VIPIX vs. EARRX
VIPIX (Vanguard Inflation-Protected Securities Fund Institutional Shares) and EARRX (Eaton Vance Short Duration Inflation-Protected Income Fund Class A) are both Inflation-Protected Bonds funds. Over the past 10 years, VIPIX returned 2.67%/yr vs 3.66%/yr for EARRX. A 0.60 correlation means they provide meaningful diversification when combined. VIPIX charges 0.07%/yr vs 0.85%/yr for EARRX.
Performance
VIPIX vs. EARRX - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with VIPIX having a 1.59% return and EARRX slightly lower at 1.58%. Over the past 10 years, VIPIX has underperformed EARRX with an annualized return of 2.67%, while EARRX has yielded a comparatively higher 3.66% annualized return.
VIPIX
- 1D
- -0.11%
- 1M
- 0.11%
- YTD
- 1.59%
- 6M
- 1.20%
- 1Y
- 5.29%
- 3Y*
- 4.06%
- 5Y*
- 1.18%
- 10Y*
- 2.67%
EARRX
- 1D
- 0.00%
- 1M
- 0.00%
- YTD
- 1.58%
- 6M
- 1.52%
- 1Y
- 3.80%
- 3Y*
- 5.40%
- 5Y*
- 3.65%
- 10Y*
- 3.66%
VIPIX vs. EARRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VIPIX Vanguard Inflation-Protected Securities Fund Institutional Shares | 1.59% | 6.98% | 1.85% | 3.85% | -11.93% | 5.73% | 11.05% | 8.18% | -1.40% | 2.97% |
EARRX Eaton Vance Short Duration Inflation-Protected Income Fund Class A | 1.58% | 5.46% | 5.39% | 5.95% | -3.22% | 7.50% | 5.05% | 5.29% | -0.49% | 1.81% |
Correlation
The correlation between VIPIX and EARRX is 0.66, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.66 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.72 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.72 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.63 |
Correlation (All Time) Calculated using the full available price history since Aug 6, 2012 | 0.60 |
The correlation between VIPIX and EARRX shifts across timeframes, from 0.60 (all time) to 0.72 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
VIPIX vs. EARRX — Risk / Return Rank
VIPIX
EARRX
VIPIX vs. EARRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) and Eaton Vance Short Duration Inflation-Protected Income Fund Class A (EARRX). 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.
| VIPIX | EARRX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.05 | ||
| Sortino ratioReturn per unit of downside risk | -1.81 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.57 | -0.30 |
| Calmar ratioReturn relative to maximum drawdown | 2.60 | 4.84 | -2.24 |
| Martin ratioReturn relative to average drawdown | 7.88 | 18.23 | -10.35 |
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
| VIPIX | EARRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.49 | 2.55 | -1.05 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.20 | 1.32 | -1.12 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.50 | 1.35 | -0.85 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.62 | 1.07 | -0.45 |
Drawdowns
VIPIX vs. EARRX - Drawdown Comparison
The maximum VIPIX drawdown since its inception was -15.04%, which is greater than EARRX's maximum drawdown of -10.27%. Use the drawdown chart below to compare losses from any high point for VIPIX and EARRX.
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Drawdown Indicators
| VIPIX | EARRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.04% | -10.27% | -4.77% |
Max Drawdown (1Y)Largest decline over 1 year | -2.00% | -0.79% | -1.21% |
Max Drawdown (3Y)Largest decline over 3 years | -4.46% | -1.18% | -3.28% |
Max Drawdown (5Y)Largest decline over 5 years | -14.33% | -6.39% | -7.94% |
Max Drawdown (10Y)Largest decline over 10 years | -14.33% | -10.27% | -4.06% |
Current DrawdownCurrent decline from peak | -0.12% | -0.10% | -0.02% |
Average DrawdownAverage peak-to-trough decline | -3.35% | -1.08% | -2.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.66% | 0.21% | +0.45% |
Volatility
VIPIX vs. EARRX - Volatility Comparison
Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) has a higher volatility of 1.03% compared to Eaton Vance Short Duration Inflation-Protected Income Fund Class A (EARRX) at 0.49%. This indicates that VIPIX's price experiences larger fluctuations and is considered to be riskier than EARRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VIPIX | EARRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.03% | 0.49% | +0.54% |
Volatility (6M)Calculated over the trailing 6-month period | 2.42% | 1.14% | +1.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.49% | 1.50% | +1.99% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.03% | 2.77% | +3.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.37% | 2.71% | +2.66% |
VIPIX vs. EARRX - Expense Ratio Comparison
VIPIX has a 0.07% expense ratio, which is lower than EARRX's 0.85% expense ratio.
Dividends
VIPIX vs. EARRX - Dividend Comparison
VIPIX's dividend yield for the trailing twelve months is around 4.52%, more than EARRX's 3.82% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
EARRX Eaton Vance Short Duration Inflation-Protected Income Fund Class A | 3.82% | 4.36% | 3.83% | 4.24% | 4.82% | 3.32% | 2.02% | 2.46% | 2.67% | 1.90% | 2.00% | 1.73% |
VIPIX Vanguard Inflation-Protected Securities Fund Institutional Shares | 4.52% | 4.77% | 4.20% | 4.34% | 8.49% | 5.16% | 1.41% | 2.32% | 3.15% | 2.45% | 3.50% | 0.91% |
Frequently Asked Questions
VIPIX and EARRX have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VIPIX has higher volatility (1.03%) compared to EARRX (0.49%). In terms of maximum drawdown, VIPIX dropped -15.04% vs EARRX's -10.27%.
EARRX currently has the higher Sharpe Ratio (2.55 vs 1.49), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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