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V-Lab

Capgemini Se Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

43.31%

decreased by 1.00%

1 Week

43.01%

decreased by 1.30%

1 Month

41.88%

decreased by 2.43%

Analysis last updated: Saturday, August 8, 2026 at 08:12 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Capgemini Se S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 16, 2004 to Aug 7, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 51 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1701
9.27***
α

ARCH

Response to squared shocks

0.0394
5.00***
β

GARCH

Volatility persistence

0.9471
94.08***
γi Spline Coefficients
K=1
γ10.0008
1.68*

Persistence:

0.987

Half-life:

51 days