MUB vs. BBUS
MUB (iShares National AMT-Free Muni Bond ETF) and BBUS (JP Morgan Betabuilders U.S. Equity ETF) are both exchange-traded funds - MUB is a Municipal Bonds fund tracking the S&P National AMT-Free Municipal Bond Index, while BBUS is a Large Cap Growth Equities fund tracking the Morningstar US Target Market Exposure Index. Both are passively managed. Over the past 5 years, MUB returned 0.77%/yr vs 13.01%/yr for BBUS. At a 0.13 correlation, their price movements are largely independent. MUB charges 0.07%/yr vs 0.02%/yr for BBUS.
Performance
MUB vs. BBUS - Performance Comparison
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Returns By Period
In the year-to-date period, MUB achieves a 1.17% return, which is significantly lower than BBUS's 8.45% return.
MUB
- 1D
- -0.03%
- 1M
- 0.21%
- YTD
- 1.17%
- 6M
- 1.69%
- 1Y
- 6.99%
- 3Y*
- 3.29%
- 5Y*
- 0.77%
- 10Y*
- 1.94%
BBUS
- 1D
- 0.23%
- 1M
- 0.44%
- YTD
- 8.45%
- 6M
- 8.40%
- 1Y
- 24.33%
- 3Y*
- 21.53%
- 5Y*
- 13.01%
- 10Y*
- —
MUB vs. BBUS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
MUB iShares National AMT-Free Muni Bond ETF | 1.17% | 3.78% | 1.26% | 5.56% | -7.34% | 1.02% | 5.12% | 5.54% |
BBUS JP Morgan Betabuilders U.S. Equity ETF | 8.45% | 17.77% | 24.89% | 27.20% | -19.46% | 27.13% | 20.69% | 16.53% |
Correlation
The correlation between MUB and BBUS is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.29 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.23 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.19 |
Correlation (All Time) Calculated using the full available price history since Mar 14, 2019 | 0.13 |
The correlation between MUB and BBUS shifts across timeframes, from 0.13 (all time) to 0.29 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
MUB vs. BBUS — Risk / Return Rank
MUB
BBUS
MUB vs. BBUS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares National AMT-Free Muni Bond ETF (MUB) and JP Morgan Betabuilders U.S. Equity ETF (BBUS). 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.
| MUB | BBUS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.40 | ||
| Sortino ratioReturn per unit of downside risk | +0.82 | ||
| Omega ratioGain probability vs. loss probability | 1.51 | 1.37 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 2.52 | 2.65 | -0.14 |
| Martin ratioReturn relative to average drawdown | 8.85 | 12.09 | -3.24 |
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
| MUB | BBUS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.42 | 2.02 | +0.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.19 | 0.77 | -0.58 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.39 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.82 | -0.23 |
Drawdowns
MUB vs. BBUS - Drawdown Comparison
The maximum MUB drawdown since its inception was -13.68%, smaller than the maximum BBUS drawdown of -35.35%. Use the drawdown chart below to compare losses from any high point for MUB and BBUS.
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Drawdown Indicators
| MUB | BBUS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.68% | -35.35% | +21.67% |
Max Drawdown (1Y)Largest decline over 1 year | -2.79% | -9.21% | +6.42% |
Max Drawdown (3Y)Largest decline over 3 years | -5.34% | -19.01% | +13.67% |
Max Drawdown (5Y)Largest decline over 5 years | -11.88% | -25.46% | +13.58% |
Max Drawdown (10Y)Largest decline over 10 years | -13.68% | — | — |
Current DrawdownCurrent decline from peak | -0.77% | -2.68% | +1.91% |
Average DrawdownAverage peak-to-trough decline | -2.23% | -5.45% | +3.22% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.79% | 2.02% | -1.23% |
Volatility
MUB vs. BBUS - Volatility Comparison
The current volatility for iShares National AMT-Free Muni Bond ETF (MUB) is 0.99%, while JP Morgan Betabuilders U.S. Equity ETF (BBUS) has a volatility of 3.78%. This indicates that MUB experiences smaller price fluctuations and is considered to be less risky than BBUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MUB | BBUS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.99% | 3.78% | -2.79% |
Volatility (6M)Calculated over the trailing 6-month period | 2.23% | 9.37% | -7.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.90% | 12.15% | -9.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.06% | 17.07% | -13.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.92% | 19.60% | -14.68% |
MUB vs. BBUS - Expense Ratio Comparison
MUB has a 0.07% expense ratio, which is higher than BBUS's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
MUB vs. BBUS - Dividend Comparison
MUB's dividend yield for the trailing twelve months is around 3.18%, more than BBUS's 1.00% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BBUS JP Morgan Betabuilders U.S. Equity ETF | 1.00% | 1.07% | 1.21% | 1.38% | 1.57% | 1.11% | 1.43% | 1.37% | 0.00% | 0.00% | 0.00% | 0.00% |
MUB iShares National AMT-Free Muni Bond ETF | 3.18% | 3.14% | 3.01% | 2.65% | 2.11% | 1.81% | 2.11% | 2.42% | 2.46% | 2.26% | 2.21% | 2.51% |
Frequently Asked Questions
MUB and BBUS have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BBUS has higher volatility (3.78%) compared to MUB (0.99%). In terms of maximum drawdown, MUB dropped -13.68% vs BBUS's -35.35%.
On 5-year performance, BBUS leads with 13.01% vs 0.77% for MUB. On fees, BBUS is cheaper at 0.02% per year. On volatility, MUB has been the lower-risk option at 0.99%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, BBUS has performed better with a 13.01% return vs 0.77%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
BBUS is cheaper with a 0.02% expense ratio, compared with 0.07% for MUB.
MUB has the higher dividend yield at 3.18%, compared with 1.00% for BBUS.
MUB is categorized as Municipal Bonds, while BBUS is Large Cap Growth Equities. MUB tracks S&P National AMT-Free Municipal Bond Index, while BBUS tracks Morningstar US Target Market Exposure Index. They also come from different issuers: iShares and JPMorgan. Their fees differ too: 0.07% for MUB and 0.02% for BBUS.
MUB currently has the higher Sharpe Ratio (2.42 vs 2.02), 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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