V-Lab
Cic Holdings Plc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
28.36%
decreased by 0.58%
1 Week
30.46%
increased by 1.52%
1 Month
35.27%
increased by 6.33%
Analysis last updated: Sunday, July 26, 2026 at 05:30 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 18, 2008 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4904 | 10.48*** |
α ARCH Response to squared shocks | 0.1253 | 9.36*** |
β GARCH Volatility persistence | 0.8131 | 61.46*** |
γ leverage Additional response to negative shocks | -0.0195 | -1.11 |
Persistence:
0.929
Half-life:
9 days
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