OZEM vs. DRAM

Last updated Jul 17, 2026

OZEM (Roundhill Glp-1 & Weight Loss ETF) and DRAM (Roundhill Memory ETF) are both exchange-traded funds - OZEM is a Health & Biotech Equities fund actively managed by Roundhill, while DRAM is a Technology Equities fund actively managed by Roundhill. Both are actively managed. At a 0.08 correlation, their price movements are largely independent. OZEM charges 0.59%/yr vs 0.65%/yr for DRAM.

Performance

OZEM vs. DRAM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill Glp-1 & Weight Loss ETF (OZEM) and Roundhill Memory ETF (DRAM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

OZEM

• 1D: -0.20%
• 1M: 7.73%
• 6M: -7.18%
• YTD: -3.86%
• 1Y: 27.40%
• 3Y*: —
• 5Y*: —
• 10Y*: —

DRAM

• 1D: -8.82%
• 1M: -23.17%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

OZEM vs. DRAM - Yearly Performance Comparison

	2026 (YTD)
OZEM Roundhill Glp-1 & Weight Loss ETF	2.95%
DRAM Roundhill Memory ETF	93.85%

Correlation

The correlation between OZEM and DRAM is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Apr 2, 2026	0.08

OZEM vs. DRAM - Sectors Allocation Comparison

Sectors	OZEM	DRAM
Healthcare	100.0%	-
Financial Services	0.1%	-2.3%
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	58.3%
Utilities	-	-

Return for Risk

OZEM vs. DRAM — Risk / Return Rank

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

OZEM

OZEM Risk / Return Rank: 35
OZEM Sharpe Ratio Rank: 39
OZEM Sortino Ratio Rank: 39
OZEM Omega Ratio Rank: 37
OZEM Calmar Ratio Rank: 34
OZEM Martin Ratio Rank: 26

DRAM

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

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.

OZEM vs. DRAM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Glp-1 & Weight Loss ETF (OZEM) 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.

	OZEM	DRAM	Difference
Sharpe ratio: Return per unit of total volatility	1.13	—	—
Sortino ratio: Return per unit of downside risk	1.69	—	—
Omega ratio: Gain probability vs. loss probability	1.21	—	—
Calmar ratio: Return relative to maximum drawdown	1.41	—	—
Martin ratio: Return relative to average drawdown	2.77	—	—

Drawdowns

OZEM vs. DRAM - Drawdown Comparison

The maximum OZEM drawdown since its inception was -28.65%, smaller than the maximum DRAM drawdown of -35.16%. Use the drawdown chart below to compare losses from any high point for OZEM and DRAM.

Drawdown Indicators

	OZEM	DRAM	Difference
Max Drawdown Largest peak-to-trough decline	-28.65%	-35.16%	+6.51%
Max Drawdown (1Y) Largest decline over 1 year	-19.50%	—	—
Current Drawdown Current decline from peak	-11.27%	-35.16%	+23.89%
Average Drawdown Average peak-to-trough decline	-9.17%	-6.83%	-2.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.92%	—	—

Volatility

Volatility by Period

	OZEM	DRAM	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.34%	—	—
Volatility (6M) Calculated over the trailing 6-month period	17.20%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	24.28%	97.73%	-73.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.97%	97.73%	-72.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.97%	97.73%	-72.76%

OZEM vs. DRAM - Expense Ratio Comparison

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

Dividends

OZEM vs. DRAM - Dividend Comparison

OZEM's dividend yield for the trailing twelve months is around 1.25%, while DRAM has not paid dividends to shareholders.

Position	TTM	2025	2024
DRAM Roundhill Memory ETF	0.00%	0.00%	0.00%
OZEM Roundhill Glp-1 & Weight Loss ETF	1.25%	1.20%	0.22%

Frequently Asked Questions

Can I hold both OZEM and DRAM in my portfolio?

OZEM and DRAM have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, OZEM or DRAM?

On fees, OZEM 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, OZEM or DRAM?

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

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

OZEM has the higher dividend yield at 1.25%, compared with 0.00% for DRAM.

What is the main difference between OZEM and DRAM?

OZEM is categorized as Health & Biotech Equities, while DRAM is Technology Equities. Their fees differ too: 0.59% for OZEM and 0.65% for DRAM.