DMAY vs. MSTZ

Last updated Jul 14, 2026

DMAY (FT Cboe Vest U.S. Equity Deep Buffer ETF - May) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - DMAY is a Defined Outcome fund tracking the Cboe S&P 500 30% (-5% to -35%) Buffer Protect May Series Index, while MSTZ is a Inverse Equities fund actively managed by REX. DMAY is passively managed, while MSTZ is actively managed. Over the past year, DMAY returned 9.79% vs 282.56% for MSTZ. At a correlation of -0.43, they often move in opposite directions. DMAY charges 0.85%/yr vs 1.05%/yr for MSTZ.

Performance

DMAY vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Cboe Vest U.S. Equity Deep Buffer ETF - May (DMAY) 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, DMAY achieves a 4.38% return, which is significantly higher than MSTZ's -23.27% return.

DMAY

• 1D: -0.31%
• 1M: 0.72%
• 6M: 3.83%
• YTD: 4.38%
• 1Y: 9.79%
• 3Y*: 11.02%
• 5Y*: 6.88%
• 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)

DMAY vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
DMAY FT Cboe Vest U.S. Equity Deep Buffer ETF - May	4.38%	11.05%	3.16%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-23.27%	-38.95%	-94.43%

Correlation

The correlation between DMAY and MSTZ is -0.47, 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	-0.47
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	-0.43

Return for Risk

DMAY vs. MSTZ — Risk / Return Rank

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

DMAY

DMAY Risk / Return Rank: 80
DMAY Sharpe Ratio Rank: 74
DMAY Sortino Ratio Rank: 80
DMAY Omega Ratio Rank: 85
DMAY Calmar Ratio Rank: 73
DMAY Martin Ratio Rank: 89

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.

DMAY vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Cboe Vest U.S. Equity Deep Buffer ETF - May (DMAY) 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.

	DMAY	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	1.89	1.92	-0.03
Sortino ratio: Return per unit of downside risk	2.81	2.45	+0.36
Omega ratio: Gain probability vs. loss probability	1.40	1.32	+0.09
Calmar ratio: Return relative to maximum drawdown	2.95	3.35	-0.41
Martin ratio: Return relative to average drawdown	15.47	6.53	+8.94

DMAY vs. MSTZ - Sharpe Ratio Comparison

The current DMAY Sharpe Ratio is 1.89, which is comparable to the MSTZ Sharpe Ratio of 1.92. The chart below compares the historical Sharpe Ratios of DMAY 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

DMAY vs. MSTZ - Drawdown Comparison

The maximum DMAY drawdown since its inception was -13.90%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for DMAY and MSTZ.

Drawdown Indicators

	DMAY	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-13.90%	-99.38%	+85.48%
Max Drawdown (1Y) Largest decline over 1 year	-3.36%	-84.89%	+81.53%
Max Drawdown (3Y) Largest decline over 3 years	-12.38%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-13.90%	—	—
Current Drawdown Current decline from peak	-0.34%	-97.39%	+97.05%
Average Drawdown Average peak-to-trough decline	-2.22%	-94.53%	+92.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.64%	43.51%	-42.87%

Volatility

DMAY vs. MSTZ - Volatility Comparison

The current volatility for FT Cboe Vest U.S. Equity Deep Buffer ETF - May (DMAY) is 2.32%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 56.56%. This indicates that DMAY 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

	DMAY	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.32%	56.56%	-54.24%
Volatility (6M) Calculated over the trailing 6-month period	4.56%	135.11%	-130.55%
Volatility (1Y) Calculated over the trailing 1-year period	5.26%	148.53%	-143.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.09%	171.02%	-161.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.42%	171.02%	-162.60%

DMAY vs. MSTZ - Expense Ratio Comparison

DMAY has a 0.85% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

DMAY vs. MSTZ - Dividend Comparison

Neither DMAY nor MSTZ has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both DMAY and MSTZ in my portfolio?

DMAY and MSTZ have a correlation of -0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DMAY or MSTZ?

MSTZ has higher volatility (56.56%) compared to DMAY (2.32%). In terms of maximum drawdown, DMAY dropped -13.90% vs MSTZ's -99.38%.

Which ETF is better, DMAY or MSTZ?

On 1-year performance, MSTZ leads with 282.56% vs 9.79% for DMAY. On fees, DMAY is cheaper at 0.85% per year. On volatility, DMAY has been the lower-risk option at 2.32%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DMAY or MSTZ?

Over the 1-year period, MSTZ has performed better with a 282.56% return vs 9.79%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DMAY or MSTZ?

DMAY is cheaper with a 0.85% expense ratio, compared with 1.05% for MSTZ.

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

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

What is the main difference between DMAY and MSTZ?

DMAY is categorized as Defined Outcome, while MSTZ is Inverse Equities. They also come from different issuers: First Trust and REX. Their fees differ too: 0.85% for DMAY and 1.05% for MSTZ.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.92 vs 1.89), 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.