VAIPX vs. VIPSX
Compare and contrast key facts about Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) and Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX).
VAIPX is managed by Vanguard. It was launched on Jun 10, 2005. VIPSX is managed by Vanguard. It was launched on Jun 29, 2000.
Performance
VAIPX vs. VIPSX - Performance Comparison
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VAIPX vs. VIPSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares | 0.30% | 6.87% | 1.85% | 3.83% | -11.92% | 5.69% | 10.96% | 8.16% | -1.39% | 2.91% |
VIPSX Vanguard Inflation-Protected Securities Fund Investor Shares | 0.26% | 6.77% | 1.74% | 3.73% | -12.04% | 5.57% | 10.90% | 8.06% | -1.48% | 2.81% |
Returns By Period
In the year-to-date period, VAIPX achieves a 0.30% return, which is significantly higher than VIPSX's 0.26% return. Both investments have delivered pretty close results over the past 10 years, with VAIPX having a 2.55% annualized return and VIPSX not far behind at 2.44%.
VAIPX
- 1D
- 0.66%
- 1M
- -1.41%
- YTD
- 0.30%
- 6M
- 0.40%
- 1Y
- 2.94%
- 3Y*
- 3.07%
- 5Y*
- 1.36%
- 10Y*
- 2.55%
VIPSX
- 1D
- 0.60%
- 1M
- -1.43%
- YTD
- 0.26%
- 6M
- 0.29%
- 1Y
- 2.76%
- 3Y*
- 2.96%
- 5Y*
- 1.25%
- 10Y*
- 2.44%
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VAIPX vs. VIPSX - Expense Ratio Comparison
VAIPX has a 0.10% expense ratio, which is lower than VIPSX's 0.20% 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%.
Return for Risk
VAIPX vs. VIPSX — Risk / Return Rank
VAIPX
VIPSX
VAIPX vs. VIPSX - 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 Inflation-Protected Securities Fund Investor Shares (VIPSX). 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 | VIPSX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.83 | 0.80 | +0.03 |
Sortino ratioReturn per unit of downside risk | 1.16 | 1.11 | +0.05 |
Omega ratioGain probability vs. loss probability | 1.15 | 1.14 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.38 | 1.34 | +0.04 |
Martin ratioReturn relative to average drawdown | 4.17 | 3.99 | +0.18 |
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 | VIPSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.83 | 0.80 | +0.03 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.23 | 0.21 | +0.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.48 | 0.46 | +0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | 0.75 | -0.25 |
Correlation
The correlation between VAIPX and VIPSX is 0.99, 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. VIPSX - Dividend Comparison
VAIPX's dividend yield for the trailing twelve months is around 4.46%, more than VIPSX's 4.39% 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% |
VIPSX Vanguard Inflation-Protected Securities Fund Investor Shares | 4.39% | 4.64% | 4.07% | 4.20% | 8.34% | 5.03% | 1.28% | 2.22% | 3.03% | 2.32% | 3.38% | 0.77% |
Drawdowns
VAIPX vs. VIPSX - Drawdown Comparison
The maximum VAIPX drawdown since its inception was -15.04%, roughly equal to the maximum VIPSX drawdown of -15.13%. Use the drawdown chart below to compare losses from any high point for VAIPX and VIPSX.
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Drawdown Indicators
| VAIPX | VIPSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.04% | -15.13% | +0.09% |
Max Drawdown (1Y)Largest decline over 1 year | -2.85% | -2.84% | -0.01% |
Max Drawdown (5Y)Largest decline over 5 years | -14.40% | -14.55% | +0.15% |
Max Drawdown (10Y)Largest decline over 10 years | -14.40% | -14.55% | +0.15% |
Current DrawdownCurrent decline from peak | -1.41% | -1.43% | +0.02% |
Average DrawdownAverage peak-to-trough decline | -3.84% | -3.26% | -0.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.94% | 0.95% | -0.01% |
Volatility
VAIPX vs. VIPSX - Volatility Comparison
Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) and Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX) have volatilities of 1.42% and 1.37%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VAIPX | VIPSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.42% | 1.37% | +0.05% |
Volatility (6M)Calculated over the trailing 6-month period | 2.28% | 2.31% | -0.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.11% | 4.12% | -0.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.00% | 6.00% | 0.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.34% | 5.34% | 0.00% |