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ISIN
US9268268276
CUSIP
926826827
Inception Date
Sep 24, 1996
Min. Investment
$1,000
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

OKMUX Performance Chart

Oklahoma Municipal Fund (OKMUX) is up 1.5% since the beginning of the year. OKMUX is currently trading at $11 per share. Investors who bought $1,000 worth of OKMUX shares 5 years ago would now be looking at an investment worth $998.


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S&P 500 Index

Returns By Period

Oklahoma Municipal Fund (OKMUX) has returned 1.52% so far this year and 7.34% over the past 12 months. Over the last ten years, OKMUX has returned 1.05% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


Oklahoma Municipal Fund

1D
0.00%
1M
1.42%
YTD
1.52%
6M
1.91%
1Y
7.34%
3Y*
3.12%
5Y*
-0.04%
10Y*
1.05%

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)

OKMUX Monthly Returns History

Based on dividend-adjusted daily data since Sep 25, 1996, OKMUX's average daily return is +0.01%, while the average monthly return is +0.20%. At this rate, an investment would double in approximately 28.9 years.

Historically, 62% of months were positive and 38% were negative. The best month was Nov 2023 with a return of +7.2%, while the worst month was Feb 2008 at -6.3%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 5 months.

On a daily basis, OKMUX closed higher 35% of trading days. The best single day was Apr 10, 2025 with a return of +3.7%, while the worst single day was Mar 19, 2020 at -2.7%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.94%0.99%-2.25%1.32%0.27%0.28%1.52%
20250.38%1.19%-2.01%-0.32%-0.22%0.46%-0.51%0.88%2.62%1.62%0.46%0.19%4.78%
2024-0.24%-0.07%-0.22%-1.45%-1.14%2.05%0.64%0.92%0.82%-1.88%1.88%-1.70%-0.51%
20232.74%-2.24%1.99%-0.28%-1.21%0.66%0.48%-1.79%-2.87%-1.29%7.21%1.83%4.94%
2022-2.96%-0.50%-3.25%-3.00%1.44%-2.03%2.58%-2.47%-4.66%-0.72%4.63%0.09%-10.69%
20210.14%-2.03%0.55%1.04%0.45%0.03%1.03%-0.54%-0.71%-0.33%1.21%0.11%0.90%

Benchmark Metrics

Oklahoma Municipal Fund has an annualized alpha of 2.48%, beta of -0.01, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since September 25, 1996.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (9.57%) than losses (4.37%) - typical of diversified or defensive assets.
  • Beta of -0.01 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
2.48%
Beta
-0.01
0.00
Upside Capture
9.57%
Downside Capture
4.37%

Expense Ratio

OKMUX has a high expense ratio of 0.98%, indicating above-average management fees.


Return for Risk

Risk / Return Rank

OKMUX ranks 76 for risk / return — better than 76% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.


OKMUX Risk / Return Rank: 7676
Overall Rank
OKMUX Sharpe Ratio Rank: 9292
Sharpe Ratio Rank
OKMUX Sortino Ratio Rank: 9494
Sortino Ratio Rank
OKMUX Omega Ratio Rank: 9797
Omega Ratio Rank
OKMUX Calmar Ratio Rank: 4949
Calmar Ratio Rank
OKMUX Martin Ratio Rank: 4949
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 Oklahoma Municipal Fund (OKMUX) 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.


OKMUXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

+0.82

Sortino ratioReturn per unit of downside risk

+1.77

Omega ratioGain probability vs. loss probability

1.90

1.37

+0.53

Calmar ratioReturn relative to maximum drawdown

2.56

2.78

-0.23

Martin ratioReturn relative to average drawdown

9.53

12.44

-2.90

Dividends

Dividend History

Oklahoma Municipal Fund provided a 3.20% dividend yield over the last twelve months, with an annual payout of $0.34 per share. The fund has been increasing its distributions for 4 consecutive years.


1.50%2.00%2.50%3.00%$0.00$0.05$0.10$0.15$0.20$0.25$0.30$0.3520152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.34$0.34$0.31$0.25$0.20$0.17$0.21$0.30$0.28$0.29$0.28$0.26

Dividend yield

3.20%3.18%3.01%2.32%1.85%1.39%1.73%2.55%2.41%2.47%2.43%2.22%

Monthly Dividends

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


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.03$0.03$0.03$0.03$0.03$0.00$0.14
2025$0.00$0.05$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.34
2024$0.02$0.02$0.03$0.03$0.00$0.05$0.03$0.03$0.03$0.03$0.03$0.03$0.31
2023$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.00$0.05$0.03$0.25
2022$0.01$0.01$0.01$0.01$0.02$0.02$0.02$0.02$0.00$0.04$0.02$0.02$0.20
2021$0.02$0.01$0.02$0.01$0.01$0.01$0.01$0.01$0.01$0.00$0.02$0.01$0.17

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 Oklahoma Municipal 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 Oklahoma Municipal Fund was 16.68%, occurring on Dec 11, 2008. Recovery took 423 trading sessions.

The current Oklahoma Municipal Fund drawdown is 1.21%.


Related event

Drawdown

Fall

Recovery

Underwater

Financial crisis2007–2009
-16.68%Dec 2008
10mo 22d1y 8mo
2y 6moJan 2008 - Aug 2010
Bear market2022
-15.39%Oct 2022
1y 3mo
4y 11moJul 2021 - now
COVID crash2020
-9.91%Mar 2020
13d4mo 16d
4mo 29dMar 2020 - Aug 2020
2011 pullback2011
-8.03%Jan 2011
4mo 15d6mo 26d
11mo 11dSep 2010 - Aug 2011
2013 pullback2013
-7.36%Aug 2013
8mo 26d9mo 7d
1y 5moDec 2012 - May 2014

Drawdown Indicators


OKMUXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-16.68%

-56.78%

+40.10%

Max Drawdown (1Y)

Largest decline over 1 year

-2.88%

-9.10%

+6.22%

Max Drawdown (3Y)

Largest decline over 3 years

-6.81%

-18.90%

+12.09%

Max Drawdown (5Y)

Largest decline over 5 years

-15.39%

-25.43%

+10.04%

Max Drawdown (10Y)

Largest decline over 10 years

-15.39%

-33.92%

+18.53%

Current Drawdown

Current decline from peak

-1.21%

-1.80%

+0.59%

Average Drawdown

Average peak-to-trough decline

-2.52%

-10.71%

+8.19%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.77%

2.03%

-1.26%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with OKMUX

Add Oklahoma Municipal Fund to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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