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FDM Group (Holdings) plc GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

38.49%

decreased by 1.22%

1 Week

38.02%

decreased by 1.69%

1 Month

37.07%

decreased by 2.64%

Analysis last updated: Friday, September 11, 2026 at 09:49 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FDM Group (Holdings) plc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 19, 2014 to Sep 4, 2026

Model 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

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Shock decay: Shocks decay with a 6-day half-life
ParamValuet-stat
ωconst0.5958
2.99***
αARCH0.0732
1.83*
βGARCH0.7923
14.94***
γleverage0.0395
0.32

0.885

Persistence

6d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.5958
2.99***
α

ARCH

Response to squared shocks

0.0732
1.83*
β

GARCH

Volatility persistence

0.7923
14.94***
γ

leverage

Additional response to negative shocks

0.0395
0.32

Persistence:

0.885

Half-life:

6 days