DRAM vs. USOI

Last updated Jun 4, 2026

DRAM (Roundhill Memory ETF) and USOI (Credit Suisse X-Links Crude Oil Shares Covered Call ETN) are both exchange-traded funds - DRAM is a Technology Equities fund actively managed by Roundhill, while USOI is a Commodities fund tracking the Credit Suisse NASDAQ WTI Crude Oil FLOWS 106 Index. DRAM is actively managed, while USOI is passively managed. At a correlation of -0.29, they often move in opposite directions. DRAM charges 0.65%/yr vs 0.85%/yr for USOI.

Performance

DRAM vs. USOI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill Memory ETF (DRAM) and Credit Suisse X-Links Crude Oil Shares Covered Call ETN (USOI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

DRAM

• 1D: 0.20%
• 1M: 64.14%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

USOI

• 1D: 1.94%
• 1M: 2.54%
• YTD: 50.53%
• 6M: 48.65%
• 1Y: 49.69%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

DRAM vs. USOI - Yearly Performance Comparison

	2026 (YTD)
DRAM Roundhill Memory ETF	151.12%
USOI Credit Suisse X-Links Crude Oil Shares Covered Call ETN	16.31%

Correlation

The correlation between DRAM and USOI is -0.29, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since Apr 6, 2026	-0.29

Return for Risk

DRAM vs. USOI — Risk / Return Rank

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

USOI

USOI Risk / Return Rank: 64
USOI Sharpe Ratio Rank: 66
USOI Sortino Ratio Rank: 60
USOI Omega Ratio Rank: 60
USOI Calmar Ratio Rank: 80
USOI Martin Ratio Rank: 55

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.

DRAM vs. USOI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Memory ETF (DRAM) and Credit Suisse X-Links Crude Oil Shares Covered Call ETN (USOI). 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.

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

Sharpe Ratios by Period

	DRAM	USOI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.23	—
Sharpe Ratio (All Time) Calculated using the full available price history	341.95	0.94	+341.01

Drawdowns

DRAM vs. USOI - Drawdown Comparison

The maximum DRAM drawdown since its inception was -10.46%, smaller than the maximum USOI drawdown of -19.49%. Use the drawdown chart below to compare losses from any high point for DRAM and USOI.

Drawdown Indicators

	DRAM	USOI	Difference
Max Drawdown Largest peak-to-trough decline	-10.46%	-19.49%	+9.03%
Max Drawdown (1Y) Largest decline over 1 year	—	-11.90%	—
Current Drawdown Current decline from peak	0.00%	-3.08%	+3.08%
Average Drawdown Average peak-to-trough decline	-1.64%	-7.21%	+5.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	5.12%	—

Volatility

Volatility by Period

	DRAM	USOI	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	10.14%	—
Volatility (6M) Calculated over the trailing 6-month period	—	18.25%	—
Volatility (1Y) Calculated over the trailing 1-year period	73.92%	22.35%	+51.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	73.92%	22.59%	+51.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	73.92%	22.59%	+51.33%

DRAM vs. USOI - Expense Ratio Comparison

DRAM has a 0.65% expense ratio, which is lower than USOI's 0.85% expense ratio.

Dividends

DRAM vs. USOI - Dividend Comparison

DRAM has not paid dividends to shareholders, while USOI's dividend yield for the trailing twelve months is around 36.88%.

Position	TTM	2025	2024
DRAM Roundhill Memory ETF	0.00%	0.00%	0.00%
USOI Credit Suisse X-Links Crude Oil Shares Covered Call ETN	36.88%	27.21%	12.54%

Frequently Asked Questions

Can I hold both DRAM and USOI in my portfolio?

DRAM and USOI have a correlation of -0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, DRAM or USOI?

On fees, DRAM is cheaper at 0.65% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, DRAM or USOI?

DRAM is cheaper with a 0.65% expense ratio, compared with 0.85% for USOI.

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

USOI has the higher dividend yield at 36.88%, compared with 0.00% for DRAM.

What is the main difference between DRAM and USOI?

DRAM is categorized as Technology Equities, while USOI is Commodities. They also come from different issuers: Roundhill and Credit Suisse. Their fees differ too: 0.65% for DRAM and 0.85% for USOI.