MSTZ vs. SARK

Last updated Aug 5, 2026

MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) and SARK (Tradr Short Innovation Daily ETF) are both Inverse Equities funds. Both are actively managed. Over the past year, MSTZ returned 167.49% vs -14.81% for SARK. Their 0.61 correlation means they have sometimes moved together and sometimes differently. MSTZ charges 1.05%/yr vs 0.75%/yr for SARK.

Performance

MSTZ vs. SARK - 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 Tradr Short Innovation Daily ETF (SARK). 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 SARK's -7.36% return.

MSTZ

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

SARK

• 1D: -4.39%
• 1M: 4.63%
• 6M: -11.06%
• YTD: -7.36%
• 1Y: -14.81%
• 3Y*: -28.52%
• 5Y*: —
• 10Y*: —
• ALL TIME*: -12.60%

*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)
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	$97.62M	$122.56M	$177.90M
SARK Tradr Short Innovation Daily ETF	$5.02M	$4.74M	$6.36M

MSTZ vs. SARK - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-36.91%	-38.95%	-94.43%
SARK Tradr Short Innovation Daily ETF	-7.36%	-25.93%	-40.97%

Correlation

The correlation between MSTZ and SARK is 0.67, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.67
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	0.61

The correlation between MSTZ and SARK has been stable across timeframes, ranging from 0.61 to 0.67 - a consistent structural relationship.

Return for Risk

MSTZ vs. SARK — 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

SARK

SARK Risk / Return Rank: 5
SARK Sharpe Ratio Rank: 6
SARK Sortino Ratio Rank: 6
SARK Omega Ratio Rank: 6
SARK Calmar Ratio Rank: 5
SARK Martin Ratio Rank: 4

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. SARK - 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 Tradr Short Innovation Daily ETF (SARK). 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	SARK	Difference
Sharpe ratio: Return per unit of total volatility	1.13	-0.41	+1.54
Sortino ratio: Return per unit of downside risk	2.08	-0.36	+2.44
Omega ratio: Gain probability vs. loss probability	1.27	0.96	+0.31
Calmar ratio: Return relative to maximum drawdown	1.99	-0.56	+2.55
Martin ratio: Return relative to average drawdown	3.67	-1.00	+4.67

MSTZ vs. SARK - Sharpe Ratio Comparison

The current MSTZ Sharpe Ratio is 1.13, which is higher than the SARK Sharpe Ratio of -0.41. The chart below compares the historical Sharpe Ratios of MSTZ and SARK, 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. SARK - Drawdown Comparison

The maximum MSTZ drawdown since its inception was -99.38%, which is greater than SARK's maximum drawdown of -81.07%. Use the drawdown chart below to compare losses from any high point for MSTZ and SARK.

Drawdown Indicators

	MSTZ	SARK	Difference
Max Drawdown Largest peak-to-trough decline	-99.38%	-81.07%	-18.31%
Max Drawdown (1Y) Largest decline over 1 year	-84.89%	-26.34%	-58.55%
Max Drawdown (3Y) Largest decline over 3 years	—	-74.42%	—
Current Drawdown Current decline from peak	-97.85%	-79.55%	-18.30%
Average Drawdown Average peak-to-trough decline	-94.64%	-47.59%	-47.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	45.88%	14.77%	+31.11%

Volatility

MSTZ vs. SARK - Volatility Comparison

T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a higher volatility of 34.21% compared to Tradr Short Innovation Daily ETF (SARK) at 11.78%. This indicates that MSTZ's price experiences larger fluctuations and is considered to be riskier than SARK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSTZ	SARK	Difference
Volatility (1M) Calculated over the trailing 1-month period	34.21%	11.78%	+22.43%
Volatility (6M) Calculated over the trailing 6-month period	133.75%	28.06%	+105.69%
Volatility (1Y) Calculated over the trailing 1-year period	149.38%	36.50%	+112.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	169.58%	55.76%	+113.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	169.58%	55.76%	+113.82%

MSTZ vs. SARK - Expense Ratio Comparison

MSTZ has a 1.05% expense ratio, which is higher than SARK's 0.75% expense ratio.

Dividends

MSTZ vs. SARK - Dividend Comparison

MSTZ has not paid dividends to shareholders, while SARK's dividend yield for the trailing twelve months is around 3.04%.

Position	TTM	2025	2024	2023	2022
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%	0.00%	0.00%
SARK Tradr Short Innovation Daily ETF	3.04%	2.82%	15.49%	12.57%	25.22%

Frequently Asked Questions

Can I hold both MSTZ and SARK in my portfolio?

MSTZ and SARK have a correlation of 0.67, 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 SARK?

MSTZ has higher volatility (34.21%) compared to SARK (11.78%). In terms of maximum drawdown, MSTZ dropped -99.38% vs SARK's -81.07%.

Which ETF is better, MSTZ or SARK?

On 1-year performance, MSTZ leads with 167.49% vs -14.81% for SARK. On fees, SARK is cheaper at 0.75% per year. On volatility, SARK has been the lower-risk option at 11.78%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MSTZ or SARK?

Over the 1-year period, MSTZ has performed better with a 167.49% return vs -14.81%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MSTZ or SARK?

SARK is cheaper with a 0.75% expense ratio, compared with 1.05% for MSTZ.

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

SARK has the higher dividend yield at 3.04%, compared with 0.00% for MSTZ.

What is the main difference between MSTZ and SARK?

They also come from different issuers: REX and AXS. Their fees differ too: 1.05% for MSTZ and 0.75% for SARK.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.13 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.