EWY vs. DRAM

Last updated Aug 4, 2026

EWY (iShares MSCI South Korea ETF) and DRAM (Roundhill Memory ETF) are both exchange-traded funds - EWY is a South Korea Equities fund tracking the MSCI Korea Index, while DRAM is a Technology Equities fund actively managed by Roundhill. EWY is passively managed, while DRAM is actively managed. Their correlation of 0.94 means they have usually moved in the same direction. EWY charges 0.59%/yr vs 0.65%/yr for DRAM.

Performance

EWY vs. DRAM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MSCI South Korea ETF (EWY) and Roundhill Memory ETF (DRAM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

EWY

• 1D: 2.00%
• 1M: -11.05%
• 6M: 32.51%
• YTD: 64.82%
• 1Y: 131.90%
• 3Y*: 38.47%
• 5Y*: 14.28%
• 10Y*: 13.21%
• ALL TIME*: 9.71%

DRAM

• 1D: 1.51%
• 1M: -15.67%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DRAM Roundhill Memory ETF	$4.29B	$4.47B	$3.58B
EWY iShares MSCI South Korea ETF	$4.48B	$4.44B	$4.18B

EWY vs. DRAM - Yearly Performance Comparison

	2026 (YTD)
EWY iShares MSCI South Korea ETF	26.95%
DRAM Roundhill Memory ETF	89.37%

Correlation

The correlation between EWY and DRAM is 0.94, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (All Time) Calculated using the full available price history since Apr 2, 2026	0.94

EWY vs. DRAM - Sectors Allocation Comparison

Sectors	EWY	DRAM
Technology	54.1%	100.0%
Industrials	15.7%	-
Financial Services	11.4%	-2.3%
Consumer Cyclical	5.9%	-
Healthcare	3.6%	-
Communication Services	2.9%	-
Basic Materials	2.2%	-
Consumer Defensive	2.2%	-
Energy	1.0%	-
Utilities	0.4%	-
Real Estate	-	-

Return for Risk

EWY vs. DRAM — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

EWY

EWY Risk / Return Rank: 88
EWY Sharpe Ratio Rank: 92
EWY Sortino Ratio Rank: 82
EWY Omega Ratio Rank: 86
EWY Calmar Ratio Rank: 90
EWY Martin Ratio Rank: 88

DRAM

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

EWY vs. DRAM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI South Korea ETF (EWY) and Roundhill Memory ETF (DRAM). 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.

	EWY	DRAM	Difference
Sharpe ratio: Return per unit of total volatility	2.45	—	—
Sortino ratio: Return per unit of downside risk	2.74	—	—
Omega ratio: Gain probability vs. loss probability	1.38	—	—
Calmar ratio: Return relative to maximum drawdown	3.88	—	—
Martin ratio: Return relative to average drawdown	13.64	—	—

Drawdowns

EWY vs. DRAM - Drawdown Comparison

The maximum EWY drawdown since its inception was -74.14%, which is greater than DRAM's maximum drawdown of -44.44%. Use the drawdown chart below to compare losses from any high point for EWY and DRAM.

Drawdown Indicators

	EWY	DRAM	Difference
Max Drawdown Largest peak-to-trough decline	-74.14%	-44.44%	-29.70%
Max Drawdown (1Y) Largest decline over 1 year	-34.21%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-34.21%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-47.15%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-49.73%	—	—
Current Drawdown Current decline from peak	-26.90%	-36.66%	+9.76%
Average Drawdown Average peak-to-trough decline	-20.10%	-10.81%	-9.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.71%	—	—

Volatility

Volatility by Period

	EWY	DRAM	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.12%	—	—
Volatility (6M) Calculated over the trailing 6-month period	50.88%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	54.30%	100.35%	-46.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	32.79%	100.35%	-67.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.39%	100.35%	-70.96%

EWY vs. DRAM - Expense Ratio Comparison

EWY has a 0.59% expense ratio, which is lower than DRAM's 0.65% expense ratio.

Dividends

EWY vs. DRAM - Dividend Comparison

EWY's dividend yield for the trailing twelve months is around 1.27%, while DRAM has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DRAM Roundhill Memory ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
EWY iShares MSCI South Korea ETF	1.27%	2.10%	2.55%	2.52%	1.23%	2.16%	0.73%	2.10%	1.34%	2.90%	1.21%	2.42%

Frequently Asked Questions

Can I hold both EWY and DRAM in my portfolio?

With a correlation of 0.94, EWY and DRAM 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 ETF is better, EWY or DRAM?

On fees, EWY is cheaper at 0.59% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, EWY or DRAM?

EWY is cheaper with a 0.59% expense ratio, compared with 0.65% for DRAM.

Which ETF pays a higher dividend yield, EWY or DRAM?

EWY has the higher dividend yield at 1.27%, compared with 0.00% for DRAM.

What is the main difference between EWY and DRAM?

EWY is categorized as South Korea Equities, while DRAM is Technology Equities. They also come from different issuers: iShares and Roundhill. Their fees differ too: 0.59% for EWY and 0.65% for DRAM.