V-Lab
Koninklijke Vopak NV AGARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
21.40%
decreased by 0.27%
1 Week
22.75%
increased by 1.08%
1 Month
25.33%
increased by 3.66%
Analysis last updated: Friday, September 11, 2026 at 08:52 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 4, 1999 to Sep 4, 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
AGARCH Model
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Shock decay: Shocks decay with a 6-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3239 | 4.70*** |
| αARCH | 0.1404 | 6.90*** |
| βGARCH | 0.7505 | 20.82*** |
| γleverage | 0.2096 | 0.89 |
0.891
Persistence6d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3239 | 4.70*** |
α ARCH Response to squared shocks | 0.1404 | 6.90*** |
β GARCH Volatility persistence | 0.7505 | 20.82*** |
γ leverage Additional response to negative shocks | 0.2096 | 0.89 |
Persistence:
0.891
Half-life:
6 days
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