FEBT vs. MSTZ

Last updated Aug 2, 2026

FEBT (Allianzim U.S. Large Cap Buffer10 Feb ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - FEBT is a Options Trading fund actively managed by Allianz, while MSTZ is a Inverse Equities fund actively managed by REX. Both are actively managed. Over the past year, FEBT returned 17.21% vs 159.07% for MSTZ. Their -0.42 correlation means they have often moved in opposite directions in the past. FEBT charges 0.74%/yr vs 1.05%/yr for MSTZ.

Performance

FEBT vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allianzim U.S. Large Cap Buffer10 Feb ETF (FEBT) 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, FEBT achieves a 8.57% return, which is significantly higher than MSTZ's -30.44% return.

FEBT

• 1D: 0.55%
• 1M: 0.73%
• 6M: 6.29%
• YTD: 8.57%
• 1Y: 17.21%
• 3Y*: 14.72%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 15.56%

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)
FEBT Allianzim U.S. Large Cap Buffer10 Feb ETF	$342.73K	$323.88K	$521.88K
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	$101.73M	$133.33M	$177.41M

FEBT vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
FEBT Allianzim U.S. Large Cap Buffer10 Feb ETF	8.57%	12.72%	3.47%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-30.44%	-38.95%	-94.43%

Correlation

The correlation between FEBT and MSTZ is -0.46, 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.	-0.46
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	-0.42

Return for Risk

FEBT vs. MSTZ — Risk / Return Rank

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

FEBT

FEBT Risk / Return Rank: 84
FEBT Sharpe Ratio Rank: 85
FEBT Sortino Ratio Rank: 86
FEBT Omega Ratio Rank: 86
FEBT Calmar Ratio Rank: 75
FEBT Martin Ratio Rank: 87

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.

FEBT vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allianzim U.S. Large Cap Buffer10 Feb ETF (FEBT) 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.

	FEBT	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	2.00	1.38	+0.62
Sortino ratio: Return per unit of downside risk	2.88	2.22	+0.67
Omega ratio: Gain probability vs. loss probability	1.37	1.28	+0.09
Calmar ratio: Return relative to maximum drawdown	2.66	2.44	+0.22
Martin ratio: Return relative to average drawdown	13.05	4.53	+8.52

FEBT vs. MSTZ - Sharpe Ratio Comparison

The current FEBT Sharpe Ratio is 2.00, which is higher than the MSTZ Sharpe Ratio of 1.38. The chart below compares the historical Sharpe Ratios of FEBT 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

FEBT vs. MSTZ - Drawdown Comparison

The maximum FEBT drawdown since its inception was -13.19%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for FEBT and MSTZ.

Drawdown Indicators

	FEBT	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-13.19%	-99.38%	+86.19%
Max Drawdown (1Y) Largest decline over 1 year	-6.04%	-84.89%	+78.85%
Max Drawdown (3Y) Largest decline over 3 years	-13.19%	—	—
Current Drawdown Current decline from peak	-0.14%	-97.63%	+97.49%
Average Drawdown Average peak-to-trough decline	-1.16%	-94.63%	+93.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.23%	45.62%	-44.39%

Volatility

FEBT vs. MSTZ - Volatility Comparison

The current volatility for Allianzim U.S. Large Cap Buffer10 Feb ETF (FEBT) is 2.22%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 37.86%. This indicates that FEBT 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

	FEBT	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.22%	37.86%	-35.64%
Volatility (6M) Calculated over the trailing 6-month period	6.46%	134.52%	-128.06%
Volatility (1Y) Calculated over the trailing 1-year period	8.04%	150.23%	-142.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.70%	169.87%	-160.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.70%	169.87%	-160.17%

FEBT vs. MSTZ - Expense Ratio Comparison

FEBT has a 0.74% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

FEBT vs. MSTZ - Dividend Comparison

Neither FEBT nor MSTZ has paid dividends to shareholders.

Position	TTM	2025	2024
FEBT Allianzim U.S. Large Cap Buffer10 Feb ETF	0.00%	0.00%	0.28%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FEBT and MSTZ in my portfolio?

FEBT and MSTZ have a correlation of -0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FEBT or MSTZ?

MSTZ has higher volatility (37.86%) compared to FEBT (2.22%). In terms of maximum drawdown, FEBT dropped -13.19% vs MSTZ's -99.38%.

Which ETF is better, FEBT or MSTZ?

On 1-year performance, MSTZ leads with 159.07% vs 17.21% for FEBT. On fees, FEBT is cheaper at 0.74% per year. On volatility, FEBT has been the lower-risk option at 2.22%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FEBT or MSTZ?

Over the 1-year period, MSTZ has performed better with a 159.07% return vs 17.21%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FEBT or MSTZ?

FEBT is cheaper with a 0.74% expense ratio, compared with 1.05% for MSTZ.

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

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

What is the main difference between FEBT and MSTZ?

FEBT is categorized as Options Trading, while MSTZ is Inverse Equities. They also come from different issuers: Allianz and REX. Their fees differ too: 0.74% for FEBT and 1.05% for MSTZ.

Which has better risk-adjusted returns?

FEBT currently has the higher Sharpe Ratio (2.00 vs 1.38), 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.