MUB vs. INMU
Compare and contrast key facts about iShares National AMT-Free Muni Bond ETF (MUB) and BlackRock Intermediate Muni Income Bond ETF (INMU).
MUB and INMU are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. INMU is an actively managed fund by BlackRock. It was launched on Mar 16, 2021.
Performance
MUB vs. INMU - Performance Comparison
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MUB vs. INMU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
MUB iShares National AMT-Free Muni Bond ETF | 0.04% | 3.78% | 1.26% | 5.56% | -7.34% | 2.12% |
INMU BlackRock Intermediate Muni Income Bond ETF | 0.28% | 5.52% | 2.77% | 6.50% | -7.78% | 2.84% |
Returns By Period
In the year-to-date period, MUB achieves a 0.04% return, which is significantly lower than INMU's 0.28% return.
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%
INMU
- 1D
- 0.31%
- 1M
- -1.87%
- YTD
- 0.28%
- 6M
- 1.82%
- 1Y
- 4.69%
- 3Y*
- 4.09%
- 5Y*
- 1.79%
- 10Y*
- —
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MUB vs. INMU - Expense Ratio Comparison
MUB has a 0.07% expense ratio, which is lower than INMU's 0.30% expense ratio.
Return for Risk
MUB vs. INMU — Risk / Return Rank
MUB
INMU
MUB vs. INMU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares National AMT-Free Muni Bond ETF (MUB) and BlackRock Intermediate Muni Income Bond ETF (INMU). 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 | INMU | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.98 | 1.09 | -0.11 |
Sortino ratioReturn per unit of downside risk | 1.27 | 1.39 | -0.11 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.28 | -0.06 |
Calmar ratioReturn relative to maximum drawdown | 1.33 | 1.57 | -0.24 |
Martin ratioReturn relative to average drawdown | 4.22 | 5.51 | -1.28 |
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 | INMU | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.98 | 1.09 | -0.11 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.22 | 0.50 | -0.28 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.41 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.53 | +0.05 |
Correlation
The correlation between MUB and INMU is 0.73, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
MUB vs. INMU - Dividend Comparison
MUB's dividend yield for the trailing twelve months is around 3.19%, less than INMU's 3.39% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
INMU BlackRock Intermediate Muni Income Bond ETF | 3.39% | 3.48% | 3.47% | 3.44% | 1.92% | 1.14% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
MUB vs. INMU - Drawdown Comparison
The maximum MUB drawdown since its inception was -13.68%, which is greater than INMU's maximum drawdown of -10.67%. Use the drawdown chart below to compare losses from any high point for MUB and INMU.
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Drawdown Indicators
| MUB | INMU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.68% | -10.67% | -3.01% |
Max Drawdown (1Y)Largest decline over 1 year | -3.30% | -3.15% | -0.15% |
Max Drawdown (5Y)Largest decline over 5 years | -11.88% | -10.67% | -1.21% |
Max Drawdown (10Y)Largest decline over 10 years | -13.68% | — | — |
Current DrawdownCurrent decline from peak | -1.87% | -2.08% | +0.21% |
Average DrawdownAverage peak-to-trough decline | -2.24% | -2.86% | +0.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.04% | 0.90% | +0.14% |
Volatility
MUB vs. INMU - Volatility Comparison
iShares National AMT-Free Muni Bond ETF (MUB) has a higher volatility of 1.56% compared to BlackRock Intermediate Muni Income Bond ETF (INMU) at 1.28%. This indicates that MUB's price experiences larger fluctuations and is considered to be riskier than INMU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MUB | INMU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.56% | 1.28% | +0.28% |
Volatility (6M)Calculated over the trailing 6-month period | 2.07% | 1.88% | +0.19% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.15% | 4.35% | -0.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.04% | 3.59% | +0.45% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.91% | 3.58% | +1.33% |