V-Lab
FDM Group (Holdings) plc GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
54.48%
decreased by 4.43%
1 Week
51.54%
decreased by 7.37%
1 Month
44.63%
decreased by 14.28%
Analysis last updated: Wednesday, August 5, 2026 at 08:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 19, 2014 to Jul 31, 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 | 0.5462 | 11.75*** |
α ARCH Response to squared shocks | 0.0665 | 7.12*** |
β GARCH Volatility persistence | 0.8070 | 64.29*** |
γ leverage Additional response to negative shocks | 0.0434 | 1.47 |
Persistence:
0.895
Half-life:
6 days
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