COSW vs. WMTI

Last updated Jun 6, 2026

COSW (Roundhill COST WeeklyPay ETF) and WMTI (REX WMT Growth & Income ETF) are both Derivative Income funds. Both are actively managed. A 0.60 correlation means they provide meaningful diversification when combined. Both charge a 0.99% expense ratio.

Performance

COSW vs. WMTI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill COST WeeklyPay ETF (COSW) and REX WMT Growth & Income ETF (WMTI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COSW achieves a 13.78% return, which is significantly higher than WMTI's 4.20% return.

COSW

• 1D: 0.14%
• 1M: -3.17%
• YTD: 13.78%
• 6M: 8.54%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

WMTI

• 1D: 1.14%
• 1M: -8.60%
• YTD: 4.20%
• 6M: 1.02%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

COSW vs. WMTI - Yearly Performance Comparison

	2026 (YTD)	2025
COSW Roundhill COST WeeklyPay ETF	13.78%	-10.35%
WMTI REX WMT Growth & Income ETF	4.20%	9.78%

Correlation

The correlation between COSW and WMTI is 0.60, 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 Nov 5, 2025	0.60

Return for Risk

COSW vs. WMTI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill COST WeeklyPay ETF (COSW) and REX WMT Growth & Income ETF (WMTI). 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.

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

Sharpe Ratios by Period

	COSW	WMTI	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	0.10	0.93	-0.83

Drawdowns

COSW vs. WMTI - Drawdown Comparison

The maximum COSW drawdown since its inception was -16.24%, smaller than the maximum WMTI drawdown of -17.24%. Use the drawdown chart below to compare losses from any high point for COSW and WMTI.

Drawdown Indicators

	COSW	WMTI	Difference
Max Drawdown Largest peak-to-trough decline	-16.24%	-17.24%	+1.00%
Current Drawdown Current decline from peak	-13.37%	-12.01%	-1.36%
Average Drawdown Average peak-to-trough decline	-4.29%	-3.89%	-0.40%

Volatility

Volatility by Period

	COSW	WMTI	Difference
Volatility (1Y) Calculated over the trailing 1-year period	25.99%	28.16%	-2.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.99%	28.16%	-2.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.99%	28.16%	-2.17%

COSW vs. WMTI - Expense Ratio Comparison

Both COSW and WMTI have an expense ratio of 0.99%.

Dividends

COSW vs. WMTI - Dividend Comparison

COSW's dividend yield for the trailing twelve months is around 17.86%, less than WMTI's 20.90% yield.

Position	TTM	2025
COSW Roundhill COST WeeklyPay ETF	17.86%	4.96%
WMTI REX WMT Growth & Income ETF	20.90%	3.36%

Frequently Asked Questions

Can I hold both COSW and WMTI in my portfolio?

COSW and WMTI have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, COSW or WMTI?

Both ETFs have the same 0.99% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, COSW or WMTI?

COSW and WMTI have the same expense ratio: 0.99% per year.

Which ETF pays a higher dividend yield, COSW or WMTI?

WMTI has the higher dividend yield at 20.90%, compared with 17.86% for COSW.

What is the main difference between COSW and WMTI?

They also come from different issuers: Roundhill and REX.