GPTY vs. MSTZ

Last updated Aug 2, 2026

GPTY (YieldMax AI & Tech Portfolio Option Income ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - GPTY is a Artificial Intelligence fund actively managed by YieldMax, while MSTZ is a Inverse Equities fund actively managed by REX. Both are actively managed. Over the past year, GPTY returned 30.09% vs 159.07% for MSTZ. Their -0.50 correlation means they have often moved in opposite directions in the past. GPTY charges 0.99%/yr vs 1.05%/yr for MSTZ.

Performance

GPTY vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in YieldMax AI & Tech Portfolio Option Income ETF (GPTY) 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, GPTY achieves a 19.03% return, which is significantly higher than MSTZ's -30.44% return.

GPTY

• 1D: 0.97%
• 1M: -3.52%
• 6M: 19.40%
• YTD: 19.03%
• 1Y: 30.09%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 24.94%

MSTZ

• 1D: 8.95%
• 1M: 7.38%
• 6M: -24.16%
• YTD: -30.44%
• 1Y: 159.07%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -86.57%

*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)
GPTY YieldMax AI & Tech Portfolio Option Income ETF	$1.83M	$1.93M	$2.58M
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	$101.73M	$133.33M	$177.41M

GPTY vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025
GPTY YieldMax AI & Tech Portfolio Option Income ETF	19.03%	17.77%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-30.44%	24.55%

Correlation

The correlation between GPTY and MSTZ is -0.49, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.49
Correlation (All Time) Calculated using the full available price history since Jan 23, 2025	-0.50

The correlation between GPTY and MSTZ has been stable across timeframes, ranging from -0.50 to -0.49 - a consistent structural relationship.

Return for Risk

GPTY vs. MSTZ — Risk / Return Rank

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

GPTY

GPTY Risk / Return Rank: 38
GPTY Sharpe Ratio Rank: 39
GPTY Sortino Ratio Rank: 39
GPTY Omega Ratio Rank: 38
GPTY Calmar Ratio Rank: 39
GPTY Martin Ratio Rank: 33

MSTZ

MSTZ Risk / Return Rank: 61
MSTZ Sharpe Ratio Rank: 58
MSTZ Sortino Ratio Rank: 68
MSTZ Omega Ratio Rank: 68
MSTZ Calmar Ratio Rank: 70
MSTZ Martin Ratio Rank: 42

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.

GPTY vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax AI & Tech Portfolio Option Income ETF (GPTY) 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.

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.

	GPTY	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	0.96	1.38	-0.42
Sortino ratio: Return per unit of downside risk	1.44	2.22	-0.77
Omega ratio: Gain probability vs. loss probability	1.18	1.28	-0.10
Calmar ratio: Return relative to maximum drawdown	1.37	2.44	-1.08
Martin ratio: Return relative to average drawdown	3.16	4.53	-1.38

GPTY vs. MSTZ - Sharpe Ratio Comparison

The current GPTY Sharpe Ratio is 0.96, which is lower than the MSTZ Sharpe Ratio of 1.38. The chart below compares the historical Sharpe Ratios of GPTY 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.

Drawdowns

GPTY vs. MSTZ - Drawdown Comparison

The maximum GPTY drawdown since its inception was -26.62%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for GPTY and MSTZ.

Drawdown Indicators

	GPTY	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-26.62%	-99.38%	+72.76%
Max Drawdown (1Y) Largest decline over 1 year	-19.32%	-84.89%	+65.57%
Current Drawdown Current decline from peak	-13.94%	-97.63%	+83.69%
Average Drawdown Average peak-to-trough decline	-6.85%	-94.63%	+87.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.35%	45.62%	-37.27%

Volatility

GPTY vs. MSTZ - Volatility Comparison

The current volatility for YieldMax AI & Tech Portfolio Option Income ETF (GPTY) is 9.87%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 37.86%. This indicates that GPTY 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

	GPTY	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.87%	37.86%	-27.99%
Volatility (6M) Calculated over the trailing 6-month period	22.61%	134.52%	-111.91%
Volatility (1Y) Calculated over the trailing 1-year period	27.40%	150.23%	-122.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.87%	169.87%	-140.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.87%	169.87%	-140.00%

GPTY vs. MSTZ - Expense Ratio Comparison

GPTY has a 0.99% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

GPTY vs. MSTZ - Dividend Comparison

GPTY's dividend yield for the trailing twelve months is around 39.00%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025
GPTY YieldMax AI & Tech Portfolio Option Income ETF	39.00%	34.23%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%

Frequently Asked Questions

Can I hold both GPTY and MSTZ in my portfolio?

GPTY and MSTZ have a correlation of -0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GPTY or MSTZ?

MSTZ has higher volatility (37.86%) compared to GPTY (9.87%). In terms of maximum drawdown, GPTY dropped -26.62% vs MSTZ's -99.38%.

Which ETF is better, GPTY or MSTZ?

On 1-year performance, MSTZ leads with 159.07% vs 30.09% for GPTY. On fees, GPTY is cheaper at 0.99% per year. On volatility, GPTY has been the lower-risk option at 9.87%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GPTY or MSTZ?

Over the 1-year period, MSTZ has performed better with a 159.07% return vs 30.09%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GPTY or MSTZ?

GPTY is cheaper with a 0.99% expense ratio, compared with 1.05% for MSTZ.

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

GPTY has the higher dividend yield at 39.00%, compared with 0.00% for MSTZ.

What is the main difference between GPTY and MSTZ?

GPTY is categorized as Artificial Intelligence, while MSTZ is Inverse Equities. They also come from different issuers: YieldMax and REX. Their fees differ too: 0.99% for GPTY and 1.05% for MSTZ.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.38 vs 0.96), 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.