TXXI vs. MUB
TXXI (BondBloxx IR+M Tax-Aware Intermediate Duration ETF) and MUB (iShares National AMT-Free Muni Bond ETF) are both Municipal Bonds funds. TXXI is actively managed, while MUB is passively managed. Over the past year, TXXI returned 6.65% vs 6.87% for MUB. Their correlation of 0.85 suggests significant overlap in exposure. TXXI charges 0.35%/yr vs 0.07%/yr for MUB.
Performance
TXXI vs. MUB - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with TXXI having a 1.45% return and MUB slightly lower at 1.41%.
TXXI
- 1D
- 0.13%
- 1M
- 0.59%
- YTD
- 1.45%
- 6M
- 2.04%
- 1Y
- 6.65%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MUB
- 1D
- 0.17%
- 1M
- 0.66%
- YTD
- 1.41%
- 6M
- 1.92%
- 1Y
- 6.87%
- 3Y*
- 3.41%
- 5Y*
- 0.89%
- 10Y*
- 2.01%
TXXI vs. MUB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
TXXI BondBloxx IR+M Tax-Aware Intermediate Duration ETF | 1.45% | 4.34% |
MUB iShares National AMT-Free Muni Bond ETF | 1.41% | 3.97% |
Correlation
The correlation between TXXI and MUB is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.82 |
Correlation (All Time) Calculated using the full available price history since Mar 14, 2025 | 0.85 |
The correlation between TXXI and MUB has been stable across timeframes, ranging from 0.82 to 0.85 - a consistent structural relationship.
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Return for Risk
TXXI vs. MUB — Risk / Return Rank
TXXI
MUB
TXXI vs. MUB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BondBloxx IR+M Tax-Aware Intermediate Duration ETF (TXXI) 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.
| TXXI | MUB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.02 | ||
| Sortino ratioReturn per unit of downside risk | -0.17 | ||
| Omega ratioGain probability vs. loss probability | 1.52 | 1.50 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 2.17 | 2.48 | -0.31 |
| Martin ratioReturn relative to average drawdown | 7.12 | 8.74 | -1.62 |
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
| TXXI | MUB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.36 | 2.37 | -0.02 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.22 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.41 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.38 | 0.59 | +0.80 |
Drawdowns
TXXI vs. MUB - Drawdown Comparison
The maximum TXXI drawdown since its inception was -3.08%, smaller than the maximum MUB drawdown of -13.68%. Use the drawdown chart below to compare losses from any high point for TXXI and MUB.
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Drawdown Indicators
| TXXI | MUB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.08% | -13.68% | +10.60% |
Max Drawdown (1Y)Largest decline over 1 year | -3.08% | -2.79% | -0.29% |
Max Drawdown (3Y)Largest decline over 3 years | — | -5.34% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -11.88% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -13.68% | — |
Current DrawdownCurrent decline from peak | -0.87% | -0.53% | -0.34% |
Average DrawdownAverage peak-to-trough decline | -0.71% | -2.23% | +1.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.94% | 0.79% | +0.15% |
Volatility
TXXI vs. MUB - Volatility Comparison
The current volatility for BondBloxx IR+M Tax-Aware Intermediate Duration ETF (TXXI) is 0.84%, while iShares National AMT-Free Muni Bond ETF (MUB) has a volatility of 0.98%. This indicates that TXXI experiences smaller price fluctuations and is considered to be less risky 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
| TXXI | MUB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.84% | 0.98% | -0.14% |
Volatility (6M)Calculated over the trailing 6-month period | 2.24% | 2.22% | +0.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.84% | 2.92% | -0.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.46% | 4.06% | -0.60% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.46% | 4.92% | -1.46% |
TXXI vs. MUB - Expense Ratio Comparison
TXXI has a 0.35% expense ratio, which is higher than MUB's 0.07% expense ratio.
Dividends
TXXI vs. MUB - Dividend Comparison
TXXI's dividend yield for the trailing twelve months is around 3.46%, more than MUB's 3.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MUB iShares National AMT-Free Muni Bond ETF | 3.17% | 3.14% | 3.01% | 2.65% | 2.11% | 1.81% | 2.11% | 2.42% | 2.46% | 2.26% | 2.21% | 2.51% |
TXXI BondBloxx IR+M Tax-Aware Intermediate Duration ETF | 3.46% | 2.85% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
TXXI and MUB have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MUB has higher volatility (0.98%) compared to TXXI (0.84%). In terms of maximum drawdown, TXXI dropped -3.08% vs MUB's -13.68%.
On 1-year performance, MUB leads with 6.87% vs 6.65% for TXXI. On fees, MUB is cheaper at 0.07% per year. On volatility, TXXI has been the lower-risk option at 0.84%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, MUB has performed better with a 6.87% return vs 6.65%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MUB is cheaper with a 0.07% expense ratio, compared with 0.35% for TXXI.
TXXI has the higher dividend yield at 3.46%, compared with 3.17% for MUB.
They also come from different issuers: BondBloxx and iShares. Their fees differ too: 0.35% for TXXI and 0.07% for MUB.
MUB currently has the higher Sharpe Ratio (2.37 vs 2.36), 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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