AMFFX vs. YAFFX
Compare and contrast key facts about American Mutual Fund Class F-1 (AMFFX) and AMG Yacktman Focused Fund (YAFFX).
AMFFX is an actively managed fund by American Funds. It was launched on Feb 21, 1950. YAFFX is managed by AMG. It was launched on May 1, 1997.
Performance
AMFFX vs. YAFFX - Performance Comparison
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AMFFX vs. YAFFX - 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% |
YAFFX AMG Yacktman Focused Fund | 8.59% | 3.89% | 9.30% | 16.53% | -8.20% | 16.48% | 17.22% | 19.21% | 2.99% | 20.07% |
Returns By Period
In the year-to-date period, AMFFX achieves a -3.16% return, which is significantly lower than YAFFX's 8.59% return. Both investments have delivered pretty close results over the past 10 years, with AMFFX having a 10.42% annualized return and YAFFX not far ahead at 10.91%.
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%
YAFFX
- 1D
- -0.76%
- 1M
- -8.71%
- YTD
- 8.59%
- 6M
- -1.14%
- 1Y
- 11.37%
- 3Y*
- 11.67%
- 5Y*
- 7.33%
- 10Y*
- 10.91%
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AMFFX vs. YAFFX - Expense Ratio Comparison
AMFFX has a 0.64% expense ratio, which is lower than YAFFX's 1.25% expense ratio.
Return for Risk
AMFFX vs. YAFFX — Risk / Return Rank
AMFFX
YAFFX
AMFFX vs. YAFFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Mutual Fund Class F-1 (AMFFX) and AMG Yacktman Focused Fund (YAFFX). 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 | YAFFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.77 | 0.49 | +0.29 |
Sortino ratioReturn per unit of downside risk | 1.16 | 0.67 | +0.49 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.16 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 0.92 | 0.57 | +0.35 |
Martin ratioReturn relative to average drawdown | 4.00 | 2.02 | +1.98 |
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 | YAFFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.77 | 0.49 | +0.29 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.75 | 0.41 | +0.34 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.74 | 0.67 | +0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.54 | 0.58 | -0.04 |
Correlation
The correlation between AMFFX and YAFFX is 0.83, 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. YAFFX - Dividend Comparison
AMFFX's dividend yield for the trailing twelve months is around 7.80%, while YAFFX has not paid dividends to shareholders.
| 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% |
YAFFX AMG Yacktman Focused Fund | 0.00% | 0.00% | 18.44% | 4.42% | 7.60% | 4.70% | 11.87% | 15.84% | 22.15% | 11.82% | 11.81% | 24.36% |
Drawdowns
AMFFX vs. YAFFX - Drawdown Comparison
The maximum AMFFX drawdown since its inception was -48.76%, which is greater than YAFFX's maximum drawdown of -43.80%. Use the drawdown chart below to compare losses from any high point for AMFFX and YAFFX.
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Drawdown Indicators
| AMFFX | YAFFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -48.76% | -43.80% | -4.96% |
Max Drawdown (1Y)Largest decline over 1 year | -10.21% | -17.08% | +6.87% |
Max Drawdown (5Y)Largest decline over 5 years | -15.32% | -21.31% | +5.99% |
Max Drawdown (10Y)Largest decline over 10 years | -29.83% | -30.62% | +0.79% |
Current DrawdownCurrent decline from peak | -7.93% | -8.71% | +0.78% |
Average DrawdownAverage peak-to-trough decline | -5.76% | -6.24% | +0.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.35% | 4.83% | -2.48% |
Volatility
AMFFX vs. YAFFX - Volatility Comparison
The current volatility for American Mutual Fund Class F-1 (AMFFX) is 3.37%, while AMG Yacktman Focused Fund (YAFFX) has a volatility of 7.76%. This indicates that AMFFX experiences smaller price fluctuations and is considered to be less risky than YAFFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMFFX | YAFFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.37% | 7.76% | -4.39% |
Volatility (6M)Calculated over the trailing 6-month period | 7.33% | 21.51% | -14.18% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.80% | 22.92% | -9.12% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.47% | 17.85% | -5.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.10% | 16.39% | -2.29% |