MSTZ vs. MSTY

Last updated Aug 5, 2026

MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) and MSTY (YieldMax™ MSTR Option Income Strategy ETF) are both exchange-traded funds - MSTZ is a Inverse Equities fund actively managed by REX, while MSTY is a Derivative Income fund actively managed by YieldMax. Both are actively managed. Over the past year, MSTZ returned 167.49% vs -68.96% for MSTY. Their -0.99 correlation means they have often moved in opposite directions in the past. MSTZ charges 1.05%/yr vs 0.99%/yr for MSTY.

Performance

MSTZ vs. MSTY - Performance Comparison

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

Returns By Period

In the year-to-date period, MSTZ achieves a -36.91% return, which is significantly lower than MSTY's -30.81% return.

MSTZ

• 1D: -6.16%
• 1M: -2.61%
• 6M: -44.51%
• YTD: -36.91%
• 1Y: 167.49%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -87.10%

MSTY

• 1D: 2.56%
• 1M: 0.99%
• 6M: -21.95%
• YTD: -30.81%
• 1Y: -68.96%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 9.10%

*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)
MSTY YieldMax™ MSTR Option Income Strategy ETF	$12.99M	$13.22M	$27.42M
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	$97.62M	$122.56M	$177.90M

MSTZ vs. MSTY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-36.91%	-38.95%	-94.43%
MSTY YieldMax™ MSTR Option Income Strategy ETF	-30.81%	-42.71%	80.63%

Correlation

The correlation between MSTZ and MSTY is -0.99, 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.	-0.99
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	-0.99

The correlation between MSTZ and MSTY has been stable across timeframes, ranging from -0.99 to -0.99 - a consistent structural relationship.

Return for Risk

MSTZ vs. MSTY — Risk / Return Rank

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

MSTZ

MSTZ Risk / Return Rank: 45
MSTZ Sharpe Ratio Rank: 40
MSTZ Sortino Ratio Rank: 52
MSTZ Omega Ratio Rank: 52
MSTZ Calmar Ratio Rank: 49
MSTZ Martin Ratio Rank: 34

MSTY

MSTY Risk / Return Rank: 1
MSTY Sharpe Ratio Rank: 1
MSTY Sortino Ratio Rank: 0
MSTY Omega Ratio Rank: 1
MSTY Calmar Ratio Rank: 1
MSTY Martin Ratio Rank: 2

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.

MSTZ vs. MSTY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) and YieldMax™ MSTR Option Income Strategy ETF (MSTY). 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.

	MSTZ	MSTY	Difference
Sharpe ratio: Return per unit of total volatility	1.13	-1.07	+2.20
Sortino ratio: Return per unit of downside risk	2.08	-2.03	+4.11
Omega ratio: Gain probability vs. loss probability	1.27	0.78	+0.48
Calmar ratio: Return relative to maximum drawdown	1.99	-0.92	+2.91
Martin ratio: Return relative to average drawdown	3.67	-1.35	+5.01

MSTZ vs. MSTY - Sharpe Ratio Comparison

The current MSTZ Sharpe Ratio is 1.13, which is higher than the MSTY Sharpe Ratio of -1.07. The chart below compares the historical Sharpe Ratios of MSTZ and MSTY, 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

MSTZ vs. MSTY - Drawdown Comparison

The maximum MSTZ drawdown since its inception was -99.38%, which is greater than MSTY's maximum drawdown of -77.40%. Use the drawdown chart below to compare losses from any high point for MSTZ and MSTY.

Drawdown Indicators

	MSTZ	MSTY	Difference
Max Drawdown Largest peak-to-trough decline	-99.38%	-77.40%	-21.98%
Max Drawdown (1Y) Largest decline over 1 year	-84.89%	-74.91%	-9.98%
Current Drawdown Current decline from peak	-97.85%	-72.80%	-25.05%
Average Drawdown Average peak-to-trough decline	-94.64%	-29.19%	-65.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	45.88%	51.14%	-5.26%

Volatility

MSTZ vs. MSTY - Volatility Comparison

T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a higher volatility of 34.21% compared to YieldMax™ MSTR Option Income Strategy ETF (MSTY) at 13.50%. This indicates that MSTZ's price experiences larger fluctuations and is considered to be riskier than MSTY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSTZ	MSTY	Difference
Volatility (1M) Calculated over the trailing 1-month period	34.21%	13.50%	+20.71%
Volatility (6M) Calculated over the trailing 6-month period	133.75%	51.91%	+81.84%
Volatility (1Y) Calculated over the trailing 1-year period	149.38%	64.87%	+84.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	169.58%	71.81%	+97.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	169.58%	71.81%	+97.77%

MSTZ vs. MSTY - Expense Ratio Comparison

MSTZ has a 1.05% expense ratio, which is higher than MSTY's 0.99% expense ratio.

Dividends

MSTZ vs. MSTY - Dividend Comparison

MSTZ has not paid dividends to shareholders, while MSTY's dividend yield for the trailing twelve months is around 242.52%.

Position	TTM	2025	2024
MSTY YieldMax™ MSTR Option Income Strategy ETF	242.52%	294.61%	104.56%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MSTZ and MSTY in my portfolio?

MSTZ and MSTY have a correlation of -0.99, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MSTZ or MSTY?

MSTZ has higher volatility (34.21%) compared to MSTY (13.50%). In terms of maximum drawdown, MSTZ dropped -99.38% vs MSTY's -77.40%.

Which ETF is better, MSTZ or MSTY?

On 1-year performance, MSTZ leads with 167.49% vs -68.96% for MSTY. On fees, MSTY is cheaper at 0.99% per year. On volatility, MSTY has been the lower-risk option at 13.50%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MSTZ or MSTY?

Over the 1-year period, MSTZ has performed better with a 167.49% return vs -68.96%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MSTZ or MSTY?

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

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

MSTY has the higher dividend yield at 242.52%, compared with 0.00% for MSTZ.

What is the main difference between MSTZ and MSTY?

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

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.13 vs -1.07), 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.