SDTY vs. CWII

Last updated Jun 24, 2026

SDTY (YieldMax S&P 500 0DTE Covered Call Strategy ETF) and CWII (REX CRWV Growth & Income ETF) are both Derivative Income funds. Both are actively managed. At a 0.42 correlation, their price movements are largely independent. SDTY charges 1.01%/yr vs 1.03%/yr for CWII.

Performance

SDTY vs. CWII - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY) 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, SDTY achieves a 6.44% return, which is significantly lower than CWII's 13,199.78% return.

SDTY

• 1D: -1.37%
• 1M: -0.84%
• YTD: 6.44%
• 6M: 5.67%
• 1Y: 22.10%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CWII

• 1D: 0.00%
• 1M: 10,273.16%
• YTD: 13,199.78%
• 6M: 11,946.90%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SDTY vs. CWII - Yearly Performance Comparison

	2026 (YTD)	2025
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	6.44%	0.74%
CWII REX CRWV Growth & Income ETF	13,199.78%	-45.06%

Correlation

The correlation between SDTY and CWII is 0.42, 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	0.42

Return for Risk

SDTY vs. CWII — Risk / Return Rank

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

SDTY

SDTY Risk / Return Rank: 61
SDTY Sharpe Ratio Rank: 61
SDTY Sortino Ratio Rank: 58
SDTY Omega Ratio Rank: 62
SDTY Calmar Ratio Rank: 59
SDTY Martin Ratio Rank: 66

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.

SDTY vs. CWII - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY) 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.

	SDTY	CWII	Difference
Sharpe ratio: Return per unit of total volatility	1.91	—	—
Sortino ratio: Return per unit of downside risk	2.61	—	—
Omega ratio: Gain probability vs. loss probability	1.35	—	—
Calmar ratio: Return relative to maximum drawdown	2.77	—	—
Martin ratio: Return relative to average drawdown	11.26	—	—

Drawdowns

SDTY vs. CWII - Drawdown Comparison

The maximum SDTY drawdown since its inception was -18.63%, smaller than the maximum CWII drawdown of -51.04%. Use the drawdown chart below to compare losses from any high point for SDTY and CWII.

Drawdown Indicators

	SDTY	CWII	Difference
Max Drawdown Largest peak-to-trough decline	-18.63%	-51.04%	+32.41%
Max Drawdown (1Y) Largest decline over 1 year	-8.02%	—	—
Current Drawdown Current decline from peak	-2.47%	0.00%	-2.47%
Average Drawdown Average peak-to-trough decline	-2.99%	-33.26%	+30.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.97%	—	—

Volatility

Volatility by Period

	SDTY	CWII	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.37%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.14%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	11.64%	13,701.30%	-13,689.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.82%	13,701.30%	-13,684.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.82%	13,701.30%	-13,684.48%

SDTY vs. CWII - Expense Ratio Comparison

SDTY has a 1.01% expense ratio, which is lower than CWII's 1.03% expense ratio.

Dividends

SDTY vs. CWII - Dividend Comparison

SDTY's dividend yield for the trailing twelve months is around 26.11%, less than CWII's 123.26% yield.

Position	TTM	2025
CWII REX CRWV Growth & Income ETF	123.26%	6.09%
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	26.11%	22.00%

Frequently Asked Questions

Can I hold both SDTY and CWII in my portfolio?

SDTY and CWII have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SDTY or CWII?

On fees, SDTY is cheaper at 1.01% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SDTY or CWII?

SDTY is cheaper with a 1.01% expense ratio, compared with 1.03% for CWII.

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

CWII has the higher dividend yield at 123.26%, compared with 26.11% for SDTY.

What is the main difference between SDTY and CWII?

They also come from different issuers: YieldMax and REX Shares. Their fees differ too: 1.01% for SDTY and 1.03% for CWII.