*
- —
IBMO vs. BSMS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
IBMO iShares iBonds Dec 2026 Term Muni Bond ETF | 0.97% | 3.11% | 1.97% | 2.90% | -5.36% | -0.16% | 5.48% | 0.53% |
BSMS Invesco BulletShares 2028 Municipal Bond ETF | 1.02% | 3.61% | 1.00% | 4.99% | -9.93% | 1.50% | 6.55% | 0.22% |
Correlation
The correlation between IBMO and BSMS is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.40 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.56 |
Correlation (All Time) Calculated using the full available price history since Sep 26, 2019 | 0.50 |
Over the past year, the correlation between IBMO and BSMS has dropped to 0.09 - well below their long-term average of 0.50, suggesting their price drivers have been diverging.
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Return for Risk
IBMO vs. BSMS — Risk / Return Rank
IBMO
BSMS
IBMO vs. BSMS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) and Invesco BulletShares 2028 Municipal Bond ETF (BSMS). 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.
| IBMO | BSMS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.26 | ||
| Sortino ratioReturn per unit of downside risk | -0.27 | ||
| Omega ratioGain probability vs. loss probability | 1.46 | 1.54 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 6.63 | 3.67 | +2.96 |
| Martin ratioReturn relative to average drawdown | 19.69 | 10.36 | +9.33 |
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Drawdowns
IBMO vs. BSMS - Drawdown Comparison
The maximum IBMO drawdown since its inception was -14.77%, roughly equal to the maximum BSMS drawdown of -14.95%. Use the drawdown chart below to compare losses from any high point for IBMO and BSMS.
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Drawdown Indicators
| IBMO | BSMS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.77% | -14.95% | +0.18% |
Max Drawdown (1Y)Largest decline over 1 year | -0.38% | -1.05% | +0.67% |
Max Drawdown (3Y)Largest decline over 3 years | -1.76% | -4.25% | +2.49% |
Max Drawdown (5Y)Largest decline over 5 years | -8.86% | -14.95% | +6.09% |
Current DrawdownCurrent decline from peak | -0.06% | -0.90% | +0.84% |
Average DrawdownAverage peak-to-trough decline | -2.31% | -4.93% | +2.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.13% | 0.37% | -0.24% |
Volatility
IBMO vs. BSMS - Volatility Comparison
The current volatility for iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) is 0.22%, while Invesco BulletShares 2028 Municipal Bond ETF (BSMS) has a volatility of 0.51%. This indicates that IBMO experiences smaller price fluctuations and is considered to be less risky than BSMS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBMO | BSMS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.22% | 0.51% | -0.29% |
Volatility (6M)Calculated over the trailing 6-month period | 0.78% | 1.01% | -0.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.10% | 1.52% | -0.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.14% | 3.59% | -1.45% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.50% | 6.18% | -1.68% |
IBMO vs. BSMS - Expense Ratio Comparison
Both IBMO and BSMS have an expense ratio of 0.18%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IBMO vs. BSMS - Dividend Comparison
IBMO's dividend yield for the trailing twelve months is around 2.39%, less than BSMS's 2.77% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
BSMS Invesco BulletShares 2028 Municipal Bond ETF | 2.77% | 2.79% | 2.81% | 2.58% | 1.56% | 1.49% | 1.61% | 0.46% |
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
IBMO and BSMS have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BSMS has higher volatility (0.51%) compared to IBMO (0.22%). In terms of maximum drawdown, IBMO dropped -14.77% vs BSMS's -14.95%.
On 5-year performance, IBMO leads with 0.71% vs 0.11% for BSMS. Both ETFs have the same 0.18% expense ratio. On volatility, IBMO has been the lower-risk option at 0.22%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, IBMO has performed better with a 0.71% return vs 0.11%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBMO and BSMS have the same expense ratio: 0.18% per year.
BSMS has the higher dividend yield at 2.77%, compared with 2.39% for IBMO.
IBMO tracks S&P AMT-Free Municipal Series Callable-Adjusted Dec 2026 Index, while BSMS tracks Invesco BulletShares Municipal Bond 2028 Index. They also come from different issuers: iShares and Invesco.
BSMS currently has the higher Sharpe Ratio (2.54 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.
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