DRAM vs. PWRD

Last updated Jul 21, 2026

DRAM (Roundhill Memory ETF) and PWRD (TCW Transform Systems ETF) are both exchange-traded funds - DRAM is a Technology Equities fund actively managed by Roundhill, while PWRD is a Energy Equities fund actively managed by TCW. Both are actively managed. A 0.72 correlation means they provide meaningful diversification when combined. DRAM charges 0.65%/yr vs 0.75%/yr for PWRD.

Performance

DRAM vs. PWRD - Performance Comparison

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

Returns By Period

DRAM

• 1D: 0.64%
• 1M: -30.83%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

PWRD

• 1D: -0.49%
• 1M: -9.05%
• 6M: 7.80%
• YTD: 13.74%
• 1Y: 19.09%
• 3Y*: 27.96%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 20.22%

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

DRAM vs. PWRD - Yearly Performance Comparison

	2026 (YTD)
DRAM Roundhill Memory ETF	96.52%
PWRD TCW Transform Systems ETF	10.29%

Correlation

The correlation between DRAM and PWRD is 0.72, 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	0.72

Return for Risk

DRAM vs. PWRD — 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.

PWRD

PWRD Risk / Return Rank: 30
PWRD Sharpe Ratio Rank: 26
PWRD Sortino Ratio Rank: 26
PWRD Omega Ratio Rank: 26
PWRD Calmar Ratio Rank: 35
PWRD Martin Ratio Rank: 36

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. PWRD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Memory ETF (DRAM) and TCW Transform Systems ETF (PWRD). 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	PWRD	Difference
Sharpe ratio: Return per unit of total volatility	—	0.71	—
Sortino ratio: Return per unit of downside risk	—	1.12	—
Omega ratio: Gain probability vs. loss probability	—	1.14	—
Calmar ratio: Return relative to maximum drawdown	—	1.36	—
Martin ratio: Return relative to average drawdown	—	4.14	—

Drawdowns

DRAM vs. PWRD - Drawdown Comparison

The maximum DRAM drawdown since its inception was -35.16%, which is greater than PWRD's maximum drawdown of -25.87%. Use the drawdown chart below to compare losses from any high point for DRAM and PWRD.

Drawdown Indicators

	DRAM	PWRD	Difference
Max Drawdown Largest peak-to-trough decline	-35.16%	-25.87%	-9.29%
Max Drawdown (1Y) Largest decline over 1 year	—	-14.12%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-25.87%	—
Current Drawdown Current decline from peak	-34.27%	-11.10%	-23.17%
Average Drawdown Average peak-to-trough decline	-7.58%	-5.09%	-2.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.62%	—

Volatility

Volatility by Period

	DRAM	PWRD	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	12.00%	—
Volatility (6M) Calculated over the trailing 6-month period	—	22.52%	—
Volatility (1Y) Calculated over the trailing 1-year period	96.38%	26.90%	+69.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	96.38%	23.22%	+73.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	96.38%	23.22%	+73.16%

DRAM vs. PWRD - Expense Ratio Comparison

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

Dividends

DRAM vs. PWRD - Dividend Comparison

DRAM has not paid dividends to shareholders, while PWRD's dividend yield for the trailing twelve months is around 0.06%.

Position	TTM	2025	2024	2023	2022
DRAM Roundhill Memory ETF	0.00%	0.00%	0.00%	0.00%	0.00%
PWRD TCW Transform Systems ETF	0.06%	0.22%	0.49%	0.78%	0.91%

Frequently Asked Questions

Can I hold both DRAM and PWRD in my portfolio?

DRAM and PWRD have a correlation of 0.72, 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 PWRD?

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 PWRD?

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

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

PWRD has the higher dividend yield at 0.06%, compared with 0.00% for DRAM.

What is the main difference between DRAM and PWRD?

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