TSPY vs. SDTY

Last updated Jun 4, 2026

TSPY (TappAlpha SPY Growth & Daily Income ETF) and SDTY (YieldMax S&P 500 0DTE Covered Call Strategy ETF) are both Derivative Income funds. Both are actively managed. Over the past year, TSPY returned 27.46% vs 25.63% for SDTY. Their correlation of 0.87 suggests significant overlap in exposure. TSPY charges 0.68%/yr vs 1.01%/yr for SDTY.

Performance

TSPY vs. SDTY - Performance Comparison

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

Returns By Period

In the year-to-date period, TSPY achieves a 9.21% return, which is significantly higher than SDTY's 8.45% return.

TSPY

• 1D: -0.04%
• 1M: 5.21%
• YTD: 9.21%
• 6M: 9.43%
• 1Y: 27.46%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SDTY

• 1D: -0.51%
• 1M: 4.38%
• YTD: 8.45%
• 6M: 8.89%
• 1Y: 25.63%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TSPY vs. SDTY - Yearly Performance Comparison

	2026 (YTD)	2025
TSPY TappAlpha SPY Growth & Daily Income ETF	9.21%	12.78%
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	8.45%	9.83%

Correlation

The correlation between TSPY and SDTY is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.88
Correlation (All Time) Calculated using the full available price history since Feb 7, 2025	0.87

The correlation between TSPY and SDTY has been stable across timeframes, ranging from 0.87 to 0.88 - a consistent structural relationship.

Return for Risk

TSPY vs. SDTY — Risk / Return Rank

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

TSPY

TSPY Risk / Return Rank: 67
TSPY Sharpe Ratio Rank: 71
TSPY Sortino Ratio Rank: 71
TSPY Omega Ratio Rank: 71
TSPY Calmar Ratio Rank: 57
TSPY Martin Ratio Rank: 68

SDTY

SDTY Risk / Return Rank: 70
SDTY Sharpe Ratio Rank: 71
SDTY Sortino Ratio Rank: 70
SDTY Omega Ratio Rank: 72
SDTY Calmar Ratio Rank: 64
SDTY Martin Ratio Rank: 72

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.

TSPY vs. SDTY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for TappAlpha SPY Growth & Daily Income ETF (TSPY) and YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY). 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.

	TSPY	SDTY	Difference
Sharpe ratio Return per unit of total volatility	2.36	2.34	+0.02
Sortino ratio Return per unit of downside risk	3.28	3.21	+0.07
Omega ratio Gain probability vs. loss probability	1.44	1.43	0.00
Calmar ratio Return relative to maximum drawdown	2.86	3.21	-0.35
Martin ratio Return relative to average drawdown	12.75	13.58	-0.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TSPY vs. SDTY - Sharpe Ratio Comparison

The current TSPY Sharpe Ratio is 2.36, which is comparable to the SDTY Sharpe Ratio of 2.34. The chart below compares the historical Sharpe Ratios of TSPY and SDTY, 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

	TSPY	SDTY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.36	2.34	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	1.17	0.85	+0.32

Drawdowns

TSPY vs. SDTY - Drawdown Comparison

The maximum TSPY drawdown since its inception was -18.02%, roughly equal to the maximum SDTY drawdown of -18.63%. Use the drawdown chart below to compare losses from any high point for TSPY and SDTY.

Drawdown Indicators

	TSPY	SDTY	Difference
Max Drawdown Largest peak-to-trough decline	-18.02%	-18.63%	+0.61%
Max Drawdown (1Y) Largest decline over 1 year	-9.63%	-8.02%	-1.61%
Current Drawdown Current decline from peak	-0.13%	-0.62%	+0.49%
Average Drawdown Average peak-to-trough decline	-2.53%	-3.02%	+0.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.16%	1.89%	+0.27%

Volatility

TSPY vs. SDTY - Volatility Comparison

TappAlpha SPY Growth & Daily Income ETF (TSPY) and YieldMax S&P 500 0DTE Covered Call Strategy ETF (SDTY) have volatilities of 2.52% and 2.58%, 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

	TSPY	SDTY	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.52%	2.58%	-0.06%
Volatility (6M) Calculated over the trailing 6-month period	8.72%	8.39%	+0.33%
Volatility (1Y) Calculated over the trailing 1-year period	11.68%	11.00%	+0.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.05%	16.79%	-0.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.05%	16.79%	-0.74%

TSPY vs. SDTY - Expense Ratio Comparison

TSPY has a 0.68% expense ratio, which is lower than SDTY's 1.01% expense ratio.

Dividends

TSPY vs. SDTY - Dividend Comparison

TSPY's dividend yield for the trailing twelve months is around 13.68%, less than SDTY's 25.97% yield.

Position	TTM	2025	2024
SDTY YieldMax S&P 500 0DTE Covered Call Strategy ETF	25.97%	22.00%	0.00%
TSPY TappAlpha SPY Growth & Daily Income ETF	13.68%	13.69%	3.45%

Frequently Asked Questions

Can I hold both TSPY and SDTY in my portfolio?

TSPY and SDTY have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TSPY or SDTY?

SDTY has higher volatility (2.58%) compared to TSPY (2.52%). In terms of maximum drawdown, TSPY dropped -18.02% vs SDTY's -18.63%.

Which ETF is better, TSPY or SDTY?

On 1-year performance, TSPY leads with 27.46% vs 25.63% for SDTY. On fees, TSPY is cheaper at 0.68% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TSPY or SDTY?

Over the 1-year period, TSPY has performed better with a 27.46% return vs 25.63%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TSPY or SDTY?

TSPY is cheaper with a 0.68% expense ratio, compared with 1.01% for SDTY.

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

SDTY has the higher dividend yield at 25.97%, compared with 13.68% for TSPY.

What is the main difference between TSPY and SDTY?

They also come from different issuers: TappAlpha and YieldMax. Their fees differ too: 0.68% for TSPY and 1.01% for SDTY.

Which has better risk-adjusted returns?

TSPY currently has the higher Sharpe Ratio (2.36 vs 2.34), 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.