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ISIN
US0250817048
CUSIP
025081704
Inception Date
Feb 9, 1997
Min. Investment
$2,500
Distribution Policy
Distributing
Asset Class
Bond
Assets Under Management
$2B

Share Price Chart


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Performance

ACITX Performance Chart

American Century Inflation-Adjusted Bond Fund (ACITX) is up 1.2% since the beginning of the year. ACITX is currently trading at $11 per share. Investors who bought $1,000 worth of ACITX shares 5 years ago would now be looking at an investment worth $1,043.


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S&P 500 Index

Returns By Period

American Century Inflation-Adjusted Bond Fund (ACITX) has returned 1.24% so far this year and 3.98% over the past 12 months. Over the last ten years, ACITX has returned 2.63% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


American Century Inflation-Adjusted Bond Fund

1D
0.29%
1M
0.29%
YTD
1.24%
6M
1.33%
1Y
3.98%
3Y*
3.60%
5Y*
0.84%
10Y*
2.63%

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)

ACITX Monthly Returns History

Based on dividend-adjusted daily data since Feb 10, 1997, ACITX's average daily return is +0.02%, while the average monthly return is +0.36%. At this rate, an investment would double in approximately 16.1 years.

Historically, 65% of months were positive and 35% were negative. The best month was Dec 2008 with a return of +5.9%, while the worst month was Oct 2008 at -7.6%. The longest winning streak lasted 12 consecutive months, and the longest losing streak was 4 months.

On a daily basis, ACITX closed higher 45% of trading days. The best single day was Mar 20, 2020 with a return of +3.6%, while the worst single day was Mar 17, 2020 at -3.2%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.47%1.22%-1.40%1.23%0.28%-0.55%1.24%
20251.35%2.10%0.65%0.09%-0.65%0.99%0.09%1.60%0.46%0.28%0.09%-0.55%6.68%
20240.29%-1.15%0.78%-1.73%1.76%0.79%1.73%0.85%1.50%-1.93%0.56%-1.66%1.68%
20232.19%-1.49%2.93%0.09%-1.47%-0.54%0.00%-0.95%-2.10%-0.98%2.96%2.67%3.17%
2022-2.10%0.95%-1.49%-2.15%-1.14%-3.36%4.09%-2.59%-6.78%1.10%1.91%-1.13%-12.37%
20210.40%-1.57%-0.08%1.60%1.10%0.57%2.66%-0.08%-0.61%1.15%0.91%0.21%6.38%

Benchmark Metrics

American Century Inflation-Adjusted Bond Fund has an annualized alpha of 4.84%, beta of -0.04, and R2 of 0.02 versus S&P 500 Index. Calculated based on daily prices since February 10, 1997.

  • This fund captured 11.56% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -5.43%) - a profile typical of hedging or uncorrelated assets.
  • Beta of -0.04 may look defensive, but with R2 of 0.02 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 0.02 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
4.84%
Beta
-0.04
0.02
Upside Capture
11.56%
Downside Capture
-5.43%

Expense Ratio

ACITX has an expense ratio of 0.46%, placing it in the medium range.


Return for Risk

Risk / Return Rank

ACITX 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.


ACITX Risk / Return Rank: 2727
Overall Rank
ACITX Sharpe Ratio Rank: 2323
Sharpe Ratio Rank
ACITX Sortino Ratio Rank: 2525
Sortino Ratio Rank
ACITX Omega Ratio Rank: 2323
Omega Ratio Rank
ACITX Calmar Ratio Rank: 3333
Calmar Ratio Rank
ACITX Martin Ratio Rank: 3030
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 Inflation-Adjusted Bond Fund (ACITX) 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.


ACITXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.73

Sortino ratioReturn per unit of downside risk

-0.79

Omega ratioGain probability vs. loss probability

1.23

1.37

-0.13

Calmar ratioReturn relative to maximum drawdown

2.05

2.78

-0.74

Martin ratioReturn relative to average drawdown

6.46

12.44

-5.98

Dividends

Dividend History

American Century Inflation-Adjusted Bond Fund provided a 6.03% dividend yield over the last twelve months, with an annual payout of $0.63 per share.


1.00%2.00%3.00%4.00%5.00%6.00%7.00%$0.00$0.20$0.40$0.60$0.8020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.63$0.45$0.23$0.46$0.77$0.58$0.15$0.28$0.48$0.40$0.26$0.11

Dividend yield

6.03%4.30%2.19%4.44%7.34%4.47%1.16%2.45%4.31%3.47%2.27%0.99%

Monthly Dividends

The table displays the monthly dividend distributions for American Century Inflation-Adjusted Bond 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$0.18$0.18
2025$0.00$0.00$0.00$0.00$0.00$0.22$0.00$0.00$0.00$0.00$0.00$0.23$0.45
2024$0.00$0.00$0.00$0.00$0.00$0.03$0.00$0.00$0.00$0.00$0.00$0.19$0.23
2023$0.00$0.00$0.00$0.00$0.00$0.12$0.00$0.00$0.00$0.00$0.00$0.34$0.46
2022$0.00$0.00$0.00$0.00$0.00$0.22$0.00$0.00$0.00$0.00$0.00$0.55$0.77
2021$0.00$0.00$0.00$0.00$0.00$0.14$0.00$0.00$0.00$0.00$0.00$0.43$0.58

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 Inflation-Adjusted Bond 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 Inflation-Adjusted Bond Fund was 15.50%, occurring on Oct 6, 2023. The portfolio has not yet recovered.

The current American Century Inflation-Adjusted Bond Fund drawdown is 1.34%.


Related event

Drawdown

Fall

Recovery

Underwater

2023 correction2023
-15.50%Oct 2023
1y 7mo
4y 3moMar 2022 - now
Financial crisis2007–2009
-14.40%Nov 2008
8mo 18d10mo 11d
1y 6moMar 2008 - Oct 2009
2013 correction2013
-11.35%Sep 2013
8mo 28d5y 6mo
6y 3moDec 2012 - Mar 2019
COVID crash2020
-10.26%Mar 2020
10d3mo 6d
3mo 16dMar 2020 - Jun 2020
2003 pullback2003
-7.57%Aug 2003
1mo 20d5mo 20d
7mo 10dJun 2003 - Jan 2004

Drawdown Indicators


ACITXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-15.50%

-56.78%

+41.28%

Max Drawdown (1Y)

Largest decline over 1 year

-2.05%

-9.10%

+7.05%

Max Drawdown (3Y)

Largest decline over 3 years

-5.08%

-18.90%

+13.82%

Max Drawdown (5Y)

Largest decline over 5 years

-15.50%

-25.43%

+9.93%

Max Drawdown (10Y)

Largest decline over 10 years

-15.50%

-33.92%

+18.42%

Current Drawdown

Current decline from peak

-1.34%

-1.80%

+0.46%

Average Drawdown

Average peak-to-trough decline

-3.23%

-10.71%

+7.48%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.65%

2.03%

-1.38%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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