XMAY vs. KNG

Last updated Jun 4, 2026

XMAY (FT Vest U.S. Equity Enhance & Moderate Buffer ETF - May) and KNG (FT Cboe Vest S&P 500 Dividend Aristocrats Target Income ETF) are both exchange-traded funds - XMAY is a Defined Outcome fund actively managed by First Trust, while KNG is a Dividend fund tracking the Cboe S&P 500 Dividend Aristocrats Target Income Index Monthly Series. XMAY is actively managed, while KNG is passively managed. Over the past year, XMAY returned 10.25% vs 7.44% for KNG. A 0.52 correlation means they provide meaningful diversification when combined. XMAY charges 0.85%/yr vs 0.75%/yr for KNG.

Performance

XMAY vs. KNG - Performance Comparison

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

Returns By Period

In the year-to-date period, XMAY achieves a 3.39% return, which is significantly higher than KNG's 2.20% return.

XMAY

• 1D: -0.16%
• 1M: 0.93%
• YTD: 3.39%
• 6M: 4.13%
• 1Y: 10.25%
• 3Y*: —
• 5Y*: —
• 10Y*: —

KNG

• 1D: -0.04%
• 1M: 0.89%
• YTD: 2.20%
• 6M: 2.33%
• 1Y: 7.44%
• 3Y*: 7.06%
• 5Y*: 4.31%
• 10Y*: —

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

XMAY vs. KNG - Yearly Performance Comparison

	2026 (YTD)	2025	2024
XMAY FT Vest U.S. Equity Enhance & Moderate Buffer ETF - May	3.39%	10.44%	6.33%
KNG FT Cboe Vest S&P 500 Dividend Aristocrats Target Income ETF	2.20%	6.63%	0.89%

Correlation

The correlation between XMAY and KNG is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.43
Correlation (All Time) Calculated using the full available price history since May 21, 2024	0.52

The correlation between XMAY and KNG has been stable across timeframes, ranging from 0.43 to 0.52 - a consistent structural relationship.

Return for Risk

XMAY vs. KNG — Risk / Return Rank

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

XMAY

XMAY Risk / Return Rank: 92
XMAY Sharpe Ratio Rank: 88
XMAY Sortino Ratio Rank: 93
XMAY Omega Ratio Rank: 94
XMAY Calmar Ratio Rank: 91
XMAY Martin Ratio Rank: 96

KNG

KNG Risk / Return Rank: 20
KNG Sharpe Ratio Rank: 21
KNG Sortino Ratio Rank: 21
KNG Omega Ratio Rank: 19
KNG Calmar Ratio Rank: 20
KNG Martin Ratio Rank: 19

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.

XMAY vs. KNG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Vest U.S. Equity Enhance & Moderate Buffer ETF - May (XMAY) and FT Cboe Vest S&P 500 Dividend Aristocrats Target Income ETF (KNG). 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.

	XMAY	KNG	Difference
Sharpe ratio: Return per unit of total volatility	2.93	0.73	+2.19
Sortino ratio: Return per unit of downside risk	4.54	1.15	+3.39
Omega ratio: Gain probability vs. loss probability	1.65	1.13	+0.52
Calmar ratio: Return relative to maximum drawdown	5.79	0.87	+4.92
Martin ratio: Return relative to average drawdown	33.30	2.25	+31.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XMAY vs. KNG - Sharpe Ratio Comparison

The current XMAY Sharpe Ratio is 2.93, which is higher than the KNG Sharpe Ratio of 0.73. The chart below compares the historical Sharpe Ratios of XMAY and KNG, 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

	XMAY	KNG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.93	0.73	+2.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.32	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.35	0.49	+0.86

Drawdowns

XMAY vs. KNG - Drawdown Comparison

The maximum XMAY drawdown since its inception was -8.24%, smaller than the maximum KNG drawdown of -35.12%. Use the drawdown chart below to compare losses from any high point for XMAY and KNG.

Drawdown Indicators

	XMAY	KNG	Difference
Max Drawdown Largest peak-to-trough decline	-8.24%	-35.12%	+26.88%
Max Drawdown (1Y) Largest decline over 1 year	-1.78%	-8.61%	+6.83%
Max Drawdown (3Y) Largest decline over 3 years	—	-14.24%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.20%	—
Current Drawdown Current decline from peak	-0.20%	-5.89%	+5.69%
Average Drawdown Average peak-to-trough decline	-0.41%	-4.13%	+3.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.31%	3.32%	-3.01%

Volatility

XMAY vs. KNG - Volatility Comparison

The current volatility for FT Vest U.S. Equity Enhance & Moderate Buffer ETF - May (XMAY) is 0.72%, while FT Cboe Vest S&P 500 Dividend Aristocrats Target Income ETF (KNG) has a volatility of 2.29%. This indicates that XMAY experiences smaller price fluctuations and is considered to be less risky than KNG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XMAY	KNG	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.72%	2.29%	-1.57%
Volatility (6M) Calculated over the trailing 6-month period	2.56%	7.39%	-4.83%
Volatility (1Y) Calculated over the trailing 1-year period	3.53%	10.19%	-6.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.46%	13.59%	-6.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.46%	17.18%	-9.72%

XMAY vs. KNG - Expense Ratio Comparison

XMAY has a 0.85% expense ratio, which is higher than KNG's 0.75% expense ratio.

Dividends

XMAY vs. KNG - Dividend Comparison

XMAY has not paid dividends to shareholders, while KNG's dividend yield for the trailing twelve months is around 8.67%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
KNG FT Cboe Vest S&P 500 Dividend Aristocrats Target Income ETF	8.67%	8.61%	9.08%	5.91%	4.00%	3.45%	3.62%	4.09%	3.46%
XMAY FT Vest U.S. Equity Enhance & Moderate Buffer ETF - May	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both XMAY and KNG in my portfolio?

XMAY and KNG have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XMAY or KNG?

KNG has higher volatility (2.29%) compared to XMAY (0.72%). In terms of maximum drawdown, XMAY dropped -8.24% vs KNG's -35.12%.

Which ETF is better, XMAY or KNG?

On 1-year performance, XMAY leads with 10.25% vs 7.44% for KNG. On fees, KNG is cheaper at 0.75% per year. On volatility, XMAY has been the lower-risk option at 0.72%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XMAY or KNG?

Over the 1-year period, XMAY has performed better with a 10.25% return vs 7.44%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XMAY or KNG?

KNG is cheaper with a 0.75% expense ratio, compared with 0.85% for XMAY.

Which ETF pays a higher dividend yield, XMAY or KNG?

KNG has the higher dividend yield at 8.67%, compared with 0.00% for XMAY.

What is the main difference between XMAY and KNG?

XMAY is categorized as Defined Outcome, while KNG is Dividend. Their fees differ too: 0.85% for XMAY and 0.75% for KNG.

Which has better risk-adjusted returns?

XMAY currently has the higher Sharpe Ratio (2.93 vs 0.73), 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.