MSTW vs. COSW

Last updated Apr 1, 2026

Compare and contrast key facts about Roundhill MSTR WeeklyPay ETF (MSTW) and Roundhill COST WeeklyPay ETF (COSW).

MSTW and COSW are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MSTW is an actively managed fund by Roundhill. It was launched on Jul 23, 2025. COSW is an actively managed fund by Roundhill. It was launched on Oct 23, 2025.

Performance

MSTW vs. COSW - Performance Comparison

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

MSTW vs. COSW - Yearly Performance Comparison

	2026 (YTD)	2025
MSTW Roundhill MSTR WeeklyPay ETF	-22.66%	-54.05%
COSW Roundhill COST WeeklyPay ETF	17.20%	-10.71%

Returns By Period

In the year-to-date period, MSTW achieves a -22.66% return, which is significantly lower than COSW's 17.20% return.

MSTW

• 1D: 3.64%
• 1M: -5.24%
• YTD: -22.66%
• 6M: -69.65%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

COSW

• 1D: -0.54%
• 1M: -2.62%
• YTD: 17.20%
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MSTW vs. COSW - Expense Ratio Comparison

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

MSTW

Roundhill MSTR WeeklyPay ETF

COSW

Roundhill COST WeeklyPay ETF

Return for Risk

MSTW vs. COSW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill MSTR WeeklyPay ETF (MSTW) and Roundhill COST WeeklyPay ETF (COSW). 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

	MSTW	COSW	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	-0.99	0.44	-1.44

Correlation

The correlation between MSTW and COSW is -0.08. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

MSTW vs. COSW - Dividend Comparison

MSTW's dividend yield for the trailing twelve months is around 193.06%, more than COSW's 12.26% yield.

	TTM	2025
MSTW Roundhill MSTR WeeklyPay ETF	193.06%	106.94%
COSW Roundhill COST WeeklyPay ETF	12.26%	4.96%

Drawdowns

MSTW vs. COSW - Drawdown Comparison

The maximum MSTW drawdown since its inception was -81.85%, which is greater than COSW's maximum drawdown of -12.17%. Use the drawdown chart below to compare losses from any high point for MSTW and COSW.

Drawdown Indicators

	MSTW	COSW	Difference
Max Drawdown Largest peak-to-trough decline	-81.85%	-12.17%	-69.68%
Current Drawdown Current decline from peak	-77.90%	-3.28%	-74.62%
Average Drawdown Average peak-to-trough decline	-50.31%	-4.05%	-46.26%

Volatility

Volatility by Period

	MSTW	COSW	Difference
Volatility (1Y) Calculated over the trailing 1-year period	89.87%	25.36%	+64.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	89.87%	25.36%	+64.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	89.87%	25.36%	+64.51%