VITSX vs. VTAPX
VITSX (Vanguard Total Stock Market Index Fund Institutional Shares) and VTAPX (Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares) are both mutual funds - VITSX is a Large Cap Blend Equities fund managed by Vanguard, while VTAPX is a Inflation-Protected Bonds fund managed by Vanguard. Over the past 10 years, VITSX returned 15.13%/yr vs 3.13%/yr for VTAPX. At a 0.07 correlation, their price movements are largely independent. VITSX charges 0.03%/yr vs 0.06%/yr for VTAPX.
Performance
VITSX vs. VTAPX - Performance Comparison
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Returns By Period
In the year-to-date period, VITSX achieves a 11.98% return, which is significantly higher than VTAPX's 2.05% return. Over the past 10 years, VITSX has outperformed VTAPX with an annualized return of 15.13%, while VTAPX has yielded a comparatively lower 3.13% annualized return.
VITSX
- 1D
- 0.24%
- 1M
- 5.76%
- YTD
- 11.98%
- 6M
- 11.88%
- 1Y
- 29.11%
- 3Y*
- 22.36%
- 5Y*
- 13.05%
- 10Y*
- 15.13%
VTAPX
- 1D
- 0.00%
- 1M
- 0.04%
- YTD
- 2.05%
- 6M
- 2.04%
- 1Y
- 4.69%
- 3Y*
- 5.23%
- 5Y*
- 3.38%
- 10Y*
- 3.13%
VITSX vs. VTAPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VITSX Vanguard Total Stock Market Index Fund Institutional Shares | 11.98% | 17.14% | 23.25% | 26.51% | -19.51% | 25.74% | 20.99% | 30.80% | -5.18% | 21.16% |
VTAPX Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares | 2.05% | 6.03% | 4.73% | 4.59% | -2.84% | 5.26% | 4.97% | 4.85% | 0.53% | 0.82% |
Correlation
The correlation between VITSX and VTAPX is -0.01, 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 | -0.01 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.10 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.15 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.09 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2013 | 0.07 |
The correlation between VITSX and VTAPX shifts across timeframes, from -0.01 (1 year) to 0.15 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
VITSX vs. VTAPX — Risk / Return Rank
VITSX
VTAPX
VITSX vs. VTAPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Stock Market Index Fund Institutional Shares (VITSX) and Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares (VTAPX). 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.
| VITSX | VTAPX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.47 | 3.03 | -0.56 |
Sortino ratioReturn per unit of downside risk | 3.36 | 5.02 | -1.66 |
Omega ratioGain probability vs. loss probability | 1.44 | 1.65 | -0.20 |
Calmar ratioReturn relative to maximum drawdown | 3.37 | 6.45 | -3.07 |
Martin ratioReturn relative to average drawdown | 15.58 | 25.59 | -10.01 |
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
| VITSX | VTAPX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.47 | 3.03 | -0.56 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.76 | 1.27 | -0.51 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.82 | 1.41 | -0.58 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 1.07 | -0.58 |
Drawdowns
VITSX vs. VTAPX - Drawdown Comparison
The maximum VITSX drawdown since its inception was -55.30%, which is greater than VTAPX's maximum drawdown of -5.33%. Use the drawdown chart below to compare losses from any high point for VITSX and VTAPX.
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Drawdown Indicators
| VITSX | VTAPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.30% | -5.33% | -49.97% |
Max Drawdown (1Y)Largest decline over 1 year | -8.92% | -0.72% | -8.20% |
Max Drawdown (3Y)Largest decline over 3 years | -19.36% | -0.92% | -18.44% |
Max Drawdown (5Y)Largest decline over 5 years | -25.36% | -5.33% | -20.03% |
Max Drawdown (10Y)Largest decline over 10 years | -34.97% | -5.33% | -29.64% |
Current DrawdownCurrent decline from peak | 0.00% | -0.04% | +0.04% |
Average DrawdownAverage peak-to-trough decline | -10.07% | -1.03% | -9.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.93% | 0.18% | +1.75% |
Volatility
VITSX vs. VTAPX - Volatility Comparison
Vanguard Total Stock Market Index Fund Institutional Shares (VITSX) has a higher volatility of 2.95% compared to Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares (VTAPX) at 0.57%. This indicates that VITSX's price experiences larger fluctuations and is considered to be riskier than VTAPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VITSX | VTAPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.95% | 0.57% | +2.38% |
Volatility (6M)Calculated over the trailing 6-month period | 9.19% | 1.11% | +8.08% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.19% | 1.52% | +10.67% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.36% | 2.67% | +14.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.41% | 2.23% | +16.18% |
VITSX vs. VTAPX - Expense Ratio Comparison
VITSX has a 0.03% expense ratio, which is lower than VTAPX's 0.06% 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
VITSX vs. VTAPX - Dividend Comparison
VITSX's dividend yield for the trailing twelve months is around 1.01%, less than VTAPX's 3.55% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VITSX Vanguard Total Stock Market Index Fund Institutional Shares | 1.01% | 1.12% | 1.27% | 1.43% | 1.66% | 1.21% | 1.42% | 1.77% | 2.04% | 1.71% | 1.93% | 1.99% |
VTAPX Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares | 3.55% | 3.78% | 2.68% | 2.84% | 6.82% | 4.67% | 1.19% | 1.94% | 2.45% | 1.52% | 0.76% | 0.00% |
Frequently Asked Questions
VITSX and VTAPX have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VITSX has higher volatility (2.95%) compared to VTAPX (0.57%). In terms of maximum drawdown, VITSX dropped -55.30% vs VTAPX's -5.33%.
VTAPX currently has the higher Sharpe Ratio (3.03 vs 2.47), 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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