IFAFX vs. AMECX
IFAFX (American Funds Income Fund of America Class F1) and AMECX (American Funds The Income Fund of America Class A) are both mutual funds - IFAFX is a Global Allocation fund actively managed by American Funds, while AMECX is a Diversified Portfolio fund managed by American Funds. Over the past 10 years, IFAFX returned 8.44%/yr vs 8.51%/yr for AMECX. With a 1.00 correlation, they move nearly in lockstep. IFAFX charges 0.63%/yr vs 0.56%/yr for AMECX.
Performance
IFAFX vs. AMECX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with IFAFX having a 6.30% return and AMECX slightly higher at 6.34%. Both investments have delivered pretty close results over the past 10 years, with IFAFX having a 8.44% annualized return and AMECX not far ahead at 8.51%.
IFAFX
- 1D
- 0.33%
- 1M
- 0.96%
- YTD
- 6.30%
- 6M
- 7.35%
- 1Y
- 15.67%
- 3Y*
- 13.68%
- 5Y*
- 7.70%
- 10Y*
- 8.44%
AMECX
- 1D
- 0.33%
- 1M
- 0.95%
- YTD
- 6.34%
- 6M
- 7.37%
- 1Y
- 15.78%
- 3Y*
- 13.76%
- 5Y*
- 7.77%
- 10Y*
- 8.51%
IFAFX vs. AMECX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IFAFX American Funds Income Fund of America Class F1 | 6.30% | 17.71% | 10.76% | 6.76% | -6.48% | 17.28% | 4.40% | 18.41% | -5.33% | 12.48% |
AMECX American Funds The Income Fund of America Class A | 6.34% | 17.77% | 10.84% | 6.79% | -6.40% | 17.37% | 4.49% | 18.50% | -5.27% | 12.58% |
Correlation
The correlation between IFAFX and AMECX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 1.00 |
Correlation (3Y) Calculated over the trailing 3-year period | 1.00 |
Correlation (5Y) Calculated over the trailing 5-year period | 1.00 |
Correlation (10Y) Calculated over the trailing 10-year period | 1.00 |
Correlation (All Time) Calculated using the full available price history since Mar 16, 2001 | 1.00 |
The correlation between IFAFX and AMECX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.
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Return for Risk
IFAFX vs. AMECX — Risk / Return Rank
IFAFX
AMECX
IFAFX vs. AMECX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Income Fund of America Class F1 (IFAFX) and American Funds The Income Fund of America Class A (AMECX). 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.
| IFAFX | AMECX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.01 | ||
| Sortino ratioReturn per unit of downside risk | -0.02 | ||
| Omega ratioGain probability vs. loss probability | 1.41 | 1.41 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 2.61 | 2.62 | -0.01 |
| Martin ratioReturn relative to average drawdown | 9.84 | 9.88 | -0.04 |
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
| IFAFX | AMECX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.23 | 2.24 | -0.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.82 | 0.83 | -0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.79 | 0.80 | -0.01 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.71 | 0.72 | -0.01 |
Drawdowns
IFAFX vs. AMECX - Drawdown Comparison
The maximum IFAFX drawdown since its inception was -41.90%, roughly equal to the maximum AMECX drawdown of -41.92%. Use the drawdown chart below to compare losses from any high point for IFAFX and AMECX.
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Drawdown Indicators
| IFAFX | AMECX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.90% | -41.92% | +0.02% |
Max Drawdown (1Y)Largest decline over 1 year | -6.11% | -6.13% | +0.02% |
Max Drawdown (3Y)Largest decline over 3 years | -8.63% | -8.58% | -0.05% |
Max Drawdown (5Y)Largest decline over 5 years | -15.84% | -15.78% | -0.06% |
Max Drawdown (10Y)Largest decline over 10 years | -26.13% | -26.13% | 0.00% |
Current DrawdownCurrent decline from peak | -1.22% | -1.23% | +0.01% |
Average DrawdownAverage peak-to-trough decline | -3.93% | -4.45% | +0.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.62% | 1.62% | 0.00% |
Volatility
IFAFX vs. AMECX - Volatility Comparison
American Funds Income Fund of America Class F1 (IFAFX) and American Funds The Income Fund of America Class A (AMECX) have volatilities of 2.07% and 2.06%, 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
| IFAFX | AMECX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.07% | 2.06% | +0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 5.62% | 5.63% | -0.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.17% | 7.17% | 0.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.48% | 9.45% | +0.03% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.68% | 10.68% | 0.00% |
IFAFX vs. AMECX - Expense Ratio Comparison
IFAFX has a 0.63% expense ratio, which is higher than AMECX's 0.56% expense ratio.
Dividends
IFAFX vs. AMECX - Dividend Comparison
IFAFX's dividend yield for the trailing twelve months is around 9.38%, which matches AMECX's 9.41% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMECX American Funds The Income Fund of America Class A | 9.41% | 9.94% | 6.38% | 2.93% | 6.98% | 6.67% | 2.80% | 5.01% | 7.48% | 4.26% | 3.09% | 5.09% |
IFAFX American Funds Income Fund of America Class F1 | 9.38% | 9.91% | 6.33% | 2.90% | 6.94% | 6.61% | 2.76% | 4.95% | 7.39% | 4.20% | 3.01% | 5.02% |
Frequently Asked Questions
With a correlation of 1.00, IFAFX and AMECX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
IFAFX has higher volatility (2.07%) compared to AMECX (2.06%). In terms of maximum drawdown, IFAFX dropped -41.90% vs AMECX's -41.92%.
AMECX currently has the higher Sharpe Ratio (2.24 vs 2.23), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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