V-Lab
G K P Printing & Packaging GJR-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
50.18%
increased by 3.93%
1 Week
51.06%
increased by 4.81%
1 Month
53.70%
increased by 7.45%
Analysis last updated: Friday, September 11, 2026 at 07:23 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 8, 2019 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 17-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.5790 | 2.32** |
| αARCH | 0.1128 | 1.47 |
| βGARCH | 0.8636 | 24.64*** |
| γleverage | -0.0318 | -0.24 |
0.960
Persistence17d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5790 | 2.32** |
α ARCH Response to squared shocks | 0.1128 | 1.47 |
β GARCH Volatility persistence | 0.8636 | 24.64*** |
γ leverage Additional response to negative shocks | -0.0318 | -0.24 |
Persistence:
0.960
Half-life:
17 days
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