EIVPX vs. BUIGX

Last updated Jun 5, 2026

EIVPX (Parametric Volatility Risk Premium - Defensive Fund) and BUIGX (Cboe Vest US Large Cap 10% Buffer Fund) are both Options Trading funds. Over the past 5 years, EIVPX returned 10.05%/yr vs 9.28%/yr for BUIGX. Their correlation of 0.91 suggests significant overlap in exposure. EIVPX charges 0.47%/yr vs 0.95%/yr for BUIGX.

Performance

EIVPX vs. BUIGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Parametric Volatility Risk Premium - Defensive Fund (EIVPX) and Cboe Vest US Large Cap 10% Buffer Fund (BUIGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with EIVPX having a 6.16% return and BUIGX slightly higher at 6.34%.

EIVPX

• 1D: -0.22%
• 1M: 1.83%
• YTD: 6.16%
• 6M: 6.77%
• 1Y: 18.17%
• 3Y*: 14.14%
• 5Y*: 10.05%
• 10Y*: —

BUIGX

• 1D: -0.17%
• 1M: 2.01%
• YTD: 6.34%
• 6M: 6.77%
• 1Y: 17.59%
• 3Y*: 14.44%
• 5Y*: 9.28%
• 10Y*: —

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

EIVPX vs. BUIGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
EIVPX Parametric Volatility Risk Premium - Defensive Fund	6.16%	12.90%	16.45%	16.83%	-8.64%	17.96%	4.74%	15.46%	-2.80%	8.71%
BUIGX Cboe Vest US Large Cap 10% Buffer Fund	6.34%	11.51%	15.54%	19.05%	-9.88%	12.51%	10.57%	17.71%	-2.19%	7.84%

Correlation

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

Return for Risk

EIVPX vs. BUIGX — Risk / Return Rank

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

EIVPX

EIVPX Risk / Return Rank: 89
EIVPX Sharpe Ratio Rank: 87
EIVPX Sortino Ratio Rank: 83
EIVPX Omega Ratio Rank: 87
EIVPX Calmar Ratio Rank: 91
EIVPX Martin Ratio Rank: 97

BUIGX

BUIGX Risk / Return Rank: 65
BUIGX Sharpe Ratio Rank: 45
BUIGX Sortino Ratio Rank: 44
BUIGX Omega Ratio Rank: 68
BUIGX Calmar Ratio Rank: 78
BUIGX Martin Ratio Rank: 90

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.

EIVPX vs. BUIGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Parametric Volatility Risk Premium - Defensive Fund (EIVPX) and Cboe Vest US Large Cap 10% Buffer Fund (BUIGX). 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.

	EIVPX	BUIGX	Difference
Sharpe ratio: Return per unit of total volatility	2.86	1.93	+0.93
Sortino ratio: Return per unit of downside risk	4.01	2.76	+1.25
Omega ratio: Gain probability vs. loss probability	1.61	1.45	+0.16
Calmar ratio: Return relative to maximum drawdown	4.78	3.45	+1.33
Martin ratio: Return relative to average drawdown	25.51	17.58	+7.93
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EIVPX vs. BUIGX - Sharpe Ratio Comparison

The current EIVPX Sharpe Ratio is 2.86, which is higher than the BUIGX Sharpe Ratio of 1.93. The chart below compares the historical Sharpe Ratios of EIVPX and BUIGX, 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

	EIVPX	BUIGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.86	1.93	+0.93
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.03	0.81	+0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.77	0.81	-0.04

Drawdowns

EIVPX vs. BUIGX - Drawdown Comparison

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

Drawdown Indicators

	EIVPX	BUIGX	Difference
Max Drawdown Largest peak-to-trough decline	-26.67%	-22.01%	-4.66%
Max Drawdown (1Y) Largest decline over 1 year	-3.81%	-5.12%	+1.31%
Max Drawdown (3Y) Largest decline over 3 years	-12.77%	-13.94%	+1.17%
Max Drawdown (5Y) Largest decline over 5 years	-14.07%	-15.22%	+1.15%
Current Drawdown Current decline from peak	-0.22%	-0.17%	-0.05%
Average Drawdown Average peak-to-trough decline	-2.46%	-2.32%	-0.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.71%	1.00%	-0.29%

Volatility

EIVPX vs. BUIGX - Volatility Comparison

The current volatility for Parametric Volatility Risk Premium - Defensive Fund (EIVPX) is 0.96%, while Cboe Vest US Large Cap 10% Buffer Fund (BUIGX) has a volatility of 1.03%. This indicates that EIVPX experiences smaller price fluctuations and is considered to be less risky than BUIGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EIVPX	BUIGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.96%	1.03%	-0.07%
Volatility (6M) Calculated over the trailing 6-month period	4.71%	7.94%	-3.23%
Volatility (1Y) Calculated over the trailing 1-year period	6.38%	9.17%	-2.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.79%	11.53%	-1.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.81%	11.69%	+0.12%

EIVPX vs. BUIGX - Expense Ratio Comparison

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

Dividends

EIVPX vs. BUIGX - Dividend Comparison

EIVPX's dividend yield for the trailing twelve months is around 3.78%, while BUIGX has not paid dividends to shareholders.

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	3.78%	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 EIVPX and BUIGX in my portfolio?

With a correlation of 0.92, EIVPX and BUIGX 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, EIVPX or BUIGX?

BUIGX has higher volatility (1.03%) compared to EIVPX (0.96%). In terms of maximum drawdown, EIVPX dropped -26.67% vs BUIGX's -22.01%.

Which has better risk-adjusted returns?

EIVPX currently has the higher Sharpe Ratio (2.86 vs 1.93), 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.