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DRAM vs. CHAT
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

DRAM vs. CHAT - Performance Comparison

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

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Returns By Period


DRAM

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

CHAT

1D
1.69%
1M
15.84%
YTD
76.51%
6M
76.39%
1Y
132.50%
3Y*
55.25%
5Y*
10Y*
*Multi-year figures are annualized to reflect compound growth (CAGR)

DRAM vs. CHAT - Yearly Performance Comparison


Correlation

The correlation between DRAM and CHAT is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.


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

0.88

DRAM vs. CHAT - Sectors Allocation Comparison


Sectors
DRAM
CHAT

Technology

100.0%
77.8%

Basic Materials

-

-

Communication Services

-

16.1%

Consumer Cyclical

-

2.4%

Consumer Defensive

-

-

Energy

-

-

Financial Services

-

0.0%

Healthcare

-

-

Industrials

-

3.5%

Real Estate

-

-

Utilities

-

-

Technology

DRAM
100.0%
CHAT
77.8%

Basic Materials

DRAM

-

CHAT

-

Communication Services

DRAM

-

CHAT
16.1%

Consumer Cyclical

DRAM

-

CHAT
2.4%

Consumer Defensive

DRAM

-

CHAT

-

Energy

DRAM

-

CHAT

-

Financial Services

DRAM

-

CHAT
0.0%

Healthcare

DRAM

-

CHAT

-

Industrials

DRAM

-

CHAT
3.5%

Real Estate

DRAM

-

CHAT

-

Utilities

DRAM

-

CHAT

-

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Return for Risk

DRAM vs. CHAT — 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.


CHAT
CHAT Risk / Return Rank: 9393
Overall Rank
CHAT Sharpe Ratio Rank: 9696
Sharpe Ratio Rank
CHAT Sortino Ratio Rank: 9191
Sortino Ratio Rank
CHAT Omega Ratio Rank: 9090
Omega Ratio Rank
CHAT Calmar Ratio Rank: 9696
Calmar Ratio Rank
CHAT Martin Ratio Rank: 9393
Martin Ratio Rank
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. CHAT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Memory ETF (DRAM) and Roundhill Generative AI & Technology ETF (CHAT). 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.


DRAMCHATDifference
Sharpe ratioReturn per unit of total volatility

Sortino ratioReturn per unit of downside risk

Omega ratioGain probability vs. loss probability

1.56

Calmar ratioReturn relative to maximum drawdown

8.19

Martin ratioReturn relative to average drawdown

22.77

DRAM vs. CHAT - Sharpe Ratio Comparison


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Drawdowns

DRAM vs. CHAT - Drawdown Comparison

The maximum DRAM drawdown since its inception was -19.97%, smaller than the maximum CHAT drawdown of -31.34%. Use the drawdown chart below to compare losses from any high point for DRAM and CHAT.


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Drawdown Indicators


DRAMCHATDifference

Max Drawdown

Largest peak-to-trough decline

-19.97%

-31.34%

+11.37%

Max Drawdown (1Y)

Largest decline over 1 year

-16.28%

Max Drawdown (3Y)

Largest decline over 3 years

-31.34%

Current Drawdown

Current decline from peak

0.00%

0.00%

0.00%

Average Drawdown

Average peak-to-trough decline

-2.89%

-5.38%

+2.49%

Ulcer Index

Depth and duration of drawdowns from previous peaks

5.84%

Volatility

DRAM vs. CHAT - Volatility Comparison


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Volatility by Period


DRAMCHATDifference

Volatility (1M)

Calculated over the trailing 1-month period

17.40%

Volatility (6M)

Calculated over the trailing 6-month period

28.49%

Volatility (1Y)

Calculated over the trailing 1-year period

87.28%

34.07%

+53.21%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

87.28%

30.94%

+56.34%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

87.28%

30.94%

+56.34%

DRAM vs. CHAT - Expense Ratio Comparison

DRAM has a 0.65% expense ratio, which is lower than CHAT's 0.75% expense ratio.


Dividends

DRAM vs. CHAT - Dividend Comparison

DRAM has not paid dividends to shareholders, while CHAT's dividend yield for the trailing twelve months is around 1.62%.


PositionTTM2025
CHAT
Roundhill Generative AI & Technology ETF
1.62%2.85%
DRAM
Roundhill Memory ETF
0.00%0.00%

Frequently Asked Questions


DRAM and CHAT have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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.

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

CHAT has the higher dividend yield at 1.62%, compared with 0.00% for DRAM.

Their fees differ too: 0.65% for DRAM and 0.75% for CHAT.

Portfolio Optimizer

Find the right allocation for DRAM and CHAT

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer