BUFX vs. KNG

Last updated Jun 4, 2026

BUFX (FT Vest Laddered Enhance & Moderate Buffer ETF) and KNG (FT Cboe Vest S&P 500 Dividend Aristocrats Target Income ETF) are both exchange-traded funds - BUFX is a Defined Outcome fund managed by First Trust, while KNG is a Dividend fund tracking the Cboe S&P 500 Dividend Aristocrats Target Income Index Monthly Series. At a 0.41 correlation, their price movements are largely independent. BUFX charges 0.96%/yr vs 0.75%/yr for KNG.

Performance

BUFX vs. KNG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Vest Laddered Enhance & Moderate Buffer ETF (BUFX) 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, BUFX achieves a 4.10% return, which is significantly higher than KNG's 2.20% return.

BUFX

• 1D: -0.05%
• 1M: 1.35%
• YTD: 4.10%
• 6M: 4.88%
• 1Y: —
• 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)

BUFX vs. KNG - Yearly Performance Comparison

	2026 (YTD)	2025
BUFX FT Vest Laddered Enhance & Moderate Buffer ETF	4.10%	5.62%
KNG FT Cboe Vest S&P 500 Dividend Aristocrats Target Income ETF	2.20%	5.86%

Correlation

The correlation between BUFX and KNG is 0.41, 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 Jun 26, 2025	0.41

Return for Risk

BUFX vs. KNG — Risk / Return Rank

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

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.

BUFX vs. KNG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Vest Laddered Enhance & Moderate Buffer ETF (BUFX) 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.

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

Sharpe Ratios by Period

	BUFX	KNG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.73	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.32	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.68	0.49	+2.19

Drawdowns

BUFX vs. KNG - Drawdown Comparison

The maximum BUFX drawdown since its inception was -2.87%, smaller than the maximum KNG drawdown of -35.12%. Use the drawdown chart below to compare losses from any high point for BUFX and KNG.

Drawdown Indicators

	BUFX	KNG	Difference
Max Drawdown Largest peak-to-trough decline	-2.87%	-35.12%	+32.25%
Max Drawdown (1Y) Largest decline over 1 year	—	-8.61%	—
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	-0.07%	-5.89%	+5.82%
Average Drawdown Average peak-to-trough decline	-0.24%	-4.13%	+3.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.32%	—

Volatility

Volatility by Period

	BUFX	KNG	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.29%	—
Volatility (6M) Calculated over the trailing 6-month period	—	7.39%	—
Volatility (1Y) Calculated over the trailing 1-year period	3.98%	10.19%	-6.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.98%	13.59%	-9.61%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.98%	17.18%	-13.20%

BUFX vs. KNG - Expense Ratio Comparison

BUFX has a 0.96% expense ratio, which is higher than KNG's 0.75% expense ratio.

Dividends

BUFX vs. KNG - Dividend Comparison

BUFX 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
BUFX FT Vest Laddered Enhance & Moderate Buffer ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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%

Frequently Asked Questions

Can I hold both BUFX and KNG in my portfolio?

BUFX and KNG have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BUFX or KNG?

On fees, KNG 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, BUFX or KNG?

KNG is cheaper with a 0.75% expense ratio, compared with 0.96% for BUFX.

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

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

What is the main difference between BUFX and KNG?

BUFX is categorized as Defined Outcome, while KNG is Dividend. Their fees differ too: 0.96% for BUFX and 0.75% for KNG.