TSMY vs. COSW

Last updated Apr 1, 2026

Compare and contrast key facts about YieldMax TSM Option Income Strategy ETF (TSMY) and Roundhill COST WeeklyPay ETF (COSW).

TSMY and COSW are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. TSMY is an actively managed fund by YieldMax. It was launched on Aug 20, 2024. COSW is an actively managed fund by Roundhill. It was launched on Oct 23, 2025.

Performance

TSMY vs. COSW - Performance Comparison

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

TSMY vs. COSW - Yearly Performance Comparison

	2026 (YTD)	2025
TSMY YieldMax TSM Option Income Strategy ETF	10.01%	3.21%
COSW Roundhill COST WeeklyPay ETF	17.20%	-10.71%

Returns By Period

In the year-to-date period, TSMY achieves a 10.01% return, which is significantly lower than COSW's 17.20% return.

TSMY

• 1D: 6.41%
• 1M: -7.42%
• YTD: 10.01%
• 6M: 17.90%
• 1Y: 81.49%
• 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)

TSMY vs. COSW - Expense Ratio Comparison

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

TSMY

YieldMax TSM Option Income Strategy ETF

COSW

Roundhill COST WeeklyPay ETF

Return for Risk

TSMY vs. COSW — Risk / Return Rank

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

TSMY

TSMY Risk / Return Rank: 96
TSMY Sharpe Ratio Rank: 97
TSMY Sortino Ratio Rank: 96
TSMY Omega Ratio Rank: 94
TSMY Calmar Ratio Rank: 97
TSMY Martin Ratio Rank: 97

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.

TSMY vs. COSW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax TSM Option Income Strategy ETF (TSMY) 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.

	TSMY	COSW	Difference
Sharpe ratio Return per unit of total volatility	2.64	—	—
Sortino ratio Return per unit of downside risk	3.15	—	—
Omega ratio Gain probability vs. loss probability	1.43	—	—
Calmar ratio Return relative to maximum drawdown	5.28	—	—
Martin ratio Return relative to average drawdown	18.28	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	TSMY	COSW	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.64	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.15	0.44	+0.70

Correlation

The correlation between TSMY and COSW is -0.03. 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

TSMY vs. COSW - Dividend Comparison

TSMY's dividend yield for the trailing twelve months is around 57.85%, more than COSW's 12.26% yield.

	TTM	2025	2024
TSMY YieldMax TSM Option Income Strategy ETF	57.85%	56.76%	13.71%
COSW Roundhill COST WeeklyPay ETF	12.26%	4.96%	0.00%

Drawdowns

TSMY vs. COSW - Drawdown Comparison

The maximum TSMY drawdown since its inception was -31.15%, which is greater than COSW's maximum drawdown of -12.17%. Use the drawdown chart below to compare losses from any high point for TSMY and COSW.

Drawdown Indicators

	TSMY	COSW	Difference
Max Drawdown Largest peak-to-trough decline	-31.15%	-12.17%	-18.98%
Max Drawdown (1Y) Largest decline over 1 year	-15.50%	—	—
Current Drawdown Current decline from peak	-10.08%	-3.28%	-6.80%
Average Drawdown Average peak-to-trough decline	-5.81%	-4.05%	-1.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.48%	—	—

Volatility

Volatility by Period

	TSMY	COSW	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.70%	—	—
Volatility (6M) Calculated over the trailing 6-month period	23.05%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	31.08%	25.36%	+5.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.42%	25.36%	+8.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.42%	25.36%	+8.06%