VTSPX vs. EIRRX
Compare and contrast key facts about Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) and Eaton Vance Short Duration Inflation-Protected Income Fund (EIRRX).
VTSPX is managed by Vanguard. It was launched on Oct 17, 2012. EIRRX is managed by Eaton Vance. It was launched on Mar 31, 2010.
Performance
VTSPX vs. EIRRX - Performance Comparison
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VTSPX vs. EIRRX - 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% |
EIRRX Eaton Vance Short Duration Inflation-Protected Income Fund | 0.35% | 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, VTSPX achieves a 0.97% return, which is significantly higher than EIRRX's 0.35% return. Over the past 10 years, VTSPX has underperformed EIRRX with an annualized return of 3.08%, while EIRRX has yielded a comparatively higher 3.75% 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%
EIRRX
- 1D
- 0.25%
- 1M
- -0.15%
- YTD
- 0.35%
- 6M
- 0.45%
- 1Y
- 3.23%
- 3Y*
- 4.71%
- 5Y*
- 3.84%
- 10Y*
- 3.75%
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VTSPX vs. EIRRX - Expense Ratio Comparison
VTSPX has a 0.04% expense ratio, which is lower than EIRRX's 0.64% expense ratio.
Return for Risk
VTSPX vs. EIRRX — Risk / Return Rank
VTSPX
EIRRX
VTSPX vs. EIRRX - 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 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.
| VTSPX | EIRRX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.31 | 1.71 | +0.60 |
Sortino ratioReturn per unit of downside risk | 3.51 | 2.44 | +1.08 |
Omega ratioGain probability vs. loss probability | 1.51 | 1.38 | +0.13 |
Calmar ratioReturn relative to maximum drawdown | 4.69 | 2.14 | +2.55 |
Martin ratioReturn relative to average drawdown | 14.73 | 9.49 | +5.23 |
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 | EIRRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.31 | 1.71 | +0.60 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.32 | 1.36 | -0.03 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.39 | 1.36 | +0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.05 | 1.10 | -0.04 |
Correlation
The correlation between VTSPX and EIRRX is 0.76, 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
VTSPX vs. EIRRX - Dividend Comparison
VTSPX's dividend yield for the trailing twelve months is around 3.58%, less than EIRRX's 4.12% 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% |
EIRRX Eaton Vance Short Duration Inflation-Protected Income Fund | 4.12% | 3.57% | 4.08% | 4.50% | 5.07% | 3.54% | 2.21% | 2.66% | 2.91% | 2.13% | 2.24% | 2.05% |
Drawdowns
VTSPX vs. EIRRX - Drawdown Comparison
The maximum VTSPX drawdown since its inception was -5.35%, smaller than the maximum EIRRX drawdown of -10.27%. Use the drawdown chart below to compare losses from any high point for VTSPX and EIRRX.
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Drawdown Indicators
| VTSPX | EIRRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.35% | -10.27% | +4.92% |
Max Drawdown (1Y)Largest decline over 1 year | -0.92% | -1.18% | +0.26% |
Max Drawdown (5Y)Largest decline over 5 years | -5.35% | -6.22% | +0.87% |
Max Drawdown (10Y)Largest decline over 10 years | -5.35% | -10.27% | +4.92% |
Current DrawdownCurrent decline from peak | -0.28% | -0.54% | +0.26% |
Average DrawdownAverage peak-to-trough decline | -1.02% | -1.01% | -0.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.29% | 0.27% | +0.02% |
Volatility
VTSPX vs. EIRRX - Volatility Comparison
The current volatility for Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) is 0.60%, while Eaton Vance Short Duration Inflation-Protected Income Fund (EIRRX) has a volatility of 0.69%. This indicates that VTSPX experiences smaller price fluctuations and is considered to be less risky 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
| VTSPX | EIRRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.60% | 0.69% | -0.09% |
Volatility (6M)Calculated over the trailing 6-month period | 0.96% | 1.12% | -0.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.78% | 1.96% | -0.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.67% | 2.85% | -0.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.23% | 2.76% | -0.53% |