VTSPX vs. VFIAX
Compare and contrast key facts about Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) and Vanguard 500 Index Fund Admiral Shares (VFIAX).
VTSPX is managed by Vanguard. It was launched on Oct 17, 2012. VFIAX is managed by Vanguard. It was launched on Nov 13, 2000.
Performance
VTSPX vs. VFIAX - Performance Comparison
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VTSPX vs. VFIAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares | 0.97% | 6.06% | 4.75% | 4.61% | -2.82% | 5.32% | 4.99% | 4.82% | 0.59% | 0.83% |
VFIAX Vanguard 500 Index Fund Admiral Shares | -7.06% | 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, VTSPX achieves a 0.97% return, which is significantly higher than VFIAX's -7.06% return. Over the past 10 years, VTSPX has underperformed VFIAX with an annualized return of 3.08%, while VFIAX has yielded a comparatively higher 13.71% annualized return.
VTSPX
- 1D
- 0.28%
- 1M
- 0.04%
- YTD
- 0.97%
- 6M
- 1.36%
- 1Y
- 3.93%
- 3Y*
- 4.69%
- 5Y*
- 3.51%
- 10Y*
- 3.08%
VFIAX
- 1D
- -0.39%
- 1M
- -7.69%
- YTD
- -7.06%
- 6M
- -4.61%
- 1Y
- 14.41%
- 3Y*
- 17.14%
- 5Y*
- 11.37%
- 10Y*
- 13.71%
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VTSPX vs. VFIAX - Expense Ratio Comparison
Both VTSPX 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
VTSPX vs. VFIAX — Risk / Return Rank
VTSPX
VFIAX
VTSPX vs. VFIAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) 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.
| VTSPX | VFIAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.31 | 0.84 | +1.47 |
Sortino ratioReturn per unit of downside risk | 3.51 | 1.30 | +2.22 |
Omega ratioGain probability vs. loss probability | 1.51 | 1.20 | +0.31 |
Calmar ratioReturn relative to maximum drawdown | 4.69 | 1.06 | +3.63 |
Martin ratioReturn relative to average drawdown | 14.73 | 5.13 | +9.60 |
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
| VTSPX | VFIAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.31 | 0.84 | +1.47 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.32 | 0.68 | +0.64 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.39 | 0.76 | +0.62 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.05 | 0.43 | +0.63 |
Correlation
The correlation between VTSPX and VFIAX is 0.06, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
VTSPX vs. VFIAX - Dividend Comparison
VTSPX's dividend yield for the trailing twelve months is around 3.58%, more than VFIAX's 1.22% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares | 3.58% | 3.81% | 2.70% | 2.86% | 6.84% | 4.69% | 1.21% | 1.96% | 2.47% | 1.52% | 0.80% | 0.00% |
VFIAX Vanguard 500 Index Fund Admiral Shares | 1.22% | 1.12% | 1.24% | 1.45% | 1.68% | 1.24% | 1.53% | 1.87% | 2.05% | 1.78% | 2.02% | 2.10% |
Drawdowns
VTSPX vs. VFIAX - Drawdown Comparison
The maximum VTSPX drawdown since its inception was -5.35%, smaller than the maximum VFIAX drawdown of -55.20%. Use the drawdown chart below to compare losses from any high point for VTSPX and VFIAX.
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Drawdown Indicators
| VTSPX | VFIAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.35% | -55.20% | +49.85% |
Max Drawdown (1Y)Largest decline over 1 year | -0.92% | -12.12% | +11.20% |
Max Drawdown (5Y)Largest decline over 5 years | -5.35% | -24.53% | +19.18% |
Max Drawdown (10Y)Largest decline over 10 years | -5.35% | -33.83% | +28.48% |
Current DrawdownCurrent decline from peak | -0.28% | -8.90% | +8.62% |
Average DrawdownAverage peak-to-trough decline | -1.02% | -9.46% | +8.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.29% | 2.49% | -2.20% |
Volatility
VTSPX vs. VFIAX - Volatility Comparison
The current volatility for Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) is 0.60%, while Vanguard 500 Index Fund Admiral Shares (VFIAX) has a volatility of 4.24%. This indicates that VTSPX 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
| VTSPX | VFIAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.60% | 4.24% | -3.64% |
Volatility (6M)Calculated over the trailing 6-month period | 0.96% | 9.08% | -8.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.78% | 18.13% | -16.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.67% | 16.86% | -14.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.23% | 18.03% | -15.80% |