ITWO vs. COSW

Last updated Jun 5, 2026

ITWO (Proshares Russell 2000 High Income ETF) and COSW (Roundhill COST WeeklyPay ETF) are both Derivative Income funds. ITWO is passively managed, while COSW is actively managed. At a correlation of -0.06, they often move in opposite directions. ITWO charges 0.55%/yr vs 0.99%/yr for COSW.

Performance

ITWO vs. COSW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Proshares Russell 2000 High Income ETF (ITWO) and Roundhill COST WeeklyPay ETF (COSW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ITWO achieves a 19.23% return, which is significantly higher than COSW's 13.62% return.

ITWO

• 1D: 1.46%
• 1M: 3.76%
• YTD: 19.23%
• 6M: 17.25%
• 1Y: 41.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

COSW

• 1D: 1.32%
• 1M: -5.52%
• YTD: 13.62%
• 6M: 8.10%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ITWO vs. COSW - Yearly Performance Comparison

	2026 (YTD)	2025
ITWO Proshares Russell 2000 High Income ETF	19.23%	0.91%
COSW Roundhill COST WeeklyPay ETF	13.62%	-10.71%

Correlation

The correlation between ITWO and COSW is -0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 24, 2025	-0.06

Return for Risk

ITWO vs. COSW — Risk / Return Rank

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

ITWO

ITWO Risk / Return Rank: 70
ITWO Sharpe Ratio Rank: 69
ITWO Sortino Ratio Rank: 66
ITWO Omega Ratio Rank: 59
ITWO Calmar Ratio Rank: 82
ITWO Martin Ratio Rank: 76

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.

ITWO vs. COSW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Proshares Russell 2000 High Income ETF (ITWO) 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.

	ITWO	COSW	Difference
Sharpe ratio: Return per unit of total volatility	2.23	—	—
Sortino ratio: Return per unit of downside risk	3.00	—	—
Omega ratio: Gain probability vs. loss probability	1.36	—	—
Calmar ratio: Return relative to maximum drawdown	4.24	—	—
Martin ratio: Return relative to average drawdown	14.28	—	—
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

	ITWO	COSW	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.23	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.08	0.09	+0.98

Drawdowns

ITWO vs. COSW - Drawdown Comparison

The maximum ITWO drawdown since its inception was -24.77%, which is greater than COSW's maximum drawdown of -16.24%. Use the drawdown chart below to compare losses from any high point for ITWO and COSW.

Drawdown Indicators

	ITWO	COSW	Difference
Max Drawdown Largest peak-to-trough decline	-24.77%	-16.24%	-8.53%
Max Drawdown (1Y) Largest decline over 1 year	-9.79%	—	—
Current Drawdown Current decline from peak	0.00%	-13.49%	+13.49%
Average Drawdown Average peak-to-trough decline	-5.14%	-4.23%	-0.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.90%	—	—

Volatility

Volatility by Period

	ITWO	COSW	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.81%	—	—
Volatility (6M) Calculated over the trailing 6-month period	13.42%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	18.61%	26.07%	-7.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.48%	26.07%	-5.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.48%	26.07%	-5.59%

ITWO vs. COSW - Expense Ratio Comparison

ITWO has a 0.55% expense ratio, which is lower than COSW's 0.99% expense ratio.

Dividends

ITWO vs. COSW - Dividend Comparison

ITWO's dividend yield for the trailing twelve months is around 7.47%, less than COSW's 17.89% yield.

Position	TTM	2025	2024
COSW Roundhill COST WeeklyPay ETF	17.89%	4.96%	0.00%
ITWO Proshares Russell 2000 High Income ETF	7.47%	12.12%	4.11%

Frequently Asked Questions

Can I hold both ITWO and COSW in my portfolio?

ITWO and COSW have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ITWO or COSW?

On fees, ITWO is cheaper at 0.55% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ITWO or COSW?

ITWO is cheaper with a 0.55% expense ratio, compared with 0.99% for COSW.

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

COSW has the higher dividend yield at 17.89%, compared with 7.47% for ITWO.

What is the main difference between ITWO and COSW?

They also come from different issuers: ProShares and Roundhill. Their fees differ too: 0.55% for ITWO and 0.99% for COSW.