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V-Lab

Capgemini Se GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

34.25%

decreased by 0.55%

1 Week

34.18%

decreased by 0.62%

1 Month

33.92%

decreased by 0.88%

Analysis last updated: Saturday, August 22, 2026 at 08:26 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 Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 50 trading days, meaning a shock loses half its impact after approximately 50 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0539
12.55***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9574
572.25***
γ

leverage

Additional response to negative shocks

0.0580
18.20***

Persistence:

0.986

Half-life:

50 days