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BlackRock California Municipal Opportunities Fund ...
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US09252Y6068
CUSIP
09252Y606
Issuer
BlackRock
Inception Date
Oct 24, 1988
Min. Investment
$2,000,000
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in BlackRock California Municipal Opportunities Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

BlackRock California Municipal Opportunities Fund (MACMX) has returned -0.88% so far this year and 2.27% over the past 12 months. Over the last ten years, MACMX has returned 2.36% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


BlackRock California Municipal Opportunities Fund

1D
0.17%
1M
-2.33%
YTD
-0.88%
6M
-0.18%
1Y
2.27%
3Y*
3.55%
5Y*
1.12%
10Y*
2.36%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Oct 17, 1988, MACMX's average daily return is +0.02%, while the average monthly return is +0.39%. At this rate, your investment would double in approximately 14.8 years.

Historically, 66% of months were positive and 34% were negative. The best month was Nov 2023 with a return of +5.6%, while the worst month was Mar 2020 at -7.0%. The longest winning streak lasted 13 consecutive months, and the longest losing streak was 4 months.

On a daily basis, MACMX closed higher 41% of trading days. The best single day was Oct 22, 2008 with a return of +3.6%, while the worst single day was Mar 19, 2020 at -2.9%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.57%0.91%-2.33%-0.88%
20250.67%1.17%-0.64%-0.89%-0.12%0.40%-0.88%1.35%2.62%0.44%0.61%-0.35%4.41%
20240.01%0.53%0.28%-0.81%0.37%1.54%0.77%0.53%0.45%-0.79%1.66%-0.65%3.91%
20232.54%-1.67%0.83%-0.10%-0.35%0.07%0.50%-0.85%-1.97%-1.23%5.63%1.70%4.96%
2022-2.37%-0.23%-3.13%-2.88%1.23%-2.82%2.99%-1.94%-3.64%-0.72%4.34%0.41%-8.76%
20211.57%-1.01%1.41%0.78%0.61%0.46%0.45%-0.31%-0.54%-0.08%0.84%0.45%4.70%

Benchmark Metrics

BlackRock California Municipal Opportunities Fund has an annualized alpha of 4.72%, beta of 0.00, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since October 18, 1988.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (16.61%) than losses (1.23%) — typical of diversified or defensive assets.
  • Beta of 0.00 may look defensive, but with R² of 0.00 this fund 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 fund's risk.
  • R² of 0.00 means this fund 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
4.72%
Beta
0.00
0.00
Upside Capture
16.61%
Downside Capture
1.23%

Expense Ratio

MACMX has an expense ratio of 0.44%, placing it in the medium range.


Return for Risk

Risk / Return Rank

MACMX ranks 22 for risk / return — below 22% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.


MACMX Risk / Return Rank: 2222
Overall Rank
MACMX Sharpe Ratio Rank: 2020
Sharpe Ratio Rank
MACMX Sortino Ratio Rank: 1616
Sortino Ratio Rank
MACMX Omega Ratio Rank: 3434
Omega Ratio Rank
MACMX Calmar Ratio Rank: 2020
Calmar Ratio Rank
MACMX Martin Ratio Rank: 1919
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 BlackRock California Municipal Opportunities Fund (MACMX) and compare them to a chosen benchmark (S&P 500 Index).


MACMXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.56

0.90

-0.33

Sortino ratio

Return per unit of downside risk

0.78

1.39

-0.61

Omega ratio

Gain probability vs. loss probability

1.17

1.21

-0.04

Calmar ratio

Return relative to maximum drawdown

0.64

1.40

-0.76

Martin ratio

Return relative to average drawdown

2.07

6.61

-4.54

Explore MACMX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

BlackRock California Municipal Opportunities Fund provided a 3.70% dividend yield over the last twelve months, with an annual payout of $0.43 per share. The fund has been increasing its distributions for 3 consecutive years.


2.00%2.50%3.00%3.50%4.00%4.50%$0.00$0.10$0.20$0.30$0.40$0.50$0.6020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.43$0.57$0.47$0.32$0.22$0.24$0.26$0.35$0.57$0.41$0.35$0.43

Dividend yield

3.70%4.77%3.93%2.68%1.90%1.80%2.02%2.74%4.60%3.19%2.82%3.43%

Monthly Dividends

The table displays the monthly dividend distributions for BlackRock California Municipal Opportunities Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.04$0.04$0.00$0.08
2025$0.07$0.07$0.07$0.07$0.04$0.04$0.04$0.04$0.04$0.03$0.03$0.04$0.57
2024$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.07$0.07$0.47
2023$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.00$0.03$0.03$0.32
2022$0.02$0.02$0.02$0.03$0.03$0.00$0.00$0.03$0.00$0.03$0.03$0.03$0.22
2021$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.24

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 BlackRock California Municipal Opportunities Fund. 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 BlackRock California Municipal Opportunities Fund was 13.65%, occurring on Oct 26, 2022. Recovery took 526 trading sessions.

The current BlackRock California Municipal Opportunities Fund drawdown is 2.33%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-13.65%Jan 4, 2022206Oct 26, 2022526Nov 29, 2024732
-13.37%Feb 28, 202017Mar 23, 2020200Jan 6, 2021217
-12.86%Sep 12, 200825Oct 16, 200861Jan 14, 200986
-12.6%Feb 1, 1994203Nov 18, 1994106Apr 24, 1995309
-12.35%Dec 4, 2012190Sep 5, 2013227Jul 31, 2014417

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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