MSTZ vs. MSTU

Last updated Jun 23, 2026

MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) and MSTU (T-Rex 2X Long MSTR Daily Target ETF) are both exchange-traded funds - MSTZ is a Inverse Equities fund actively managed by REX, while MSTU is a Leveraged Equities fund actively managed by T-Rex. Both are actively managed. Over the past year, MSTZ returned 119.74% vs -96.32% for MSTU. At a correlation of -1.00, they often move in opposite directions. Both charge a 1.05% expense ratio.

Performance

MSTZ vs. MSTU - 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 T-Rex 2X Long MSTR Daily Target ETF (MSTU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MSTZ achieves a -35.10% return, which is significantly higher than MSTU's -67.51% return.

MSTZ

• 1D: 5.10%
• 1M: 83.66%
• YTD: -35.10%
• 6M: -24.64%
• 1Y: 119.74%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTU

• 1D: -5.59%
• 1M: -56.73%
• YTD: -67.51%
• 6M: -72.64%
• 1Y: -96.32%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MSTZ vs. MSTU - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-35.10%	-38.95%	-94.43%
MSTU T-Rex 2X Long MSTR Daily Target ETF	-67.51%	-89.07%	205.47%

Correlation

The correlation between MSTZ and MSTU is -1.00, 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	-1.00
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	-1.00

The correlation between MSTZ and MSTU has been stable across timeframes, ranging from -1.00 to -1.00 - a consistent structural relationship.

Return for Risk

MSTZ vs. MSTU — Risk / Return Rank

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

MSTZ

MSTZ Risk / Return Rank: 30
MSTZ Sharpe Ratio Rank: 24
MSTZ Sortino Ratio Rank: 37
MSTZ Omega Ratio Rank: 37
MSTZ Calmar Ratio Rank: 29
MSTZ Martin Ratio Rank: 23

MSTU

MSTU Risk / Return Rank: 2
MSTU Sharpe Ratio Rank: 4
MSTU Sortino Ratio Rank: 0
MSTU Omega Ratio Rank: 0
MSTU Calmar Ratio Rank: 0
MSTU Martin Ratio Rank: 3

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.

MSTZ vs. MSTU - 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 T-Rex 2X Long MSTR Daily Target ETF (MSTU). 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	MSTU	Difference
Sharpe ratio: Return per unit of total volatility	0.84	-0.68	+1.52
Sortino ratio: Return per unit of downside risk	1.89	-2.22	+4.11
Omega ratio: Gain probability vs. loss probability	1.24	0.77	+0.47
Calmar ratio: Return relative to maximum drawdown	1.42	-0.99	+2.41
Martin ratio: Return relative to average drawdown	2.81	-1.23	+4.05

MSTZ vs. MSTU - Sharpe Ratio Comparison

The current MSTZ Sharpe Ratio is 0.84, which is higher than the MSTU Sharpe Ratio of -0.68. The chart below compares the historical Sharpe Ratios of MSTZ and MSTU, 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. MSTU - Drawdown Comparison

The maximum MSTZ drawdown since its inception was -99.38%, roughly equal to the maximum MSTU drawdown of -98.95%. Use the drawdown chart below to compare losses from any high point for MSTZ and MSTU.

Drawdown Indicators

	MSTZ	MSTU	Difference
Max Drawdown Largest peak-to-trough decline	-99.38%	-98.95%	-0.43%
Max Drawdown (1Y) Largest decline over 1 year	-84.89%	-97.47%	+12.58%
Current Drawdown Current decline from peak	-97.79%	-98.95%	+1.16%
Average Drawdown Average peak-to-trough decline	-94.44%	-72.51%	-21.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	42.73%	78.06%	-35.33%

Volatility

MSTZ vs. MSTU - Volatility Comparison

T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) and T-Rex 2X Long MSTR Daily Target ETF (MSTU) have volatilities of 41.90% and 43.88%, 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

	MSTZ	MSTU	Difference
Volatility (1M) Calculated over the trailing 1-month period	41.90%	43.88%	-1.98%
Volatility (6M) Calculated over the trailing 6-month period	127.30%	113.60%	+13.70%
Volatility (1Y) Calculated over the trailing 1-year period	143.69%	141.98%	+1.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	169.83%	168.54%	+1.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	169.83%	168.54%	+1.29%

MSTZ vs. MSTU - Expense Ratio Comparison

Both MSTZ and MSTU have an expense ratio of 1.05%.

Dividends

MSTZ vs. MSTU - Dividend Comparison

Neither MSTZ nor MSTU has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both MSTZ and MSTU in my portfolio?

MSTZ and MSTU have a correlation of -1.00, 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 MSTU?

MSTU has higher volatility (43.88%) compared to MSTZ (41.90%). In terms of maximum drawdown, MSTZ dropped -99.38% vs MSTU's -98.95%.

Which ETF is better, MSTZ or MSTU?

On 1-year performance, MSTZ leads with 119.74% vs -96.32% for MSTU. Both ETFs have the same 1.05% expense ratio. On volatility, MSTZ has been the lower-risk option at 41.90%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MSTZ or MSTU?

Over the 1-year period, MSTZ has performed better with a 119.74% return vs -96.32%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MSTZ or MSTU?

MSTZ and MSTU have the same expense ratio: 1.05% per year.

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

MSTZ and MSTU have nearly identical dividend yields, around 0.00%.

What is the main difference between MSTZ and MSTU?

MSTZ is categorized as Inverse Equities, while MSTU is Leveraged Equities. They also come from different issuers: REX and T-Rex.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (0.84 vs -0.68), 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.