SDTY vs. SPY

Last updated Aug 1, 2026

SDTY (YieldMax S&P 500 0DTE Covered Call Strategy ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - SDTY is a Derivative Income fund actively managed by YieldMax, while SPY is a S&P 500 fund tracking the S&P 500 Index. SDTY is actively managed, while SPY is passively managed. Over the past year, SDTY returned 19.68% vs 21.49% for SPY. Their correlation of 0.93 means they have usually moved in the same direction. SDTY charges 1.01%/yr vs 0.09%/yr for SPY.

Performance

SDTY vs. SPY - 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 State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SDTY achieves a 9.06% return, which is significantly lower than SPY's 10.13% return.

SDTY

• 1D: 0.51%
• 1M: 1.41%
• 6M: 7.09%
• YTD: 9.06%
• 1Y: 19.68%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 12.88%

SPY

• 1D: 0.72%
• 1M: 0.30%
• 6M: 8.53%
• YTD: 10.13%
• 1Y: 21.49%
• 3Y*: 19.32%
• 5Y*: 12.76%
• 10Y*: 15.07%
• ALL TIME*: 10.79%

*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)
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	$462.73K	$438.52K	$552.67K
SPY State Street SPDR S&P 500 ETF	$37.27B	$35.99B	$39.23B

SDTY vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	9.06%	9.67%
SPY State Street SPDR S&P 500 ETF	10.13%	14.18%

Correlation

The correlation between SDTY and SPY is 0.94, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.94
Correlation (All Time) Calculated using the full available price history since Feb 6, 2025	0.93

The correlation between SDTY and SPY has been stable across timeframes, ranging from 0.93 to 0.94 - a consistent structural relationship.

SDTY vs. SPY - Sectors Allocation Comparison

Sectors	SDTY	SPY
Technology	39.0%	36.9%
Financial Services	11.1%	12.5%
Communication Services	10.6%	9.7%
Consumer Cyclical	9.9%	8.9%
Healthcare	8.3%	9.4%
Industrials	7.8%	7.6%
Consumer Defensive	4.5%	4.8%
Energy	3.1%	3.4%
Utilities	2.1%	2.6%
Real Estate	1.8%	2.0%
Basic Materials	1.7%	1.9%

Return for Risk

SDTY vs. SPY — Risk / Return Rank

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

SDTY

SDTY Risk / Return Rank: 65
SDTY Sharpe Ratio Rank: 65
SDTY Sortino Ratio Rank: 63
SDTY Omega Ratio Rank: 63
SDTY Calmar Ratio Rank: 64
SDTY Martin Ratio Rank: 72

SPY

SPY Risk / Return Rank: 67
SPY Sharpe Ratio Rank: 67
SPY Sortino Ratio Rank: 64
SPY Omega Ratio Rank: 65
SPY Calmar Ratio Rank: 64
SPY Martin Ratio Rank: 76

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. SPY - 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 State Street SPDR S&P 500 ETF (SPY). 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	SPY	Difference
Sharpe ratio: Return per unit of total volatility	1.49	1.52	-0.03
Sortino ratio: Return per unit of downside risk	2.07	2.11	-0.04
Omega ratio: Gain probability vs. loss probability	1.27	1.27	0.00
Calmar ratio: Return relative to maximum drawdown	2.22	2.20	+0.02
Martin ratio: Return relative to average drawdown	8.86	9.40	-0.54

SDTY vs. SPY - Sharpe Ratio Comparison

The current SDTY Sharpe Ratio is 1.49, which is comparable to the SPY Sharpe Ratio of 1.52. The chart below compares the historical Sharpe Ratios of SDTY and SPY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SDTY vs. SPY - Drawdown Comparison

The maximum SDTY drawdown since its inception was -18.63%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for SDTY and SPY.

Drawdown Indicators

	SDTY	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-18.63%	-55.19%	+36.56%
Max Drawdown (1Y) Largest decline over 1 year	-8.02%	-8.88%	+0.86%
Max Drawdown (3Y) Largest decline over 3 years	—	-18.76%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.50%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.72%	—
Current Drawdown Current decline from peak	-0.23%	-1.40%	+1.17%
Average Drawdown Average peak-to-trough decline	-2.85%	-9.01%	+6.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.01%	2.08%	-0.07%

Volatility

SDTY vs. SPY - Volatility Comparison

YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY) and State Street SPDR S&P 500 ETF (SPY) have volatilities of 3.47% and 3.58%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SDTY	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.47%	3.58%	-0.11%
Volatility (6M) Calculated over the trailing 6-month period	9.31%	10.14%	-0.83%
Volatility (1Y) Calculated over the trailing 1-year period	11.96%	12.89%	-0.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.47%	17.18%	-0.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.47%	17.95%	-1.48%

SDTY vs. SPY - Expense Ratio Comparison

SDTY has a 1.01% expense ratio, which is higher than SPY's 0.09% expense ratio.

Dividends

SDTY vs. SPY - Dividend Comparison

SDTY's dividend yield for the trailing twelve months is around 27.19%, more than SPY's 1.01% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	27.19%	22.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPY State Street SPDR S&P 500 ETF	1.01%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%

Frequently Asked Questions

Can I hold both SDTY and SPY in my portfolio?

With a correlation of 0.94, SDTY and SPY move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, SDTY or SPY?

SPY has higher volatility (3.58%) compared to SDTY (3.47%). In terms of maximum drawdown, SDTY dropped -18.63% vs SPY's -55.19%.

Which ETF is better, SDTY or SPY?

On 1-year performance, SPY leads with 21.49% vs 19.68% for SDTY. On fees, SPY is cheaper at 0.09% per year. On volatility, SDTY has been the lower-risk option at 3.47%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SDTY or SPY?

Over the 1-year period, SPY has performed better with a 21.49% return vs 19.68%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SDTY or SPY?

SPY is cheaper with a 0.09% expense ratio, compared with 1.01% for SDTY.

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

SDTY has the higher dividend yield at 27.19%, compared with 1.01% for SPY.

What is the main difference between SDTY and SPY?

SDTY is categorized as Derivative Income, while SPY is S&P 500. They also come from different issuers: YieldMax and State Street. Their fees differ too: 1.01% for SDTY and 0.09% for SPY.

Which has better risk-adjusted returns?

SPY currently has the higher Sharpe Ratio (1.52 vs 1.49), 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.