MRNY vs. CWII

Last updated Jun 26, 2026

MRNY (YieldMax MRNA Option Income Strategy ETF) and CWII (REX CRWV Growth & Income ETF) are both Derivative Income funds. Both are actively managed. At a 0.20 correlation, their price movements are largely independent. MRNY charges 0.99%/yr vs 1.03%/yr for CWII.

Performance

MRNY vs. CWII - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in YieldMax MRNA Option Income Strategy ETF (MRNY) and REX CRWV Growth & Income ETF (CWII). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MRNY achieves a 73.87% return, which is significantly lower than CWII's 13,199.78% return.

MRNY

• 1D: -0.53%
• 1M: 19.78%
• YTD: 73.87%
• 6M: 58.68%
• 1Y: 67.82%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CWII

• 1D: 0.00%
• 1M: 10,186.09%
• YTD: 13,199.78%
• 6M: 12,082.72%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MRNY vs. CWII - Yearly Performance Comparison

	2026 (YTD)	2025
MRNY YieldMax MRNA Option Income Strategy ETF	73.87%	7.23%
CWII REX CRWV Growth & Income ETF	13,199.78%	-45.06%

Correlation

The correlation between MRNY and CWII is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 4, 2025	0.20

Return for Risk

MRNY vs. CWII — Risk / Return Rank

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

MRNY

MRNY Risk / Return Rank: 43
MRNY Sharpe Ratio Rank: 43
MRNY Sortino Ratio Rank: 48
MRNY Omega Ratio Rank: 43
MRNY Calmar Ratio Rank: 50
MRNY Martin Ratio Rank: 32

CWII

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

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.

MRNY vs. CWII - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax MRNA Option Income Strategy ETF (MRNY) and REX CRWV Growth & Income ETF (CWII). 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.

	MRNY	CWII	Difference
Sharpe ratio: Return per unit of total volatility	1.34	—	—
Sortino ratio: Return per unit of downside risk	2.09	—	—
Omega ratio: Gain probability vs. loss probability	1.25	—	—
Calmar ratio: Return relative to maximum drawdown	2.16	—	—
Martin ratio: Return relative to average drawdown	4.18	—	—

Drawdowns

MRNY vs. CWII - Drawdown Comparison

The maximum MRNY drawdown since its inception was -82.15%, which is greater than CWII's maximum drawdown of -51.04%. Use the drawdown chart below to compare losses from any high point for MRNY and CWII.

Drawdown Indicators

	MRNY	CWII	Difference
Max Drawdown Largest peak-to-trough decline	-82.15%	-51.04%	-31.11%
Max Drawdown (1Y) Largest decline over 1 year	-31.53%	—	—
Current Drawdown Current decline from peak	-63.40%	0.00%	-63.40%
Average Drawdown Average peak-to-trough decline	-52.89%	-33.26%	-19.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.26%	—	—

Volatility

Volatility by Period

	MRNY	CWII	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.79%	—	—
Volatility (6M) Calculated over the trailing 6-month period	38.77%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	50.99%	13,701.30%	-13,650.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.97%	13,701.30%	-13,650.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	50.97%	13,701.30%	-13,650.33%

MRNY vs. CWII - Expense Ratio Comparison

MRNY has a 0.99% expense ratio, which is lower than CWII's 1.03% expense ratio.

Dividends

MRNY vs. CWII - Dividend Comparison

MRNY's dividend yield for the trailing twelve months is around 87.35%, less than CWII's 123.26% yield.

Position	TTM	2025	2024	2023
CWII REX CRWV Growth & Income ETF	123.26%	6.09%	0.00%	0.00%
MRNY YieldMax MRNA Option Income Strategy ETF	87.35%	145.98%	178.49%	1.75%

Frequently Asked Questions

Can I hold both MRNY and CWII in my portfolio?

MRNY and CWII have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MRNY or CWII?

On fees, MRNY is cheaper at 0.99% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MRNY or CWII?

MRNY is cheaper with a 0.99% expense ratio, compared with 1.03% for CWII.

Which ETF pays a higher dividend yield, MRNY or CWII?

CWII has the higher dividend yield at 123.26%, compared with 87.35% for MRNY.

What is the main difference between MRNY and CWII?

They also come from different issuers: YieldMax and REX Shares. Their fees differ too: 0.99% for MRNY and 1.03% for CWII.