VAIPX vs. VIITX
Compare and contrast key facts about Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) and Vanguard Institutional Intermediate-Term Bond Fund (VIITX).
VAIPX is managed by Vanguard. It was launched on Jun 10, 2005. VIITX is managed by Vanguard. It was launched on Jun 19, 2015.
Performance
VAIPX vs. VIITX - Performance Comparison
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VAIPX vs. VIITX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares | 0.35% | 6.87% | 1.85% | 3.83% | -11.92% | 5.69% | 10.96% | 8.16% | -1.39% | 2.91% |
VIITX Vanguard Institutional Intermediate-Term Bond Fund | 0.13% | 7.23% | 3.67% | 5.31% | -7.99% | -1.02% | 6.17% | 6.44% | 0.87% | 2.00% |
Returns By Period
In the year-to-date period, VAIPX achieves a 0.35% return, which is significantly higher than VIITX's 0.13% return. Over the past 10 years, VAIPX has outperformed VIITX with an annualized return of 2.55%, while VIITX has yielded a comparatively lower 2.15% annualized return.
VAIPX
- 1D
- 0.04%
- 1M
- -1.07%
- YTD
- 0.35%
- 6M
- 0.23%
- 1Y
- 2.90%
- 3Y*
- 3.09%
- 5Y*
- 1.33%
- 10Y*
- 2.55%
VIITX
- 1D
- 0.19%
- 1M
- -0.97%
- YTD
- 0.13%
- 6M
- 1.27%
- 1Y
- 4.77%
- 3Y*
- 4.66%
- 5Y*
- 1.58%
- 10Y*
- 2.15%
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VAIPX vs. VIITX - Expense Ratio Comparison
VAIPX has a 0.10% expense ratio, which is higher than VIITX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
VAIPX vs. VIITX — Risk / Return Rank
VAIPX
VIITX
VAIPX vs. VIITX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) and Vanguard Institutional Intermediate-Term Bond Fund (VIITX). 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.
| VAIPX | VIITX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.74 | 1.80 | -1.07 |
Sortino ratioReturn per unit of downside risk | 1.03 | 2.65 | -1.63 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.34 | -0.21 |
Calmar ratioReturn relative to maximum drawdown | 1.20 | 2.66 | -1.45 |
Martin ratioReturn relative to average drawdown | 3.63 | 9.91 | -6.28 |
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
| VAIPX | VIITX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.74 | 1.80 | -1.07 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.22 | 0.41 | -0.19 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.48 | 0.71 | -0.23 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | 0.75 | -0.25 |
Correlation
The correlation between VAIPX and VIITX is 0.78, 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
VAIPX vs. VIITX - Dividend Comparison
VAIPX's dividend yield for the trailing twelve months is around 4.46%, more than VIITX's 4.16% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares | 4.46% | 4.74% | 4.17% | 4.31% | 8.45% | 5.13% | 1.38% | 2.29% | 3.12% | 2.41% | 3.49% | 0.88% |
VIITX Vanguard Institutional Intermediate-Term Bond Fund | 4.16% | 4.51% | 4.71% | 3.61% | 2.14% | 2.20% | 2.87% | 2.69% | 2.62% | 2.04% | 2.95% | 0.57% |
Drawdowns
VAIPX vs. VIITX - Drawdown Comparison
The maximum VAIPX drawdown since its inception was -15.04%, which is greater than VIITX's maximum drawdown of -11.86%. Use the drawdown chart below to compare losses from any high point for VAIPX and VIITX.
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Drawdown Indicators
| VAIPX | VIITX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.04% | -11.86% | -3.18% |
Max Drawdown (1Y)Largest decline over 1 year | -2.85% | -1.89% | -0.96% |
Max Drawdown (5Y)Largest decline over 5 years | -14.40% | -11.86% | -2.54% |
Max Drawdown (10Y)Largest decline over 10 years | -14.40% | -11.86% | -2.54% |
Current DrawdownCurrent decline from peak | -1.37% | -1.30% | -0.07% |
Average DrawdownAverage peak-to-trough decline | -3.84% | -2.15% | -1.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.94% | 0.51% | +0.43% |
Volatility
VAIPX vs. VIITX - Volatility Comparison
Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) has a higher volatility of 1.40% compared to Vanguard Institutional Intermediate-Term Bond Fund (VIITX) at 1.15%. This indicates that VAIPX's price experiences larger fluctuations and is considered to be riskier than VIITX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VAIPX | VIITX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.40% | 1.15% | +0.25% |
Volatility (6M)Calculated over the trailing 6-month period | 2.28% | 1.72% | +0.56% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.10% | 2.74% | +1.36% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.00% | 3.82% | +2.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.34% | 3.05% | +2.29% |