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V-Lab

CBOE Crude Oil Volatility Index MEM Volatility Analysis

Volatility prediction for Friday, August 7th, 2026

1 Day

137.10%

decreased by 9.79%

1 Week

134.71%

decreased by 12.18%

1 Month

126.77%

decreased by 20.12%

Analysis last updated: Friday, August 7, 2026 at 08:39 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of CBOE Crude Oil Volatility Index MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 15, 2008 to Jul 2, 2026

Model Insight

Volatility shocks decay with a half-life of 20 trading days, meaning a shock loses half its impact after approximately 20 days.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2356
9.98***
α

ARCH

Response to squared shocks

0.1421
26.02***
β

GARCH

Volatility persistence

0.8234
150.57***

Persistence:

0.966

Half-life:

20 days