MST vs. ACYS

Last updated Jul 14, 2026

MST (Defiance Leveraged Long Income MSTR ETF) and ACYS (FT Vest Laddered Autocallable Barrier & Resilient Income ETF) are both Derivative Income funds. Both are actively managed. At a 0.34 correlation, their price movements are largely independent. MST charges 1.31%/yr vs 0.75%/yr for ACYS.

Performance

MST vs. ACYS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Defiance Leveraged Long Income MSTR ETF (MST) and FT Vest Laddered Autocallable Barrier & Resilient Income ETF (ACYS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MST

• 1D: -4.63%
• 1M: -47.34%
• 6M: -76.65%
• YTD: -74.03%
• 1Y: -97.01%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ACYS

• 1D: 0.20%
• 1M: 0.70%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MST vs. ACYS - Yearly Performance Comparison

	2026 (YTD)
MST Defiance Leveraged Long Income MSTR ETF	-75.95%
ACYS FT Vest Laddered Autocallable Barrier & Resilient Income ETF	2.00%

Correlation

The correlation between MST and ACYS is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Apr 23, 2026	0.34

Return for Risk

MST vs. ACYS — Risk / Return Rank

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

MST

MST Risk / Return Rank: 1
MST Sharpe Ratio Rank: 3
MST Sortino Ratio Rank: 0
MST Omega Ratio Rank: 0
MST Calmar Ratio Rank: 0
MST Martin Ratio Rank: 3

ACYS

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

MST vs. ACYS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Defiance Leveraged Long Income MSTR ETF (MST) and FT Vest Laddered Autocallable Barrier & Resilient Income ETF (ACYS). 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.

	MST	ACYS	Difference
Sharpe ratio: Return per unit of total volatility	-0.72	—	—
Sortino ratio: Return per unit of downside risk	-2.63	—	—
Omega ratio: Gain probability vs. loss probability	0.73	—	—
Calmar ratio: Return relative to maximum drawdown	-0.99	—	—
Martin ratio: Return relative to average drawdown	-1.23	—	—

Drawdowns

MST vs. ACYS - Drawdown Comparison

The maximum MST drawdown since its inception was -97.68%, which is greater than ACYS's maximum drawdown of -0.63%. Use the drawdown chart below to compare losses from any high point for MST and ACYS.

Drawdown Indicators

	MST	ACYS	Difference
Max Drawdown Largest peak-to-trough decline	-97.68%	-0.63%	-97.05%
Max Drawdown (1Y) Largest decline over 1 year	-97.68%	—	—
Current Drawdown Current decline from peak	-97.23%	-0.24%	-96.99%
Average Drawdown Average peak-to-trough decline	-64.96%	-0.14%	-64.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	78.62%	—	—

Volatility

Volatility by Period

	MST	ACYS	Difference
Volatility (1M) Calculated over the trailing 1-month period	49.06%	—	—
Volatility (6M) Calculated over the trailing 6-month period	110.36%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	134.35%	3.45%	+130.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	127.68%	3.45%	+124.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	127.68%	3.45%	+124.23%

MST vs. ACYS - Expense Ratio Comparison

MST has a 1.31% expense ratio, which is higher than ACYS's 0.75% expense ratio.

Dividends

MST vs. ACYS - Dividend Comparison

MST's dividend yield for the trailing twelve months is around 1,341.56%, more than ACYS's 0.60% yield.

Position	TTM	2025
ACYS FT Vest Laddered Autocallable Barrier & Resilient Income ETF	0.60%	0.00%
MST Defiance Leveraged Long Income MSTR ETF	1,341.56%	381.22%

Frequently Asked Questions

Can I hold both MST and ACYS in my portfolio?

MST and ACYS have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MST or ACYS?

On fees, ACYS is cheaper at 0.75% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MST or ACYS?

ACYS is cheaper with a 0.75% expense ratio, compared with 1.31% for MST.

Which ETF pays a higher dividend yield, MST or ACYS?

MST has the higher dividend yield at 1341.56%, compared with 0.60% for ACYS.

What is the main difference between MST and ACYS?

They also come from different issuers: Defiance and First Trust. Their fees differ too: 1.31% for MST and 0.75% for ACYS.