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ISIN
US4642883569
CUSIP
464288356
Issuer
iShares
Inception Date
Oct 4, 2007
Region
North America (U.S.)
Leveraged
1x (No leverage)
Index Tracked
S&P California AMT-Free Municipal Bond Index
Distribution Policy
Distributing
Asset Class
Bond
Assets Under Management
$4B

Share Price Chart


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Performance

CMF Performance Chart

iShares California Muni Bond ETF (CMF) is up 1.3% since the beginning of the year. CMF is currently trading at $57 per share. Investors who bought $1,000 worth of CMF shares 5 years ago would now be looking at an investment worth $1,038.


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S&P 500 Index

Returns By Period

iShares California Muni Bond ETF (CMF) has returned 1.28% so far this year and 6.61% over the past 12 months. Over the last ten years, CMF has returned 1.66% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


iShares California Muni Bond ETF

1D
-0.02%
1M
1.39%
YTD
1.28%
6M
1.51%
1Y
6.61%
3Y*
3.14%
5Y*
0.75%
10Y*
1.66%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

CMF Monthly Returns History

Based on dividend-adjusted daily data since Oct 5, 2007, CMF's average daily return is +0.01%, while the average monthly return is +0.28%. At this rate, an investment would double in approximately 20.7 years.

Historically, 62% of months were positive and 38% were negative. The best month was Aug 2009 with a return of +6.1%, while the worst month was Dec 2010 at -5.4%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 5 months.

On a daily basis, CMF closed higher 54% of trading days. The best single day was Dec 26, 2014 with a return of +19.0%, while the worst single day was Dec 29, 2014 at -15.9%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.77%1.12%-2.42%1.04%0.32%0.49%1.28%
2025-0.56%1.11%-1.81%-0.35%-0.23%0.37%-0.28%0.93%2.47%1.13%0.43%0.16%3.36%
20240.02%0.00%-0.27%-1.15%-0.33%1.04%1.20%0.52%1.12%-1.36%1.69%-0.79%1.65%
20232.55%-2.22%2.45%-0.18%-0.90%0.81%0.02%-1.02%-2.16%-1.16%5.39%2.28%5.71%
2022-3.02%-0.34%-3.17%-2.93%2.00%-1.55%2.52%-2.26%-3.71%-0.17%5.06%-0.63%-8.27%
20210.40%-1.76%0.52%0.86%0.11%0.24%0.59%-0.34%-0.75%0.01%0.72%0.19%0.78%

Benchmark Metrics

iShares California Muni Bond ETF has an annualized alpha of 3.52%, beta of 0.01, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since October 05, 2007.

  • This ETF participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (14.32%) than losses (8.06%) - typical of diversified or defensive assets.
  • Beta of 0.01 may look defensive, but with R2 of 0.00 this ETF is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
  • R2 of 0.00 means this ETF moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
3.52%
Beta
0.01
0.00
Upside Capture
14.32%
Downside Capture
8.06%

Expense Ratio

CMF has an expense ratio of 0.25%, which is considered low.


Return for Risk

Risk / Return Rank

CMF ranks 68 for risk / return — better than 68% of ETFs on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.


CMF Risk / Return Rank: 6868
Overall Rank
CMF Sharpe Ratio Rank: 7878
Sharpe Ratio Rank
CMF Sortino Ratio Rank: 8181
Sortino Ratio Rank
CMF Omega Ratio Rank: 8989
Omega Ratio Rank
CMF Calmar Ratio Rank: 4747
Calmar Ratio Rank
CMF Martin Ratio Rank: 4646
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for iShares California Muni Bond ETF (CMF) and compare them to S&P 500 Index.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.


CMFBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

+0.37

Sortino ratioReturn per unit of downside risk

+0.69

Omega ratioGain probability vs. loss probability

1.54

1.37

+0.18

Calmar ratioReturn relative to maximum drawdown

2.28

2.78

-0.51

Martin ratioReturn relative to average drawdown

7.50

12.44

-4.94

Dividends

Dividend History

iShares California Muni Bond ETF provided a 2.94% dividend yield over the last twelve months, with an annual payout of $1.69 per share. The fund has been increasing its distributions for 4 consecutive years.


1.50%2.00%2.50%3.00%$0.00$0.50$1.00$1.5020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$1.69$1.69$1.59$1.32$1.07$0.98$1.13$1.24$1.27$1.24$1.28$1.51

Dividend yield

2.94%2.94%2.78%2.29%1.91%1.58%1.80%2.03%2.17%2.09%2.21%2.55%

Monthly Dividends

The table displays the monthly dividend distributions for iShares California Muni Bond ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.14$0.14$0.14$0.14$0.14$0.70
2025$0.00$0.13$0.14$0.14$0.14$0.14$0.14$0.14$0.14$0.14$0.14$0.28$1.69
2024$0.00$0.12$0.13$0.13$0.13$0.14$0.13$0.13$0.13$0.14$0.14$0.27$1.59
2023$0.00$0.10$0.11$0.10$0.11$0.11$0.11$0.11$0.11$0.12$0.11$0.24$1.32
2022$0.00$0.08$0.09$0.09$0.09$0.08$0.09$0.09$0.09$0.10$0.10$0.19$1.07
2021$0.00$0.08$0.09$0.08$0.09$0.08$0.08$0.08$0.08$0.08$0.08$0.16$0.98

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the iShares California Muni Bond ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the iShares California Muni Bond ETF was 16.45%, occurring on Jun 10, 2015. Recovery took 1182 trading sessions.

The current iShares California Muni Bond ETF drawdown is 0.61%.


Related event

Drawdown

Fall

Recovery

Underwater

2015 correction2015
-16.45%Jun 2015
5mo 13d4y 8mo
5y 1moDec 2014 - Feb 2020
COVID crash2020
-14.57%Mar 2020
13d3mo 25d
4mo 8dMar 2020 - Jul 2020
Financial crisis2007–2009
-13.24%Oct 2008
4mo 28d2mo 22d
7mo 20dMay 2008 - Jan 2009
Bear market2022
-12.45%Oct 2022
1y 2mo2y 10mo
4y 1moAug 2021 - Sep 2025
2011 correction2011
-11.65%Jan 2011
4mo 18d6mo 16d
11mo 4dSep 2010 - Aug 2011

Drawdown Indicators


CMFBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-16.45%

-56.78%

+40.33%

Max Drawdown (1Y)

Largest decline over 1 year

-2.91%

-9.10%

+6.19%

Max Drawdown (3Y)

Largest decline over 3 years

-5.22%

-18.90%

+13.68%

Max Drawdown (5Y)

Largest decline over 5 years

-12.45%

-25.43%

+12.98%

Max Drawdown (10Y)

Largest decline over 10 years

-14.57%

-33.92%

+19.35%

Current Drawdown

Current decline from peak

-0.61%

-1.80%

+1.19%

Average Drawdown

Average peak-to-trough decline

-4.76%

-10.71%

+5.95%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.88%

2.03%

-1.15%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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