DISK vs. DRAM

Last updated Aug 2, 2026

DISK (Tema Memory ETF) and DRAM (Roundhill Memory ETF) are both exchange-traded funds - DISK is a Semiconductors fund actively managed by Tema, while DRAM is a Technology Equities fund actively managed by Roundhill. Both are actively managed. Their 0.96 correlation means they have historically moved very closely together. DISK charges 0.75%/yr vs 0.65%/yr for DRAM.

Performance

DISK vs. DRAM - Performance Comparison

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

Returns By Period

DISK

• 1D: -3.50%
• 1M: -20.26%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

DRAM

• 1D: -3.76%
• 1M: -16.92%
• 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)
DISK Tema Memory ETF	$16.96M	$17.97M	$17.83M
DRAM Roundhill Memory ETF	$4.23B	$4.59B	$3.52B

DISK vs. DRAM - Yearly Performance Comparison

	2026 (YTD)
DISK Tema Memory ETF	-33.17%
DRAM Roundhill Memory ETF	-29.98%

Correlation

The correlation between DISK and DRAM is 0.96 - they have historically moved very closely together. At this level, their price movements offset little of one another.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 30, 2026	0.96

DISK vs. DRAM - Sectors Allocation Comparison

Sectors	DISK	DRAM
Technology	83.1%	100.0%
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-2.3%
Healthcare	-	-
Industrials	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

DISK vs. DRAM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tema Memory ETF (DISK) 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.

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

Drawdowns

DISK vs. DRAM - Drawdown Comparison

The maximum DISK drawdown since its inception was -43.24%, roughly equal to the maximum DRAM drawdown of -44.44%. Use the drawdown chart below to compare losses from any high point for DISK and DRAM.

Drawdown Indicators

	DISK	DRAM	Difference
Max Drawdown Largest peak-to-trough decline	-43.24%	-44.44%	+1.20%
Current Drawdown Current decline from peak	-35.31%	-37.60%	+2.29%
Average Drawdown Average peak-to-trough decline	-24.53%	-10.50%	-14.03%

Volatility

Volatility by Period

	DISK	DRAM	Difference
Volatility (1Y) Calculated over the trailing 1-year period	121.25%	100.96%	+20.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	121.25%	100.96%	+20.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	121.25%	100.96%	+20.29%

DISK vs. DRAM - Expense Ratio Comparison

DISK has a 0.75% expense ratio, which is higher than DRAM's 0.65% expense ratio.

Dividends

DISK vs. DRAM - Dividend Comparison

Neither DISK nor DRAM has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both DISK and DRAM in my portfolio?

With a correlation of 0.96, DISK 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, DISK or DRAM?

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, DISK or DRAM?

DRAM is cheaper with a 0.65% expense ratio, compared with 0.75% for DISK.

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

DISK and DRAM have nearly identical dividend yields, around 0.00%.

What is the main difference between DISK and DRAM?

DISK is categorized as Semiconductors, while DRAM is Technology Equities. They also come from different issuers: Tema and Roundhill. Their fees differ too: 0.75% for DISK and 0.65% for DRAM.