VIEIX vs. VDIPX

Last updated Apr 1, 2026

Compare and contrast key facts about Vanguard Extended Market Index Fund Institutional Shares (VIEIX) and Vanguard Developed Markets Index Fund Institutional Plus Shares (VDIPX).

VIEIX is managed by Vanguard. It was launched on Jul 7, 1997. VDIPX is managed by Vanguard. It was launched on Apr 1, 2014.

Performance

VIEIX vs. VDIPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Extended Market Index Fund Institutional Shares (VIEIX) and Vanguard Developed Markets Index Fund Institutional Plus Shares (VDIPX). The values are adjusted to include any dividend payments, if applicable.

VIEIX vs. VDIPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VIEIX Vanguard Extended Market Index Fund Institutional Shares	-4.54%	11.42%	15.49%	26.97%	-26.46%	12.46%	32.24%	28.05%	-9.36%	18.12%
VDIPX Vanguard Developed Markets Index Fund Institutional Plus Shares	-0.50%	35.15%	3.08%	17.78%	-15.35%	11.45%	10.26%	22.06%	-14.48%	26.48%

Returns By Period

In the year-to-date period, VIEIX achieves a -4.54% return, which is significantly lower than VDIPX's -0.50% return. Over the past 10 years, VIEIX has outperformed VDIPX with an annualized return of 10.56%, while VDIPX has yielded a comparatively lower 9.02% annualized return.

VIEIX

• 1D: -1.04%
• 1M: -7.75%
• YTD: -4.54%
• 6M: -4.39%
• 1Y: 16.80%
• 3Y*: 13.79%
• 5Y*: 3.66%
• 10Y*: 10.56%

VDIPX

• 1D: 0.03%
• 1M: -11.64%
• YTD: -0.50%
• 6M: 5.21%
• 1Y: 25.90%
• 3Y*: 14.85%
• 5Y*: 8.17%
• 10Y*: 9.02%

*Multi-year figures are annualized to reflect compound growth (CAGR)

VIEIX vs. VDIPX - Expense Ratio Comparison

VIEIX has a 0.05% expense ratio, which is higher than VDIPX's 0.04% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

VIEIX

Vanguard Extended Market Index Fund Institutional Shares

VDIPX

Vanguard Developed Markets Index Fund Institutional Plus Shares

Return for Risk

VIEIX vs. VDIPX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VIEIX

VIEIX Risk / Return Rank: 35
VIEIX Sharpe Ratio Rank: 33
VIEIX Sortino Ratio Rank: 35
VIEIX Omega Ratio Rank: 32
VIEIX Calmar Ratio Rank: 36
VIEIX Martin Ratio Rank: 37

VDIPX

VDIPX Risk / Return Rank: 81
VDIPX Sharpe Ratio Rank: 82
VDIPX Sortino Ratio Rank: 80
VDIPX Omega Ratio Rank: 78
VDIPX Calmar Ratio Rank: 83
VDIPX Martin Ratio Rank: 81

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.

VIEIX vs. VDIPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Extended Market Index Fund Institutional Shares (VIEIX) and Vanguard Developed Markets Index Fund Institutional Plus Shares (VDIPX). 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.

	VIEIX	VDIPX	Difference
Sharpe ratio Return per unit of total volatility	0.72	1.51	-0.79
Sortino ratio Return per unit of downside risk	1.16	2.01	-0.85
Omega ratio Gain probability vs. loss probability	1.16	1.30	-0.14
Calmar ratio Return relative to maximum drawdown	0.95	2.01	-1.07
Martin ratio Return relative to average drawdown	3.91	8.00	-4.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VIEIX vs. VDIPX - Sharpe Ratio Comparison

The current VIEIX Sharpe Ratio is 0.72, which is lower than the VDIPX Sharpe Ratio of 1.51. The chart below compares the historical Sharpe Ratios of VIEIX and VDIPX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	VIEIX	VDIPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.72	1.51	-0.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.16	0.53	-0.36
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.48	0.55	-0.08
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.47	-0.09

Correlation

The correlation between VIEIX and VDIPX is 0.75, 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

VIEIX vs. VDIPX - Dividend Comparison

VIEIX's dividend yield for the trailing twelve months is around 1.22%, less than VDIPX's 3.04% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VIEIX Vanguard Extended Market Index Fund Institutional Shares	1.22%	1.14%	1.10%	1.26%	1.16%	1.14%	1.08%	1.31%	1.67%	1.27%	1.45%	1.37%
VDIPX Vanguard Developed Markets Index Fund Institutional Plus Shares	3.04%	3.23%	3.37%	3.16%	2.92%	3.17%	2.05%	3.05%	3.36%	2.79%	3.08%	2.95%

Drawdowns

VIEIX vs. VDIPX - Drawdown Comparison

The maximum VIEIX drawdown since its inception was -58.03%, which is greater than VDIPX's maximum drawdown of -35.61%. Use the drawdown chart below to compare losses from any high point for VIEIX and VDIPX.

Drawdown Indicators

	VIEIX	VDIPX	Difference
Max Drawdown Largest peak-to-trough decline	-58.03%	-35.61%	-22.42%
Max Drawdown (1Y) Largest decline over 1 year	-14.63%	-11.67%	-2.96%
Max Drawdown (5Y) Largest decline over 5 years	-36.32%	-29.69%	-6.63%
Max Drawdown (10Y) Largest decline over 10 years	-41.62%	-35.61%	-6.01%
Current Drawdown Current decline from peak	-10.25%	-11.64%	+1.39%
Average Drawdown Average peak-to-trough decline	-13.91%	-7.28%	-6.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.54%	2.94%	+0.60%

Volatility

VIEIX vs. VDIPX - Volatility Comparison

The current volatility for Vanguard Extended Market Index Fund Institutional Shares (VIEIX) is 6.02%, while Vanguard Developed Markets Index Fund Institutional Plus Shares (VDIPX) has a volatility of 7.07%. This indicates that VIEIX experiences smaller price fluctuations and is considered to be less risky than VDIPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VIEIX	VDIPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.02%	7.07%	-1.05%
Volatility (6M) Calculated over the trailing 6-month period	13.07%	10.90%	+2.17%
Volatility (1Y) Calculated over the trailing 1-year period	22.79%	16.46%	+6.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.33%	15.61%	+6.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.30%	16.41%	+5.89%