VMFVX vs. ACLAX
Compare and contrast key facts about Vanguard S&P Mid-Cap 400 Value Index Fund Institutional Shares (VMFVX) and American Century Mid Cap Value Fund A Class (ACLAX).
VMFVX is managed by Vanguard. It was launched on Nov 2, 2010. ACLAX is managed by American Century. It was launched on Mar 31, 2004.
Performance
VMFVX vs. ACLAX - Performance Comparison
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VMFVX vs. ACLAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VMFVX Vanguard S&P Mid-Cap 400 Value Index Fund Institutional Shares | 1.00% | 7.57% | 10.59% | 16.49% | -7.03% | 30.54% | 3.68% | 26.18% | -11.90% | 12.27% |
ACLAX American Century Mid Cap Value Fund A Class | 2.49% | 8.52% | 8.18% | 5.93% | -1.53% | 23.01% | 1.44% | 28.55% | -12.93% | 11.31% |
Returns By Period
In the year-to-date period, VMFVX achieves a 1.00% return, which is significantly lower than ACLAX's 2.49% return. Over the past 10 years, VMFVX has outperformed ACLAX with an annualized return of 10.07%, while ACLAX has yielded a comparatively lower 8.53% annualized return.
VMFVX
- 1D
- 2.29%
- 1M
- -5.52%
- YTD
- 1.00%
- 6M
- 2.62%
- 1Y
- 12.45%
- 3Y*
- 10.94%
- 5Y*
- 7.21%
- 10Y*
- 10.07%
ACLAX
- 1D
- 1.55%
- 1M
- -6.35%
- YTD
- 2.49%
- 6M
- 2.67%
- 1Y
- 9.26%
- 3Y*
- 8.02%
- 5Y*
- 6.47%
- 10Y*
- 8.53%
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VMFVX vs. ACLAX - Expense Ratio Comparison
VMFVX has a 0.08% expense ratio, which is lower than ACLAX's 1.22% expense ratio.
Return for Risk
VMFVX vs. ACLAX — Risk / Return Rank
VMFVX
ACLAX
VMFVX vs. ACLAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P Mid-Cap 400 Value Index Fund Institutional Shares (VMFVX) and American Century Mid Cap Value Fund A Class (ACLAX). 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.
| VMFVX | ACLAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.63 | 0.58 | +0.04 |
Sortino ratioReturn per unit of downside risk | 1.03 | 0.94 | +0.09 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.12 | +0.02 |
Calmar ratioReturn relative to maximum drawdown | 0.91 | 0.90 | +0.01 |
Martin ratioReturn relative to average drawdown | 3.44 | 3.32 | +0.12 |
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
| VMFVX | ACLAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.63 | 0.58 | +0.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.37 | 0.44 | -0.07 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.46 | 0.49 | -0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.47 | +0.02 |
Correlation
The correlation between VMFVX and ACLAX is 0.94, 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
VMFVX vs. ACLAX - Dividend Comparison
VMFVX's dividend yield for the trailing twelve months is around 1.86%, less than ACLAX's 13.82% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VMFVX Vanguard S&P Mid-Cap 400 Value Index Fund Institutional Shares | 1.86% | 1.88% | 1.81% | 1.58% | 2.04% | 1.81% | 2.48% | 1.94% | 2.01% | 1.56% | 1.42% | 1.73% |
ACLAX American Century Mid Cap Value Fund A Class | 13.82% | 14.24% | 8.53% | 5.01% | 14.77% | 15.72% | 1.62% | 1.23% | 14.17% | 9.25% | 3.82% | 10.86% |
Drawdowns
VMFVX vs. ACLAX - Drawdown Comparison
The maximum VMFVX drawdown since its inception was -45.79%, smaller than the maximum ACLAX drawdown of -51.37%. Use the drawdown chart below to compare losses from any high point for VMFVX and ACLAX.
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Drawdown Indicators
| VMFVX | ACLAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -45.79% | -51.37% | +5.58% |
Max Drawdown (1Y)Largest decline over 1 year | -14.52% | -10.99% | -3.53% |
Max Drawdown (5Y)Largest decline over 5 years | -22.46% | -17.55% | -4.91% |
Max Drawdown (10Y)Largest decline over 10 years | -45.79% | -39.24% | -6.55% |
Current DrawdownCurrent decline from peak | -7.59% | -6.58% | -1.01% |
Average DrawdownAverage peak-to-trough decline | -5.52% | -6.29% | +0.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.84% | 2.98% | +0.86% |
Volatility
VMFVX vs. ACLAX - Volatility Comparison
Vanguard S&P Mid-Cap 400 Value Index Fund Institutional Shares (VMFVX) has a higher volatility of 5.31% compared to American Century Mid Cap Value Fund A Class (ACLAX) at 4.16%. This indicates that VMFVX's price experiences larger fluctuations and is considered to be riskier than ACLAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VMFVX | ACLAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.31% | 4.16% | +1.15% |
Volatility (6M)Calculated over the trailing 6-month period | 11.35% | 8.65% | +2.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.59% | 15.62% | +4.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.55% | 14.65% | +4.90% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.88% | 17.49% | +4.39% |