CWII vs. MSTK

Last updated Jun 23, 2026

CWII (REX CRWV Growth & Income ETF) and MSTK (Tuttle Capital MSTR 0DTE Covered Call ETF) are both Derivative Income funds. Both are actively managed. At a 0.36 correlation, their price movements are largely independent. CWII charges 1.03%/yr vs 0.99%/yr for MSTK.

Performance

CWII vs. MSTK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX CRWV Growth & Income ETF (CWII) and Tuttle Capital MSTR 0DTE Covered Call ETF (MSTK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

CWII

• 1D: 0.00%
• 1M: 10,273.16%
• YTD: 13,199.78%
• 6M: 11,535.41%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTK

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

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

CWII vs. MSTK - Yearly Performance Comparison

	2026 (YTD)	2025
CWII REX CRWV Growth & Income ETF	13,199.78%	-45.06%
MSTK Tuttle Capital MSTR 0DTE Covered Call ETF	-20.94%	-43.89%

Correlation

The correlation between CWII and MSTK is 0.36, 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	0.36

Return for Risk

CWII vs. MSTK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX CRWV Growth & Income ETF (CWII) and Tuttle Capital MSTR 0DTE Covered Call ETF (MSTK). 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.

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

Drawdowns

Drawdown Indicators

	CWII	MSTK	Difference
Max Drawdown Largest peak-to-trough decline	-51.04%	—	—
Current Drawdown Current decline from peak	0.00%	—	—
Average Drawdown Average peak-to-trough decline	-33.26%	—	—

Volatility

Volatility by Period

	CWII	MSTK	Difference
Volatility (1Y) Calculated over the trailing 1-year period	13,701.30%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13,701.30%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13,701.30%	—	—

CWII vs. MSTK - Expense Ratio Comparison

CWII has a 1.03% expense ratio, which is higher than MSTK's 0.99% expense ratio.

Dividends

CWII vs. MSTK - Dividend Comparison

CWII's dividend yield for the trailing twelve months is around 123.26%, more than MSTK's 49.03% yield.

Position	TTM	2025
CWII REX CRWV Growth & Income ETF	123.26%	6.09%
MSTK Tuttle Capital MSTR 0DTE Covered Call ETF	49.03%	26.75%

Frequently Asked Questions

Can I hold both CWII and MSTK in my portfolio?

CWII and MSTK have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CWII or MSTK?

On fees, MSTK 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, CWII or MSTK?

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

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

CWII has the higher dividend yield at 123.26%, compared with 49.03% for MSTK.

What is the main difference between CWII and MSTK?

They also come from different issuers: REX Shares and Tuttle Capital Management. Their fees differ too: 1.03% for CWII and 0.99% for MSTK.