VMCIX vs. VFIAX
Compare and contrast key facts about Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX) and Vanguard 500 Index Fund Admiral Shares (VFIAX).
VMCIX is managed by Vanguard. It was launched on May 21, 1998. VFIAX is managed by Vanguard. It was launched on Nov 13, 2000.
Performance
VMCIX vs. VFIAX - Performance Comparison
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VMCIX vs. VFIAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VMCIX Vanguard Mid-Cap Index Fund Institutional Shares | -0.62% | 11.67% | 14.68% | 16.54% | -18.70% | 24.53% | 18.20% | 31.04% | -9.25% | 19.30% |
VFIAX Vanguard 500 Index Fund Admiral Shares | -4.35% | 17.83% | 24.97% | 26.24% | -18.16% | 28.65% | 18.32% | 31.46% | -4.45% | 21.78% |
Returns By Period
In the year-to-date period, VMCIX achieves a -0.62% return, which is significantly higher than VFIAX's -4.35% return. Over the past 10 years, VMCIX has underperformed VFIAX with an annualized return of 10.67%, while VFIAX has yielded a comparatively higher 14.04% annualized return.
VMCIX
- 1D
- 2.22%
- 1M
- -5.79%
- YTD
- -0.62%
- 6M
- -1.35%
- 1Y
- 12.40%
- 3Y*
- 12.61%
- 5Y*
- 6.67%
- 10Y*
- 10.67%
VFIAX
- 1D
- 2.92%
- 1M
- -5.03%
- YTD
- -4.35%
- 6M
- -2.16%
- 1Y
- 17.30%
- 3Y*
- 18.27%
- 5Y*
- 11.75%
- 10Y*
- 14.04%
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VMCIX vs. VFIAX - Expense Ratio Comparison
Both VMCIX and VFIAX have an expense ratio of 0.04%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Return for Risk
VMCIX vs. VFIAX — Risk / Return Rank
VMCIX
VFIAX
VMCIX vs. VFIAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX) and Vanguard 500 Index Fund Admiral Shares (VFIAX). 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.
| VMCIX | VFIAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.73 | 0.97 | -0.25 |
Sortino ratioReturn per unit of downside risk | 1.12 | 1.49 | -0.37 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.23 | -0.07 |
Calmar ratioReturn relative to maximum drawdown | 1.06 | 1.52 | -0.46 |
Martin ratioReturn relative to average drawdown | 4.87 | 7.29 | -2.43 |
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
| VMCIX | VFIAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.73 | 0.97 | -0.25 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.38 | 0.70 | -0.32 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.57 | 0.78 | -0.21 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.47 | 0.44 | +0.04 |
Correlation
The correlation between VMCIX and VFIAX is 0.93, 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
VMCIX vs. VFIAX - Dividend Comparison
VMCIX's dividend yield for the trailing twelve months is around 1.51%, more than VFIAX's 1.18% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VMCIX Vanguard Mid-Cap Index Fund Institutional Shares | 1.51% | 1.52% | 1.49% | 1.51% | 1.60% | 1.12% | 1.45% | 1.48% | 1.83% | 1.36% | 1.46% | 1.48% |
VFIAX Vanguard 500 Index Fund Admiral Shares | 1.18% | 1.12% | 1.24% | 1.45% | 1.68% | 1.24% | 1.53% | 1.87% | 2.05% | 1.78% | 2.02% | 2.10% |
Drawdowns
VMCIX vs. VFIAX - Drawdown Comparison
The maximum VMCIX drawdown since its inception was -58.86%, which is greater than VFIAX's maximum drawdown of -55.20%. Use the drawdown chart below to compare losses from any high point for VMCIX and VFIAX.
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Drawdown Indicators
| VMCIX | VFIAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.86% | -55.20% | -3.66% |
Max Drawdown (1Y)Largest decline over 1 year | -12.77% | -12.12% | -0.65% |
Max Drawdown (5Y)Largest decline over 5 years | -27.54% | -24.53% | -3.01% |
Max Drawdown (10Y)Largest decline over 10 years | -39.30% | -33.83% | -5.47% |
Current DrawdownCurrent decline from peak | -6.09% | -6.24% | +0.15% |
Average DrawdownAverage peak-to-trough decline | -8.02% | -9.46% | +1.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.77% | 2.52% | +0.25% |
Volatility
VMCIX vs. VFIAX - Volatility Comparison
The current volatility for Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX) is 4.96%, while Vanguard 500 Index Fund Admiral Shares (VFIAX) has a volatility of 5.35%. This indicates that VMCIX experiences smaller price fluctuations and is considered to be less risky than VFIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VMCIX | VFIAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.96% | 5.35% | -0.39% |
Volatility (6M)Calculated over the trailing 6-month period | 9.67% | 9.53% | +0.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.68% | 18.32% | -0.64% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.66% | 16.91% | +0.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.91% | 18.05% | +0.86% |