DRAM vs. ENFR

Last updated Jun 23, 2026

DRAM (Roundhill Memory ETF) and ENFR (Alerian Energy Infrastructure ETF) are both exchange-traded funds - DRAM is a Technology Equities fund actively managed by Roundhill, while ENFR is a Energy Equities fund tracking the Alerian Midstream Energy Select Index. DRAM is actively managed, while ENFR is passively managed. At a correlation of -0.33, they often move in opposite directions. DRAM charges 0.65%/yr vs 0.35%/yr for ENFR.

Performance

DRAM vs. ENFR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill Memory ETF (DRAM) and Alerian Energy Infrastructure ETF (ENFR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

DRAM

• 1D: 5.23%
• 1M: 52.82%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

ENFR

• 1D: 1.01%
• 1M: -5.94%
• YTD: 23.07%
• 6M: 24.76%
• 1Y: 24.84%
• 3Y*: 28.26%
• 5Y*: 19.69%
• 10Y*: 11.81%

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

DRAM vs. ENFR - Yearly Performance Comparison

	2026 (YTD)
DRAM Roundhill Memory ETF	198.96%
ENFR Alerian Energy Infrastructure ETF	2.02%

Correlation

The correlation between DRAM and ENFR is -0.33, 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 2, 2026	-0.33

DRAM vs. ENFR - Sectors Allocation Comparison

Sectors	DRAM	ENFR
Technology	100.0%	-
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	98.5%
Financial Services	-	0.1%
Healthcare	-	-
Industrials	-	3.4%
Real Estate	-	-
Utilities	-	1.4%

Return for Risk

DRAM vs. ENFR — Risk / Return Rank

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

DRAM

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

ENFR

ENFR Risk / Return Rank: 50
ENFR Sharpe Ratio Rank: 51
ENFR Sortino Ratio Rank: 49
ENFR Omega Ratio Rank: 46
ENFR Calmar Ratio Rank: 60
ENFR Martin Ratio Rank: 46

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. ENFR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Memory ETF (DRAM) and Alerian Energy Infrastructure ETF (ENFR). 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.

	DRAM	ENFR	Difference
Sharpe ratio: Return per unit of total volatility	—	1.69	—
Sortino ratio: Return per unit of downside risk	—	2.35	—
Omega ratio: Gain probability vs. loss probability	—	1.29	—
Calmar ratio: Return relative to maximum drawdown	—	2.89	—
Martin ratio: Return relative to average drawdown	—	7.40	—

Drawdowns

DRAM vs. ENFR - Drawdown Comparison

The maximum DRAM drawdown since its inception was -19.97%, smaller than the maximum ENFR drawdown of -68.28%. Use the drawdown chart below to compare losses from any high point for DRAM and ENFR.

Drawdown Indicators

	DRAM	ENFR	Difference
Max Drawdown Largest peak-to-trough decline	-19.97%	-68.28%	+48.31%
Max Drawdown (1Y) Largest decline over 1 year	—	-8.64%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-15.58%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-20.29%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-62.64%	—
Current Drawdown Current decline from peak	0.00%	-6.12%	+6.12%
Average Drawdown Average peak-to-trough decline	-2.89%	-15.94%	+13.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.36%	—

Volatility

Volatility by Period

	DRAM	ENFR	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	5.42%	—
Volatility (6M) Calculated over the trailing 6-month period	—	11.57%	—
Volatility (1Y) Calculated over the trailing 1-year period	87.28%	14.82%	+72.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	87.28%	19.24%	+68.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	87.28%	24.68%	+62.60%

DRAM vs. ENFR - Expense Ratio Comparison

DRAM has a 0.65% expense ratio, which is higher than ENFR's 0.35% expense ratio.

Dividends

DRAM vs. ENFR - Dividend Comparison

DRAM has not paid dividends to shareholders, while ENFR's dividend yield for the trailing twelve months is around 4.08%.

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%
ENFR Alerian Energy Infrastructure ETF	4.08%	4.77%	4.41%	5.48%	5.23%	7.86%	7.57%	5.81%	3.98%	2.98%	3.31%	3.34%

Frequently Asked Questions

Can I hold both DRAM and ENFR in my portfolio?

DRAM and ENFR have a correlation of -0.33, 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 ENFR?

On fees, ENFR is cheaper at 0.35% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, DRAM or ENFR?

ENFR is cheaper with a 0.35% expense ratio, compared with 0.65% for DRAM.

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

ENFR has the higher dividend yield at 4.08%, compared with 0.00% for DRAM.

What is the main difference between DRAM and ENFR?

DRAM is categorized as Technology Equities, while ENFR is Energy Equities. They also come from different issuers: Roundhill and SS&C. Their fees differ too: 0.65% for DRAM and 0.35% for ENFR.