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VTSPX vs. EARRX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

VTSPX vs. EARRX

Last updated Apr 1, 2026

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 Class A (EARRX).

VTSPX is managed by Vanguard. It was launched on Oct 17, 2012. EARRX is managed by Eaton Vance. It was launched on Mar 31, 2010.

Performance

VTSPX vs. EARRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) and Eaton Vance Short Duration Inflation-Protected Income Fund Class A (EARRX). The values are adjusted to include any dividend payments, if applicable.

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VTSPX vs. EARRX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
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%
EARRX
Eaton Vance Short Duration Inflation-Protected Income Fund Class A		0.28%5.46%5.39%5.95%-3.22%7.50%5.05%5.29%-0.49%1.81%

Returns By Period

In the year-to-date period, VTSPX achieves a 0.97% return, which is significantly higher than EARRX's 0.28% return. Over the past 10 years, VTSPX has underperformed EARRX with an annualized return of 3.08%, while EARRX has yielded a comparatively higher 3.60% 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%

EARRX

1D
0.18%
1M
-0.21%
YTD
0.28%
6M
0.32%
1Y
2.98%
3Y*
4.81%
5Y*
3.78%
10Y*
3.60%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares

Eaton Vance Short Duration Inflation-Protected Income Fund Class A

Often compared with VTSPX:
VTSPX vs. VTAPXVTSPX vs. VBTIXVTSPX vs. VBMPXVTSPX vs. VTIPVTSPX vs. VIGIXVTSPX vs. VTIPXVTSPX vs. VFITX
Often compared with EARRX:
EARRX vs. RCTIXEARRX vs. SPIBEARRX vs. BIIPXEARRX vs. DFAAXEARRX vs. FFNYXEARRX vs. TIILXEARRX vs. VIPIX

VTSPX vs. EARRX - Expense Ratio Comparison

VTSPX has a 0.04% expense ratio, which is lower than EARRX's 0.85% expense ratio.

EARRX
Eaton Vance Short Duration Inflation-Protected Income Fund Class A
VTSPX
Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares

Return for Risk

VTSPX vs. EARRX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
VTSPX
VTSPX Risk / Return Rank: 9696
Overall Rank
VTSPX Sharpe Ratio Rank: 9595
Sharpe Ratio Rank
VTSPX Sortino Ratio Rank: 9696
Sortino Ratio Rank
VTSPX Omega Ratio Rank: 9595
Omega Ratio Rank
VTSPX Calmar Ratio Rank: 9898
Calmar Ratio Rank
VTSPX Martin Ratio Rank: 9696
Martin Ratio Rank
EARRX
EARRX Risk / Return Rank: 8888
Overall Rank
EARRX Sharpe Ratio Rank: 8484
Sharpe Ratio Rank
EARRX Sortino Ratio Rank: 8686
Sortino Ratio Rank
EARRX Omega Ratio Rank: 8686
Omega Ratio Rank
EARRX Calmar Ratio Rank: 9292
Calmar Ratio Rank
EARRX Martin Ratio Rank: 9494
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VTSPX vs. EARRX - 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 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.

VTSPXEARRXDifference

Sharpe ratio

Return per unit of total volatility

2.31

1.60

+0.70

Sortino ratio

Return per unit of downside risk

3.51

2.29

+1.23

Omega ratio

Gain probability vs. loss probability

1.51

1.36

+0.15

Calmar ratio

Return relative to maximum drawdown

4.69

2.76

+1.93

Martin ratio

Return relative to average drawdown

14.73

12.19

+2.54

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VTSPX vs. EARRX - Sharpe Ratio Comparison

The current VTSPX Sharpe Ratio is 2.31, which is higher than the EARRX Sharpe Ratio of 1.60. The chart below compares the historical Sharpe Ratios of VTSPX and EARRX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

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Sharpe Ratios by Period

VTSPXEARRXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.31

1.60

+0.70

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

1.32

1.37

-0.05

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

1.39

1.33

+0.06

Sharpe Ratio (All Time)

Calculated using the full available price history

1.05

1.04

+0.01

Correlation

The correlation between VTSPX and EARRX is 0.77, 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. EARRX - Dividend Comparison

VTSPX's dividend yield for the trailing twelve months is around 3.58%, less than EARRX's 3.87% yield.

TTM20252024202320222021202020192018201720162015
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%
EARRX
Eaton Vance Short Duration Inflation-Protected Income Fund Class A		3.87%4.36%3.83%4.24%4.82%3.32%2.02%2.46%2.67%1.90%2.00%1.73%

Drawdowns

VTSPX vs. EARRX - Drawdown Comparison

The maximum VTSPX drawdown since its inception was -5.35%, smaller than the maximum EARRX drawdown of -10.27%. Use the drawdown chart below to compare losses from any high point for VTSPX and EARRX.

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Drawdown Indicators

VTSPXEARRXDifference

Max Drawdown

Largest 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%

-6.39%

+1.04%

Max Drawdown (10Y)

Largest decline over 10 years

-5.35%

-10.27%

+4.92%

Current Drawdown

Current decline from peak

-0.28%

-0.51%

+0.23%

Average Drawdown

Average peak-to-trough decline

-1.02%

-1.09%

+0.07%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.29%

0.27%

+0.02%

Volatility

VTSPX vs. EARRX - Volatility Comparison

Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) and Eaton Vance Short Duration Inflation-Protected Income Fund Class A (EARRX) have volatilities of 0.60% and 0.58%, 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

VTSPXEARRXDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.60%

0.58%

+0.02%

Volatility (6M)

Calculated over the trailing 6-month period

0.96%

1.05%

-0.09%

Volatility (1Y)

Calculated over the trailing 1-year period

1.78%

1.87%

-0.09%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

2.67%

2.78%

-0.11%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

2.23%

2.71%

-0.48%