XDEC vs. PMMY

Last updated Jun 4, 2026

XDEC (FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December) and PMMY (PGIM S&P 500 Max Buffer ETF - May) are both Defined Outcome funds. XDEC is passively managed, while PMMY is actively managed. Over the past year, XDEC returned 12.16% vs 5.98% for PMMY. A 0.74 correlation means they provide meaningful diversification when combined. XDEC charges 0.85%/yr vs 0.50%/yr for PMMY.

Performance

XDEC vs. PMMY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December (XDEC) and PGIM S&P 500 Max Buffer ETF - May (PMMY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, XDEC achieves a 4.43% return, which is significantly higher than PMMY's 2.19% return.

XDEC

• 1D: -0.18%
• 1M: 1.62%
• YTD: 4.43%
• 6M: 4.96%
• 1Y: 12.16%
• 3Y*: 10.02%
• 5Y*: —
• 10Y*: —

PMMY

• 1D: -0.04%
• 1M: 0.79%
• YTD: 2.19%
• 6M: 2.74%
• 1Y: 5.98%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

XDEC vs. PMMY - Yearly Performance Comparison

	2026 (YTD)	2025
XDEC FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December	4.43%	11.26%
PMMY PGIM S&P 500 Max Buffer ETF - May	2.19%	4.59%

Correlation

The correlation between XDEC and PMMY is 0.75, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.75
Correlation (All Time) Calculated using the full available price history since May 2, 2025	0.74

The correlation between XDEC and PMMY has been stable across timeframes, ranging from 0.74 to 0.75 - a consistent structural relationship.

Return for Risk

XDEC vs. PMMY — Risk / Return Rank

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

XDEC

XDEC Risk / Return Rank: 81
XDEC Sharpe Ratio Rank: 80
XDEC Sortino Ratio Rank: 86
XDEC Omega Ratio Rank: 90
XDEC Calmar Ratio Rank: 64
XDEC Martin Ratio Rank: 86

PMMY

PMMY Risk / Return Rank: 98
PMMY Sharpe Ratio Rank: 98
PMMY Sortino Ratio Rank: 99
PMMY Omega Ratio Rank: 99
PMMY Calmar Ratio Rank: 98
PMMY Martin Ratio Rank: 99

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.

XDEC vs. PMMY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December (XDEC) and PGIM S&P 500 Max Buffer ETF - May (PMMY). 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.

	XDEC	PMMY	Difference
Sharpe ratio: Return per unit of total volatility	2.57	5.35	-2.78
Sortino ratio: Return per unit of downside risk	3.88	9.00	-5.12
Omega ratio: Gain probability vs. loss probability	1.57	2.45	-0.88
Calmar ratio: Return relative to maximum drawdown	3.12	16.90	-13.77
Martin ratio: Return relative to average drawdown	18.12	89.69	-71.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XDEC vs. PMMY - Sharpe Ratio Comparison

The current XDEC Sharpe Ratio is 2.57, which is lower than the PMMY Sharpe Ratio of 5.35. The chart below compares the historical Sharpe Ratios of XDEC and PMMY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	XDEC	PMMY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.57	5.35	-2.78
Sharpe Ratio (All Time) Calculated using the full available price history	0.96	4.56	-3.60

Drawdowns

XDEC vs. PMMY - Drawdown Comparison

The maximum XDEC drawdown since its inception was -11.75%, which is greater than PMMY's maximum drawdown of -0.36%. Use the drawdown chart below to compare losses from any high point for XDEC and PMMY.

Drawdown Indicators

	XDEC	PMMY	Difference
Max Drawdown Largest peak-to-trough decline	-11.75%	-0.36%	-11.39%
Max Drawdown (1Y) Largest decline over 1 year	-3.91%	-0.36%	-3.55%
Max Drawdown (3Y) Largest decline over 3 years	-10.08%	—	—
Current Drawdown Current decline from peak	-0.18%	-0.04%	-0.14%
Average Drawdown Average peak-to-trough decline	-1.65%	-0.04%	-1.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.67%	0.07%	+0.60%

Volatility

XDEC vs. PMMY - Volatility Comparison

FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December (XDEC) has a higher volatility of 0.72% compared to PGIM S&P 500 Max Buffer ETF - May (PMMY) at 0.36%. This indicates that XDEC's price experiences larger fluctuations and is considered to be riskier than PMMY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XDEC	PMMY	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.72%	0.36%	+0.36%
Volatility (6M) Calculated over the trailing 6-month period	4.11%	0.87%	+3.24%
Volatility (1Y) Calculated over the trailing 1-year period	4.76%	1.12%	+3.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.47%	1.39%	+7.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.47%	1.39%	+7.08%

XDEC vs. PMMY - Expense Ratio Comparison

XDEC has a 0.85% expense ratio, which is higher than PMMY's 0.50% expense ratio.

Dividends

XDEC vs. PMMY - Dividend Comparison

Neither XDEC nor PMMY has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both XDEC and PMMY in my portfolio?

XDEC and PMMY have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XDEC or PMMY?

XDEC has higher volatility (0.72%) compared to PMMY (0.36%). In terms of maximum drawdown, XDEC dropped -11.75% vs PMMY's -0.36%.

Which ETF is better, XDEC or PMMY?

On 1-year performance, XDEC leads with 12.16% vs 5.98% for PMMY. On fees, PMMY is cheaper at 0.50% per year. On volatility, PMMY has been the lower-risk option at 0.36%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XDEC or PMMY?

Over the 1-year period, XDEC has performed better with a 12.16% return vs 5.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XDEC or PMMY?

PMMY is cheaper with a 0.50% expense ratio, compared with 0.85% for XDEC.

Which ETF pays a higher dividend yield, XDEC or PMMY?

XDEC and PMMY have nearly identical dividend yields, around 0.00%.

What is the main difference between XDEC and PMMY?

They also come from different issuers: FT Vest and PGIM. Their fees differ too: 0.85% for XDEC and 0.50% for PMMY.

Which has better risk-adjusted returns?

PMMY currently has the higher Sharpe Ratio (5.35 vs 2.57), 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.