RFNGX vs. AHMFX
Compare and contrast key facts about American Funds Fundamental Investors Fund Class R6 (RFNGX) and American High-Income Municipal Bond Fund Class F-2 (AHMFX).
RFNGX is an actively managed fund by Capital Group. It was launched on May 1, 2009. AHMFX is an actively managed fund by Capital Group. It was launched on Aug 1, 2008.
Performance
RFNGX vs. AHMFX - Performance Comparison
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RFNGX vs. AHMFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RFNGX American Funds Fundamental Investors Fund Class R6 | -6.06% | 24.58% | 22.77% | 26.25% | -16.38% | 22.83% | 13.72% | 27.48% | -7.09% | 23.15% |
AHMFX American High-Income Municipal Bond Fund Class F-2 | -0.48% | 6.03% | 6.45% | 7.04% | -12.44% | 5.49% | 4.61% | 9.12% | 1.80% | 9.09% |
Returns By Period
In the year-to-date period, RFNGX achieves a -6.06% return, which is significantly lower than AHMFX's -0.48% return. Over the past 10 years, RFNGX has outperformed AHMFX with an annualized return of 13.18%, while AHMFX has yielded a comparatively lower 3.39% annualized return.
RFNGX
- 1D
- -0.62%
- 1M
- -9.87%
- YTD
- -6.06%
- 6M
- -1.96%
- 1Y
- 20.82%
- 3Y*
- 19.60%
- 5Y*
- 11.85%
- 10Y*
- 13.18%
AHMFX
- 1D
- 0.07%
- 1M
- -2.70%
- YTD
- -0.48%
- 6M
- 1.28%
- 1Y
- 4.18%
- 3Y*
- 5.44%
- 5Y*
- 1.81%
- 10Y*
- 3.39%
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RFNGX vs. AHMFX - Expense Ratio Comparison
RFNGX has a 0.28% expense ratio, which is lower than AHMFX's 0.42% expense ratio.
Return for Risk
RFNGX vs. AHMFX — Risk / Return Rank
RFNGX
AHMFX
RFNGX vs. AHMFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Fundamental Investors Fund Class R6 (RFNGX) and American High-Income Municipal Bond Fund Class F-2 (AHMFX). 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.
| RFNGX | AHMFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.18 | 0.81 | +0.37 |
Sortino ratioReturn per unit of downside risk | 1.78 | 1.10 | +0.68 |
Omega ratioGain probability vs. loss probability | 1.25 | 1.24 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.64 | 0.99 | +0.65 |
Martin ratioReturn relative to average drawdown | 7.35 | 3.26 | +4.09 |
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
| RFNGX | AHMFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.18 | 0.81 | +0.37 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.71 | 0.38 | +0.34 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.75 | 0.75 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.73 | 1.52 | -0.79 |
Correlation
The correlation between RFNGX and AHMFX is -0.08. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.
Dividends
RFNGX vs. AHMFX - Dividend Comparison
RFNGX's dividend yield for the trailing twelve months is around 9.43%, more than AHMFX's 4.27% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RFNGX American Funds Fundamental Investors Fund Class R6 | 9.43% | 8.82% | 8.91% | 6.10% | 5.33% | 11.29% | 1.77% | 7.21% | 10.67% | 7.56% | 5.01% | 6.01% |
AHMFX American High-Income Municipal Bond Fund Class F-2 | 4.27% | 5.58% | 4.04% | 2.97% | 2.71% | 3.44% | 3.60% | 3.68% | 3.88% | 4.19% | 3.74% | 4.19% |
Drawdowns
RFNGX vs. AHMFX - Drawdown Comparison
The maximum RFNGX drawdown since its inception was -33.90%, which is greater than AHMFX's maximum drawdown of -17.65%. Use the drawdown chart below to compare losses from any high point for RFNGX and AHMFX.
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Drawdown Indicators
| RFNGX | AHMFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.90% | -17.65% | -16.25% |
Max Drawdown (1Y)Largest decline over 1 year | -11.35% | -5.60% | -5.75% |
Max Drawdown (5Y)Largest decline over 5 years | -24.88% | -17.65% | -7.23% |
Max Drawdown (10Y)Largest decline over 10 years | -33.90% | -17.65% | -16.25% |
Current DrawdownCurrent decline from peak | -10.62% | -2.70% | -7.92% |
Average DrawdownAverage peak-to-trough decline | -4.05% | -2.38% | -1.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.53% | 1.69% | +0.84% |
Volatility
RFNGX vs. AHMFX - Volatility Comparison
American Funds Fundamental Investors Fund Class R6 (RFNGX) has a higher volatility of 4.97% compared to American High-Income Municipal Bond Fund Class F-2 (AHMFX) at 1.08%. This indicates that RFNGX's price experiences larger fluctuations and is considered to be riskier than AHMFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RFNGX | AHMFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.97% | 1.08% | +3.89% |
Volatility (6M)Calculated over the trailing 6-month period | 10.65% | 1.86% | +8.79% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.94% | 6.45% | +11.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.68% | 4.82% | +11.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.66% | 4.53% | +13.13% |