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ISIN
US02507H5028
CUSIP
02507H502
Inception Date
May 31, 2006
Min. Investment
$2,500
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Large-Cap
Asset Class Style
Growth
Assets Under Management
$2B

Share Price Chart


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Performance

ACFOX Performance Chart

American Century Investments Focused Dynamic Growth Fund (ACFOX) is up 5.9% since the beginning of the year. ACFOX is currently trading at $82 per share. Investors who bought $1,000 worth of ACFOX shares 5 years ago would now be looking at an investment worth $1,587.


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S&P 500 Index

Returns By Period

American Century Investments Focused Dynamic Growth Fund (ACFOX) has returned 5.91% so far this year and 29.60% over the past 12 months. Looking at the last ten years, ACFOX has achieved an annualized return of 19.22%, outperforming the S&P 500 Index benchmark, which averaged 13.88% per year.


American Century Investments Focused Dynamic Growth Fund

1D
1.86%
1M
-2.05%
YTD
5.91%
6M
4.50%
1Y
29.60%
3Y*
25.36%
5Y*
9.68%
10Y*
19.22%

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)

ACFOX Monthly Returns History

Based on dividend-adjusted daily data since May 31, 2006, ACFOX's average daily return is +0.06%, while the average monthly return is +1.12%. At this rate, an investment would double in approximately 5.2 years.

Historically, 62% of months were positive and 38% were negative. The best month was Apr 2020 with a return of +16.7%, while the worst month was Apr 2022 at -15.4%. The longest winning streak lasted 11 consecutive months, and the longest losing streak was 6 months.

On a daily basis, ACFOX closed higher 54% of trading days. The best single day was Apr 9, 2025 with a return of +12.4%, while the worst single day was Mar 16, 2020 at -12.2%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026-0.41%-5.67%-4.47%14.35%7.10%-3.63%5.91%
20252.87%-8.38%-8.53%3.56%9.47%6.50%3.88%1.63%4.58%6.91%-4.28%2.48%20.51%
20241.88%8.31%3.57%-3.58%5.21%7.87%-2.05%0.54%3.72%0.71%10.43%0.86%43.30%
202311.34%-3.75%5.38%-1.49%7.18%5.68%4.69%-1.49%-6.59%-4.68%9.95%6.63%35.66%
2022-11.99%-2.72%4.31%-15.44%-5.53%-8.78%13.98%-3.56%-9.20%3.21%3.46%-8.20%-36.32%
2021-0.04%1.34%-1.53%7.38%-5.43%7.83%1.52%4.72%-5.63%6.54%-5.19%-3.28%7.08%

Benchmark Metrics

American Century Investments Focused Dynamic Growth Fund has an annualized alpha of 3.46%, beta of 1.00, and R2 of 0.79 versus S&P 500 Index. Calculated based on daily prices since May 31, 2006.

  • This fund captured 114.39% of S&P 500 Index gains and 100.48% of its losses - amplifying both gains and losses, but participating more in upside than downside.
  • This fund generated an annualized alpha of 3.46% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
  • With beta of 1.00 and R2 of 0.79, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.

Alpha
3.46%
Beta
1.00
0.79
Upside Capture
114.39%
Downside Capture
100.48%

Expense Ratio

ACFOX has an expense ratio of 0.85%, placing it in the medium range.


Return for Risk

Risk / Return Rank

ACFOX ranks 27 for risk / return — below 27% 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.


ACFOX Risk / Return Rank: 2727
Overall Rank
ACFOX Sharpe Ratio Rank: 3030
Sharpe Ratio Rank
ACFOX Sortino Ratio Rank: 2626
Sortino Ratio Rank
ACFOX Omega Ratio Rank: 2727
Omega Ratio Rank
ACFOX Calmar Ratio Rank: 2525
Calmar Ratio Rank
ACFOX Martin Ratio Rank: 2727
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 Investments Focused Dynamic Growth Fund (ACFOX) 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.


ACFOXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.58

Sortino ratioReturn per unit of downside risk

-0.77

Omega ratioGain probability vs. loss probability

1.25

1.37

-0.11

Calmar ratioReturn relative to maximum drawdown

1.76

2.78

-1.03

Martin ratioReturn relative to average drawdown

6.02

12.44

-6.42

Dividends

Dividend History

American Century Investments Focused Dynamic Growth Fund provided a 7.13% dividend yield over the last twelve months, with an annual payout of $5.87 per share.


0.00%2.00%4.00%6.00%8.00%$0.00$1.00$2.00$3.00$4.00$5.00$6.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$5.87$5.87$0.00$0.00$0.00$1.39$0.33$0.00$0.00$0.00$0.19$0.21

Dividend yield

7.13%7.56%0.00%0.00%0.00%2.48%0.62%0.00%0.00%0.00%1.15%1.33%

Monthly Dividends

The table displays the monthly dividend distributions for American Century Investments Focused Dynamic Growth Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.00$0.00$0.00$0.00$0.00
2025$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$5.87$5.87
2024$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00
2023$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00
2022$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00
2021$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$1.39$1.39

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 Investments Focused Dynamic Growth 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 Investments Focused Dynamic Growth Fund was 58.92%, occurring on Mar 5, 2009. Recovery took 1183 trading sessions.

The current American Century Investments Focused Dynamic Growth Fund drawdown is 4.11%.


Related event

Drawdown

Fall

Recovery

Underwater

Financial crisis2007–2009
-58.92%Mar 2009
1y 2mo4y 8mo
5y 10moDec 2007 - Nov 2013
Bear market2022
-43.77%Oct 2022
11mo 9d1y 8mo
2y 7moNov 2021 - Jul 2024
COVID crash2020
-32.07%Mar 2020
25d2mo 5d
3moFeb 2020 - May 2020
2025 selloff2025
-27.03%Apr 2025
2mo 14d3mo 9d
5mo 23dJan 2025 - Jul 2025
Rate-hike selloffLate 2018
-23.26%Dec 2018
2mo 27d3mo 10d
6mo 7dSep 2018 - Apr 2019

Drawdown Indicators


ACFOXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-58.92%

-56.78%

-2.14%

Max Drawdown (1Y)

Largest decline over 1 year

-16.52%

-9.10%

-7.42%

Max Drawdown (3Y)

Largest decline over 3 years

-27.03%

-18.90%

-8.13%

Max Drawdown (5Y)

Largest decline over 5 years

-43.77%

-25.43%

-18.34%

Max Drawdown (10Y)

Largest decline over 10 years

-43.77%

-33.92%

-9.85%

Current Drawdown

Current decline from peak

-4.11%

-1.80%

-2.31%

Average Drawdown

Average peak-to-trough decline

-14.68%

-10.71%

-3.97%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.81%

2.03%

+2.78%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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