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V-Lab
V-Lab

CBOE Energy ETF Volatility Index MEM Volatility Analysis

Inactive

Last recorded values (Monday, February 14th, 2022):

1 Day

99.52%

1 Week

102.37%

1 Month

108.48%

Analysis last updated: Wednesday, September 2, 2026 at 04:24 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE Energy ETF Volatility Index MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 16, 2011 to Feb 11, 2022
Boundary Parameters

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 7-day half-life
ParamValuet-stat
ωconst5.0000
1.89*
αARCH0.2055
3.13***
βGARCH0.6993
16.57***

0.905

Persistence

7d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.89*
α

ARCH

Response to squared shocks

0.2055
3.13***
β

GARCH

Volatility persistence

0.6993
16.57***

Persistence:

0.905

Half-life:

7 days