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V-Lab

Gvs S P A EGARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

30.48%

increased by 2.33%

1 Week

31.79%

increased by 3.64%

1 Month

36.10%

increased by 7.95%

Analysis last updated: Friday, September 11, 2026 at 07:54 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Gvs S P A EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 19, 2020 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days.

σ

EGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 14-day half-life
ParamValuet-stat
ωconst0.1063
1.96*
αARCH0.1593
3.83***
βGARCH0.9516
37.59***
γleverage-0.0465
-1.39

0.952

Persistence

14d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1063
1.96*
α

ARCH

Response to squared shocks

0.1593
3.83***
β

GARCH

Volatility persistence

0.9516
37.59***
γ

leverage

Additional response to negative shocks

-0.0465
-1.39

Persistence:

0.952

Half-life:

14 days