ACITX vs. FIPDX
Compare and contrast key facts about American Century Inflation-Adjusted Bond Fund (ACITX) and Fidelity Inflation-Protected Bond Index Fund (FIPDX).
ACITX is managed by American Century. It was launched on Feb 9, 1997. FIPDX is managed by Fidelity. It was launched on May 16, 2012.
Performance
ACITX vs. FIPDX - Performance Comparison
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ACITX vs. FIPDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACITX American Century Inflation-Adjusted Bond Fund | 0.28% | 6.68% | 1.68% | 3.17% | -12.37% | 6.38% | 10.28% | 7.85% | -1.21% | 4.47% |
FIPDX Fidelity Inflation-Protected Bond Index Fund | 0.33% | 6.90% | 2.00% | 3.77% | -12.09% | 5.94% | 10.90% | 8.32% | -1.37% | 2.98% |
Returns By Period
In the year-to-date period, ACITX achieves a 0.28% return, which is significantly lower than FIPDX's 0.33% return. Both investments have delivered pretty close results over the past 10 years, with ACITX having a 2.56% annualized return and FIPDX not far ahead at 2.58%.
ACITX
- 1D
- 0.66%
- 1M
- -1.40%
- YTD
- 0.28%
- 6M
- 0.10%
- 1Y
- 2.71%
- 3Y*
- 2.70%
- 5Y*
- 1.16%
- 10Y*
- 2.56%
FIPDX
- 1D
- 0.55%
- 1M
- -1.40%
- YTD
- 0.33%
- 6M
- 0.37%
- 1Y
- 2.97%
- 3Y*
- 3.15%
- 5Y*
- 1.44%
- 10Y*
- 2.58%
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ACITX vs. FIPDX - Expense Ratio Comparison
ACITX has a 0.46% expense ratio, which is higher than FIPDX's 0.05% expense ratio.
Return for Risk
ACITX vs. FIPDX — Risk / Return Rank
ACITX
FIPDX
ACITX vs. FIPDX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Inflation-Adjusted Bond Fund (ACITX) and Fidelity Inflation-Protected Bond Index Fund (FIPDX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| ACITX | FIPDX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.76 | 0.83 | -0.07 |
Sortino ratioReturn per unit of downside risk | 1.07 | 1.17 | -0.10 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.15 | -0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.21 | 1.37 | -0.17 |
Martin ratioReturn relative to average drawdown | 3.87 | 4.30 | -0.43 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ACITX | FIPDX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.76 | 0.83 | -0.07 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.19 | 0.24 | -0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.47 | 0.48 | -0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.75 | 0.40 | +0.35 |
Correlation
The correlation between ACITX and FIPDX is 0.96, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
ACITX vs. FIPDX - Dividend Comparison
ACITX's dividend yield for the trailing twelve months is around 4.29%, more than FIPDX's 4.16% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACITX American Century Inflation-Adjusted Bond Fund | 4.29% | 4.30% | 2.19% | 4.44% | 7.34% | 4.47% | 1.16% | 2.45% | 4.31% | 3.47% | 2.27% | 0.99% |
FIPDX Fidelity Inflation-Protected Bond Index Fund | 4.16% | 4.18% | 3.75% | 3.56% | 8.87% | 4.76% | 1.24% | 1.97% | 2.26% | 1.29% | 1.34% | 0.38% |
Drawdowns
ACITX vs. FIPDX - Drawdown Comparison
The maximum ACITX drawdown since its inception was -15.50%, which is greater than FIPDX's maximum drawdown of -14.32%. Use the drawdown chart below to compare losses from any high point for ACITX and FIPDX.
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Drawdown Indicators
| ACITX | FIPDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.50% | -14.32% | -1.18% |
Max Drawdown (1Y)Largest decline over 1 year | -3.05% | -2.90% | -0.15% |
Max Drawdown (5Y)Largest decline over 5 years | -15.50% | -14.32% | -1.18% |
Max Drawdown (10Y)Largest decline over 10 years | -15.50% | -14.32% | -1.18% |
Current DrawdownCurrent decline from peak | -2.27% | -1.40% | -0.87% |
Average DrawdownAverage peak-to-trough decline | -3.25% | -4.52% | +1.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.95% | 0.92% | +0.03% |
Volatility
ACITX vs. FIPDX - Volatility Comparison
American Century Inflation-Adjusted Bond Fund (ACITX) and Fidelity Inflation-Protected Bond Index Fund (FIPDX) have volatilities of 1.39% and 1.37%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACITX | FIPDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.39% | 1.37% | +0.02% |
Volatility (6M)Calculated over the trailing 6-month period | 2.22% | 2.35% | -0.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.08% | 4.13% | -0.05% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.15% | 5.99% | +0.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.52% | 5.38% | +0.14% |