BBN vs. WFSPX
Compare and contrast key facts about BlackRock Taxable Municipal Bond Trust (BBN) and iShares S&P 500 Index Fund (WFSPX).
BBN is an actively managed fund by BlackRock. It was launched on Aug 27, 2010. WFSPX is a passively managed fund by BlackRock that tracks the performance of the S&P 500 Index. It was launched on Jul 30, 1993.
Performance
BBN vs. WFSPX - Performance Comparison
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BBN vs. WFSPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BBN BlackRock Taxable Municipal Bond Trust | 0.77% | 8.59% | 6.01% | 3.55% | -31.02% | 2.68% | 16.95% | 22.78% | -2.86% | 15.03% |
WFSPX iShares S&P 500 Index Fund | -4.63% | 17.83% | 24.94% | 26.25% | -18.14% | 28.63% | 18.43% | 31.45% | -4.83% | 21.27% |
Returns By Period
In the year-to-date period, BBN achieves a 0.77% return, which is significantly higher than WFSPX's -4.63% return. Over the past 10 years, BBN has underperformed WFSPX with an annualized return of 3.08%, while WFSPX has yielded a comparatively higher 13.92% annualized return.
BBN
- 1D
- -0.12%
- 1M
- -2.58%
- YTD
- 0.77%
- 6M
- 0.28%
- 1Y
- 4.41%
- 3Y*
- 3.52%
- 5Y*
- -1.71%
- 10Y*
- 3.08%
WFSPX
- 1D
- 2.62%
- 1M
- -5.31%
- YTD
- -4.63%
- 6M
- -2.47%
- 1Y
- 16.96%
- 3Y*
- 18.15%
- 5Y*
- 11.69%
- 10Y*
- 13.92%
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BBN vs. WFSPX - Expense Ratio Comparison
BBN has a 2.32% expense ratio, which is higher than WFSPX's 0.03% expense ratio.
Return for Risk
BBN vs. WFSPX — Risk / Return Rank
BBN
WFSPX
BBN vs. WFSPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Taxable Municipal Bond Trust (BBN) and iShares S&P 500 Index Fund (WFSPX). 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 | WFSPX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.42 | 0.96 | -0.54 |
Sortino ratioReturn per unit of downside risk | 0.64 | 1.47 | -0.83 |
Omega ratioGain probability vs. loss probability | 1.08 | 1.22 | -0.14 |
Calmar ratioReturn relative to maximum drawdown | 0.53 | 1.49 | -0.97 |
Martin ratioReturn relative to average drawdown | 1.14 | 7.15 | -6.01 |
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 | WFSPX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.42 | 0.96 | -0.54 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.11 | 0.70 | -0.81 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.20 | 0.78 | -0.57 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.40 | 0.13 | +0.27 |
Correlation
The correlation between BBN and WFSPX is 0.08, 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. WFSPX - Dividend Comparison
BBN's dividend yield for the trailing twelve months is around 7.19%, more than WFSPX's 1.54% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BBN BlackRock Taxable Municipal Bond Trust | 7.19% | 7.01% | 6.92% | 7.16% | 7.91% | 5.45% | 5.05% | 5.66% | 7.09% | 6.82% | 7.32% | 7.54% |
WFSPX iShares S&P 500 Index Fund | 1.54% | 1.72% | 1.41% | 1.50% | 2.02% | 1.82% | 1.66% | 1.99% | 2.00% | 1.62% | 2.37% | 2.49% |
Drawdowns
BBN vs. WFSPX - Drawdown Comparison
The maximum BBN drawdown since its inception was -38.37%, smaller than the maximum WFSPX drawdown of -58.21%. Use the drawdown chart below to compare losses from any high point for BBN and WFSPX.
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Drawdown Indicators
| BBN | WFSPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.37% | -58.21% | +19.84% |
Max Drawdown (1Y)Largest decline over 1 year | -7.55% | -12.11% | +4.56% |
Max Drawdown (5Y)Largest decline over 5 years | -38.37% | -24.51% | -13.86% |
Max Drawdown (10Y)Largest decline over 10 years | -38.37% | -33.74% | -4.63% |
Current DrawdownCurrent decline from peak | -18.47% | -6.51% | -11.96% |
Average DrawdownAverage peak-to-trough decline | -10.23% | -12.84% | +2.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.48% | 2.53% | +0.95% |
Volatility
BBN vs. WFSPX - Volatility Comparison
The current volatility for BlackRock Taxable Municipal Bond Trust (BBN) is 4.08%, while iShares S&P 500 Index Fund (WFSPX) has a volatility of 5.17%. This indicates that BBN experiences smaller price fluctuations and is considered to be less risky than WFSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BBN | WFSPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.08% | 5.17% | -1.09% |
Volatility (6M)Calculated over the trailing 6-month period | 6.93% | 9.44% | -2.51% |
Volatility (1Y)Calculated over the trailing 1-year period | 10.55% | 18.21% | -7.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.54% | 16.88% | -1.34% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.13% | 18.00% | -2.87% |