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abrdn Ultra Short Municipal Income Fund (ATOIX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US0030223244
CUSIP
003022324
Issuer
Aberdeen
Inception Date
Dec 4, 2002
Min. Investment
$1,000,000
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 abrdn Ultra Short Municipal Income 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

abrdn Ultra Short Municipal Income Fund (ATOIX) has returned 0.35% so far this year and 2.95% over the past 12 months. Over the last ten years, ATOIX has returned 1.73% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


abrdn Ultra Short Municipal Income Fund

1D
0.00%
1M
-0.10%
YTD
0.35%
6M
1.37%
1Y
2.95%
3Y*
3.07%
5Y*
2.17%
10Y*
1.73%

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 Dec 19, 2002, ATOIX's average daily return is +0.01%, while the average monthly return is +0.15%. At this rate, your investment would double in approximately 38.5 years.

Historically, 87% of months were positive and 13% were negative. The best month was Jun 2017 with a return of +1.4%, while the worst month was Jul 2003 at -1.0%. The longest winning streak lasted 45 consecutive months, and the longest losing streak was 2 months.

On a daily basis, ATOIX closed higher 10% of trading days. The best single day was Jun 30, 2017 with a return of +1.4%, while the worst single day was Mar 3, 2008 at -0.6%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.26%0.20%-0.10%0.35%
20250.24%0.23%0.25%0.34%0.25%0.24%0.24%0.22%0.27%0.26%0.24%0.52%3.33%
20240.30%0.30%0.00%0.34%0.33%0.00%0.29%0.32%0.31%0.32%0.29%0.30%3.14%
20230.33%0.27%0.29%0.29%0.31%0.32%0.31%0.00%0.32%0.00%0.33%0.45%3.27%
2022-0.10%0.01%-0.08%-0.07%0.06%0.10%0.00%0.14%0.04%0.20%0.30%0.27%0.87%
20210.02%0.01%0.00%0.01%0.01%0.01%0.00%0.00%0.00%0.00%0.00%-0.10%-0.04%

Benchmark Metrics

abrdn Ultra Short Municipal Income Fund has an annualized alpha of 1.88%, beta of -0.00, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since December 20, 2002.

  • This fund captured 4.19% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -5.29%) — a profile typical of hedging or uncorrelated 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
1.88%
Beta
-0.00
0.00
Upside Capture
4.19%
Downside Capture
-5.29%

Expense Ratio

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


Return for Risk

Risk / Return Rank

ATOIX ranks 100 for risk / return — in the top 100% of mutual funds on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.


ATOIX Risk / Return Rank: 100100
Overall Rank
ATOIX Sharpe Ratio Rank: 9999
Sharpe Ratio Rank
ATOIX Sortino Ratio Rank: 100100
Sortino Ratio Rank
ATOIX Omega Ratio Rank: 100100
Omega Ratio Rank
ATOIX Calmar Ratio Rank: 100100
Calmar Ratio Rank
ATOIX Martin Ratio Rank: 100100
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 abrdn Ultra Short Municipal Income Fund (ATOIX) and compare them to a chosen benchmark (S&P 500 Index).


ATOIXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

3.51

0.90

+2.61

Sortino ratio

Return per unit of downside risk

18.38

1.39

+16.99

Omega ratio

Gain probability vs. loss probability

11.59

1.21

+10.38

Calmar ratio

Return relative to maximum drawdown

32.23

1.40

+30.83

Martin ratio

Return relative to average drawdown

93.42

6.61

+86.81

Explore ATOIX risk-adjusted metrics in detail

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

Dividends

Dividend History

abrdn Ultra Short Municipal Income Fund provided a 2.90% dividend yield over the last twelve months, with an annual payout of $0.29 per share. The fund has been increasing its distributions for 4 consecutive years.


0.00%0.50%1.00%1.50%2.00%2.50%3.00%3.50%$0.00$0.05$0.10$0.15$0.20$0.25$0.30$0.3520152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.29$0.33$0.31$0.30$0.11$0.01$0.09$0.14$0.14$0.22$0.06$0.05

Dividend yield

2.90%3.27%3.09%3.02%1.07%0.06%0.88%1.39%1.42%2.20%0.61%0.52%

Monthly Dividends

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


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.02$0.02$0.00$0.04
2025$0.02$0.02$0.03$0.03$0.02$0.02$0.02$0.02$0.03$0.03$0.02$0.05$0.33
2024$0.03$0.03$0.00$0.03$0.03$0.00$0.03$0.03$0.03$0.03$0.03$0.03$0.31
2023$0.02$0.03$0.03$0.03$0.03$0.03$0.03$0.00$0.03$0.00$0.03$0.04$0.30
2022$0.00$0.00$0.00$0.00$0.01$0.00$0.00$0.01$0.01$0.02$0.02$0.03$0.11
2021$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.01

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 abrdn Ultra Short Municipal Income 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 abrdn Ultra Short Municipal Income Fund was 1.46%, occurring on Aug 14, 2003. Recovery took 110 trading sessions.

The current abrdn Ultra Short Municipal Income Fund drawdown is 0.10%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-1.46%Jun 16, 200343Aug 14, 2003110Jan 22, 2004153
-1.18%Mar 26, 200434May 13, 200463Aug 13, 200497
-0.89%Mar 4, 200314Mar 21, 200325Apr 28, 200339
-0.6%Mar 3, 20081Mar 3, 200833Apr 18, 200834
-0.43%Feb 23, 2021289Apr 13, 2022138Oct 31, 2022427

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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