BBN vs. MUB
Compare and contrast key facts about BlackRock Taxable Municipal Bond Trust (BBN) and iShares National AMT-Free Muni Bond ETF (MUB).
BBN is an actively managed fund by BlackRock. It was launched on Aug 27, 2010. MUB is a passively managed fund by iShares that tracks the performance of the S&P National AMT-Free Municipal Bond Index. It was launched on Sep 7, 2007.
Performance
BBN vs. MUB - Performance Comparison
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BBN vs. MUB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BBN BlackRock Taxable Municipal Bond Trust | 0.89% | 8.59% | 6.01% | 3.55% | -31.02% | 2.68% | 16.95% | 22.78% | -2.86% | 15.03% |
MUB iShares National AMT-Free Muni Bond ETF | 0.04% | 3.78% | 1.26% | 5.56% | -7.34% | 1.02% | 5.12% | 7.06% | 0.93% | 4.72% |
Returns By Period
In the year-to-date period, BBN achieves a 0.89% return, which is significantly higher than MUB's 0.04% return. Over the past 10 years, BBN has outperformed MUB with an annualized return of 3.09%, while MUB has yielded a comparatively lower 2.00% annualized return.
BBN
- 1D
- 3.06%
- 1M
- -2.75%
- YTD
- 0.89%
- 6M
- 0.95%
- 1Y
- 4.10%
- 3Y*
- 3.56%
- 5Y*
- -1.68%
- 10Y*
- 3.09%
MUB
- 1D
- 0.42%
- 1M
- -1.55%
- YTD
- 0.04%
- 6M
- 1.52%
- 1Y
- 4.03%
- 3Y*
- 2.67%
- 5Y*
- 0.88%
- 10Y*
- 2.00%
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BBN vs. MUB - Expense Ratio Comparison
BBN has a 2.32% expense ratio, which is higher than MUB's 0.07% expense ratio.
Return for Risk
BBN vs. MUB — Risk / Return Rank
BBN
MUB
BBN vs. MUB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Taxable Municipal Bond Trust (BBN) and iShares National AMT-Free Muni Bond ETF (MUB). 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.
| BBN | MUB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.39 | 0.98 | -0.59 |
Sortino ratioReturn per unit of downside risk | 0.60 | 1.27 | -0.67 |
Omega ratioGain probability vs. loss probability | 1.08 | 1.21 | -0.14 |
Calmar ratioReturn relative to maximum drawdown | 0.63 | 1.33 | -0.69 |
Martin ratioReturn relative to average drawdown | 1.38 | 4.22 | -2.84 |
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
| BBN | MUB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.39 | 0.98 | -0.59 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.11 | 0.22 | -0.33 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.20 | 0.41 | -0.20 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.40 | 0.58 | -0.17 |
Correlation
The correlation between BBN and MUB is 0.37, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
BBN vs. MUB - Dividend Comparison
BBN's dividend yield for the trailing twelve months is around 7.18%, more than MUB's 3.19% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BBN BlackRock Taxable Municipal Bond Trust | 7.18% | 7.01% | 6.92% | 7.16% | 7.91% | 5.45% | 5.05% | 5.66% | 7.09% | 6.82% | 7.32% | 7.54% |
MUB iShares National AMT-Free Muni Bond ETF | 3.19% | 3.14% | 3.01% | 2.65% | 2.11% | 1.81% | 2.11% | 2.42% | 2.46% | 2.26% | 2.21% | 2.51% |
Drawdowns
BBN vs. MUB - Drawdown Comparison
The maximum BBN drawdown since its inception was -38.37%, which is greater than MUB's maximum drawdown of -13.68%. Use the drawdown chart below to compare losses from any high point for BBN and MUB.
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Drawdown Indicators
| BBN | MUB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.37% | -13.68% | -24.69% |
Max Drawdown (1Y)Largest decline over 1 year | -7.55% | -3.30% | -4.25% |
Max Drawdown (5Y)Largest decline over 5 years | -38.37% | -11.88% | -26.49% |
Max Drawdown (10Y)Largest decline over 10 years | -38.37% | -13.68% | -24.69% |
Current DrawdownCurrent decline from peak | -18.37% | -1.87% | -16.50% |
Average DrawdownAverage peak-to-trough decline | -10.22% | -2.24% | -7.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.47% | 1.04% | +2.43% |
Volatility
BBN vs. MUB - Volatility Comparison
BlackRock Taxable Municipal Bond Trust (BBN) has a higher volatility of 4.16% compared to iShares National AMT-Free Muni Bond ETF (MUB) at 1.56%. This indicates that BBN's price experiences larger fluctuations and is considered to be riskier than MUB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BBN | MUB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.16% | 1.56% | +2.60% |
Volatility (6M)Calculated over the trailing 6-month period | 6.96% | 2.07% | +4.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 10.57% | 4.15% | +6.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.54% | 4.04% | +11.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.14% | 4.91% | +10.23% |