WMFFX vs. VOO
Compare and contrast key facts about Washington Mutual Investors Fund Class F-2 (WMFFX) and Vanguard S&P 500 ETF (VOO).
WMFFX is a passively managed fund by American Funds that tracks the performance of the S&P 500. It was launched on Aug 5, 2008. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010. Both WMFFX and VOO are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
WMFFX vs. VOO - Performance Comparison
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WMFFX vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
WMFFX Washington Mutual Investors Fund Class F-2 | -5.23% | 17.42% | 19.24% | 16.96% | -8.27% | 28.71% | 7.89% | 25.03% | -5.98% | 20.23% |
VOO Vanguard S&P 500 ETF | -4.42% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Returns By Period
In the year-to-date period, WMFFX achieves a -5.23% return, which is significantly lower than VOO's -4.42% return. Over the past 10 years, WMFFX has underperformed VOO with an annualized return of 11.98%, while VOO has yielded a comparatively higher 14.05% annualized return.
WMFFX
- 1D
- -0.03%
- 1M
- -7.89%
- YTD
- -5.23%
- 6M
- -3.05%
- 1Y
- 10.90%
- 3Y*
- 15.34%
- 5Y*
- 11.03%
- 10Y*
- 11.98%
VOO
- 1D
- 2.86%
- 1M
- -5.01%
- YTD
- -4.42%
- 6M
- -1.84%
- 1Y
- 17.67%
- 3Y*
- 18.27%
- 5Y*
- 11.75%
- 10Y*
- 14.05%
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WMFFX vs. VOO - Expense Ratio Comparison
WMFFX has a 0.37% expense ratio, which is higher than VOO's 0.03% expense ratio.
Return for Risk
WMFFX vs. VOO — Risk / Return Rank
WMFFX
VOO
WMFFX vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Washington Mutual Investors Fund Class F-2 (WMFFX) and Vanguard S&P 500 ETF (VOO). 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.
| WMFFX | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.77 | 0.98 | -0.21 |
Sortino ratioReturn per unit of downside risk | 1.21 | 1.50 | -0.29 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.23 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 0.98 | 1.53 | -0.55 |
Martin ratioReturn relative to average drawdown | 4.45 | 7.29 | -2.84 |
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
| WMFFX | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.77 | 0.98 | -0.21 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.79 | 0.70 | +0.08 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.74 | 0.78 | -0.05 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.57 | 0.83 | -0.26 |
Correlation
The correlation between WMFFX and VOO is 0.95, 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
WMFFX vs. VOO - Dividend Comparison
WMFFX's dividend yield for the trailing twelve months is around 10.88%, more than VOO's 1.19% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
WMFFX Washington Mutual Investors Fund Class F-2 | 10.88% | 10.28% | 10.27% | 5.92% | 6.53% | 6.24% | 3.26% | 6.33% | 4.59% | 7.43% | 6.56% | 6.44% |
VOO Vanguard S&P 500 ETF | 1.19% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Drawdowns
WMFFX vs. VOO - Drawdown Comparison
The maximum WMFFX drawdown since its inception was -47.21%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for WMFFX and VOO.
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Drawdown Indicators
| WMFFX | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.21% | -33.99% | -13.22% |
Max Drawdown (1Y)Largest decline over 1 year | -10.37% | -11.98% | +1.61% |
Max Drawdown (5Y)Largest decline over 5 years | -18.53% | -24.52% | +5.99% |
Max Drawdown (10Y)Largest decline over 10 years | -34.63% | -33.99% | -0.64% |
Current DrawdownCurrent decline from peak | -8.36% | -6.29% | -2.07% |
Average DrawdownAverage peak-to-trough decline | -5.40% | -3.72% | -1.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.29% | 2.52% | -0.23% |
Volatility
WMFFX vs. VOO - Volatility Comparison
The current volatility for Washington Mutual Investors Fund Class F-2 (WMFFX) is 3.59%, while Vanguard S&P 500 ETF (VOO) has a volatility of 5.29%. This indicates that WMFFX experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WMFFX | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.59% | 5.29% | -1.70% |
Volatility (6M)Calculated over the trailing 6-month period | 7.98% | 9.44% | -1.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.19% | 18.10% | -2.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.10% | 16.82% | -2.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.32% | 17.99% | -1.67% |