RWMBX vs. AMECX
RWMBX (American Funds Washington Mutual Investors Fund Class R-2) and AMECX (American Funds The Income Fund of America Class A) are both mutual funds - RWMBX is a Large Cap Value Equities fund actively managed by American Funds, while AMECX is a Diversified Portfolio fund actively managed by American Funds. Both are actively managed. Over the past 10 years, RWMBX returned 11.80%/yr vs 8.21%/yr for AMECX. Their correlation of 0.92 suggests significant overlap in exposure. RWMBX charges 1.35%/yr vs 0.56%/yr for AMECX.
Performance
RWMBX vs. AMECX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with RWMBX having a 7.17% return and AMECX slightly higher at 7.34%. Over the past 10 years, RWMBX has outperformed AMECX with an annualized return of 11.80%, while AMECX has yielded a comparatively lower 8.21% annualized return.
RWMBX
- 1D
- -0.38%
- 1M
- 2.09%
- 6M
- 5.41%
- YTD
- 7.17%
- 1Y
- 12.68%
- 3Y*
- 15.83%
- 5Y*
- 11.25%
- 10Y*
- 11.80%
- ALL TIME*
- 9.24%
AMECX
- 1D
- -0.36%
- 1M
- 1.73%
- 6M
- 3.61%
- YTD
- 7.34%
- 1Y
- 13.18%
- 3Y*
- 12.81%
- 5Y*
- 8.15%
- 10Y*
- 8.21%
- ALL TIME*
- 7.73%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
RWMBX vs. AMECX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RWMBX American Funds Washington Mutual Investors Fund Class R-2 | 7.17% | 16.27% | 18.07% | 16.30% | -9.18% | 27.45% | 6.87% | 24.38% | -6.98% | 19.06% |
AMECX American Funds The Income Fund of America Class A | 7.34% | 17.77% | 10.84% | 6.79% | -6.40% | 17.37% | 4.49% | 18.50% | -5.27% | 12.58% |
Correlation
The correlation between RWMBX and AMECX is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.83 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.86 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.89 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.91 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 2003 | 0.92 |
The correlation between RWMBX and AMECX has been stable across timeframes, ranging from 0.83 to 0.92 - a consistent structural relationship.
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Return for Risk
RWMBX vs. AMECX — Risk / Return Rank
RWMBX
AMECX
RWMBX vs. AMECX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Washington Mutual Investors Fund Class R-2 (RWMBX) 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| RWMBX | AMECX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.52 | ||
| Sortino ratioReturn per unit of downside risk | -0.72 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.31 | -0.09 |
| Calmar ratioReturn relative to maximum drawdown | 1.48 | 2.08 | -0.60 |
| Martin ratioReturn relative to average drawdown | 6.33 | 7.60 | -1.27 |
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Drawdowns
RWMBX vs. AMECX - Drawdown Comparison
The maximum RWMBX drawdown since its inception was -54.49%, which is greater than AMECX's maximum drawdown of -41.92%. Use the drawdown chart below to compare losses from any high point for RWMBX and AMECX.
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Drawdown Indicators
| RWMBX | AMECX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.49% | -41.92% | -12.57% |
Max Drawdown (1Y)Largest decline over 1 year | -8.47% | -6.13% | -2.34% |
Max Drawdown (3Y)Largest decline over 3 years | -14.74% | -8.58% | -6.16% |
Max Drawdown (5Y)Largest decline over 5 years | -19.13% | -15.78% | -3.35% |
Max Drawdown (10Y)Largest decline over 10 years | -34.71% | -26.13% | -8.58% |
Current DrawdownCurrent decline from peak | -0.89% | -0.36% | -0.53% |
Average DrawdownAverage peak-to-trough decline | -6.96% | -4.44% | -2.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.98% | 1.68% | +0.30% |
Volatility
RWMBX vs. AMECX - Volatility Comparison
American Funds Washington Mutual Investors Fund Class R-2 (RWMBX) and American Funds The Income Fund of America Class A (AMECX) have volatilities of 1.90% and 1.86%, 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
| RWMBX | AMECX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.90% | 1.86% | +0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 7.66% | 5.81% | +1.85% |
Volatility (1Y)Calculated over the trailing 1-year period | 10.45% | 7.43% | +3.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.04% | 9.43% | +4.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.28% | 10.63% | +5.65% |
RWMBX vs. AMECX - Expense Ratio Comparison
RWMBX has a 1.35% expense ratio, which is higher than AMECX's 0.56% expense ratio.
Dividends
RWMBX vs. AMECX - Dividend Comparison
RWMBX's dividend yield for the trailing twelve months is around 9.07%, less than AMECX's 9.38% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMECX American Funds The Income Fund of America Class A | 9.38% | 9.94% | 6.38% | 2.93% | 6.98% | 6.67% | 2.80% | 5.01% | 7.48% | 4.26% | 3.09% | 5.09% |
RWMBX American Funds Washington Mutual Investors Fund Class R-2 | 9.07% | 9.54% | 9.49% | 5.53% | 5.60% | 5.43% | 2.41% | 5.97% | 3.51% | 6.58% | 5.68% | 5.52% |
Frequently Asked Questions
RWMBX and AMECX have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RWMBX has higher volatility (1.90%) compared to AMECX (1.86%). In terms of maximum drawdown, RWMBX dropped -54.49% vs AMECX's -41.92%.
AMECX currently has the higher Sharpe Ratio (1.73 vs 1.20), 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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