ACIIX vs. RIDAX
Compare and contrast key facts about American Century Equity Income Fund Class I (ACIIX) and The Income Fund of America Class R-1 (RIDAX).
ACIIX is managed by American Century. It was launched on Jul 8, 1998. RIDAX is an actively managed fund by American Funds. It was launched on Dec 1, 1973.
Performance
ACIIX vs. RIDAX - Performance Comparison
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ACIIX vs. RIDAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACIIX American Century Equity Income Fund Class I | 3.68% | 12.05% | 10.58% | 4.25% | -2.96% | 17.16% | 1.19% | 24.50% | -3.53% | 13.69% |
RIDAX The Income Fund of America Class R-1 | 1.29% | 16.83% | 9.49% | 6.16% | -7.14% | 16.47% | 3.68% | 17.57% | -6.06% | 11.86% |
Returns By Period
In the year-to-date period, ACIIX achieves a 3.68% return, which is significantly higher than RIDAX's 1.29% return. Over the past 10 years, ACIIX has outperformed RIDAX with an annualized return of 8.99%, while RIDAX has yielded a comparatively lower 7.35% annualized return.
ACIIX
- 1D
- 0.92%
- 1M
- -4.65%
- YTD
- 3.68%
- 6M
- 5.70%
- 1Y
- 11.45%
- 3Y*
- 10.04%
- 5Y*
- 7.60%
- 10Y*
- 8.99%
RIDAX
- 1D
- 0.23%
- 1M
- -5.77%
- YTD
- 1.29%
- 6M
- 3.84%
- 1Y
- 13.29%
- 3Y*
- 10.98%
- 5Y*
- 7.05%
- 10Y*
- 7.35%
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ACIIX vs. RIDAX - Expense Ratio Comparison
ACIIX has a 0.72% expense ratio, which is lower than RIDAX's 1.36% expense ratio.
Return for Risk
ACIIX vs. RIDAX — Risk / Return Rank
ACIIX
RIDAX
ACIIX vs. RIDAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Equity Income Fund Class I (ACIIX) and The Income Fund of America Class R-1 (RIDAX). 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.
| ACIIX | RIDAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.95 | 1.46 | -0.51 |
Sortino ratioReturn per unit of downside risk | 1.37 | 2.01 | -0.64 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.30 | -0.11 |
Calmar ratioReturn relative to maximum drawdown | 1.29 | 1.58 | -0.29 |
Martin ratioReturn relative to average drawdown | 5.04 | 7.44 | -2.40 |
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
| ACIIX | RIDAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.95 | 1.46 | -0.51 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.71 | 0.75 | -0.04 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.67 | 0.69 | -0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.53 | 0.67 | -0.14 |
Correlation
The correlation between ACIIX and RIDAX is 0.91, 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
ACIIX vs. RIDAX - Dividend Comparison
ACIIX's dividend yield for the trailing twelve months is around 10.19%, more than RIDAX's 9.14% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACIIX American Century Equity Income Fund Class I | 10.19% | 10.55% | 11.71% | 8.21% | 8.96% | 7.02% | 2.18% | 7.57% | 9.05% | 12.14% | 8.08% | 10.72% |
RIDAX The Income Fund of America Class R-1 | 9.14% | 9.24% | 5.14% | 2.38% | 6.20% | 5.92% | 2.09% | 4.25% | 6.58% | 3.68% | 2.32% | 4.26% |
Drawdowns
ACIIX vs. RIDAX - Drawdown Comparison
The maximum ACIIX drawdown since its inception was -39.16%, smaller than the maximum RIDAX drawdown of -42.37%. Use the drawdown chart below to compare losses from any high point for ACIIX and RIDAX.
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Drawdown Indicators
| ACIIX | RIDAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.16% | -42.37% | +3.21% |
Max Drawdown (1Y)Largest decline over 1 year | -8.96% | -8.25% | -0.71% |
Max Drawdown (5Y)Largest decline over 5 years | -13.49% | -16.28% | +2.79% |
Max Drawdown (10Y)Largest decline over 10 years | -32.76% | -26.22% | -6.54% |
Current DrawdownCurrent decline from peak | -4.86% | -5.77% | +0.91% |
Average DrawdownAverage peak-to-trough decline | -5.26% | -4.42% | -0.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.32% | 1.76% | +0.56% |
Volatility
ACIIX vs. RIDAX - Volatility Comparison
American Century Equity Income Fund Class I (ACIIX) and The Income Fund of America Class R-1 (RIDAX) have volatilities of 3.01% and 2.91%, 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
| ACIIX | RIDAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.01% | 2.91% | +0.10% |
Volatility (6M)Calculated over the trailing 6-month period | 6.12% | 5.47% | +0.65% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.62% | 9.48% | +2.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 10.74% | 9.46% | +1.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.37% | 10.67% | +2.70% |