V-Lab
FDM Group (Holdings) plc GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
30.02%
decreased by 0.69%
1 Week
31.36%
increased by 0.65%
1 Month
33.93%
increased by 3.22%
Analysis last updated: Wednesday, August 26, 2026 at 09:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 19, 2014 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5881 | 11.94*** |
α ARCH Response to squared shocks | 0.0726 | 7.29*** |
β GARCH Volatility persistence | 0.7943 | 60.43*** |
γ leverage Additional response to negative shocks | 0.0398 | 1.29 |
Persistence:
0.887
Half-life:
6 days
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