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

Correlation

The correlation between SUB and MUB 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

SUB vs. MUB - Performance Comparison

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

0.00%0.50%1.00%1.50%2.00%2.50%AugustSeptemberOctoberNovemberDecember2025
1.70%
1.05%
SUB
MUB

Key characteristics

Sharpe Ratio

SUB:

2.07

MUB:

0.61

Sortino Ratio

SUB:

3.09

MUB:

0.86

Omega Ratio

SUB:

1.42

MUB:

1.11

Calmar Ratio

SUB:

3.32

MUB:

0.52

Martin Ratio

SUB:

10.00

MUB:

2.13

Ulcer Index

SUB:

0.31%

MUB:

1.12%

Daily Std Dev

SUB:

1.48%

MUB:

3.90%

Max Drawdown

SUB:

-9.46%

MUB:

-13.68%

Current Drawdown

SUB:

0.00%

MUB:

-1.34%

Returns By Period

The year-to-date returns for both stocks are quite close, with SUB having a 0.27% return and MUB slightly lower at 0.26%. Over the past 10 years, SUB has underperformed MUB with an annualized return of 1.15%, while MUB has yielded a comparatively higher 1.90% annualized return.


SUB

YTD

0.27%

1M

0.51%

6M

1.70%

1Y

2.95%

5Y*

1.06%

10Y*

1.15%

MUB

YTD

0.26%

1M

0.63%

6M

1.05%

1Y

2.24%

5Y*

0.74%

10Y*

1.90%

*Annualized

Compare stocks, funds, or ETFs

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


SUB vs. MUB - Expense Ratio Comparison

Both SUB and MUB 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%.


SUB
iShares Short-Term National Muni Bond ETF
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%
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%

Risk-Adjusted Performance

SUB vs. MUB — Risk-Adjusted Performance Rank

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

SUB
The Risk-Adjusted Performance Rank of SUB is 8484
Overall Rank
The Sharpe Ratio Rank of SUB is 8585
Sharpe Ratio Rank
The Sortino Ratio Rank of SUB is 8989
Sortino Ratio Rank
The Omega Ratio Rank of SUB is 8888
Omega Ratio Rank
The Calmar Ratio Rank of SUB is 8585
Calmar Ratio Rank
The Martin Ratio Rank of SUB is 7676
Martin Ratio Rank

MUB
The Risk-Adjusted Performance Rank of MUB is 2424
Overall Rank
The Sharpe Ratio Rank of MUB is 2323
Sharpe Ratio Rank
The Sortino Ratio Rank of MUB is 2121
Sortino Ratio Rank
The Omega Ratio Rank of MUB is 2121
Omega Ratio Rank
The Calmar Ratio Rank of MUB is 2727
Calmar Ratio Rank
The Martin Ratio Rank of MUB is 2626
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.

SUB vs. MUB - Risk-Adjusted Performance Comparison

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


Sharpe ratio
The chart of Sharpe ratio for SUB, currently valued at 2.07, compared to the broader market0.002.004.002.070.61
The chart of Sortino ratio for SUB, currently valued at 3.09, compared to the broader market0.005.0010.003.090.86
The chart of Omega ratio for SUB, currently valued at 1.42, compared to the broader market0.501.001.502.002.503.001.421.11
The chart of Calmar ratio for SUB, currently valued at 3.32, compared to the broader market0.005.0010.0015.0020.003.320.52
The chart of Martin ratio for SUB, currently valued at 10.00, compared to the broader market0.0020.0040.0060.0080.00100.0010.002.13
SUB
MUB

The current SUB Sharpe Ratio is 2.07, which is higher than the MUB Sharpe Ratio of 0.61. The chart below compares the historical Sharpe Ratios of SUB and MUB, 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
2.07
0.61
SUB
MUB

Dividends

SUB vs. MUB - Dividend Comparison

SUB's dividend yield for the trailing twelve months is around 2.09%, less than MUB's 3.00% yield.


TTM20242023202220212020201920182017201620152014
SUB
iShares Short-Term National Muni Bond ETF
2.09%2.10%1.73%0.86%0.72%1.23%1.59%1.32%0.94%0.75%0.77%0.76%
MUB
iShares National AMT-Free Muni Bond ETF
3.00%3.01%2.65%2.11%1.81%2.11%2.42%2.46%2.26%2.21%2.51%2.73%

Drawdowns

SUB vs. MUB - Drawdown Comparison

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


-2.50%-2.00%-1.50%-1.00%-0.50%0.00%AugustSeptemberOctoberNovemberDecember20250
-1.34%
SUB
MUB

Volatility

SUB vs. MUB - Volatility Comparison

The current volatility for iShares Short-Term National Muni Bond ETF (SUB) is 0.46%, while iShares National AMT-Free Muni Bond ETF (MUB) has a volatility of 1.17%. This indicates that SUB 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.


0.00%0.50%1.00%1.50%2.00%AugustSeptemberOctoberNovemberDecember2025
0.46%
1.17%
SUB
MUB
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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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