MEMS vs. EEMS

Last updated Jun 6, 2026

MEMS (Matthews Emerging Markets Discovery Active ETF) and EEMS (iShares MSCI Emerging Markets Small-Cap ETF) are both Emerging Markets Diversified funds. MEMS is actively managed, while EEMS is passively managed. Over the past year, MEMS returned 24.15% vs 21.64% for EEMS. Their correlation of 0.87 suggests significant overlap in exposure. MEMS charges 0.89%/yr vs 0.73%/yr for EEMS.

Performance

MEMS vs. EEMS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Matthews Emerging Markets Discovery Active ETF (MEMS) and iShares MSCI Emerging Markets Small-Cap ETF (EEMS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MEMS achieves a 18.12% return, which is significantly higher than EEMS's 9.19% return.

MEMS

• 1D: -4.48%
• 1M: -6.31%
• YTD: 18.12%
• 6M: 18.65%
• 1Y: 24.15%
• 3Y*: —
• 5Y*: —
• 10Y*: —

EEMS

• 1D: -5.21%
• 1M: -6.61%
• YTD: 9.19%
• 6M: 11.14%
• 1Y: 21.64%
• 3Y*: 14.79%
• 5Y*: 5.89%
• 10Y*: 8.59%

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

MEMS vs. EEMS - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MEMS Matthews Emerging Markets Discovery Active ETF	18.12%	11.12%	-5.68%
EEMS iShares MSCI Emerging Markets Small-Cap ETF	9.19%	19.78%	4.19%

Correlation

The correlation between MEMS and EEMS is 0.91, 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	0.91
Correlation (All Time) Calculated using the full available price history since Jan 12, 2024	0.87

The correlation between MEMS and EEMS has been stable across timeframes, ranging from 0.87 to 0.91 - a consistent structural relationship.

MEMS vs. EEMS - Sectors Allocation Comparison

Sectors	MEMS	EEMS
Technology	31.3%	22.7%
Financial Services	16.2%	11.1%
Industrials	16.0%	18.9%
Consumer Cyclical	12.0%	9.6%
Healthcare	8.4%	9.4%
Consumer Defensive	5.3%	5.2%
Real Estate	3.4%	5.9%
Energy	3.2%	2.4%
Communication Services	2.8%	2.9%
Basic Materials	1.4%	9.3%
Utilities	1.0%	2.7%

Return for Risk

MEMS vs. EEMS — Risk / Return Rank

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

MEMS

MEMS Risk / Return Rank: 36
MEMS Sharpe Ratio Rank: 34
MEMS Sortino Ratio Rank: 33
MEMS Omega Ratio Rank: 34
MEMS Calmar Ratio Rank: 40
MEMS Martin Ratio Rank: 40

EEMS

EEMS Risk / Return Rank: 38
EEMS Sharpe Ratio Rank: 35
EEMS Sortino Ratio Rank: 32
EEMS Omega Ratio Rank: 36
EEMS Calmar Ratio Rank: 42
EEMS Martin Ratio Rank: 45

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.

MEMS vs. EEMS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Matthews Emerging Markets Discovery Active ETF (MEMS) and iShares MSCI Emerging Markets Small-Cap ETF (EEMS). 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.

	MEMS	EEMS	Difference
Sharpe ratio: Return per unit of total volatility	1.13	1.20	-0.07
Sortino ratio: Return per unit of downside risk	1.63	1.65	-0.02
Omega ratio: Gain probability vs. loss probability	1.21	1.23	-0.02
Calmar ratio: Return relative to maximum drawdown	1.86	2.00	-0.14
Martin ratio: Return relative to average drawdown	5.96	6.96	-0.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MEMS vs. EEMS - Sharpe Ratio Comparison

The current MEMS Sharpe Ratio is 1.13, which is comparable to the EEMS Sharpe Ratio of 1.20. The chart below compares the historical Sharpe Ratios of MEMS and EEMS, 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

	MEMS	EEMS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.13	1.20	-0.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.36	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.48	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.30	+0.18

Drawdowns

MEMS vs. EEMS - Drawdown Comparison

The maximum MEMS drawdown since its inception was -22.24%, smaller than the maximum EEMS drawdown of -48.89%. Use the drawdown chart below to compare losses from any high point for MEMS and EEMS.

Drawdown Indicators

	MEMS	EEMS	Difference
Max Drawdown Largest peak-to-trough decline	-22.24%	-48.89%	+26.65%
Max Drawdown (1Y) Largest decline over 1 year	-13.05%	-10.87%	-2.18%
Max Drawdown (3Y) Largest decline over 3 years	—	-19.71%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-27.07%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-48.89%	—
Current Drawdown Current decline from peak	-6.34%	-7.04%	+0.70%
Average Drawdown Average peak-to-trough decline	-5.22%	-10.50%	+5.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.06%	3.12%	+0.94%

Volatility

MEMS vs. EEMS - Volatility Comparison

Matthews Emerging Markets Discovery Active ETF (MEMS) and iShares MSCI Emerging Markets Small-Cap ETF (EEMS) have volatilities of 8.38% and 8.47%, 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.

Volatility by Period

	MEMS	EEMS	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.38%	8.47%	-0.09%
Volatility (6M) Calculated over the trailing 6-month period	18.26%	15.87%	+2.39%
Volatility (1Y) Calculated over the trailing 1-year period	21.48%	18.08%	+3.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.62%	16.22%	+3.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.62%	18.07%	+1.55%

MEMS vs. EEMS - Expense Ratio Comparison

MEMS has a 0.89% expense ratio, which is higher than EEMS's 0.73% expense ratio.

Dividends

MEMS vs. EEMS - Dividend Comparison

MEMS's dividend yield for the trailing twelve months is around 2.38%, less than EEMS's 2.83% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EEMS iShares MSCI Emerging Markets Small-Cap ETF	2.83%	3.09%	2.60%	2.69%	0.89%	3.56%	2.14%	2.64%	3.06%	2.47%	2.51%	2.33%
MEMS Matthews Emerging Markets Discovery Active ETF	2.38%	2.81%	1.42%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MEMS and EEMS in my portfolio?

With a correlation of 0.91, MEMS and EEMS 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, MEMS or EEMS?

EEMS has higher volatility (8.47%) compared to MEMS (8.38%). In terms of maximum drawdown, MEMS dropped -22.24% vs EEMS's -48.89%.

Which ETF is better, MEMS or EEMS?

On 1-year performance, MEMS leads with 24.15% vs 21.64% for EEMS. On fees, EEMS is cheaper at 0.73% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MEMS or EEMS?

Over the 1-year period, MEMS has performed better with a 24.15% return vs 21.64%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MEMS or EEMS?

EEMS is cheaper with a 0.73% expense ratio, compared with 0.89% for MEMS.

Which ETF pays a higher dividend yield, MEMS or EEMS?

EEMS has the higher dividend yield at 2.83%, compared with 2.38% for MEMS.

What is the main difference between MEMS and EEMS?

They also come from different issuers: Matthews and iShares. Their fees differ too: 0.89% for MEMS and 0.73% for EEMS.

Which has better risk-adjusted returns?

EEMS currently has the higher Sharpe Ratio (1.20 vs 1.13), 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.