MEMX vs. IEMG

Last updated Jun 3, 2026

MEMX (Matthews Emerging Markets Ex China Active ETF) and IEMG (iShares Core MSCI Emerging Markets ETF) are both Emerging Markets Diversified funds. MEMX is actively managed, while IEMG is passively managed. Over the past 3 years, MEMX returned 27.36%/yr vs 24.10%/yr for IEMG. Their correlation of 0.86 suggests significant overlap in exposure. MEMX charges 0.79%/yr vs 0.09%/yr for IEMG.

Performance

MEMX vs. IEMG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Matthews Emerging Markets Ex China Active ETF (MEMX) and iShares Core MSCI Emerging Markets ETF (IEMG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MEMX achieves a 34.37% return, which is significantly higher than IEMG's 27.92% return.

MEMX

• 1D: 0.27%
• 1M: 11.98%
• YTD: 34.37%
• 6M: 44.33%
• 1Y: 72.52%
• 3Y*: 27.36%
• 5Y*: —
• 10Y*: —

IEMG

• 1D: 0.95%
• 1M: 9.33%
• YTD: 27.92%
• 6M: 30.49%
• 1Y: 54.92%
• 3Y*: 24.10%
• 5Y*: 8.08%
• 10Y*: 10.56%

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

MEMX vs. IEMG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MEMX Matthews Emerging Markets Ex China Active ETF	34.37%	35.88%	5.50%	10.52%
IEMG iShares Core MSCI Emerging Markets ETF	27.92%	32.56%	6.50%	3.77%

Correlation

The correlation between MEMX and IEMG is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (All Time) Calculated using the full available price history since Jan 12, 2023	0.86

The correlation between MEMX and IEMG has been stable across timeframes, ranging from 0.86 to 0.92 - a consistent structural relationship.

MEMX vs. IEMG - Sectors Allocation Comparison

Sectors	MEMX	IEMG
Technology	39.5%	35.0%
Financial Services	25.1%	18.4%
Industrials	9.6%	9.0%
Consumer Cyclical	7.8%	9.5%
Healthcare	4.5%	3.7%
Communication Services	3.4%	6.4%
Energy	2.8%	3.8%
Basic Materials	2.6%	6.9%
Consumer Defensive	2.1%	3.3%
Real Estate	1.5%	1.7%
Utilities	1.1%	2.2%

Return for Risk

MEMX vs. IEMG — Risk / Return Rank

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

MEMX

MEMX Risk / Return Rank: 90
MEMX Sharpe Ratio Rank: 92
MEMX Sortino Ratio Rank: 90
MEMX Omega Ratio Rank: 90
MEMX Calmar Ratio Rank: 87
MEMX Martin Ratio Rank: 89

IEMG

IEMG Risk / Return Rank: 83
IEMG Sharpe Ratio Rank: 85
IEMG Sortino Ratio Rank: 81
IEMG Omega Ratio Rank: 85
IEMG Calmar Ratio Rank: 81
IEMG 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.

MEMX vs. IEMG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Matthews Emerging Markets Ex China Active ETF (MEMX) and iShares Core MSCI Emerging Markets ETF (IEMG). 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.

	MEMX	IEMG	Difference
Sharpe ratio Return per unit of total volatility	3.39	2.85	+0.54
Sortino ratio Return per unit of downside risk	4.20	3.67	+0.54
Omega ratio Gain probability vs. loss probability	1.60	1.52	+0.07
Calmar ratio Return relative to maximum drawdown	5.01	4.25	+0.76
Martin ratio Return relative to average drawdown	20.00	16.40	+3.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MEMX vs. IEMG - Sharpe Ratio Comparison

The current MEMX Sharpe Ratio is 3.39, which is comparable to the IEMG Sharpe Ratio of 2.85. The chart below compares the historical Sharpe Ratios of MEMX and IEMG, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MEMX	IEMG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.39	2.85	+0.54
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.44	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.53	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.47	0.36	+1.11

Drawdowns

MEMX vs. IEMG - Drawdown Comparison

The maximum MEMX drawdown since its inception was -19.27%, smaller than the maximum IEMG drawdown of -38.71%. Use the drawdown chart below to compare losses from any high point for MEMX and IEMG.

Drawdown Indicators

	MEMX	IEMG	Difference
Max Drawdown Largest peak-to-trough decline	-19.27%	-38.71%	+19.44%
Max Drawdown (1Y) Largest decline over 1 year	-14.70%	-13.21%	-1.49%
Max Drawdown (3Y) Largest decline over 3 years	-19.27%	-17.21%	-2.06%
Max Drawdown (5Y) Largest decline over 5 years	—	-35.83%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-38.71%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.49%	-12.98%	+9.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.68%	3.43%	+0.25%

Volatility

MEMX vs. IEMG - Volatility Comparison

Matthews Emerging Markets Ex China Active ETF (MEMX) has a higher volatility of 9.32% compared to iShares Core MSCI Emerging Markets ETF (IEMG) at 8.13%. This indicates that MEMX's price experiences larger fluctuations and is considered to be riskier than IEMG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MEMX	IEMG	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.32%	8.13%	+1.19%
Volatility (6M) Calculated over the trailing 6-month period	19.01%	16.86%	+2.15%
Volatility (1Y) Calculated over the trailing 1-year period	21.50%	19.39%	+2.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.09%	18.38%	-1.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.09%	20.03%	-2.94%

MEMX vs. IEMG - Expense Ratio Comparison

MEMX has a 0.79% expense ratio, which is higher than IEMG's 0.09% expense ratio.

Dividends

MEMX vs. IEMG - Dividend Comparison

MEMX's dividend yield for the trailing twelve months is around 3.63%, more than IEMG's 2.15% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IEMG iShares Core MSCI Emerging Markets ETF	2.15%	2.75%	3.20%	2.89%	2.71%	3.06%	1.87%	3.15%	2.76%	2.35%	2.28%	2.53%
MEMX Matthews Emerging Markets Ex China Active ETF	3.63%	4.88%	0.99%	1.13%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MEMX and IEMG in my portfolio?

With a correlation of 0.92, MEMX and IEMG move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MEMX or IEMG?

MEMX has higher volatility (9.32%) compared to IEMG (8.13%). In terms of maximum drawdown, MEMX dropped -19.27% vs IEMG's -38.71%.

Which ETF is better, MEMX or IEMG?

On 3-year performance, MEMX leads with 27.36% vs 24.10% for IEMG. On fees, IEMG is cheaper at 0.09% per year. On volatility, IEMG has been the lower-risk option at 8.13%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MEMX or IEMG?

Over the 3-year period, MEMX has performed better with a 27.36% return vs 24.10%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MEMX or IEMG?

IEMG is cheaper with a 0.09% expense ratio, compared with 0.79% for MEMX.

Which ETF pays a higher dividend yield, MEMX or IEMG?

MEMX has the higher dividend yield at 3.63%, compared with 2.15% for IEMG.

What is the main difference between MEMX and IEMG?

They also come from different issuers: Matthews and iShares. Their fees differ too: 0.79% for MEMX and 0.09% for IEMG.

Which has better risk-adjusted returns?

MEMX currently has the higher Sharpe Ratio (3.39 vs 2.85), 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.