DDEC vs. GMAY

Last updated Apr 2, 2026

Compare and contrast key facts about FT Vest U.S. Equity Deep Buffer ETF - December (DDEC) and FT Cboe Vest U.S. Equity Moderate Buffer ETF - May (GMAY).

DDEC and GMAY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. DDEC is a passively managed fund by FT Vest that tracks the performance of the S&P 500. It was launched on Dec 18, 2020. GMAY is an actively managed fund by FT Vest. It was launched on May 19, 2023.

Performance

DDEC vs. GMAY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Vest U.S. Equity Deep Buffer ETF - December (DDEC) and FT Cboe Vest U.S. Equity Moderate Buffer ETF - May (GMAY). The values are adjusted to include any dividend payments, if applicable.

DDEC vs. GMAY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
DDEC FT Vest U.S. Equity Deep Buffer ETF - December	-1.64%	12.33%	12.26%	9.72%
GMAY FT Cboe Vest U.S. Equity Moderate Buffer ETF - May	0.00%	11.94%	12.12%	8.88%

Returns By Period

DDEC

• 1D: 0.16%
• 1M: -1.99%
• YTD: -1.64%
• 6M: 1.28%
• 1Y: 13.05%
• 3Y*: 11.50%
• 5Y*: 7.23%
• 10Y*: —

GMAY

• 1D: 0.57%
• 1M: -0.80%
• YTD: 0.00%
• 6M: 1.89%
• 1Y: 13.63%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

DDEC vs. GMAY - Expense Ratio Comparison

Both DDEC and GMAY have an expense ratio of 0.85%.

DDEC

FT Vest U.S. Equity Deep Buffer ETF - December

GMAY

FT Cboe Vest U.S. Equity Moderate Buffer ETF - May

Return for Risk

DDEC vs. GMAY — Risk / Return Rank

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

DDEC

DDEC Risk / Return Rank: 82
DDEC Sharpe Ratio Rank: 78
DDEC Sortino Ratio Rank: 81
DDEC Omega Ratio Rank: 84
DDEC Calmar Ratio Rank: 80
DDEC Martin Ratio Rank: 87

GMAY

GMAY Risk / Return Rank: 74
GMAY Sharpe Ratio Rank: 70
GMAY Sortino Ratio Rank: 74
GMAY Omega Ratio Rank: 86
GMAY Calmar Ratio Rank: 56
GMAY Martin Ratio Rank: 83

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.

DDEC vs. GMAY - Risk-Adjusted Trends Comparison

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

	DDEC	GMAY	Difference
Sharpe ratio Return per unit of total volatility	1.52	1.31	+0.21
Sortino ratio Return per unit of downside risk	2.21	1.98	+0.23
Omega ratio Gain probability vs. loss probability	1.34	1.36	-0.02
Calmar ratio Return relative to maximum drawdown	2.44	1.62	+0.82
Martin ratio Return relative to average drawdown	11.53	10.49	+1.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DDEC vs. GMAY - Sharpe Ratio Comparison

The current DDEC Sharpe Ratio is 1.52, which is comparable to the GMAY Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of DDEC and GMAY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	DDEC	GMAY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.52	1.31	+0.21
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.04	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.09	1.45	-0.36

Correlation

The correlation between DDEC and GMAY is 0.85, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

DDEC vs. GMAY - Dividend Comparison

Neither DDEC nor GMAY has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

DDEC vs. GMAY - Drawdown Comparison

The maximum DDEC drawdown since its inception was -10.22%, smaller than the maximum GMAY drawdown of -11.75%. Use the drawdown chart below to compare losses from any high point for DDEC and GMAY.

Drawdown Indicators

	DDEC	GMAY	Difference
Max Drawdown Largest peak-to-trough decline	-10.22%	-11.75%	+1.53%
Max Drawdown (1Y) Largest decline over 1 year	-5.46%	-8.58%	+3.12%
Max Drawdown (5Y) Largest decline over 5 years	-10.22%	—	—
Current Drawdown Current decline from peak	-2.53%	-1.16%	-1.37%
Average Drawdown Average peak-to-trough decline	-1.92%	-0.76%	-1.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.15%	1.32%	-0.17%

Volatility

DDEC vs. GMAY - Volatility Comparison

FT Vest U.S. Equity Deep Buffer ETF - December (DDEC) has a higher volatility of 2.85% compared to FT Cboe Vest U.S. Equity Moderate Buffer ETF - May (GMAY) at 2.70%. This indicates that DDEC's price experiences larger fluctuations and is considered to be riskier than GMAY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DDEC	GMAY	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.85%	2.70%	+0.15%
Volatility (6M) Calculated over the trailing 6-month period	4.55%	3.80%	+0.75%
Volatility (1Y) Calculated over the trailing 1-year period	8.63%	10.44%	-1.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.99%	8.00%	-1.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.92%	8.00%	-1.08%