- ISIN
- US0250817048
- CUSIP
- 025081704
- Issuer
- American Century
- Inception Date
- Feb 9, 1997
- Category
- Inflation-Protected Bonds
- 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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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%
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%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.47% | 1.22% | -1.40% | 1.23% | 0.28% | -0.55% | 1.24% | ||||||
| 2025 | 1.35% | 2.10% | 0.65% | 0.09% | -0.65% | 0.99% | 0.09% | 1.60% | 0.46% | 0.28% | 0.09% | -0.55% | 6.68% |
| 2024 | 0.29% | -1.15% | 0.78% | -1.73% | 1.76% | 0.79% | 1.73% | 0.85% | 1.50% | -1.93% | 0.56% | -1.66% | 1.68% |
| 2023 | 2.19% | -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% |
| 2021 | 0.40% | -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
- R²
- 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.
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.
| ACITX | Benchmark | Difference | |
|---|---|---|---|
| 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.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 18d | 10mo 11d | 1y 6moMar 2008 - Oct 2009 |
2013 correction2013 | -11.35%Sep 2013 | 8mo 28d | 5y 6mo | 6y 3moDec 2012 - Mar 2019 |
COVID crash2020 | -10.26%Mar 2020 | 10d | 3mo 6d | 3mo 16dMar 2020 - Jun 2020 |
2003 pullback2003 | -7.57%Aug 2003 | 1mo 20d | 5mo 20d | 7mo 10dJun 2003 - Jan 2004 |
Drawdown Indicators
| ACITX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest 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 DrawdownCurrent decline from peak | -1.34% | -1.80% | +0.46% |
Average DrawdownAverage peak-to-trough decline | -3.23% | -10.71% | +7.48% |
Ulcer IndexDepth 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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