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V-Lab
V-Lab

Blom Stock Index EGARCH Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

24.02%

increased by 3.25%

1 Week

24.14%

increased by 3.37%

1 Month

24.46%

increased by 3.69%

Analysis last updated: Friday, September 4, 2026 at 11:28 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Blom Stock Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 19, 1996 to Aug 27, 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

EGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 11-day half-life
ParamValuet-stat
ωconst0.0570
4.74***
αARCH0.4566
11.00***
βGARCH0.9374
110.84***
γleverage0.0171
0.42

0.937

Persistence

11d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0570
4.74***
α

ARCH

Response to squared shocks

0.4566
11.00***
β

GARCH

Volatility persistence

0.9374
110.84***
γ

leverage

Additional response to negative shocks

0.0171
0.42

Persistence:

0.937

Half-life:

11 days