Capgemini Se GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
41.05%
decreased by 0.74%
1 Week
40.81%
decreased by 0.98%
1 Month
39.94%
decreased by 1.85%
Analysis last updated: Tuesday, July 14, 2026 at 06:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 16, 2004 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 49 trading days, meaning a shock loses half its impact after approximately 49 days.
σ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0553 | 12.65*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9567 | 560.11*** |
γ leverage Additional response to negative shocks | 0.0585 | 18.17*** |
Persistence:
0.986
Half-life:
49 days
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