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V-Lab

CBOE DJIA Volatility Index MEM Volatility Analysis

Volatility prediction for Friday, August 7th, 2026

1 Day

65.25%

decreased by 0.50%

1 Week

71.47%

increased by 5.72%

1 Month

88.36%

increased by 22.61%

Analysis last updated: Friday, August 7, 2026 at 11:36 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE DJIA Volatility Index MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 6, 1997 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 19 trading days, meaning a shock loses half its impact after approximately 19 days.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.3585
10.49***
α

ARCH

Response to squared shocks

0.1605
24.02***
β

GARCH

Volatility persistence

0.8035
139.81***

Persistence:

0.964

Half-life:

19 days