VMCPX vs. VTSPX
VMCPX (Vanguard Mid-Cap Index Fund Institutional Plus Shares) and VTSPX (Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares) are both mutual funds - VMCPX is a Mid Cap Blend Equities fund managed by Vanguard, while VTSPX is a Inflation-Protected Bonds fund managed by Vanguard. Over the past 10 years, VMCPX returned 11.60%/yr vs 3.16%/yr for VTSPX. At a 0.08 correlation, their price movements are largely independent. VMCPX charges 0.03%/yr vs 0.04%/yr for VTSPX.
Performance
VMCPX vs. VTSPX - Performance Comparison
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Returns By Period
In the year-to-date period, VMCPX achieves a 10.55% return, which is significantly higher than VTSPX's 2.06% return. Over the past 10 years, VMCPX has outperformed VTSPX with an annualized return of 11.60%, while VTSPX has yielded a comparatively lower 3.16% annualized return.
VMCPX
- 1D
- 0.90%
- 1M
- 3.68%
- YTD
- 10.55%
- 6M
- 10.22%
- 1Y
- 18.76%
- 3Y*
- 16.85%
- 5Y*
- 8.12%
- 10Y*
- 11.60%
VTSPX
- 1D
- 0.00%
- 1M
- 0.04%
- YTD
- 2.06%
- 6M
- 2.05%
- 1Y
- 4.72%
- 3Y*
- 5.26%
- 5Y*
- 3.40%
- 10Y*
- 3.16%
VMCPX vs. VTSPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VMCPX Vanguard Mid-Cap Index Fund Institutional Plus Shares | 10.55% | 11.70% | 14.68% | 16.55% | -18.68% | 24.54% | 18.20% | 31.06% | -9.23% | 19.28% |
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares | 2.06% | 6.06% | 4.75% | 4.61% | -2.82% | 5.32% | 4.99% | 4.82% | 0.59% | 0.83% |
Correlation
The correlation between VMCPX and VTSPX is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.02 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.16 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.10 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2013 | 0.08 |
The correlation between VMCPX and VTSPX shifts across timeframes, from 0.02 (1 year) to 0.16 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
VMCPX vs. VTSPX — Risk / Return Rank
VMCPX
VTSPX
VMCPX vs. VTSPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Mid-Cap Index Fund Institutional Plus Shares (VMCPX) and Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX). 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.
| VMCPX | VTSPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.44 | ||
| Sortino ratioReturn per unit of downside risk | -2.88 | ||
| Omega ratioGain probability vs. loss probability | 1.28 | 1.67 | -0.39 |
| Calmar ratioReturn relative to maximum drawdown | 2.45 | 6.50 | -4.05 |
| Martin ratioReturn relative to average drawdown | 9.30 | 25.54 | -16.25 |
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
| VMCPX | VTSPX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.62 | 3.06 | -1.44 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.46 | 1.28 | -0.82 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.62 | 1.42 | -0.80 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.63 | 1.08 | -0.45 |
Drawdowns
VMCPX vs. VTSPX - Drawdown Comparison
The maximum VMCPX drawdown since its inception was -39.30%, which is greater than VTSPX's maximum drawdown of -5.35%. Use the drawdown chart below to compare losses from any high point for VMCPX and VTSPX.
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Drawdown Indicators
| VMCPX | VTSPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.30% | -5.35% | -33.95% |
Max Drawdown (1Y)Largest decline over 1 year | -8.13% | -0.72% | -7.41% |
Max Drawdown (3Y)Largest decline over 3 years | -18.93% | -0.92% | -18.01% |
Max Drawdown (5Y)Largest decline over 5 years | -27.54% | -5.35% | -22.19% |
Max Drawdown (10Y)Largest decline over 10 years | -39.30% | -5.35% | -33.95% |
Current DrawdownCurrent decline from peak | 0.00% | -0.04% | +0.04% |
Average DrawdownAverage peak-to-trough decline | -5.22% | -1.01% | -4.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.13% | 0.18% | +1.95% |
Volatility
VMCPX vs. VTSPX - Volatility Comparison
Vanguard Mid-Cap Index Fund Institutional Plus Shares (VMCPX) has a higher volatility of 2.97% compared to Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) at 0.57%. This indicates that VMCPX's price experiences larger fluctuations and is considered to be riskier than VTSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VMCPX | VTSPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.97% | 0.57% | +2.40% |
Volatility (6M)Calculated over the trailing 6-month period | 9.29% | 1.12% | +8.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.30% | 1.52% | +10.78% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.63% | 2.67% | +14.96% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.92% | 2.23% | +16.69% |
VMCPX vs. VTSPX - Expense Ratio Comparison
VMCPX has a 0.03% expense ratio, which is lower than VTSPX's 0.04% 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
VMCPX vs. VTSPX - Dividend Comparison
VMCPX's dividend yield for the trailing twelve months is around 1.36%, less than VTSPX's 3.59% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VMCPX Vanguard Mid-Cap Index Fund Institutional Plus Shares | 1.36% | 1.53% | 1.50% | 1.52% | 1.61% | 1.13% | 1.45% | 1.49% | 1.84% | 1.37% | 1.47% | 1.50% |
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares | 3.59% | 3.81% | 2.70% | 2.86% | 6.84% | 4.69% | 1.21% | 1.96% | 2.47% | 1.52% | 0.80% | 0.00% |
Frequently Asked Questions
VMCPX and VTSPX have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VMCPX has higher volatility (2.97%) compared to VTSPX (0.57%). In terms of maximum drawdown, VMCPX dropped -39.30% vs VTSPX's -5.35%.
VTSPX currently has the higher Sharpe Ratio (3.06 vs 1.62), 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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