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ACITX vs. VTAPX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between ACITX and VTAPX is 0.07, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.


-0.50.00.51.0
Correlation: 0.1

Performance

ACITX vs. VTAPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Inflation-Adjusted Bond Fund (ACITX) and Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares (VTAPX). The values are adjusted to include any dividend payments, if applicable.

15.00%20.00%25.00%30.00%NovemberDecember2025FebruaryMarchApril
19.69%
29.69%
ACITX
VTAPX

Key characteristics

Sharpe Ratio

ACITX:

1.49

VTAPX:

4.03

Sortino Ratio

ACITX:

2.11

VTAPX:

6.49

Omega Ratio

ACITX:

1.27

VTAPX:

1.93

Calmar Ratio

ACITX:

0.60

VTAPX:

8.10

Martin Ratio

ACITX:

4.42

VTAPX:

25.63

Ulcer Index

ACITX:

1.60%

VTAPX:

0.29%

Daily Std Dev

ACITX:

4.74%

VTAPX:

1.84%

Max Drawdown

ACITX:

-15.46%

VTAPX:

-5.33%

Current Drawdown

ACITX:

-5.23%

VTAPX:

-0.00%

Returns By Period

In the year-to-date period, ACITX achieves a 3.68% return, which is significantly higher than VTAPX's 3.49% return. Over the past 10 years, ACITX has underperformed VTAPX with an annualized return of 2.28%, while VTAPX has yielded a comparatively higher 2.77% annualized return.


ACITX

YTD

3.68%

1M

0.66%

6M

2.53%

1Y

7.49%

5Y*

1.50%

10Y*

2.28%

VTAPX

YTD

3.49%

1M

0.99%

6M

3.85%

1Y

7.61%

5Y*

3.97%

10Y*

2.77%

*Annualized

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ACITX vs. VTAPX - Expense Ratio Comparison

ACITX has a 0.46% expense ratio, which is higher than VTAPX's 0.06% expense ratio.


Expense ratio chart for ACITX: current value is 0.46%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
ACITX: 0.46%
Expense ratio chart for VTAPX: current value is 0.06%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
VTAPX: 0.06%

Risk-Adjusted Performance

ACITX vs. VTAPX — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ACITX
The Risk-Adjusted Performance Rank of ACITX is 8383
Overall Rank
The Sharpe Ratio Rank of ACITX is 8787
Sharpe Ratio Rank
The Sortino Ratio Rank of ACITX is 8787
Sortino Ratio Rank
The Omega Ratio Rank of ACITX is 8585
Omega Ratio Rank
The Calmar Ratio Rank of ACITX is 7272
Calmar Ratio Rank
The Martin Ratio Rank of ACITX is 8282
Martin Ratio Rank

VTAPX
The Risk-Adjusted Performance Rank of VTAPX is 9898
Overall Rank
The Sharpe Ratio Rank of VTAPX is 9999
Sharpe Ratio Rank
The Sortino Ratio Rank of VTAPX is 9898
Sortino Ratio Rank
The Omega Ratio Rank of VTAPX is 9898
Omega Ratio Rank
The Calmar Ratio Rank of VTAPX is 9999
Calmar Ratio Rank
The Martin Ratio Rank of VTAPX is 9898
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

ACITX vs. VTAPX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Inflation-Adjusted Bond Fund (ACITX) and Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares (VTAPX). 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.


The chart of Sharpe ratio for ACITX, currently valued at 1.49, compared to the broader market-1.000.001.002.003.00
ACITX: 1.49
VTAPX: 4.03
The chart of Sortino ratio for ACITX, currently valued at 2.11, compared to the broader market-2.000.002.004.006.008.00
ACITX: 2.11
VTAPX: 6.49
The chart of Omega ratio for ACITX, currently valued at 1.27, compared to the broader market0.501.001.502.002.503.00
ACITX: 1.27
VTAPX: 1.93
The chart of Calmar ratio for ACITX, currently valued at 0.60, compared to the broader market0.002.004.006.008.0010.00
ACITX: 0.60
VTAPX: 8.10
The chart of Martin ratio for ACITX, currently valued at 4.42, compared to the broader market0.0010.0020.0030.0040.0050.00
ACITX: 4.42
VTAPX: 25.63

The current ACITX Sharpe Ratio is 1.49, which is lower than the VTAPX Sharpe Ratio of 4.03. The chart below compares the historical Sharpe Ratios of ACITX and VTAPX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.004.00NovemberDecember2025FebruaryMarchApril
1.49
4.03
ACITX
VTAPX

Dividends

ACITX vs. VTAPX - Dividend Comparison

ACITX's dividend yield for the trailing twelve months is around 2.11%, less than VTAPX's 2.73% yield.


TTM20242023202220212020201920182017201620152014
ACITX
American Century Inflation-Adjusted Bond Fund
2.11%2.19%4.44%7.34%4.47%1.16%2.45%4.31%3.47%2.08%0.99%1.89%
VTAPX
Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares
2.73%2.68%2.84%6.82%4.68%1.19%1.94%2.45%1.52%0.76%0.00%0.82%

Drawdowns

ACITX vs. VTAPX - Drawdown Comparison

The maximum ACITX drawdown since its inception was -15.46%, which is greater than VTAPX's maximum drawdown of -5.33%. Use the drawdown chart below to compare losses from any high point for ACITX and VTAPX. For additional features, visit the drawdowns tool.


-8.00%-6.00%-4.00%-2.00%0.00%NovemberDecember2025FebruaryMarchApril
-5.23%
-0.00%
ACITX
VTAPX

Volatility

ACITX vs. VTAPX - Volatility Comparison

American Century Inflation-Adjusted Bond Fund (ACITX) has a higher volatility of 2.44% compared to Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares (VTAPX) at 0.95%. This indicates that ACITX's price experiences larger fluctuations and is considered to be riskier than VTAPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


0.50%1.00%1.50%2.00%2.50%NovemberDecember2025FebruaryMarchApril
2.44%
0.95%
ACITX
VTAPX