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V-Lab

Capgemini Se GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

35.95%

increased by 1.24%

1 Week

35.84%

increased by 1.13%

1 Month

35.43%

increased by 0.72%

Analysis last updated: Tuesday, September 8, 2026 at 08:05 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Capgemini Se GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 16, 2004 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 51 trading days, meaning a shock loses half its impact after approximately 51 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 51-day half-life
ParamValuet-stat
ωconst0.0535
3.13***
αARCH0.0000
0.00
βGARCH0.9576
144.13***
γleverage0.0577
4.55***

0.986

Persistence

51d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0535
3.13***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9576
144.13***
γ

leverage

Additional response to negative shocks

0.0577
4.55***

Persistence:

0.986

Half-life:

51 days