AMFFX vs. GFFFX
Compare and contrast key facts about American Mutual Fund Class F-1 (AMFFX) and American Funds The Growth Fund of America (GFFFX).
AMFFX is an actively managed fund by American Funds. It was launched on Feb 21, 1950. GFFFX is managed by American Funds. It was launched on Dec 1, 1973.
Performance
AMFFX vs. GFFFX - Performance Comparison
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AMFFX vs. GFFFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMFFX American Mutual Fund Class F-1 | -3.16% | 15.99% | 14.87% | 9.36% | -4.54% | 25.04% | 4.73% | 21.48% | -2.37% | 17.44% |
GFFFX American Funds The Growth Fund of America | -11.18% | 19.96% | 28.28% | 37.51% | -30.61% | 19.55% | 38.16% | 28.43% | -2.96% | 26.38% |
Returns By Period
In the year-to-date period, AMFFX achieves a -3.16% return, which is significantly higher than GFFFX's -11.18% return. Over the past 10 years, AMFFX has underperformed GFFFX with an annualized return of 10.42%, while GFFFX has yielded a comparatively higher 14.16% annualized return.
AMFFX
- 1D
- -0.11%
- 1M
- -7.93%
- YTD
- -3.16%
- 6M
- -1.61%
- 1Y
- 9.70%
- 3Y*
- 11.90%
- 5Y*
- 9.33%
- 10Y*
- 10.42%
GFFFX
- 1D
- -0.48%
- 1M
- -9.64%
- YTD
- -11.18%
- 6M
- -9.80%
- 1Y
- 13.80%
- 3Y*
- 19.10%
- 5Y*
- 8.75%
- 10Y*
- 14.16%
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AMFFX vs. GFFFX - Expense Ratio Comparison
AMFFX has a 0.64% expense ratio, which is higher than GFFFX's 0.40% expense ratio.
Return for Risk
AMFFX vs. GFFFX — Risk / Return Rank
AMFFX
GFFFX
AMFFX vs. GFFFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Mutual Fund Class F-1 (AMFFX) and American Funds The Growth Fund of America (GFFFX). 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.
| AMFFX | GFFFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.77 | 0.66 | +0.12 |
Sortino ratioReturn per unit of downside risk | 1.16 | 1.08 | +0.08 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.15 | +0.02 |
Calmar ratioReturn relative to maximum drawdown | 0.92 | 0.78 | +0.14 |
Martin ratioReturn relative to average drawdown | 4.00 | 2.99 | +1.01 |
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
| AMFFX | GFFFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.77 | 0.66 | +0.12 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.75 | 0.44 | +0.32 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.74 | 0.72 | +0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.54 | 0.74 | -0.20 |
Correlation
The correlation between AMFFX and GFFFX is 0.85, 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
AMFFX vs. GFFFX - Dividend Comparison
AMFFX's dividend yield for the trailing twelve months is around 7.80%, less than GFFFX's 12.33% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMFFX American Mutual Fund Class F-1 | 7.80% | 7.53% | 6.26% | 3.72% | 4.84% | 4.73% | 1.95% | 4.56% | 6.38% | 5.89% | 4.78% | 6.48% |
GFFFX American Funds The Growth Fund of America | 12.33% | 10.95% | 9.23% | 7.64% | 4.32% | 8.42% | 4.51% | 7.38% | 12.29% | 7.27% | 6.87% | 9.13% |
Drawdowns
AMFFX vs. GFFFX - Drawdown Comparison
The maximum AMFFX drawdown since its inception was -48.76%, which is greater than GFFFX's maximum drawdown of -36.26%. Use the drawdown chart below to compare losses from any high point for AMFFX and GFFFX.
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Drawdown Indicators
| AMFFX | GFFFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -48.76% | -36.26% | -12.50% |
Max Drawdown (1Y)Largest decline over 1 year | -10.21% | -13.74% | +3.53% |
Max Drawdown (5Y)Largest decline over 5 years | -15.32% | -36.26% | +20.94% |
Max Drawdown (10Y)Largest decline over 10 years | -29.83% | -36.26% | +6.43% |
Current DrawdownCurrent decline from peak | -7.93% | -13.74% | +5.81% |
Average DrawdownAverage peak-to-trough decline | -5.76% | -5.60% | -0.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.35% | 3.56% | -1.21% |
Volatility
AMFFX vs. GFFFX - Volatility Comparison
The current volatility for American Mutual Fund Class F-1 (AMFFX) is 3.37%, while American Funds The Growth Fund of America (GFFFX) has a volatility of 5.47%. This indicates that AMFFX experiences smaller price fluctuations and is considered to be less risky than GFFFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMFFX | GFFFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.37% | 5.47% | -2.10% |
Volatility (6M)Calculated over the trailing 6-month period | 7.33% | 11.61% | -4.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.80% | 20.77% | -6.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.47% | 20.17% | -7.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.10% | 19.61% | -5.51% |