DRAM vs. TCAI

Last updated Jun 9, 2026

DRAM (Roundhill Memory ETF) and TCAI (Tortoise AI Infrastructure ETF) are both Technology Equities funds. Both are actively managed. A 0.74 correlation means they provide meaningful diversification when combined. Both charge a 0.65% expense ratio.

Performance

DRAM vs. TCAI - Performance Comparison

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

Returns By Period

DRAM

• 1D: 8.48%
• 1M: 14.62%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

TCAI

• 1D: 1.87%
• 1M: 6.30%
• YTD: 74.50%
• 6M: 65.04%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

DRAM vs. TCAI - Yearly Performance Comparison

	2026 (YTD)
DRAM Roundhill Memory ETF	124.15%
TCAI Tortoise AI Infrastructure ETF	44.16%

Correlation

The correlation between DRAM and TCAI is 0.74, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Apr 2, 2026	0.74

DRAM vs. TCAI - Sectors Allocation Comparison

Sectors	DRAM	TCAI
Technology	100.0%	44.0%
Basic Materials	-	-
Communication Services	-	1.1%
Consumer Cyclical	-	1.4%
Consumer Defensive	-	-
Energy	-	6.1%
Financial Services	-	6.4%
Healthcare	-	-
Industrials	-	29.9%
Real Estate	-	0.6%
Utilities	-	11.1%

Return for Risk

DRAM vs. TCAI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Memory ETF (DRAM) and Tortoise AI Infrastructure ETF (TCAI). 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	TCAI	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	91.43	3.72	+87.71

Drawdowns

DRAM vs. TCAI - Drawdown Comparison

The maximum DRAM drawdown since its inception was -19.97%, which is greater than TCAI's maximum drawdown of -15.80%. Use the drawdown chart below to compare losses from any high point for DRAM and TCAI.

Drawdown Indicators

	DRAM	TCAI	Difference
Max Drawdown Largest peak-to-trough decline	-19.97%	-15.80%	-4.17%
Current Drawdown Current decline from peak	-13.18%	-8.22%	-4.96%
Average Drawdown Average peak-to-trough decline	-2.40%	-3.48%	+1.08%

Volatility

Volatility by Period

	DRAM	TCAI	Difference
Volatility (1Y) Calculated over the trailing 1-year period	85.85%	36.74%	+49.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	85.85%	36.74%	+49.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	85.85%	36.74%	+49.11%

DRAM vs. TCAI - Expense Ratio Comparison

Both DRAM and TCAI have an expense ratio of 0.65%.

Dividends

DRAM vs. TCAI - Dividend Comparison

DRAM has not paid dividends to shareholders, while TCAI's dividend yield for the trailing twelve months is around 0.03%.

Position	TTM	2025
DRAM Roundhill Memory ETF	0.00%	0.00%
TCAI Tortoise AI Infrastructure ETF	0.03%	0.05%

Frequently Asked Questions

Can I hold both DRAM and TCAI in my portfolio?

DRAM and TCAI have a correlation of 0.74, 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 TCAI?

Both ETFs have the same 0.65% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, DRAM or TCAI?

DRAM and TCAI have the same expense ratio: 0.65% per year.

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

TCAI has the higher dividend yield at 0.03%, compared with 0.00% for DRAM.

What is the main difference between DRAM and TCAI?

They also come from different issuers: Roundhill and Tortoise.