AIPI vs. MSTZ

Last updated Jun 3, 2026

AIPI (REX AI Equity Premium Income ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - AIPI is a Derivative Income fund actively managed by REX, while MSTZ is a Inverse Equities fund actively managed by REX. Both are actively managed. Over the past year, AIPI returned 32.04% vs 56.67% for MSTZ. At a correlation of -0.48, they often move in opposite directions. AIPI charges 0.65%/yr vs 1.05%/yr for MSTZ.

Performance

AIPI vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX AI Equity Premium Income ETF (AIPI) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AIPI achieves a 11.58% return, which is significantly higher than MSTZ's -53.41% return.

AIPI

• 1D: 0.15%
• 1M: 10.17%
• YTD: 11.58%
• 6M: 11.05%
• 1Y: 32.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: 18.20%
• 1M: 51.33%
• YTD: -53.41%
• 6M: -37.72%
• 1Y: 56.67%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AIPI vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
AIPI REX AI Equity Premium Income ETF	11.58%	16.38%	11.91%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-53.41%	-38.95%	-94.26%

Correlation

The correlation between AIPI and MSTZ is -0.47, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.47
Correlation (All Time) Calculated using the full available price history since Sep 19, 2024	-0.48

Return for Risk

AIPI vs. MSTZ — Risk / Return Rank

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

AIPI

AIPI Risk / Return Rank: 52
AIPI Sharpe Ratio Rank: 59
AIPI Sortino Ratio Rank: 54
AIPI Omega Ratio Rank: 59
AIPI Calmar Ratio Rank: 46
AIPI Martin Ratio Rank: 44

MSTZ

MSTZ Risk / Return Rank: 21
MSTZ Sharpe Ratio Rank: 15
MSTZ Sortino Ratio Rank: 28
MSTZ Omega Ratio Rank: 29
MSTZ Calmar Ratio Rank: 17
MSTZ Martin Ratio Rank: 15

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. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX AI Equity Premium Income ETF (AIPI) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). 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	MSTZ	Difference
Sharpe ratio Return per unit of total volatility	2.02	0.41	+1.62
Sortino ratio Return per unit of downside risk	2.62	1.52	+1.11
Omega ratio Gain probability vs. loss probability	1.37	1.19	+0.17
Calmar ratio Return relative to maximum drawdown	2.32	0.64	+1.69
Martin ratio Return relative to average drawdown	7.22	1.35	+5.88
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. MSTZ - Sharpe Ratio Comparison

The current AIPI Sharpe Ratio is 2.02, which is higher than the MSTZ Sharpe Ratio of 0.41. The chart below compares the historical Sharpe Ratios of AIPI and MSTZ, 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	MSTZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.02	0.41	+1.62
Sharpe Ratio (All Time) Calculated using the full available price history	1.06	-0.54	+1.60

Drawdowns

AIPI vs. MSTZ - Drawdown Comparison

The maximum AIPI drawdown since its inception was -25.25%, smaller than the maximum MSTZ drawdown of -99.36%. Use the drawdown chart below to compare losses from any high point for AIPI and MSTZ.

Drawdown Indicators

	AIPI	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-25.25%	-99.36%	+74.11%
Max Drawdown (1Y) Largest decline over 1 year	-14.40%	-84.89%	+70.49%
Current Drawdown Current decline from peak	0.00%	-98.37%	+98.37%
Average Drawdown Average peak-to-trough decline	-4.67%	-94.38%	+89.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.63%	40.08%	-35.45%

Volatility

AIPI vs. MSTZ - Volatility Comparison

The current volatility for REX AI Equity Premium Income ETF (AIPI) is 2.59%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 37.37%. This indicates that AIPI experiences smaller price fluctuations and is considered to be less risky than MSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AIPI	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.59%	37.37%	-34.78%
Volatility (6M) Calculated over the trailing 6-month period	12.93%	125.27%	-112.34%
Volatility (1Y) Calculated over the trailing 1-year period	15.94%	139.71%	-123.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.40%	170.21%	-148.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.40%	170.21%	-148.81%

AIPI vs. MSTZ - Expense Ratio Comparison

AIPI has a 0.65% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

AIPI vs. MSTZ - Dividend Comparison

AIPI's dividend yield for the trailing twelve months is around 33.63%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025	2024
AIPI REX AI Equity Premium Income ETF	33.63%	37.84%	18.13%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both AIPI and MSTZ in my portfolio?

AIPI and MSTZ have a correlation of -0.47, 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 MSTZ?

MSTZ has higher volatility (37.37%) compared to AIPI (2.59%). In terms of maximum drawdown, AIPI dropped -25.25% vs MSTZ's -99.36%.

Which ETF is better, AIPI or MSTZ?

On 1-year performance, MSTZ leads with 56.67% vs 32.04% for AIPI. On fees, AIPI is cheaper at 0.65% per year. On volatility, AIPI has been the lower-risk option at 2.59%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AIPI or MSTZ?

Over the 1-year period, MSTZ has performed better with a 56.67% return vs 32.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AIPI or MSTZ?

AIPI is cheaper with a 0.65% expense ratio, compared with 1.05% for MSTZ.

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

AIPI has the higher dividend yield at 33.63%, compared with 0.00% for MSTZ.

What is the main difference between AIPI and MSTZ?

AIPI is categorized as Derivative Income, while MSTZ is Inverse Equities. Their fees differ too: 0.65% for AIPI and 1.05% for MSTZ.

Which has better risk-adjusted returns?

AIPI currently has the higher Sharpe Ratio (2.02 vs 0.41), 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.