VMCTX vs. VTIAX
VMCTX (Vanguard Mega Cap Index Fund Institutional Shares) and VTIAX (Vanguard Total International Stock Index Fund Admiral Shares) are both mutual funds - VMCTX is a Large Cap Blend Equities fund managed by Vanguard, while VTIAX is a Foreign Large Cap Equities fund tracking the FTSE Global All Cap ex US Index. Over the past 10 years, VMCTX returned 16.46%/yr vs 9.85%/yr for VTIAX. A 0.80 correlation means they provide meaningful diversification when combined. VMCTX charges 0.06%/yr vs 0.09%/yr for VTIAX.
Performance
VMCTX vs. VTIAX - Performance Comparison
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Returns By Period
In the year-to-date period, VMCTX achieves a 11.68% return, which is significantly lower than VTIAX's 15.40% return. Over the past 10 years, VMCTX has outperformed VTIAX with an annualized return of 16.46%, while VTIAX has yielded a comparatively lower 9.85% annualized return.
VMCTX
- 1D
- 0.04%
- 1M
- 6.43%
- YTD
- 11.68%
- 6M
- 11.63%
- 1Y
- 30.69%
- 3Y*
- 24.20%
- 5Y*
- 15.10%
- 10Y*
- 16.46%
VTIAX
- 1D
- 0.60%
- 1M
- 5.53%
- YTD
- 15.40%
- 6M
- 18.19%
- 1Y
- 33.34%
- 3Y*
- 19.78%
- 5Y*
- 8.81%
- 10Y*
- 9.85%
VMCTX vs. VTIAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VMCTX Vanguard Mega Cap Index Fund Institutional Shares | 11.68% | 19.35% | 27.18% | 29.67% | -19.91% | 27.57% | 21.47% | 31.42% | -3.47% | 22.57% |
VTIAX Vanguard Total International Stock Index Fund Admiral Shares | 15.40% | 32.18% | 5.34% | 15.28% | -16.02% | 8.59% | 11.27% | 21.52% | -14.46% | 27.54% |
Correlation
The correlation between VMCTX and VTIAX is 0.77, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.77 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.72 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.75 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.77 |
Correlation (All Time) Calculated using the full available price history since Nov 30, 2010 | 0.80 |
The correlation between VMCTX and VTIAX has been stable across timeframes, ranging from 0.72 to 0.80 - a consistent structural relationship.
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Return for Risk
VMCTX vs. VTIAX — Risk / Return Rank
VMCTX
VTIAX
VMCTX vs. VTIAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Mega Cap Index Fund Institutional Shares (VMCTX) and Vanguard Total International Stock Index Fund Admiral Shares (VTIAX). 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.
| VMCTX | VTIAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.25 | ||
| Sortino ratioReturn per unit of downside risk | +0.32 | ||
| Omega ratioGain probability vs. loss probability | 1.46 | 1.43 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 3.19 | 2.91 | +0.28 |
| Martin ratioReturn relative to average drawdown | 14.39 | 11.49 | +2.89 |
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
| VMCTX | VTIAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.56 | 2.31 | +0.25 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.88 | 0.59 | +0.29 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.90 | 0.62 | +0.28 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.59 | 0.44 | +0.15 |
Drawdowns
VMCTX vs. VTIAX - Drawdown Comparison
The maximum VMCTX drawdown since its inception was -52.00%, which is greater than VTIAX's maximum drawdown of -35.83%. Use the drawdown chart below to compare losses from any high point for VMCTX and VTIAX.
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Drawdown Indicators
| VMCTX | VTIAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -52.00% | -35.83% | -16.17% |
Max Drawdown (1Y)Largest decline over 1 year | -9.87% | -11.28% | +1.41% |
Max Drawdown (3Y)Largest decline over 3 years | -19.36% | -13.13% | -6.23% |
Max Drawdown (5Y)Largest decline over 5 years | -25.77% | -29.56% | +3.79% |
Max Drawdown (10Y)Largest decline over 10 years | -32.96% | -35.83% | +2.87% |
Current DrawdownCurrent decline from peak | 0.00% | 0.00% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -7.09% | -8.08% | +0.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.19% | 2.85% | -0.66% |
Volatility
VMCTX vs. VTIAX - Volatility Comparison
The current volatility for Vanguard Mega Cap Index Fund Institutional Shares (VMCTX) is 2.93%, while Vanguard Total International Stock Index Fund Admiral Shares (VTIAX) has a volatility of 4.80%. This indicates that VMCTX experiences smaller price fluctuations and is considered to be less risky than VTIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VMCTX | VTIAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.93% | 4.80% | -1.87% |
Volatility (6M)Calculated over the trailing 6-month period | 9.29% | 11.90% | -2.61% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.32% | 14.22% | -1.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.34% | 15.04% | +2.30% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.28% | 15.93% | +2.35% |
VMCTX vs. VTIAX - Expense Ratio Comparison
VMCTX has a 0.06% expense ratio, which is lower than VTIAX's 0.09% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
VMCTX vs. VTIAX - Dividend Comparison
VMCTX's dividend yield for the trailing twelve months is around 0.87%, less than VTIAX's 2.60% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VMCTX Vanguard Mega Cap Index Fund Institutional Shares | 0.87% | 0.94% | 1.16% | 1.36% | 1.66% | 1.18% | 1.46% | 1.82% | 2.11% | 1.84% | 2.13% | 2.13% |
VTIAX Vanguard Total International Stock Index Fund Admiral Shares | 2.60% | 3.15% | 3.33% | 3.22% | 3.04% | 3.05% | 2.10% | 3.04% | 3.16% | 2.73% | 2.93% | 2.84% |
Frequently Asked Questions
VMCTX and VTIAX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VTIAX has higher volatility (4.80%) compared to VMCTX (2.93%). In terms of maximum drawdown, VMCTX dropped -52.00% vs VTIAX's -35.83%.
VMCTX currently has the higher Sharpe Ratio (2.56 vs 2.31), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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