MSTW vs. OPER

Last updated Jun 24, 2026

MSTW (Roundhill MSTR WeeklyPay ETF) and OPER (ClearShares Ultra-Short Maturity ETF) are both exchange-traded funds - MSTW is a Derivative Income fund actively managed by Roundhill, while OPER is a Ultrashort Bond fund tracking the ICE BofA U.S. Broad Market Index. MSTW is actively managed, while OPER is passively managed. At a correlation of -0.04, they often move in opposite directions. MSTW charges 0.99%/yr vs 0.20%/yr for OPER.

Performance

MSTW vs. OPER - Performance Comparison

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

Returns By Period

In the year-to-date period, MSTW achieves a -40.29% return, which is significantly lower than OPER's 1.74% return.

MSTW

• 1D: -5.77%
• 1M: -41.43%
• YTD: -40.29%
• 6M: -43.01%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

OPER

• 1D: 0.02%
• 1M: 0.31%
• YTD: 1.74%
• 6M: 1.85%
• 1Y: 4.03%
• 3Y*: 4.76%
• 5Y*: 3.69%
• 10Y*: —

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

MSTW vs. OPER - Yearly Performance Comparison

	2026 (YTD)	2025
MSTW Roundhill MSTR WeeklyPay ETF	-40.29%	-71.40%
OPER ClearShares Ultra-Short Maturity ETF	1.74%	1.88%

Correlation

The correlation between MSTW and OPER is -0.04, 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 Jul 24, 2025	-0.04

Return for Risk

MSTW vs. OPER — Risk / Return Rank

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

MSTW

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

OPER

OPER Risk / Return Rank: 100
OPER Sharpe Ratio Rank: 100
OPER Sortino Ratio Rank: 100
OPER Omega Ratio Rank: 100
OPER Calmar Ratio Rank: 99
OPER Martin Ratio Rank: 100

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.

MSTW vs. OPER - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill MSTR WeeklyPay ETF (MSTW) and ClearShares Ultra-Short Maturity ETF (OPER). 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.

	MSTW	OPER	Difference
Sharpe ratio: Return per unit of total volatility	—	14.78	—
Sortino ratio: Return per unit of downside risk	—	42.78	—
Omega ratio: Gain probability vs. loss probability	—	12.54	—
Calmar ratio: Return relative to maximum drawdown	—	60.59	—
Martin ratio: Return relative to average drawdown	—	509.56	—

Drawdowns

MSTW vs. OPER - Drawdown Comparison

The maximum MSTW drawdown since its inception was -82.94%, which is greater than OPER's maximum drawdown of -2.33%. Use the drawdown chart below to compare losses from any high point for MSTW and OPER.

Drawdown Indicators

	MSTW	OPER	Difference
Max Drawdown Largest peak-to-trough decline	-82.94%	-2.33%	-80.61%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.07%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-0.11%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-0.13%	—
Current Drawdown Current decline from peak	-82.94%	0.00%	-82.94%
Average Drawdown Average peak-to-trough decline	-55.68%	-0.16%	-55.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.01%	—

Volatility

Volatility by Period

	MSTW	OPER	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.10%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.21%	—
Volatility (1Y) Calculated over the trailing 1-year period	89.08%	0.27%	+88.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	89.08%	0.32%	+88.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	89.08%	1.22%	+87.86%

MSTW vs. OPER - Expense Ratio Comparison

MSTW has a 0.99% expense ratio, which is higher than OPER's 0.20% expense ratio.

Dividends

MSTW vs. OPER - Dividend Comparison

MSTW's dividend yield for the trailing twelve months is around 325.95%, more than OPER's 4.08% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
MSTW Roundhill MSTR WeeklyPay ETF	325.95%	106.94%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
OPER ClearShares Ultra-Short Maturity ETF	4.08%	4.32%	5.21%	5.03%	1.71%	0.36%	0.64%	2.08%	0.89%

Frequently Asked Questions

Can I hold both MSTW and OPER in my portfolio?

MSTW and OPER have a correlation of -0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MSTW or OPER?

On fees, OPER is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MSTW or OPER?

OPER is cheaper with a 0.20% expense ratio, compared with 0.99% for MSTW.

Which ETF pays a higher dividend yield, MSTW or OPER?

MSTW has the higher dividend yield at 325.95%, compared with 4.08% for OPER.

What is the main difference between MSTW and OPER?

MSTW is categorized as Derivative Income, while OPER is Ultrashort Bond. They also come from different issuers: Roundhill and ClearShares. Their fees differ too: 0.99% for MSTW and 0.20% for OPER.