VAIPX vs. EIRRX
Compare and contrast key facts about Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) and Eaton Vance Short Duration Inflation-Protected Income Fund (EIRRX).
VAIPX is managed by Vanguard. It was launched on Jun 10, 2005. EIRRX is managed by Eaton Vance. It was launched on Mar 31, 2010.
Performance
VAIPX vs. EIRRX - Performance Comparison
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VAIPX vs. EIRRX - 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% |
EIRRX Eaton Vance Short Duration Inflation-Protected Income Fund | 0.45% | 4.63% | 5.65% | 6.33% | -3.08% | 7.84% | 5.25% | 5.60% | -0.15% | 1.94% |
Returns By Period
In the year-to-date period, VAIPX achieves a 0.35% return, which is significantly lower than EIRRX's 0.45% return. Over the past 10 years, VAIPX has underperformed EIRRX with an annualized return of 2.55%, while EIRRX has yielded a comparatively higher 3.76% 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%
EIRRX
- 1D
- 0.10%
- 1M
- 0.05%
- YTD
- 0.45%
- 6M
- 0.45%
- 1Y
- 3.33%
- 3Y*
- 4.75%
- 5Y*
- 3.82%
- 10Y*
- 3.76%
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VAIPX vs. EIRRX - Expense Ratio Comparison
VAIPX has a 0.10% expense ratio, which is lower than EIRRX's 0.64% expense ratio.
Return for Risk
VAIPX vs. EIRRX — Risk / Return Rank
VAIPX
EIRRX
VAIPX vs. EIRRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) and Eaton Vance Short Duration Inflation-Protected Income Fund (EIRRX). 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 | EIRRX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.74 | 1.71 | -0.97 |
Sortino ratioReturn per unit of downside risk | 1.03 | 2.44 | -1.41 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.38 | -0.25 |
Calmar ratioReturn relative to maximum drawdown | 1.20 | 2.91 | -1.71 |
Martin ratioReturn relative to average drawdown | 3.63 | 12.86 | -9.22 |
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 | EIRRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.74 | 1.71 | -0.97 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.22 | 1.35 | -1.13 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.48 | 1.37 | -0.89 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | 1.10 | -0.59 |
Correlation
The correlation between VAIPX and EIRRX is 0.60, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
VAIPX vs. EIRRX - Dividend Comparison
VAIPX's dividend yield for the trailing twelve months is around 4.46%, more than EIRRX's 4.11% 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% |
EIRRX Eaton Vance Short Duration Inflation-Protected Income Fund | 4.11% | 3.57% | 4.08% | 4.50% | 5.07% | 3.54% | 2.21% | 2.66% | 2.91% | 2.13% | 2.24% | 2.05% |
Drawdowns
VAIPX vs. EIRRX - Drawdown Comparison
The maximum VAIPX drawdown since its inception was -15.04%, which is greater than EIRRX's maximum drawdown of -10.27%. Use the drawdown chart below to compare losses from any high point for VAIPX and EIRRX.
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Drawdown Indicators
| VAIPX | EIRRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.04% | -10.27% | -4.77% |
Max Drawdown (1Y)Largest decline over 1 year | -2.85% | -1.18% | -1.67% |
Max Drawdown (5Y)Largest decline over 5 years | -14.40% | -6.22% | -8.18% |
Max Drawdown (10Y)Largest decline over 10 years | -14.40% | -10.27% | -4.13% |
Current DrawdownCurrent decline from peak | -1.37% | -0.44% | -0.93% |
Average DrawdownAverage peak-to-trough decline | -3.84% | -1.01% | -2.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.94% | 0.27% | +0.67% |
Volatility
VAIPX vs. EIRRX - Volatility Comparison
Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) has a higher volatility of 1.40% compared to Eaton Vance Short Duration Inflation-Protected Income Fund (EIRRX) at 0.69%. This indicates that VAIPX's price experiences larger fluctuations and is considered to be riskier than EIRRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VAIPX | EIRRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.40% | 0.69% | +0.71% |
Volatility (6M)Calculated over the trailing 6-month period | 2.28% | 1.13% | +1.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.10% | 1.96% | +2.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.00% | 2.85% | +3.15% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.34% | 2.76% | +2.58% |