SDTY vs. RDTE

Last updated Jun 9, 2026

SDTY (YieldMax S&P 500 0DTE Covered Call Strategy ETF) and RDTE (Roundhill Small Cap 0DTE Covered Call Strategy ETF) are both Derivative Income funds. Both are actively managed. Over the past year, SDTY returned 21.67% vs 24.27% for RDTE. A 0.77 correlation means they provide meaningful diversification when combined. SDTY charges 1.01%/yr vs 0.95%/yr for RDTE.

Performance

SDTY vs. RDTE - 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 Small Cap 0DTE Covered Call Strategy ETF (RDTE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SDTY achieves a 6.19% return, which is significantly lower than RDTE's 10.92% return.

SDTY

• 1D: 0.23%
• 1M: -0.08%
• YTD: 6.19%
• 6M: 6.33%
• 1Y: 21.67%
• 3Y*: —
• 5Y*: —
• 10Y*: —

RDTE

• 1D: 0.90%
• 1M: -1.67%
• YTD: 10.92%
• 6M: 9.96%
• 1Y: 24.27%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SDTY vs. RDTE - Yearly Performance Comparison

	2026 (YTD)	2025
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	6.19%	9.83%
RDTE Roundhill Small Cap 0DTE Covered Call Strategy ETF	10.92%	5.29%

Correlation

The correlation between SDTY and RDTE is 0.73, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.73
Correlation (All Time) Calculated using the full available price history since Feb 7, 2025	0.77

The correlation between SDTY and RDTE has been stable across timeframes, ranging from 0.73 to 0.77 - a consistent structural relationship.

SDTY vs. RDTE - Sectors Allocation Comparison

Sectors	SDTY	RDTE
Technology	35.6%	-
Financial Services	11.8%	6.4%
Communication Services	11.2%	-
Consumer Cyclical	10.1%	-
Healthcare	8.5%	-
Industrials	8.3%	-
Consumer Defensive	4.9%	-
Energy	3.5%	-
Utilities	2.4%	-
Real Estate	1.9%	-
Basic Materials	1.8%	-

Return for Risk

SDTY vs. RDTE — Risk / Return Rank

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

SDTY

SDTY Risk / Return Rank: 65
SDTY Sharpe Ratio Rank: 65
SDTY Sortino Ratio Rank: 64
SDTY Omega Ratio Rank: 67
SDTY Calmar Ratio Rank: 61
SDTY Martin Ratio Rank: 69

RDTE

RDTE Risk / Return Rank: 49
RDTE Sharpe Ratio Rank: 45
RDTE Sortino Ratio Rank: 43
RDTE Omega Ratio Rank: 42
RDTE Calmar Ratio Rank: 59
RDTE Martin Ratio Rank: 57

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.

SDTY vs. RDTE - 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 Small Cap 0DTE Covered Call Strategy ETF (RDTE). 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.

	SDTY	RDTE	Difference
Sharpe ratio: Return per unit of total volatility	1.94	1.43	+0.51
Sortino ratio: Return per unit of downside risk	2.64	1.98	+0.66
Omega ratio: Gain probability vs. loss probability	1.36	1.24	+0.12
Calmar ratio: Return relative to maximum drawdown	2.71	2.66	+0.06
Martin ratio: Return relative to average drawdown	11.38	9.20	+2.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SDTY vs. RDTE - Sharpe Ratio Comparison

The current SDTY Sharpe Ratio is 1.94, which is higher than the RDTE Sharpe Ratio of 1.43. The chart below compares the historical Sharpe Ratios of SDTY and RDTE, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SDTY	RDTE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.94	1.43	+0.51
Sharpe Ratio (All Time) Calculated using the full available price history	0.73	0.90	-0.17

Drawdowns

SDTY vs. RDTE - Drawdown Comparison

The maximum SDTY drawdown since its inception was -18.63%, smaller than the maximum RDTE drawdown of -24.32%. Use the drawdown chart below to compare losses from any high point for SDTY and RDTE.

Drawdown Indicators

	SDTY	RDTE	Difference
Max Drawdown Largest peak-to-trough decline	-18.63%	-24.32%	+5.69%
Max Drawdown (1Y) Largest decline over 1 year	-8.02%	-9.17%	+1.15%
Current Drawdown Current decline from peak	-2.70%	-2.65%	-0.05%
Average Drawdown Average peak-to-trough decline	-3.02%	-4.65%	+1.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.91%	2.65%	-0.74%

Volatility

SDTY vs. RDTE - Volatility Comparison

The current volatility for YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY) is 3.44%, while Roundhill Small Cap 0DTE Covered Call Strategy ETF (RDTE) has a volatility of 5.84%. This indicates that SDTY experiences smaller price fluctuations and is considered to be less risky than RDTE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SDTY	RDTE	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.44%	5.84%	-2.40%
Volatility (6M) Calculated over the trailing 6-month period	8.74%	12.85%	-4.11%
Volatility (1Y) Calculated over the trailing 1-year period	11.23%	17.09%	-5.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.85%	19.32%	-2.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.85%	19.32%	-2.47%

SDTY vs. RDTE - Expense Ratio Comparison

SDTY has a 1.01% expense ratio, which is higher than RDTE's 0.95% expense ratio.

Dividends

SDTY vs. RDTE - Dividend Comparison

SDTY's dividend yield for the trailing twelve months is around 26.00%, less than RDTE's 46.18% yield.

Position	TTM	2025	2024
RDTE Roundhill Small Cap 0DTE Covered Call Strategy ETF	46.18%	50.16%	10.70%
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	26.00%	22.00%	0.00%

Frequently Asked Questions

Can I hold both SDTY and RDTE in my portfolio?

SDTY and RDTE have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SDTY or RDTE?

RDTE has higher volatility (5.84%) compared to SDTY (3.44%). In terms of maximum drawdown, SDTY dropped -18.63% vs RDTE's -24.32%.

Which ETF is better, SDTY or RDTE?

On 1-year performance, RDTE leads with 24.27% vs 21.67% for SDTY. On fees, RDTE is cheaper at 0.95% per year. On volatility, SDTY has been the lower-risk option at 3.44%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SDTY or RDTE?

Over the 1-year period, RDTE has performed better with a 24.27% return vs 21.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SDTY or RDTE?

RDTE is cheaper with a 0.95% expense ratio, compared with 1.01% for SDTY.

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

RDTE has the higher dividend yield at 46.18%, compared with 26.00% for SDTY.

What is the main difference between SDTY and RDTE?

They also come from different issuers: YieldMax and Roundhill. Their fees differ too: 1.01% for SDTY and 0.95% for RDTE.

Which has better risk-adjusted returns?

SDTY currently has the higher Sharpe Ratio (1.94 vs 1.43), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.