BUIGX vs. EIVPX

Last updated Jun 4, 2026

BUIGX (Cboe Vest US Large Cap 10% Buffer Fund) and EIVPX (Parametric Volatility Risk Premium - Defensive Fund) are both Options Trading funds. Over the past 5 years, BUIGX returned 9.40%/yr vs 10.21%/yr for EIVPX. Their correlation of 0.91 suggests significant overlap in exposure. BUIGX charges 0.95%/yr vs 0.47%/yr for EIVPX.

Performance

BUIGX vs. EIVPX - 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 Parametric Volatility Risk Premium - Defensive Fund (EIVPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with BUIGX having a 6.52% return and EIVPX slightly lower at 6.40%.

BUIGX

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

EIVPX

• 1D: 0.11%
• 1M: 2.48%
• YTD: 6.40%
• 6M: 7.07%
• 1Y: 18.43%
• 3Y*: 14.23%
• 5Y*: 10.21%
• 10Y*: —

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

BUIGX vs. EIVPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%	-2.19%	7.84%
EIVPX Parametric Volatility Risk Premium - Defensive Fund	6.40%	12.90%	16.45%	16.83%	-8.64%	17.96%	4.74%	15.46%	-2.80%	8.71%

Correlation

The correlation between BUIGX and EIVPX is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (All Time) Calculated using the full available price history since Feb 16, 2017	0.91

The correlation between BUIGX and EIVPX has been stable across timeframes, ranging from 0.89 to 0.92 - a consistent structural relationship.

Return for Risk

BUIGX vs. EIVPX — 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

EIVPX

EIVPX Risk / Return Rank: 91
EIVPX Sharpe Ratio Rank: 90
EIVPX Sortino Ratio Rank: 87
EIVPX Omega Ratio Rank: 89
EIVPX Calmar Ratio Rank: 92
EIVPX Martin Ratio Rank: 97

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. EIVPX - 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 Parametric Volatility Risk Premium - Defensive Fund (EIVPX). 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	EIVPX	Difference
Sharpe ratio Return per unit of total volatility	2.00	2.95	-0.96
Sortino ratio Return per unit of downside risk	2.85	4.13	-1.28
Omega ratio Gain probability vs. loss probability	1.47	1.63	-0.16
Calmar ratio Return relative to maximum drawdown	3.57	4.93	-1.36
Martin ratio Return relative to average drawdown	18.18	26.31	-8.13
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. EIVPX - Sharpe Ratio Comparison

The current BUIGX Sharpe Ratio is 2.00, which is lower than the EIVPX Sharpe Ratio of 2.95. The chart below compares the historical Sharpe Ratios of BUIGX and EIVPX, 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	EIVPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.00	2.95	-0.96
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.82	1.05	-0.23
Sharpe Ratio (All Time) Calculated using the full available price history	0.82	0.78	+0.04

Drawdowns

BUIGX vs. EIVPX - Drawdown Comparison

The maximum BUIGX drawdown since its inception was -22.01%, smaller than the maximum EIVPX drawdown of -26.67%. Use the drawdown chart below to compare losses from any high point for BUIGX and EIVPX.

Drawdown Indicators

	BUIGX	EIVPX	Difference
Max Drawdown Largest peak-to-trough decline	-22.01%	-26.67%	+4.66%
Max Drawdown (1Y) Largest decline over 1 year	-5.12%	-3.81%	-1.31%
Max Drawdown (3Y) Largest decline over 3 years	-13.94%	-12.77%	-1.17%
Max Drawdown (5Y) Largest decline over 5 years	-15.22%	-14.07%	-1.15%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-2.32%	-2.46%	+0.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.00%	0.71%	+0.29%

Volatility

BUIGX vs. EIVPX - Volatility Comparison

Cboe Vest US Large Cap 10% Buffer Fund (BUIGX) has a higher volatility of 1.03% compared to Parametric Volatility Risk Premium - Defensive Fund (EIVPX) at 0.93%. This indicates that BUIGX's price experiences larger fluctuations and is considered to be riskier than EIVPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUIGX	EIVPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.03%	0.93%	+0.10%
Volatility (6M) Calculated over the trailing 6-month period	7.94%	4.71%	+3.23%
Volatility (1Y) Calculated over the trailing 1-year period	9.18%	6.38%	+2.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.53%	9.79%	+1.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.69%	11.81%	-0.12%

BUIGX vs. EIVPX - Expense Ratio Comparison

BUIGX has a 0.95% expense ratio, which is higher than EIVPX's 0.47% expense ratio.

Dividends

BUIGX vs. EIVPX - Dividend Comparison

BUIGX has not paid dividends to shareholders, while EIVPX's dividend yield for the trailing twelve months is around 3.77%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%	0.00%
EIVPX Parametric Volatility Risk Premium - Defensive Fund	3.77%	4.01%	2.67%	5.09%	7.95%	1.22%	0.75%	1.23%	1.24%	0.53%

Frequently Asked Questions

Can I hold both BUIGX and EIVPX in my portfolio?

With a correlation of 0.92, BUIGX and EIVPX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, BUIGX or EIVPX?

BUIGX has higher volatility (1.03%) compared to EIVPX (0.93%). In terms of maximum drawdown, BUIGX dropped -22.01% vs EIVPX's -26.67%.

Which has better risk-adjusted returns?

EIVPX currently has the higher Sharpe Ratio (2.95 vs 2.00), 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.