GMAY vs. XDOC

Last updated Apr 1, 2026

Compare and contrast key facts about FT Cboe Vest U.S. Equity Moderate Buffer ETF - May (GMAY) and Innovator U.S. Equity Accelerated ETF - October (XDOC).

GMAY and XDOC are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. GMAY is an actively managed fund by FT Vest. It was launched on May 19, 2023. XDOC is an actively managed fund by Innovator. It was launched on Sep 30, 2021.

Performance

GMAY vs. XDOC - Performance Comparison

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

GMAY vs. XDOC - Yearly Performance Comparison

	2026 (YTD)
GMAY FT Cboe Vest U.S. Equity Moderate Buffer ETF - May	-1.35%
XDOC Innovator U.S. Equity Accelerated ETF - October	0.00%

Returns By Period

GMAY

• 1D: 1.43%
• 1M: -1.35%
• YTD: -0.56%
• 6M: 1.46%
• 1Y: 13.25%
• 3Y*: —
• 5Y*: —
• 10Y*: —

XDOC

• 1D: 0.00%
• 1M: 0.00%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

GMAY vs. XDOC - Expense Ratio Comparison

GMAY has a 0.85% expense ratio, which is higher than XDOC's 0.79% expense ratio.

GMAY

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

XDOC

Innovator U.S. Equity Accelerated ETF - October

Return for Risk

GMAY vs. XDOC — Risk / Return Rank

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

GMAY

GMAY Risk / Return Rank: 76
GMAY Sharpe Ratio Rank: 71
GMAY Sortino Ratio Rank: 75
GMAY Omega Ratio Rank: 87
GMAY Calmar Ratio Rank: 63
GMAY Martin Ratio Rank: 86

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.

GMAY vs. XDOC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Cboe Vest U.S. Equity Moderate Buffer ETF - May (GMAY) and Innovator U.S. Equity Accelerated ETF - October (XDOC). 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.

	GMAY	XDOC	Difference
Sharpe ratio Return per unit of total volatility	1.28	—	—
Sortino ratio Return per unit of downside risk	1.93	—	—
Omega ratio Gain probability vs. loss probability	1.36	—	—
Calmar ratio Return relative to maximum drawdown	1.63	—	—
Martin ratio Return relative to average drawdown	10.58	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	GMAY	XDOC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.28	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.42	—	—

Dividends

GMAY vs. XDOC - Dividend Comparison

Neither GMAY nor XDOC has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

GMAY vs. XDOC - Drawdown Comparison

The maximum GMAY drawdown since its inception was -11.75%, which is greater than XDOC's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for GMAY and XDOC.

Drawdown Indicators

	GMAY	XDOC	Difference
Max Drawdown Largest peak-to-trough decline	-11.75%	0.00%	-11.75%
Max Drawdown (1Y) Largest decline over 1 year	-8.58%	—	—
Current Drawdown Current decline from peak	-1.72%	0.00%	-1.72%
Average Drawdown Average peak-to-trough decline	-0.76%	0.00%	-0.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.32%	—	—

Volatility

Volatility by Period

	GMAY	XDOC	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.63%	—	—
Volatility (6M) Calculated over the trailing 6-month period	3.76%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	10.44%	0.00%	+10.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.00%	0.00%	+8.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.00%	0.00%	+8.00%