V-Lab
Volkswagen AG GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, October 6th, 2026
1 Day
37.08%
decreased by 1.30%
1 Week
36.98%
decreased by 1.40%
1 Month
36.64%
decreased by 1.74%
Analysis last updated: Tuesday, October 6, 2026 at 06:48 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 27 trading days, meaning a shock loses half its impact after approximately 27 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 27-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1223 | 6.68*** |
| αARCH | 0.0603 | 5.42*** |
| βGARCH | 0.8878 | 92.45*** |
| γleverage | 0.0533 | 1.95* |
0.975
Persistence27d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1223 | 6.68*** |
α ARCH Response to squared shocks | 0.0603 | 5.42*** |
β GARCH Volatility persistence | 0.8878 | 92.45*** |
γ leverage Additional response to negative shocks | 0.0533 | 1.95* |
Persistence:
0.975
Half-life:
27 days
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