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MUB vs. SUB
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between MUB and SUB 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.


-0.50.00.51.00.4

Performance

MUB vs. SUB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares National AMT-Free Muni Bond ETF (MUB) and iShares Short-Term National Muni Bond ETF (SUB). The values are adjusted to include any dividend payments, if applicable.

0.00%0.50%1.00%1.50%2.00%2.50%AugustSeptemberOctoberNovemberDecember2025
0.61%
1.56%
MUB
SUB

Key characteristics

Sharpe Ratio

MUB:

0.35

SUB:

1.80

Sortino Ratio

MUB:

0.50

SUB:

2.67

Omega Ratio

MUB:

1.07

SUB:

1.35

Calmar Ratio

MUB:

0.30

SUB:

2.89

Martin Ratio

MUB:

1.25

SUB:

8.70

Ulcer Index

MUB:

1.09%

SUB:

0.31%

Daily Std Dev

MUB:

3.87%

SUB:

1.48%

Max Drawdown

MUB:

-13.68%

SUB:

-9.46%

Current Drawdown

MUB:

-1.90%

SUB:

-0.16%

Returns By Period

In the year-to-date period, MUB achieves a -0.30% return, which is significantly lower than SUB's 0.02% return. Over the past 10 years, MUB has outperformed SUB with an annualized return of 1.88%, while SUB has yielded a comparatively lower 1.16% annualized return.


MUB

YTD

-0.30%

1M

-0.08%

6M

0.61%

1Y

1.73%

5Y*

0.78%

10Y*

1.88%

SUB

YTD

0.02%

1M

0.19%

6M

1.55%

1Y

2.77%

5Y*

1.03%

10Y*

1.16%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


MUB vs. SUB - Expense Ratio Comparison

Both MUB and SUB have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.


MUB
iShares National AMT-Free Muni Bond ETF
Expense ratio chart for MUB: current value at 0.07% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.07%
Expense ratio chart for SUB: current value at 0.07% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.07%

Risk-Adjusted Performance

MUB vs. SUB — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MUB
The Risk-Adjusted Performance Rank of MUB is 1515
Overall Rank
The Sharpe Ratio Rank of MUB is 1414
Sharpe Ratio Rank
The Sortino Ratio Rank of MUB is 1313
Sortino Ratio Rank
The Omega Ratio Rank of MUB is 1313
Omega Ratio Rank
The Calmar Ratio Rank of MUB is 1818
Calmar Ratio Rank
The Martin Ratio Rank of MUB is 1616
Martin Ratio Rank

SUB
The Risk-Adjusted Performance Rank of SUB is 7272
Overall Rank
The Sharpe Ratio Rank of SUB is 7070
Sharpe Ratio Rank
The Sortino Ratio Rank of SUB is 7474
Sortino Ratio Rank
The Omega Ratio Rank of SUB is 7575
Omega Ratio Rank
The Calmar Ratio Rank of SUB is 7676
Calmar Ratio Rank
The Martin Ratio Rank of SUB is 6767
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

MUB vs. SUB - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares National AMT-Free Muni Bond ETF (MUB) and iShares Short-Term National Muni Bond ETF (SUB). 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.


Sharpe ratio
The chart of Sharpe ratio for MUB, currently valued at 0.35, compared to the broader market0.002.004.000.351.80
The chart of Sortino ratio for MUB, currently valued at 0.50, compared to the broader market0.005.0010.000.502.67
The chart of Omega ratio for MUB, currently valued at 1.06, compared to the broader market0.501.001.502.002.503.003.501.071.35
The chart of Calmar ratio for MUB, currently valued at 0.30, compared to the broader market0.005.0010.0015.0020.000.302.89
The chart of Martin ratio for MUB, currently valued at 1.25, compared to the broader market0.0020.0040.0060.0080.00100.001.258.70
MUB
SUB

The current MUB Sharpe Ratio is 0.35, which is lower than the SUB Sharpe Ratio of 1.80. The chart below compares the historical Sharpe Ratios of MUB and SUB, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
0.35
1.80
MUB
SUB

Dividends

MUB vs. SUB - Dividend Comparison

MUB's dividend yield for the trailing twelve months is around 3.02%, more than SUB's 2.10% yield.


TTM20242023202220212020201920182017201620152014
MUB
iShares National AMT-Free Muni Bond ETF
3.02%3.01%2.65%2.11%1.81%2.11%2.42%2.46%2.26%2.21%2.51%2.73%
SUB
iShares Short-Term National Muni Bond ETF
2.10%2.10%1.73%0.86%0.72%1.23%1.59%1.32%0.94%0.75%0.77%0.76%

Drawdowns

MUB vs. SUB - Drawdown Comparison

The maximum MUB drawdown since its inception was -13.68%, which is greater than SUB's maximum drawdown of -9.46%. Use the drawdown chart below to compare losses from any high point for MUB and SUB. For additional features, visit the drawdowns tool.


-2.50%-2.00%-1.50%-1.00%-0.50%0.00%AugustSeptemberOctoberNovemberDecember2025
-1.90%
-0.16%
MUB
SUB

Volatility

MUB vs. SUB - Volatility Comparison

iShares National AMT-Free Muni Bond ETF (MUB) has a higher volatility of 1.32% compared to iShares Short-Term National Muni Bond ETF (SUB) at 0.61%. This indicates that MUB's price experiences larger fluctuations and is considered to be riskier than SUB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


0.00%0.50%1.00%1.50%2.00%AugustSeptemberOctoberNovemberDecember2025
1.32%
0.61%
MUB
SUB
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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