Skip to main content
V-Lab
V-Lab

CBOE 3-Month Volatility Index MEM Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

67.40%

increased by 4.16%

1 Week

69.78%

increased by 6.54%

1 Month

75.69%

increased by 12.45%

Analysis last updated: Friday, October 16, 2026 at 11:30 AM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE 3-Month Volatility Index MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 9, 2007 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 10 trading days, meaning a shock loses half its impact after approximately 10 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 10-day half-life
ParamValuet-stat
ωconst1.9009
4.71***
αARCH0.3784
10.73***
βGARCH0.5546
21.07***

0.933

Persistence

10d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.9009
4.71***
α

ARCH

Response to squared shocks

0.3784
10.73***
β

GARCH

Volatility persistence

0.5546
21.07***

Persistence:

0.933

Half-life:

10 days