ACIHX vs. FXAIX
Compare and contrast key facts about American Century Growth Fund G Class (ACIHX) and Fidelity 500 Index Fund (FXAIX).
ACIHX is an actively managed fund by American Century. It was launched on Mar 1, 2022. FXAIX is a passively managed fund by Fidelity that tracks the performance of the S&P 500 Index. It was launched on Feb 17, 1988.
Performance
ACIHX vs. FXAIX - Performance Comparison
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ACIHX vs. FXAIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
ACIHX American Century Growth Fund G Class | -13.30% | 16.26% | 27.35% | 44.64% | -6.24% |
FXAIX Fidelity 500 Index Fund | -7.05% | 17.84% | 25.01% | 26.29% | -3.17% |
Returns By Period
In the year-to-date period, ACIHX achieves a -13.30% return, which is significantly lower than FXAIX's -7.05% return.
ACIHX
- 1D
- -0.39%
- 1M
- -8.72%
- YTD
- -13.30%
- 6M
- -12.27%
- 1Y
- 13.26%
- 3Y*
- 17.20%
- 5Y*
- —
- 10Y*
- —
FXAIX
- 1D
- -0.39%
- 1M
- -7.68%
- YTD
- -7.05%
- 6M
- -4.59%
- 1Y
- 14.42%
- 3Y*
- 17.17%
- 5Y*
- 11.40%
- 10Y*
- 13.75%
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ACIHX vs. FXAIX - Expense Ratio Comparison
ACIHX has a 0.01% expense ratio, which is lower than FXAIX's 0.02% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
ACIHX vs. FXAIX — Risk / Return Rank
ACIHX
FXAIX
ACIHX vs. FXAIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Growth Fund G Class (ACIHX) and Fidelity 500 Index Fund (FXAIX). 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.
| ACIHX | FXAIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.59 | 0.84 | -0.24 |
Sortino ratioReturn per unit of downside risk | 1.02 | 1.30 | -0.28 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.20 | -0.06 |
Calmar ratioReturn relative to maximum drawdown | 0.63 | 1.05 | -0.42 |
Martin ratioReturn relative to average drawdown | 2.21 | 5.13 | -2.92 |
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
| ACIHX | FXAIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.59 | 0.84 | -0.24 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.68 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.77 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.73 | 0.75 | -0.02 |
Correlation
The correlation between ACIHX and FXAIX is 0.94, 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
ACIHX vs. FXAIX - Dividend Comparison
ACIHX's dividend yield for the trailing twelve months is around 18.39%, more than FXAIX's 1.20% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACIHX American Century Growth Fund G Class | 18.39% | 15.95% | 5.65% | 4.61% | 2.86% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
FXAIX Fidelity 500 Index Fund | 1.20% | 1.11% | 1.25% | 1.45% | 1.69% | 1.22% | 1.60% | 2.06% | 2.72% | 1.97% | 2.52% | 2.83% |
Drawdowns
ACIHX vs. FXAIX - Drawdown Comparison
The maximum ACIHX drawdown since its inception was -24.00%, smaller than the maximum FXAIX drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for ACIHX and FXAIX.
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Drawdown Indicators
| ACIHX | FXAIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -24.00% | -33.79% | +9.79% |
Max Drawdown (1Y)Largest decline over 1 year | -16.40% | -12.13% | -4.27% |
Max Drawdown (5Y)Largest decline over 5 years | — | -24.50% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.79% | — |
Current DrawdownCurrent decline from peak | -16.40% | -8.89% | -7.51% |
Average DrawdownAverage peak-to-trough decline | -4.95% | -3.83% | -1.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.68% | 2.50% | +2.18% |
Volatility
ACIHX vs. FXAIX - Volatility Comparison
American Century Growth Fund G Class (ACIHX) has a higher volatility of 5.43% compared to Fidelity 500 Index Fund (FXAIX) at 4.24%. This indicates that ACIHX's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACIHX | FXAIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.43% | 4.24% | +1.19% |
Volatility (6M)Calculated over the trailing 6-month period | 12.03% | 9.08% | +2.95% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.42% | 18.13% | +4.29% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.21% | 16.88% | +4.33% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.21% | 18.03% | +3.18% |