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CBOE DJIA Volatility Index GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

101.43%

decreased by 0.22%

1 Week

103.47%

increased by 1.82%

1 Month

108.90%

increased by 7.25%

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE DJIA Volatility Index GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 6, 1997 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 11-day half-life
ParamValuet-stat
ωconst3.2907
4.39***
αARCH0.1235
6.52***
βGARCH0.8174
27.94***

0.941

Persistence

11d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.2907
4.39***
α

ARCH

Response to squared shocks

0.1235
6.52***
β

GARCH

Volatility persistence

0.8174
27.94***

Persistence:

0.941

Half-life:

11 days