ICAFX vs. AMECX

Last updated Jun 4, 2026

ICAFX (American Funds The Investment Company of America Fund Class F2) and AMECX (American Funds The Income Fund of America Class A) are both mutual funds - ICAFX is a Large Cap Growth Equities fund actively managed by American Funds, while AMECX is a Diversified Portfolio fund managed by American Funds. Over the past 10 years, ICAFX returned 14.49%/yr vs 8.51%/yr for AMECX. Their correlation of 0.91 suggests significant overlap in exposure. ICAFX charges 0.37%/yr vs 0.56%/yr for AMECX.

Performance

ICAFX vs. AMECX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds The Investment Company of America Fund Class F2 (ICAFX) and American Funds The Income Fund of America Class A (AMECX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ICAFX achieves a 10.98% return, which is significantly higher than AMECX's 6.34% return. Over the past 10 years, ICAFX has outperformed AMECX with an annualized return of 14.49%, while AMECX has yielded a comparatively lower 8.51% annualized return.

ICAFX

• 1D: 0.00%
• 1M: 5.19%
• YTD: 10.98%
• 6M: 10.95%
• 1Y: 26.91%
• 3Y*: 24.44%
• 5Y*: 15.25%
• 10Y*: 14.49%

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%

*Multi-year figures are annualized to reflect compound growth (CAGR)

ICAFX vs. AMECX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ICAFX American Funds The Investment Company of America Fund Class F2	10.98%	20.69%	25.14%	28.82%	-15.32%	25.35%	14.70%	24.32%	-8.02%	19.75%
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 ICAFX and AMECX is 0.67, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.75
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Aug 4, 2008	0.91

Over the past year, the correlation between ICAFX and AMECX has dropped to 0.67 - well below their long-term average of 0.91, suggesting their price drivers have been diverging.

Return for Risk

ICAFX vs. AMECX — Risk / Return Rank

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

ICAFX

ICAFX Risk / Return Rank: 56
ICAFX Sharpe Ratio Rank: 56
ICAFX Sortino Ratio Rank: 52
ICAFX Omega Ratio Rank: 54
ICAFX Calmar Ratio Rank: 52
ICAFX Martin Ratio Rank: 64

AMECX

AMECX Risk / Return Rank: 53
AMECX Sharpe Ratio Rank: 58
AMECX Sortino Ratio Rank: 56
AMECX Omega Ratio Rank: 55
AMECX Calmar Ratio Rank: 47
AMECX Martin Ratio Rank: 48

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ICAFX vs. AMECX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds The Investment Company of America Fund Class F2 (ICAFX) 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.

	ICAFX	AMECX	Difference
Sharpe ratio Return per unit of total volatility	2.23	2.24	-0.01
Sortino ratio Return per unit of downside risk	3.06	3.16	-0.10
Omega ratio Gain probability vs. loss probability	1.41	1.41	0.00
Calmar ratio Return relative to maximum drawdown	2.76	2.62	+0.14
Martin ratio Return relative to average drawdown	12.54	9.88	+2.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ICAFX vs. AMECX - Sharpe Ratio Comparison

The current ICAFX Sharpe Ratio is 2.23, which is comparable to the AMECX Sharpe Ratio of 2.24. The chart below compares the historical Sharpe Ratios of ICAFX and AMECX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	ICAFX	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	0.96	0.83	+0.13
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	0.80	+0.08
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.72	-0.08

Drawdowns

ICAFX vs. AMECX - Drawdown Comparison

The maximum ICAFX drawdown since its inception was -42.84%, roughly equal to the maximum AMECX drawdown of -41.92%. Use the drawdown chart below to compare losses from any high point for ICAFX and AMECX.

Drawdown Indicators

	ICAFX	AMECX	Difference
Max Drawdown Largest peak-to-trough decline	-42.84%	-41.92%	-0.92%
Max Drawdown (1Y) Largest decline over 1 year	-10.05%	-6.13%	-3.92%
Max Drawdown (3Y) Largest decline over 3 years	-17.39%	-8.58%	-8.81%
Max Drawdown (5Y) Largest decline over 5 years	-24.21%	-15.78%	-8.43%
Max Drawdown (10Y) Largest decline over 10 years	-31.07%	-26.13%	-4.94%
Current Drawdown Current decline from peak	0.00%	-1.23%	+1.23%
Average Drawdown Average peak-to-trough decline	-5.48%	-4.45%	-1.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.21%	1.62%	+0.59%

Volatility

ICAFX vs. AMECX - Volatility Comparison

American Funds The Investment Company of America Fund Class F2 (ICAFX) has a higher volatility of 3.26% compared to American Funds The Income Fund of America Class A (AMECX) at 2.06%. This indicates that ICAFX's price experiences larger fluctuations and is considered to be riskier than AMECX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ICAFX	AMECX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.26%	2.06%	+1.20%
Volatility (6M) Calculated over the trailing 6-month period	9.73%	5.63%	+4.10%
Volatility (1Y) Calculated over the trailing 1-year period	12.46%	7.17%	+5.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.00%	9.45%	+6.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.59%	10.68%	+5.91%

ICAFX vs. AMECX - Expense Ratio Comparison

ICAFX has a 0.37% expense ratio, which is lower than AMECX's 0.56% expense ratio.

Dividends

ICAFX vs. AMECX - Dividend Comparison

ICAFX's dividend yield for the trailing twelve months is around 9.75%, more than 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%
ICAFX American Funds The Investment Company of America Fund Class F2	9.75%	10.79%	9.49%	5.15%	6.33%	7.14%	1.84%	6.34%	9.84%	7.25%	5.67%	9.10%

Frequently Asked Questions

Can I hold both ICAFX and AMECX in my portfolio?

ICAFX and AMECX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ICAFX or AMECX?

ICAFX has higher volatility (3.26%) compared to AMECX (2.06%). In terms of maximum drawdown, ICAFX dropped -42.84% vs AMECX's -41.92%.

Which has better risk-adjusted returns?

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.