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

Correlation

The correlation between MUB and CMF is -0.05. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.


-0.50.00.51.0
Correlation: -0.0

Performance

MUB vs. CMF - 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 California Muni Bond ETF (CMF). The values are adjusted to include any dividend payments, if applicable.

66.00%68.00%70.00%72.00%74.00%76.00%78.00%December2025FebruaryMarchAprilMay
68.76%
72.21%
MUB
CMF

Key characteristics

Sharpe Ratio

MUB:

0.28

CMF:

0.23

Sortino Ratio

MUB:

0.40

CMF:

0.32

Omega Ratio

MUB:

1.06

CMF:

1.05

Calmar Ratio

MUB:

0.28

CMF:

0.20

Martin Ratio

MUB:

0.92

CMF:

0.76

Ulcer Index

MUB:

1.46%

CMF:

1.55%

Daily Std Dev

MUB:

4.74%

CMF:

5.05%

Max Drawdown

MUB:

-13.68%

CMF:

-16.45%

Current Drawdown

MUB:

-2.71%

CMF:

-3.55%

Returns By Period

In the year-to-date period, MUB achieves a -1.12% return, which is significantly higher than CMF's -1.86% return. Over the past 10 years, MUB has outperformed CMF with an annualized return of 1.95%, while CMF has yielded a comparatively lower 1.73% annualized return.


MUB

YTD

-1.12%

1M

-0.71%

6M

-0.82%

1Y

1.07%

5Y*

1.05%

10Y*

1.95%

CMF

YTD

-1.86%

1M

-0.71%

6M

-1.03%

1Y

0.90%

5Y*

0.54%

10Y*

1.73%

*Annualized

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MUB vs. CMF - Expense Ratio Comparison

MUB has a 0.07% expense ratio, which is lower than CMF's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


Expense ratio chart for CMF: current value is 0.25%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
CMF: 0.25%
Expense ratio chart for MUB: current value is 0.07%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
MUB: 0.07%

Risk-Adjusted Performance

MUB vs. CMF — 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 3737
Overall Rank
The Sharpe Ratio Rank of MUB is 3838
Sharpe Ratio Rank
The Sortino Ratio Rank of MUB is 3232
Sortino Ratio Rank
The Omega Ratio Rank of MUB is 3232
Omega Ratio Rank
The Calmar Ratio Rank of MUB is 4242
Calmar Ratio Rank
The Martin Ratio Rank of MUB is 3939
Martin Ratio Rank

CMF
The Risk-Adjusted Performance Rank of CMF is 3232
Overall Rank
The Sharpe Ratio Rank of CMF is 3434
Sharpe Ratio Rank
The Sortino Ratio Rank of CMF is 2727
Sortino Ratio Rank
The Omega Ratio Rank of CMF is 2929
Omega Ratio Rank
The Calmar Ratio Rank of CMF is 3636
Calmar Ratio Rank
The Martin Ratio Rank of CMF is 3535
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. CMF - 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 California Muni Bond ETF (CMF). 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.


The chart of Sharpe ratio for MUB, currently valued at 0.28, compared to the broader market-1.000.001.002.003.004.00
MUB: 0.28
CMF: 0.23
The chart of Sortino ratio for MUB, currently valued at 0.40, compared to the broader market-2.000.002.004.006.008.00
MUB: 0.40
CMF: 0.32
The chart of Omega ratio for MUB, currently valued at 1.06, compared to the broader market0.501.001.502.002.50
MUB: 1.06
CMF: 1.05
The chart of Calmar ratio for MUB, currently valued at 0.28, compared to the broader market0.002.004.006.008.0010.0012.00
MUB: 0.28
CMF: 0.20
The chart of Martin ratio for MUB, currently valued at 0.92, compared to the broader market0.0020.0040.0060.00
MUB: 0.92
CMF: 0.76

The current MUB Sharpe Ratio is 0.28, which is comparable to the CMF Sharpe Ratio of 0.23. The chart below compares the historical Sharpe Ratios of MUB and CMF, 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 Ratio0.000.501.001.502.00December2025FebruaryMarchAprilMay
0.28
0.23
MUB
CMF

Dividends

MUB vs. CMF - Dividend Comparison

MUB's dividend yield for the trailing twelve months is around 3.14%, more than CMF's 2.94% yield.


TTM20242023202220212020201920182017201620152014
MUB
iShares National AMT-Free Muni Bond ETF
3.14%3.01%2.65%2.11%1.81%2.11%2.42%2.46%2.26%2.21%2.51%2.73%
CMF
iShares California Muni Bond ETF
2.94%2.78%2.29%1.91%1.58%1.80%2.03%2.17%2.09%2.21%2.55%2.80%

Drawdowns

MUB vs. CMF - Drawdown Comparison

The maximum MUB drawdown since its inception was -13.68%, smaller than the maximum CMF drawdown of -16.45%. Use the drawdown chart below to compare losses from any high point for MUB and CMF. For additional features, visit the drawdowns tool.


-6.00%-5.00%-4.00%-3.00%-2.00%-1.00%0.00%December2025FebruaryMarchAprilMay
-2.71%
-3.55%
MUB
CMF

Volatility

MUB vs. CMF - Volatility Comparison

The current volatility for iShares National AMT-Free Muni Bond ETF (MUB) is 3.02%, while iShares California Muni Bond ETF (CMF) has a volatility of 3.53%. This indicates that MUB experiences smaller price fluctuations and is considered to be less risky than CMF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


1.00%1.50%2.00%2.50%3.00%3.50%December2025FebruaryMarchAprilMay
3.02%
3.53%
MUB
CMF