DECU vs. MSTZ

Last updated Jul 14, 2026

DECU (AllianzIM U.S. Equity Buffer15 Uncapped Dec ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - DECU is a Defined Outcome fund actively managed by AllianzIM, while MSTZ is a Inverse Equities fund actively managed by REX. Both are actively managed. Over the past year, DECU returned 14.31% vs 282.56% for MSTZ. At a correlation of -0.47, they often move in opposite directions. DECU charges 0.74%/yr vs 1.05%/yr for MSTZ.

Performance

DECU vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AllianzIM U.S. Equity Buffer15 Uncapped Dec ETF (DECU) 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, DECU achieves a 6.80% return, which is significantly higher than MSTZ's -23.27% return.

DECU

• 1D: -0.63%
• 1M: 0.70%
• 6M: 5.34%
• YTD: 6.80%
• 1Y: 14.31%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: 5.07%
• 1M: 46.38%
• 6M: -9.68%
• YTD: -23.27%
• 1Y: 282.56%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

DECU vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
DECU AllianzIM U.S. Equity Buffer15 Uncapped Dec ETF	6.80%	11.52%	-2.03%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-23.27%	-38.95%	36.36%

Correlation

The correlation between DECU and MSTZ is -0.46, 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	-0.46
Correlation (All Time) Calculated using the full available price history since Dec 2, 2024	-0.47

Return for Risk

DECU vs. MSTZ — Risk / Return Rank

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

DECU

DECU Risk / Return Rank: 57
DECU Sharpe Ratio Rank: 55
DECU Sortino Ratio Rank: 53
DECU Omega Ratio Rank: 53
DECU Calmar Ratio Rank: 64
DECU Martin Ratio Rank: 61

MSTZ

MSTZ Risk / Return Rank: 68
MSTZ Sharpe Ratio Rank: 76
MSTZ Sortino Ratio Rank: 67
MSTZ Omega Ratio Rank: 68
MSTZ Calmar Ratio Rank: 80
MSTZ Martin Ratio Rank: 49

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.

DECU vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AllianzIM U.S. Equity Buffer15 Uncapped Dec ETF (DECU) 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.

	DECU	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	1.49	1.92	-0.43
Sortino ratio: Return per unit of downside risk	2.08	2.45	-0.37
Omega ratio: Gain probability vs. loss probability	1.27	1.32	-0.05
Calmar ratio: Return relative to maximum drawdown	2.54	3.35	-0.81
Martin ratio: Return relative to average drawdown	8.64	6.53	+2.12

DECU vs. MSTZ - Sharpe Ratio Comparison

The current DECU Sharpe Ratio is 1.49, which is comparable to the MSTZ Sharpe Ratio of 1.92. The chart below compares the historical Sharpe Ratios of DECU 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

DECU vs. MSTZ - Drawdown Comparison

The maximum DECU drawdown since its inception was -10.66%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for DECU and MSTZ.

Drawdown Indicators

	DECU	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-10.66%	-99.38%	+88.72%
Max Drawdown (1Y) Largest decline over 1 year	-5.65%	-84.89%	+79.24%
Current Drawdown Current decline from peak	-1.34%	-97.39%	+96.05%
Average Drawdown Average peak-to-trough decline	-1.73%	-94.53%	+92.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.66%	43.51%	-41.85%

Volatility

DECU vs. MSTZ - Volatility Comparison

The current volatility for AllianzIM U.S. Equity Buffer15 Uncapped Dec ETF (DECU) is 3.73%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 56.56%. This indicates that DECU 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

	DECU	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.73%	56.56%	-52.83%
Volatility (6M) Calculated over the trailing 6-month period	7.33%	135.11%	-127.78%
Volatility (1Y) Calculated over the trailing 1-year period	9.67%	148.53%	-138.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.80%	171.02%	-160.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.80%	171.02%	-160.22%

DECU vs. MSTZ - Expense Ratio Comparison

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

Dividends

DECU vs. MSTZ - Dividend Comparison

Neither DECU nor MSTZ has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both DECU and MSTZ in my portfolio?

DECU 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, DECU or MSTZ?

MSTZ has higher volatility (56.56%) compared to DECU (3.73%). In terms of maximum drawdown, DECU dropped -10.66% vs MSTZ's -99.38%.

Which ETF is better, DECU or MSTZ?

On 1-year performance, MSTZ leads with 282.56% vs 14.31% for DECU. On fees, DECU is cheaper at 0.74% per year. On volatility, DECU has been the lower-risk option at 3.73%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DECU or MSTZ?

Over the 1-year period, MSTZ has performed better with a 282.56% return vs 14.31%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DECU or MSTZ?

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

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

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

What is the main difference between DECU and MSTZ?

DECU is categorized as Defined Outcome, while MSTZ is Inverse Equities. They also come from different issuers: AllianzIM and REX. Their fees differ too: 0.74% for DECU and 1.05% for MSTZ.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.92 vs 1.49), 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.