KNGLX vs. FDFIX

Last updated Apr 1, 2026

Compare and contrast key facts about CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund (KNGLX) and Fidelity Flex 500 Index Fund (FDFIX).

KNGLX is a passively managed fund by CBOE Vest that tracks the performance of the Cboe S&P 500 Dividend Aristocrats Target Income Index Monthly Series. It was launched on Sep 10, 2017. FDFIX is managed by Fidelity. It was launched on Mar 9, 2017.

Performance

KNGLX vs. FDFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund (KNGLX) and Fidelity Flex 500 Index Fund (FDFIX). The values are adjusted to include any dividend payments, if applicable.

KNGLX vs. FDFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
KNGLX CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund	0.17%	6.43%	2.91%	6.46%	-7.29%	23.23%	7.08%	26.58%	-4.64%
FDFIX Fidelity Flex 500 Index Fund	-7.27%	17.59%	25.06%	26.27%	-18.10%	28.69%	18.46%	31.47%	-5.20%

Returns By Period

In the year-to-date period, KNGLX achieves a 0.17% return, which is significantly higher than FDFIX's -7.27% return.

KNGLX

• 1D: 0.09%
• 1M: -7.86%
• YTD: 0.17%
• 6M: 1.93%
• 1Y: 3.88%
• 3Y*: 4.80%
• 5Y*: 4.36%
• 10Y*: —

FDFIX

• 1D: -0.33%
• 1M: -7.59%
• YTD: -7.27%
• 6M: -4.96%
• 1Y: 13.90%
• 3Y*: 17.02%
• 5Y*: 11.31%
• 10Y*: —

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

KNGLX vs. FDFIX - Expense Ratio Comparison

KNGLX has a 1.20% expense ratio, which is higher than FDFIX's 0.00% expense ratio.

KNGLX

CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund

FDFIX

Fidelity Flex 500 Index Fund

Return for Risk

KNGLX vs. FDFIX — Risk / Return Rank

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

KNGLX

KNGLX Risk / Return Rank: 14
KNGLX Sharpe Ratio Rank: 14
KNGLX Sortino Ratio Rank: 14
KNGLX Omega Ratio Rank: 13
KNGLX Calmar Ratio Rank: 15
KNGLX Martin Ratio Rank: 16

FDFIX

FDFIX Risk / Return Rank: 42
FDFIX Sharpe Ratio Rank: 39
FDFIX Sortino Ratio Rank: 43
FDFIX Omega Ratio Rank: 47
FDFIX Calmar Ratio Rank: 36
FDFIX Martin Ratio Rank: 46

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.

KNGLX vs. FDFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund (KNGLX) and Fidelity Flex 500 Index Fund (FDFIX). 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.

	KNGLX	FDFIX	Difference
Sharpe ratio Return per unit of total volatility	0.35	0.81	-0.45
Sortino ratio Return per unit of downside risk	0.61	1.26	-0.64
Omega ratio Gain probability vs. loss probability	1.08	1.19	-0.11
Calmar ratio Return relative to maximum drawdown	0.43	0.96	-0.53
Martin ratio Return relative to average drawdown	1.61	4.59	-2.98
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KNGLX vs. FDFIX - Sharpe Ratio Comparison

The current KNGLX Sharpe Ratio is 0.35, which is lower than the FDFIX Sharpe Ratio of 0.81. The chart below compares the historical Sharpe Ratios of KNGLX and FDFIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	KNGLX	FDFIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.35	0.81	-0.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.31	0.67	-0.36
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.71	-0.31

Correlation

The correlation between KNGLX and FDFIX is 0.76, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

KNGLX vs. FDFIX - Dividend Comparison

KNGLX's dividend yield for the trailing twelve months is around 8.01%, more than FDFIX's 1.20% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
KNGLX CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund	8.01%	8.02%	9.60%	7.99%	4.54%	4.41%	3.53%	4.53%	4.74%	0.00%
FDFIX Fidelity Flex 500 Index Fund	1.20%	1.11%	1.26%	1.48%	1.70%	1.27%	1.52%	1.78%	2.16%	0.50%

Drawdowns

KNGLX vs. FDFIX - Drawdown Comparison

The maximum KNGLX drawdown since its inception was -31.48%, smaller than the maximum FDFIX drawdown of -33.77%. Use the drawdown chart below to compare losses from any high point for KNGLX and FDFIX.

Drawdown Indicators

	KNGLX	FDFIX	Difference
Max Drawdown Largest peak-to-trough decline	-31.48%	-33.77%	+2.29%
Max Drawdown (1Y) Largest decline over 1 year	-10.91%	-12.13%	+1.22%
Max Drawdown (5Y) Largest decline over 5 years	-18.25%	-24.51%	+6.26%
Current Drawdown Current decline from peak	-7.86%	-8.99%	+1.13%
Average Drawdown Average peak-to-trough decline	-4.60%	-4.64%	+0.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.89%	2.60%	+0.29%

Volatility

KNGLX vs. FDFIX - Volatility Comparison

The current volatility for CBOE Vest S&P 500 Dividend Aristocrats Target Income Fund (KNGLX) is 3.23%, while Fidelity Flex 500 Index Fund (FDFIX) has a volatility of 4.22%. This indicates that KNGLX experiences smaller price fluctuations and is considered to be less risky than FDFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KNGLX	FDFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.23%	4.22%	-0.99%
Volatility (6M) Calculated over the trailing 6-month period	7.63%	9.16%	-1.53%
Volatility (1Y) Calculated over the trailing 1-year period	14.28%	18.20%	-3.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.01%	16.91%	-2.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.26%	18.68%	-1.42%