BUIGX vs. KNGLX

Last updated Jun 4, 2026

BUIGX (Cboe Vest US Large Cap 10% Buffer Fund) and KNGLX (CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund) are both mutual funds - BUIGX is a Options Trading fund managed by CBOE Vest, while KNGLX is a Derivative Income fund tracking the Cboe S&P 500 Dividend Aristocrats Target Income Index Monthly Series. Over the past 5 years, BUIGX returned 9.40%/yr vs 3.44%/yr for KNGLX. A 0.74 correlation means they provide meaningful diversification when combined. BUIGX charges 0.95%/yr vs 1.20%/yr for KNGLX.

Performance

BUIGX vs. KNGLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cboe Vest US Large Cap 10% Buffer Fund (BUIGX) and CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund (KNGLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BUIGX achieves a 6.52% return, which is significantly higher than KNGLX's 2.66% return.

BUIGX

• 1D: 0.00%
• 1M: 2.54%
• YTD: 6.52%
• 6M: 7.05%
• 1Y: 17.73%
• 3Y*: 14.50%
• 5Y*: 9.40%
• 10Y*: —

KNGLX

• 1D: 0.27%
• 1M: 1.09%
• YTD: 2.66%
• 6M: 2.73%
• 1Y: 7.63%
• 3Y*: 5.89%
• 5Y*: 3.44%
• 10Y*: —

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

BUIGX vs. KNGLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
BUIGX Cboe Vest US Large Cap 10% Buffer Fund	6.52%	11.51%	15.54%	19.05%	-9.88%	12.51%	10.57%	17.71%	-2.36%
KNGLX CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund	2.66%	6.43%	2.91%	6.46%	-7.29%	23.23%	7.08%	26.58%	-4.64%

Correlation

The correlation between BUIGX and KNGLX 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 (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (All Time) Calculated using the full available price history since Jan 3, 2018	0.74

Over the past year, the correlation between BUIGX and KNGLX has dropped to 0.43 - well below their long-term average of 0.74, suggesting their price drivers have been diverging.

Return for Risk

BUIGX vs. KNGLX — Risk / Return Rank

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

BUIGX

BUIGX Risk / Return Rank: 66
BUIGX Sharpe Ratio Rank: 46
BUIGX Sortino Ratio Rank: 45
BUIGX Omega Ratio Rank: 70
BUIGX Calmar Ratio Rank: 78
BUIGX Martin Ratio Rank: 90

KNGLX

KNGLX Risk / Return Rank: 9
KNGLX Sharpe Ratio Rank: 9
KNGLX Sortino Ratio Rank: 9
KNGLX Omega Ratio Rank: 8
KNGLX Calmar Ratio Rank: 9
KNGLX Martin Ratio Rank: 8

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.

BUIGX vs. KNGLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cboe Vest US Large Cap 10% Buffer Fund (BUIGX) and CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund (KNGLX). 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.

	BUIGX	KNGLX	Difference
Sharpe ratio: Return per unit of total volatility	2.00	0.74	+1.25
Sortino ratio: Return per unit of downside risk	2.85	1.16	+1.69
Omega ratio: Gain probability vs. loss probability	1.47	1.13	+0.34
Calmar ratio: Return relative to maximum drawdown	3.57	0.89	+2.69
Martin ratio: Return relative to average drawdown	18.18	2.40	+15.79
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BUIGX vs. KNGLX - Sharpe Ratio Comparison

The current BUIGX Sharpe Ratio is 2.00, which is higher than the KNGLX Sharpe Ratio of 0.74. The chart below compares the historical Sharpe Ratios of BUIGX and KNGLX, 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

	BUIGX	KNGLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.00	0.74	+1.25
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.82	0.25	+0.57
Sharpe Ratio (All Time) Calculated using the full available price history	0.82	0.41	+0.41

Drawdowns

BUIGX vs. KNGLX - Drawdown Comparison

The maximum BUIGX drawdown since its inception was -22.01%, smaller than the maximum KNGLX drawdown of -31.48%. Use the drawdown chart below to compare losses from any high point for BUIGX and KNGLX.

Drawdown Indicators

	BUIGX	KNGLX	Difference
Max Drawdown Largest peak-to-trough decline	-22.01%	-31.48%	+9.47%
Max Drawdown (1Y) Largest decline over 1 year	-5.12%	-8.90%	+3.78%
Max Drawdown (3Y) Largest decline over 3 years	-13.94%	-14.79%	+0.85%
Max Drawdown (5Y) Largest decline over 5 years	-15.22%	-18.25%	+3.03%
Current Drawdown Current decline from peak	0.00%	-5.58%	+5.58%
Average Drawdown Average peak-to-trough decline	-2.32%	-4.62%	+2.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.00%	3.27%	-2.27%

Volatility

BUIGX vs. KNGLX - Volatility Comparison

The current volatility for Cboe Vest US Large Cap 10% Buffer Fund (BUIGX) is 1.03%, while CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund (KNGLX) has a volatility of 2.78%. This indicates that BUIGX experiences smaller price fluctuations and is considered to be less risky than KNGLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUIGX	KNGLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.03%	2.78%	-1.75%
Volatility (6M) Calculated over the trailing 6-month period	7.94%	7.71%	+0.23%
Volatility (1Y) Calculated over the trailing 1-year period	9.18%	10.62%	-1.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.53%	14.02%	-2.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.69%	17.15%	-5.46%

BUIGX vs. KNGLX - Expense Ratio Comparison

BUIGX has a 0.95% expense ratio, which is lower than KNGLX's 1.20% expense ratio.

Dividends

BUIGX vs. KNGLX - Dividend Comparison

BUIGX has not paid dividends to shareholders, while KNGLX's dividend yield for the trailing twelve months is around 12.76%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BUIGX Cboe Vest US Large Cap 10% Buffer Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.32%	0.68%	0.00%
KNGLX CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund	12.76%	8.02%	9.60%	7.99%	4.54%	4.41%	3.53%	4.53%	4.74%

Frequently Asked Questions

Can I hold both BUIGX and KNGLX in my portfolio?

BUIGX and KNGLX 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, BUIGX or KNGLX?

KNGLX has higher volatility (2.78%) compared to BUIGX (1.03%). In terms of maximum drawdown, BUIGX dropped -22.01% vs KNGLX's -31.48%.

Which has better risk-adjusted returns?

BUIGX currently has the higher Sharpe Ratio (2.00 vs 0.74), 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.