MSTZ vs. WNTR

Last updated Apr 1, 2026

Compare and contrast key facts about T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) and YieldMax Short MSTR Option Income Strategy ETF (WNTR).

MSTZ and WNTR are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MSTZ is an actively managed fund by REX. It was launched on Sep 17, 2024. WNTR is an actively managed fund by YieldMax. It was launched on Mar 26, 2025.

Performance

MSTZ vs. WNTR - 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 Short MSTR Option Income Strategy ETF (WNTR). The values are adjusted to include any dividend payments, if applicable.

MSTZ vs. WNTR - Yearly Performance Comparison

	2026 (YTD)	2025
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-27.23%	49.26%
WNTR YieldMax Short MSTR Option Income Strategy ETF	6.27%	54.43%

Returns By Period

In the year-to-date period, MSTZ achieves a -27.23% return, which is significantly lower than WNTR's 6.27% return.

MSTZ

• 1D: -5.53%
• 1M: -4.07%
• YTD: -27.23%
• 6M: 137.26%
• 1Y: -11.05%
• 3Y*: —
• 5Y*: —
• 10Y*: —

WNTR

• 1D: -1.97%
• 1M: 1.75%
• YTD: 6.27%
• 6M: 79.41%
• 1Y: 54.72%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MSTZ vs. WNTR - Expense Ratio Comparison

MSTZ has a 1.05% expense ratio, which is higher than WNTR's 1.01% expense ratio.

MSTZ

T-REX 2X Inverse MSTR Daily Target ETF

WNTR

YieldMax Short MSTR Option Income Strategy ETF

Return for Risk

MSTZ vs. WNTR — Risk / Return Rank

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

MSTZ

MSTZ Risk / Return Rank: 20
MSTZ Sharpe Ratio Rank: 10
MSTZ Sortino Ratio Rank: 36
MSTZ Omega Ratio Rank: 35
MSTZ Calmar Ratio Rank: 10
MSTZ Martin Ratio Rank: 11

WNTR

WNTR Risk / Return Rank: 55
WNTR Sharpe Ratio Rank: 63
WNTR Sortino Ratio Rank: 63
WNTR Omega Ratio Rank: 60
WNTR Calmar Ratio Rank: 60
WNTR Martin Ratio Rank: 30

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. WNTR - 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 Short MSTR Option Income Strategy ETF (WNTR). 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.

	MSTZ	WNTR	Difference
Sharpe ratio Return per unit of total volatility	-0.08	1.06	-1.14
Sortino ratio Return per unit of downside risk	1.02	1.55	-0.53
Omega ratio Gain probability vs. loss probability	1.14	1.21	-0.08
Calmar ratio Return relative to maximum drawdown	-0.12	1.42	-1.54
Martin ratio Return relative to average drawdown	-0.17	2.42	-2.59
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MSTZ vs. WNTR - Sharpe Ratio Comparison

The current MSTZ Sharpe Ratio is -0.08, which is lower than the WNTR Sharpe Ratio of 1.06. The chart below compares the historical Sharpe Ratios of MSTZ and WNTR, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MSTZ	WNTR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.08	1.06	-1.14
Sharpe Ratio (All Time) Calculated using the full available price history	-0.53	1.23	-1.76

Correlation

The correlation between MSTZ and WNTR is 0.97, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MSTZ vs. WNTR - Dividend Comparison

MSTZ has not paid dividends to shareholders, while WNTR's dividend yield for the trailing twelve months is around 88.37%.

	TTM	2025
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%
WNTR YieldMax Short MSTR Option Income Strategy ETF	88.37%	58.56%

Drawdowns

MSTZ vs. WNTR - Drawdown Comparison

The maximum MSTZ drawdown since its inception was -99.36%, which is greater than WNTR's maximum drawdown of -38.59%. Use the drawdown chart below to compare losses from any high point for MSTZ and WNTR.

Drawdown Indicators

	MSTZ	WNTR	Difference
Max Drawdown Largest peak-to-trough decline	-99.36%	-38.59%	-60.77%
Max Drawdown (1Y) Largest decline over 1 year	-83.20%	-38.59%	-44.61%
Current Drawdown Current decline from peak	-97.45%	-13.30%	-84.15%
Average Drawdown Average peak-to-trough decline	-93.91%	-19.16%	-74.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	61.32%	22.60%	+38.72%

Volatility

MSTZ vs. WNTR - Volatility Comparison

T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a higher volatility of 38.43% compared to YieldMax Short MSTR Option Income Strategy ETF (WNTR) at 15.22%. This indicates that MSTZ's price experiences larger fluctuations and is considered to be riskier than WNTR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSTZ	WNTR	Difference
Volatility (1M) Calculated over the trailing 1-month period	38.43%	15.22%	+23.21%
Volatility (6M) Calculated over the trailing 6-month period	122.48%	41.38%	+81.10%
Volatility (1Y) Calculated over the trailing 1-year period	147.15%	51.65%	+95.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	173.11%	51.88%	+121.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	173.11%	51.88%	+121.23%