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American Century High-Yield Municipal Fund (ABHYX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US0249348048
CUSIP
024934804
Inception Date
Mar 30, 1998
Min. Investment
$2,500
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 American Century High-Yield Municipal 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

American Century High-Yield Municipal Fund (ABHYX) has returned -0.65% so far this year and 3.29% over the past 12 months. Over the last ten years, ABHYX has returned 2.81% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


American Century High-Yield Municipal Fund

1D
0.23%
1M
-2.93%
YTD
-0.65%
6M
0.91%
1Y
3.29%
3Y*
4.29%
5Y*
0.83%
10Y*
2.81%

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 Mar 31, 1998, ABHYX's average daily return is +0.02%, while the average monthly return is +0.35%. At this rate, your investment would double in approximately 16.5 years.

Historically, 69% of months were positive and 31% were negative. The best month was Sep 2009 with a return of +8.7%, while the worst month was Mar 2020 at -9.3%. The longest winning streak lasted 14 consecutive months, and the longest losing streak was 4 months.

On a daily basis, ABHYX closed higher 34% of trading days. The best single day was Mar 25, 2020 with a return of +3.9%, while the worst single day was Mar 19, 2020 at -4.4%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.60%1.74%-2.93%-0.65%
20250.35%1.26%-1.77%-1.09%-0.05%0.61%-1.03%0.62%3.34%1.18%0.48%-0.09%3.77%
20240.57%0.59%0.69%-1.35%0.61%2.17%1.03%0.71%1.44%-1.30%2.09%-1.18%6.16%
20233.67%-2.93%1.52%0.32%-0.82%1.28%-0.03%-1.39%-3.27%-2.20%7.01%3.07%5.90%
2022-2.51%-0.75%-3.38%-3.29%1.37%-3.33%3.11%-2.39%-5.87%-2.03%5.17%-0.45%-13.90%
20211.49%-1.00%0.66%1.56%1.01%1.01%0.91%-0.35%-0.92%-0.25%1.12%0.27%5.61%

Benchmark Metrics

American Century High-Yield Municipal Fund has an annualized alpha of 4.20%, beta of -0.00, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since April 01, 1998.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (15.60%) than losses (2.84%) — 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
4.20%
Beta
-0.00
0.00
Upside Capture
15.60%
Downside Capture
2.84%

Expense Ratio

ABHYX has an expense ratio of 0.59%, placing it in the medium range.


Return for Risk

Risk / Return Rank

ABHYX ranks 25 for risk / return — below 25% 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.


ABHYX Risk / Return Rank: 2525
Overall Rank
ABHYX Sharpe Ratio Rank: 2525
Sharpe Ratio Rank
ABHYX Sortino Ratio Rank: 2020
Sortino Ratio Rank
ABHYX Omega Ratio Rank: 3838
Omega Ratio Rank
ABHYX Calmar Ratio Rank: 2323
Calmar Ratio Rank
ABHYX Martin Ratio Rank: 2020
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 American Century High-Yield Municipal Fund (ABHYX) and compare them to a chosen benchmark (S&P 500 Index).


ABHYXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.65

0.90

-0.24

Sortino ratio

Return per unit of downside risk

0.90

1.39

-0.48

Omega ratio

Gain probability vs. loss probability

1.18

1.21

-0.03

Calmar ratio

Return relative to maximum drawdown

0.72

1.40

-0.68

Martin ratio

Return relative to average drawdown

2.20

6.61

-4.41

Explore ABHYX risk-adjusted metrics in detail

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

Dividends

Dividend History

American Century High-Yield Municipal Fund provided a 4.84% dividend yield over the last twelve months, with an annual payout of $0.42 per share. The fund has been increasing its distributions for 3 consecutive years.


3.00%3.50%4.00%4.50%5.00%$0.00$0.10$0.20$0.30$0.4020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.42$0.45$0.44$0.35$0.24$0.36$0.34$0.41$0.37$0.35$0.33$0.37

Dividend yield

4.84%5.11%4.96%4.02%2.77%3.50%3.35%4.08%3.90%3.61%3.61%3.91%

Monthly Dividends

The table displays the monthly dividend distributions for American Century High-Yield 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$0.00$0.06
2025$0.03$0.03$0.03$0.06$0.07$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.45
2024$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.07$0.06$0.44
2023$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.35
2022$0.02$0.03$0.03$0.03$0.03$0.00$0.00$0.03$0.00$0.03$0.03$0.03$0.24
2021$0.00$0.03$0.03$0.03$0.02$0.03$0.03$0.02$0.02$0.02$0.03$0.11$0.36

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 American Century High-Yield 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 American Century High-Yield Municipal Fund was 26.34%, occurring on Dec 17, 2008. Recovery took 449 trading sessions.

The current American Century High-Yield Municipal Fund drawdown is 2.93%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-26.34%May 9, 2007408Dec 17, 2008449Sep 30, 2010857
-18.54%Aug 6, 2021308Oct 25, 2022759Nov 4, 20251067
-16.2%Mar 3, 202014Mar 20, 2020187Dec 15, 2020201
-9.44%May 3, 201387Sep 5, 2013233Aug 8, 2014320
-8.18%Oct 26, 201058Jan 18, 2011134Jul 29, 2011192

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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