AIPI vs. SPIN

Last updated Jun 4, 2026

AIPI (REX AI Equity Premium Income ETF) and SPIN (State Street US Equity Premium Income ETF) are both Derivative Income funds. Both are actively managed. Over the past year, AIPI returned 29.63% vs 20.24% for SPIN. A 0.76 correlation means they provide meaningful diversification when combined. AIPI charges 0.65%/yr vs 0.25%/yr for SPIN.

Performance

AIPI vs. SPIN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX AI Equity Premium Income ETF (AIPI) and State Street US Equity Premium Income ETF (SPIN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AIPI achieves a 10.68% return, which is significantly higher than SPIN's 3.07% return.

AIPI

• 1D: -0.81%
• 1M: 8.89%
• YTD: 10.68%
• 6M: 10.16%
• 1Y: 29.63%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SPIN

• 1D: -0.25%
• 1M: 2.78%
• YTD: 3.07%
• 6M: 3.87%
• 1Y: 20.24%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AIPI vs. SPIN - Yearly Performance Comparison

	2026 (YTD)	2025	2024
AIPI REX AI Equity Premium Income ETF	10.68%	16.38%	15.88%
SPIN State Street US Equity Premium Income ETF	3.07%	14.14%	6.09%

Correlation

The correlation between AIPI and SPIN is 0.71, 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	0.71
Correlation (All Time) Calculated using the full available price history since Sep 6, 2024	0.76

The correlation between AIPI and SPIN has been stable across timeframes, ranging from 0.71 to 0.76 - a consistent structural relationship.

AIPI vs. SPIN - Sectors Allocation Comparison

Sectors	AIPI	SPIN
Technology	90.9%	39.0%
Communication Services	5.9%	12.2%
Consumer Cyclical	3.2%	8.7%
Basic Materials	-	2.2%
Consumer Defensive	-	3.8%
Energy	-	2.9%
Financial Services	-	11.5%
Healthcare	-	8.3%
Industrials	-	8.0%
Real Estate	-	1.6%
Utilities	-	2.3%

Return for Risk

AIPI vs. SPIN — Risk / Return Rank

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

AIPI

AIPI Risk / Return Rank: 47
AIPI Sharpe Ratio Rank: 53
AIPI Sortino Ratio Rank: 49
AIPI Omega Ratio Rank: 54
AIPI Calmar Ratio Rank: 41
AIPI Martin Ratio Rank: 40

SPIN

SPIN Risk / Return Rank: 52
SPIN Sharpe Ratio Rank: 56
SPIN Sortino Ratio Rank: 55
SPIN Omega Ratio Rank: 59
SPIN Calmar Ratio Rank: 41
SPIN Martin Ratio Rank: 50

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.

AIPI vs. SPIN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX AI Equity Premium Income ETF (AIPI) and State Street US Equity Premium Income ETF (SPIN). 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.

	AIPI	SPIN	Difference
Sharpe ratio Return per unit of total volatility	1.87	1.94	-0.07
Sortino ratio Return per unit of downside risk	2.45	2.66	-0.21
Omega ratio Gain probability vs. loss probability	1.34	1.37	-0.03
Calmar ratio Return relative to maximum drawdown	2.07	2.08	-0.01
Martin ratio Return relative to average drawdown	6.42	8.68	-2.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AIPI vs. SPIN - Sharpe Ratio Comparison

The current AIPI Sharpe Ratio is 1.87, which is comparable to the SPIN Sharpe Ratio of 1.94. The chart below compares the historical Sharpe Ratios of AIPI and SPIN, 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

	AIPI	SPIN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.87	1.94	-0.07
Sharpe Ratio (All Time) Calculated using the full available price history	1.03	0.96	+0.08

Drawdowns

AIPI vs. SPIN - Drawdown Comparison

The maximum AIPI drawdown since its inception was -25.25%, which is greater than SPIN's maximum drawdown of -16.85%. Use the drawdown chart below to compare losses from any high point for AIPI and SPIN.

Drawdown Indicators

	AIPI	SPIN	Difference
Max Drawdown Largest peak-to-trough decline	-25.25%	-16.85%	-8.40%
Max Drawdown (1Y) Largest decline over 1 year	-14.40%	-9.81%	-4.59%
Current Drawdown Current decline from peak	-0.81%	-0.25%	-0.56%
Average Drawdown Average peak-to-trough decline	-4.66%	-2.29%	-2.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.63%	2.35%	+2.28%

Volatility

AIPI vs. SPIN - Volatility Comparison

REX AI Equity Premium Income ETF (AIPI) has a higher volatility of 2.89% compared to State Street US Equity Premium Income ETF (SPIN) at 1.80%. This indicates that AIPI's price experiences larger fluctuations and is considered to be riskier than SPIN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AIPI	SPIN	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.89%	1.80%	+1.09%
Volatility (6M) Calculated over the trailing 6-month period	12.96%	8.05%	+4.91%
Volatility (1Y) Calculated over the trailing 1-year period	15.94%	10.48%	+5.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.39%	14.34%	+7.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.39%	14.34%	+7.05%

AIPI vs. SPIN - Expense Ratio Comparison

AIPI has a 0.65% expense ratio, which is higher than SPIN's 0.25% expense ratio.

Dividends

AIPI vs. SPIN - Dividend Comparison

AIPI's dividend yield for the trailing twelve months is around 34.81%, more than SPIN's 5.64% yield.

Position	TTM	2025	2024
AIPI REX AI Equity Premium Income ETF	34.81%	37.84%	18.13%
SPIN State Street US Equity Premium Income ETF	5.64%	8.20%	2.36%

Frequently Asked Questions

Can I hold both AIPI and SPIN in my portfolio?

AIPI and SPIN have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AIPI or SPIN?

AIPI has higher volatility (2.89%) compared to SPIN (1.80%). In terms of maximum drawdown, AIPI dropped -25.25% vs SPIN's -16.85%.

Which ETF is better, AIPI or SPIN?

On 1-year performance, AIPI leads with 29.63% vs 20.24% for SPIN. On fees, SPIN is cheaper at 0.25% per year. On volatility, SPIN has been the lower-risk option at 1.80%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AIPI or SPIN?

Over the 1-year period, AIPI has performed better with a 29.63% return vs 20.24%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AIPI or SPIN?

SPIN is cheaper with a 0.25% expense ratio, compared with 0.65% for AIPI.

Which ETF pays a higher dividend yield, AIPI or SPIN?

AIPI has the higher dividend yield at 34.81%, compared with 5.64% for SPIN.

What is the main difference between AIPI and SPIN?

They also come from different issuers: REX and State Street. Their fees differ too: 0.65% for AIPI and 0.25% for SPIN.

Which has better risk-adjusted returns?

SPIN currently has the higher Sharpe Ratio (1.94 vs 1.87), 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.