ACFOX vs. VOOG
Compare and contrast key facts about American Century Investments Focused Dynamic Growth Fund (ACFOX) and Vanguard S&P 500 Growth ETF (VOOG).
ACFOX is managed by American Century. It was launched on May 31, 2006. VOOG is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Growth Index. It was launched on Apr 5, 2019.
Performance
ACFOX vs. VOOG - Performance Comparison
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ACFOX vs. VOOG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACFOX American Century Investments Focused Dynamic Growth Fund | -10.26% | 20.51% | 43.30% | 35.66% | -36.32% | 7.08% | 73.31% | 32.30% | 6.51% | 34.55% |
VOOG Vanguard S&P 500 Growth ETF | -6.97% | 22.11% | 35.89% | 29.96% | -29.48% | 31.95% | 33.35% | 30.93% | -0.21% | 27.19% |
Returns By Period
In the year-to-date period, ACFOX achieves a -10.26% return, which is significantly lower than VOOG's -6.97% return. Over the past 10 years, ACFOX has outperformed VOOG with an annualized return of 17.41%, while VOOG has yielded a comparatively lower 15.86% annualized return.
ACFOX
- 1D
- 4.84%
- 1M
- -5.18%
- YTD
- -10.26%
- 6M
- -6.37%
- 1Y
- 24.51%
- 3Y*
- 23.01%
- 5Y*
- 7.15%
- 10Y*
- 17.41%
VOOG
- 1D
- 1.30%
- 1M
- -4.28%
- YTD
- -6.97%
- 6M
- -5.29%
- 1Y
- 23.21%
- 3Y*
- 22.32%
- 5Y*
- 12.46%
- 10Y*
- 15.86%
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ACFOX vs. VOOG - Expense Ratio Comparison
ACFOX has a 0.85% expense ratio, which is higher than VOOG's 0.07% expense ratio.
Return for Risk
ACFOX vs. VOOG — Risk / Return Rank
ACFOX
VOOG
ACFOX vs. VOOG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Investments Focused Dynamic Growth Fund (ACFOX) and Vanguard S&P 500 Growth ETF (VOOG). 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.
| ACFOX | VOOG | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.01 | 1.05 | -0.03 |
Sortino ratioReturn per unit of downside risk | 1.60 | 1.62 | -0.02 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.23 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.49 | 1.76 | -0.27 |
Martin ratioReturn relative to average drawdown | 5.33 | 6.81 | -1.48 |
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
| ACFOX | VOOG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.01 | 1.05 | -0.03 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.28 | 0.59 | -0.31 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.74 | 0.77 | -0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.53 | 0.84 | -0.31 |
Correlation
The correlation between ACFOX and VOOG is 0.91, 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
ACFOX vs. VOOG - Dividend Comparison
ACFOX's dividend yield for the trailing twelve months is around 8.42%, more than VOOG's 0.53% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACFOX American Century Investments Focused Dynamic Growth Fund | 8.42% | 7.56% | 0.00% | 0.00% | 0.00% | 2.48% | 0.62% | 0.00% | 0.00% | 0.00% | 1.15% | 1.33% |
VOOG Vanguard S&P 500 Growth ETF | 0.53% | 0.49% | 0.49% | 1.12% | 0.93% | 0.53% | 0.88% | 1.26% | 1.34% | 1.32% | 1.47% | 1.56% |
Drawdowns
ACFOX vs. VOOG - Drawdown Comparison
The maximum ACFOX drawdown since its inception was -58.92%, which is greater than VOOG's maximum drawdown of -32.73%. Use the drawdown chart below to compare losses from any high point for ACFOX and VOOG.
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Drawdown Indicators
| ACFOX | VOOG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.92% | -32.73% | -26.19% |
Max Drawdown (1Y)Largest decline over 1 year | -16.52% | -13.71% | -2.81% |
Max Drawdown (5Y)Largest decline over 5 years | -43.77% | -32.73% | -11.04% |
Max Drawdown (10Y)Largest decline over 10 years | -43.77% | -32.73% | -11.04% |
Current DrawdownCurrent decline from peak | -12.48% | -9.07% | -3.41% |
Average DrawdownAverage peak-to-trough decline | -14.81% | -5.01% | -9.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.63% | 3.54% | +1.09% |
Volatility
ACFOX vs. VOOG - Volatility Comparison
American Century Investments Focused Dynamic Growth Fund (ACFOX) has a higher volatility of 8.54% compared to Vanguard S&P 500 Growth ETF (VOOG) at 7.28%. This indicates that ACFOX's price experiences larger fluctuations and is considered to be riskier than VOOG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACFOX | VOOG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.54% | 7.28% | +1.26% |
Volatility (6M)Calculated over the trailing 6-month period | 15.24% | 12.68% | +2.56% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.24% | 22.28% | +2.96% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.28% | 21.16% | +4.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.71% | 20.65% | +3.06% |