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VIEL & Cie SA GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

24.76%

decreased by 0.05%

1 Week

27.12%

increased by 2.31%

1 Month

31.16%

increased by 6.35%

Analysis last updated: Wednesday, October 7, 2026 at 06:48 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of VIEL & Cie SA GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Oct 2, 2026

Model Insight

Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 5-day half-life
ParamValuet-stat
ωconst0.5768
6.79***
αARCH0.1862
5.27***
βGARCH0.6696
22.11***
γleverage0.0404
0.63

0.876

Persistence

5d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.5768
6.79***
α

ARCH

Response to squared shocks

0.1862
5.27***
β

GARCH

Volatility persistence

0.6696
22.11***
γ

leverage

Additional response to negative shocks

0.0404
0.63

Persistence:

0.876

Half-life:

5 days