VIEIX vs. VGTSX

Last updated Apr 2, 2026

Compare and contrast key facts about Vanguard Extended Market Index Fund Institutional Shares (VIEIX) and Vanguard Total International Stock Index Fund Investor Shares (VGTSX).

VIEIX is managed by Vanguard. It was launched on Jul 7, 1997. VGTSX is managed by Vanguard. It was launched on Apr 29, 1996.

Performance

VIEIX vs. VGTSX - 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 Total International Stock Index Fund Investor Shares (VGTSX). The values are adjusted to include any dividend payments, if applicable.

VIEIX vs. VGTSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VIEIX Vanguard Extended Market Index Fund Institutional Shares	-1.26%	11.42%	15.49%	26.97%	-26.46%	12.46%	32.24%	28.05%	-9.36%	18.12%
VGTSX Vanguard Total International Stock Index Fund Investor Shares	1.72%	32.05%	5.30%	15.18%	-16.07%	8.58%	11.15%	21.44%	-14.47%	27.39%

Returns By Period

In the year-to-date period, VIEIX achieves a -1.26% return, which is significantly lower than VGTSX's 1.72% return. Over the past 10 years, VIEIX has outperformed VGTSX with an annualized return of 10.93%, while VGTSX has yielded a comparatively lower 8.74% annualized return.

VIEIX

• 1D: 3.43%
• 1M: -5.36%
• YTD: -1.26%
• 6M: -1.37%
• 1Y: 20.15%
• 3Y*: 15.08%
• 5Y*: 4.00%
• 10Y*: 10.93%

VGTSX

• 1D: 2.80%
• 1M: -7.27%
• YTD: 1.72%
• 6M: 5.66%
• 1Y: 26.99%
• 3Y*: 15.17%
• 5Y*: 7.13%
• 10Y*: 8.74%

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

VIEIX vs. VGTSX - Expense Ratio Comparison

VIEIX has a 0.05% expense ratio, which is lower than VGTSX's 0.17% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

VGTSX

Vanguard Total International Stock Index Fund Investor Shares

VIEIX

Vanguard Extended Market Index Fund Institutional Shares

Return for Risk

VIEIX vs. VGTSX — Risk / Return Rank

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

VIEIX

VIEIX Risk / Return Rank: 49
VIEIX Sharpe Ratio Rank: 42
VIEIX Sortino Ratio Rank: 46
VIEIX Omega Ratio Rank: 41
VIEIX Calmar Ratio Rank: 56
VIEIX Martin Ratio Rank: 58

VGTSX

VGTSX Risk / Return Rank: 86
VGTSX Sharpe Ratio Rank: 87
VGTSX Sortino Ratio Rank: 85
VGTSX Omega Ratio Rank: 84
VGTSX Calmar Ratio Rank: 88
VGTSX Martin Ratio Rank: 86

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. VGTSX - 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 Total International Stock Index Fund Investor Shares (VGTSX). 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	VGTSX	Difference
Sharpe ratio Return per unit of total volatility	0.91	1.75	-0.84
Sortino ratio Return per unit of downside risk	1.41	2.31	-0.91
Omega ratio Gain probability vs. loss probability	1.19	1.35	-0.16
Calmar ratio Return relative to maximum drawdown	1.39	2.34	-0.95
Martin ratio Return relative to average drawdown	5.71	9.18	-3.47
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. VGTSX - Sharpe Ratio Comparison

The current VIEIX Sharpe Ratio is 0.91, which is lower than the VGTSX Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of VIEIX and VGTSX, 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	VGTSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.91	1.75	-0.84
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.18	0.48	-0.30
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.55	-0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.38	0.30	+0.08

Correlation

The correlation between VIEIX and VGTSX is 0.69, 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

VIEIX vs. VGTSX - Dividend Comparison

VIEIX's dividend yield for the trailing twelve months is around 1.18%, less than VGTSX's 2.87% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VIEIX Vanguard Extended Market Index Fund Institutional Shares	1.18%	1.14%	1.10%	1.26%	1.16%	1.14%	1.08%	1.31%	1.67%	1.27%	1.45%	1.37%
VGTSX Vanguard Total International Stock Index Fund Investor Shares	2.87%	3.08%	3.26%	3.16%	2.98%	2.99%	2.05%	2.98%	3.09%	2.68%	2.86%	2.77%

Drawdowns

VIEIX vs. VGTSX - Drawdown Comparison

The maximum VIEIX drawdown since its inception was -58.03%, smaller than the maximum VGTSX drawdown of -61.48%. Use the drawdown chart below to compare losses from any high point for VIEIX and VGTSX.

Drawdown Indicators

	VIEIX	VGTSX	Difference
Max Drawdown Largest peak-to-trough decline	-58.03%	-61.48%	+3.45%
Max Drawdown (1Y) Largest decline over 1 year	-14.63%	-11.29%	-3.34%
Max Drawdown (5Y) Largest decline over 5 years	-36.32%	-29.61%	-6.71%
Max Drawdown (10Y) Largest decline over 10 years	-41.62%	-35.93%	-5.69%
Current Drawdown Current decline from peak	-7.17%	-8.81%	+1.64%
Average Drawdown Average peak-to-trough decline	-13.91%	-14.04%	+0.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.57%	2.88%	+0.69%

Volatility

VIEIX vs. VGTSX - Volatility Comparison

The current volatility for Vanguard Extended Market Index Fund Institutional Shares (VIEIX) is 7.01%, while Vanguard Total International Stock Index Fund Investor Shares (VGTSX) has a volatility of 7.46%. This indicates that VIEIX experiences smaller price fluctuations and is considered to be less risky than VGTSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VIEIX	VGTSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.01%	7.46%	-0.45%
Volatility (6M) Calculated over the trailing 6-month period	13.51%	10.82%	+2.69%
Volatility (1Y) Calculated over the trailing 1-year period	22.99%	15.70%	+7.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.38%	14.83%	+7.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.33%	15.85%	+6.48%