EMXC vs. VIEIX

Last updated Jun 14, 2026

EMXC (iShares MSCI Emerging Markets ex China ETF) and VIEIX (Vanguard Extended Market Index Fund Institutional Shares) are both funds - EMXC is a Emerging Markets Equities fund tracking the MSCI Emerging Markets ex China Index, while VIEIX is a Mid Cap Blend Equities fund managed by Vanguard. Over the past 5 years, EMXC returned 12.14%/yr vs 6.07%/yr for VIEIX. A 0.64 correlation means they provide meaningful diversification when combined. EMXC charges 0.49%/yr vs 0.05%/yr for VIEIX.

Performance

EMXC vs. VIEIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MSCI Emerging Markets ex China ETF (EMXC) and Vanguard Extended Market Index Fund Institutional Shares (VIEIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EMXC achieves a 37.25% return, which is significantly higher than VIEIX's 13.86% return.

EMXC

• 1D: 0.55%
• 1M: 6.57%
• YTD: 37.25%
• 6M: 42.23%
• 1Y: 67.80%
• 3Y*: 26.47%
• 5Y*: 12.14%
• 10Y*: —

VIEIX

• 1D: 2.96%
• 1M: 5.63%
• YTD: 13.86%
• 6M: 11.71%
• 1Y: 29.57%
• 3Y*: 18.99%
• 5Y*: 6.07%
• 10Y*: 12.24%

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

EMXC vs. VIEIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
EMXC iShares MSCI Emerging Markets ex China ETF	37.25%	35.14%	2.68%	18.96%	-19.56%	8.54%	12.76%	15.80%	-12.96%	7.16%
VIEIX Vanguard Extended Market Index Fund Institutional Shares	13.86%	11.42%	15.49%	26.97%	-26.46%	12.46%	32.24%	28.05%	-9.36%	7.34%

Correlation

The correlation between EMXC and VIEIX is 0.67, 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	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (All Time) Calculated using the full available price history since Jul 26, 2017	0.64

The correlation between EMXC and VIEIX has been stable across timeframes, ranging from 0.64 to 0.69 - a consistent structural relationship.

EMXC vs. VIEIX - Sectors Allocation Comparison

Sectors	EMXC	VIEIX
Technology	52.4%	19.8%
Financial Services	17.4%	14.6%
Industrials	6.9%	19.3%
Basic Materials	6.0%	4.2%
Consumer Cyclical	4.1%	9.7%
Energy	3.4%	5.1%
Communication Services	3.0%	3.3%
Consumer Defensive	2.4%	2.7%
Utilities	1.9%	2.0%
Healthcare	1.8%	13.3%
Real Estate	0.8%	6.0%

Return for Risk

EMXC vs. VIEIX — Risk / Return Rank

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

EMXC

EMXC Risk / Return Rank: 89
EMXC Sharpe Ratio Rank: 91
EMXC Sortino Ratio Rank: 86
EMXC Omega Ratio Rank: 90
EMXC Calmar Ratio Rank: 88
EMXC Martin Ratio Rank: 89

VIEIX

VIEIX Risk / Return Rank: 51
VIEIX Sharpe Ratio Rank: 44
VIEIX Sortino Ratio Rank: 43
VIEIX Omega Ratio Rank: 39
VIEIX Calmar Ratio Rank: 70
VIEIX Martin Ratio Rank: 58

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.

EMXC vs. VIEIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI Emerging Markets ex China ETF (EMXC) and Vanguard Extended Market Index Fund Institutional Shares (VIEIX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	EMXC	VIEIX	Difference
Sharpe ratio: Return per unit of total volatility	2.74	1.53	+1.22
Sortino ratio: Return per unit of downside risk	3.35	2.16	+1.19
Omega ratio: Gain probability vs. loss probability	1.50	1.26	+0.24
Calmar ratio: Return relative to maximum drawdown	4.55	2.66	+1.90
Martin ratio: Return relative to average drawdown	17.51	9.32	+8.20

EMXC vs. VIEIX - Sharpe Ratio Comparison

The current EMXC Sharpe Ratio is 2.74, which is higher than the VIEIX Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of EMXC and VIEIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

EMXC vs. VIEIX - Drawdown Comparison

The maximum EMXC drawdown since its inception was -42.81%, smaller than the maximum VIEIX drawdown of -58.03%. Use the drawdown chart below to compare losses from any high point for EMXC and VIEIX.

Drawdown Indicators

	EMXC	VIEIX	Difference
Max Drawdown Largest peak-to-trough decline	-42.81%	-58.03%	+15.22%
Max Drawdown (1Y) Largest decline over 1 year	-14.41%	-10.25%	-4.16%
Max Drawdown (3Y) Largest decline over 3 years	-19.12%	-26.84%	+7.72%
Max Drawdown (5Y) Largest decline over 5 years	-28.91%	-36.32%	+7.41%
Max Drawdown (10Y) Largest decline over 10 years	—	-41.62%	—
Current Drawdown Current decline from peak	-4.12%	-1.04%	-3.08%
Average Drawdown Average peak-to-trough decline	-10.17%	-13.82%	+3.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.74%	2.92%	+0.82%

Volatility

EMXC vs. VIEIX - Volatility Comparison

iShares MSCI Emerging Markets ex China ETF (EMXC) has a higher volatility of 12.83% compared to Vanguard Extended Market Index Fund Institutional Shares (VIEIX) at 6.48%. This indicates that EMXC's price experiences larger fluctuations and is considered to be riskier than VIEIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EMXC	VIEIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.83%	6.48%	+6.35%
Volatility (6M) Calculated over the trailing 6-month period	21.90%	13.35%	+8.55%
Volatility (1Y) Calculated over the trailing 1-year period	23.90%	17.81%	+6.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.00%	22.43%	-4.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.07%	22.40%	-2.33%

EMXC vs. VIEIX - Expense Ratio Comparison

EMXC has a 0.49% expense ratio, which is higher than VIEIX's 0.05% expense ratio.

Dividends

EMXC vs. VIEIX - Dividend Comparison

EMXC's dividend yield for the trailing twelve months is around 2.05%, more than VIEIX's 1.02% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EMXC iShares MSCI Emerging Markets ex China ETF	2.05%	2.82%	2.69%	1.83%	2.85%	1.78%	1.45%	3.25%	2.63%	0.99%	0.00%	0.00%
VIEIX Vanguard Extended Market Index Fund Institutional Shares	1.02%	1.14%	1.10%	1.26%	1.16%	1.14%	1.08%	1.31%	1.67%	1.27%	1.45%	1.37%

Frequently Asked Questions

Can I hold both EMXC and VIEIX in my portfolio?

EMXC and VIEIX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EMXC or VIEIX?

EMXC has higher volatility (12.83%) compared to VIEIX (6.48%). In terms of maximum drawdown, EMXC dropped -42.81% vs VIEIX's -58.03%.

Which has better risk-adjusted returns?

EMXC currently has the higher Sharpe Ratio (2.74 vs 1.53), 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.