V-Lab
Hexagon Composites Asa AGARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
42.44%
decreased by 0.89%
1 Week
44.12%
increased by 0.79%
1 Month
49.03%
increased by 5.70%
Analysis last updated: Friday, September 11, 2026 at 09:00 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 18, 1997 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 18 trading days, meaning a shock loses half its impact after approximately 18 days.
σ
AGARCH Model
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Shock decay: Shocks decay with a 18-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.5609 | 5.20*** |
| αARCH | 0.0810 | 8.43*** |
| βGARCH | 0.8813 | 102.64*** |
| γleverage | 0.3231 | 0.69 |
0.962
Persistence18d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5609 | 5.20*** |
α ARCH Response to squared shocks | 0.0810 | 8.43*** |
β GARCH Volatility persistence | 0.8813 | 102.64*** |
γ leverage Additional response to negative shocks | 0.3231 | 0.69 |
Persistence:
0.962
Half-life:
18 days
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