SDTY vs. ARMW

Last updated Aug 4, 2026

SDTY (YieldMax S&P 500 0DTE Covered Call Strategy ETF) and ARMW (Roundhill ARM WeeklyPay ETF) are both Derivative Income funds. Both are actively managed. Their 0.54 correlation means they have sometimes moved together and sometimes differently. SDTY charges 1.01%/yr vs 0.99%/yr for ARMW.

Performance

SDTY vs. ARMW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY) and Roundhill ARM WeeklyPay ETF (ARMW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SDTY achieves a 10.44% return, which is significantly lower than ARMW's 133.71% return.

SDTY

• 1D: 1.26%
• 1M: 2.69%
• 6M: 8.01%
• YTD: 10.44%
• 1Y: 21.18%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 13.76%

ARMW

• 1D: -0.53%
• 1M: -28.93%
• 6M: 143.26%
• YTD: 133.71%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
ARMW Roundhill ARM WeeklyPay ETF	$3.40M	$4.54M	$4.17M
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	$537.49K	$460.25K	$563.86K

SDTY vs. ARMW - Yearly Performance Comparison

	2026 (YTD)	2025
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	10.44%	3.50%
ARMW Roundhill ARM WeeklyPay ETF	133.71%	-41.28%

Correlation

The correlation between SDTY and ARMW is 0.54, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 23, 2025	0.54

SDTY vs. ARMW - Sectors Allocation Comparison

Sectors	SDTY	ARMW
Technology	39.0%	18.0%
Financial Services	11.1%	-
Communication Services	10.6%	-
Consumer Cyclical	9.9%	-
Healthcare	8.3%	-
Industrials	7.8%	-
Consumer Defensive	4.5%	-
Energy	3.1%	-
Utilities	2.1%	-
Real Estate	1.8%	-
Basic Materials	1.7%	-

Return for Risk

SDTY vs. ARMW — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

SDTY

SDTY Risk / Return Rank: 75
SDTY Sharpe Ratio Rank: 75
SDTY Sortino Ratio Rank: 74
SDTY Omega Ratio Rank: 75
SDTY Calmar Ratio Rank: 73
SDTY Martin Ratio Rank: 79

ARMW

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

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

SDTY vs. ARMW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY) and Roundhill ARM WeeklyPay ETF (ARMW). 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.

	SDTY	ARMW	Difference
Sharpe ratio: Return per unit of total volatility	1.79	—	—
Sortino ratio: Return per unit of downside risk	2.47	—	—
Omega ratio: Gain probability vs. loss probability	1.32	—	—
Calmar ratio: Return relative to maximum drawdown	2.65	—	—
Martin ratio: Return relative to average drawdown	10.57	—	—

Drawdowns

SDTY vs. ARMW - Drawdown Comparison

The maximum SDTY drawdown since its inception was -18.63%, smaller than the maximum ARMW drawdown of -56.50%. Use the drawdown chart below to compare losses from any high point for SDTY and ARMW.

Drawdown Indicators

	SDTY	ARMW	Difference
Max Drawdown Largest peak-to-trough decline	-18.63%	-56.50%	+37.87%
Max Drawdown (1Y) Largest decline over 1 year	-8.02%	—	—
Current Drawdown Current decline from peak	0.00%	-52.96%	+52.96%
Average Drawdown Average peak-to-trough decline	-2.84%	-27.31%	+24.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.01%	—	—

Volatility

Volatility by Period

	SDTY	ARMW	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.66%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.38%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	11.92%	95.78%	-83.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.48%	95.78%	-79.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.48%	95.78%	-79.30%

SDTY vs. ARMW - Expense Ratio Comparison

SDTY has a 1.01% expense ratio, which is higher than ARMW's 0.99% expense ratio.

Dividends

SDTY vs. ARMW - Dividend Comparison

SDTY's dividend yield for the trailing twelve months is around 26.85%, less than ARMW's 66.19% yield.

Position	TTM	2025
ARMW Roundhill ARM WeeklyPay ETF	66.19%	16.38%
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	26.85%	22.00%

Frequently Asked Questions

Can I hold both SDTY and ARMW in my portfolio?

SDTY and ARMW have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SDTY or ARMW?

On fees, ARMW is cheaper at 0.99% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SDTY or ARMW?

ARMW is cheaper with a 0.99% expense ratio, compared with 1.01% for SDTY.

Which ETF pays a higher dividend yield, SDTY or ARMW?

ARMW has the higher dividend yield at 66.19%, compared with 26.85% for SDTY.

What is the main difference between SDTY and ARMW?

They also come from different issuers: YieldMax and Roundhill. Their fees differ too: 1.01% for SDTY and 0.99% for ARMW.