V-Lab
G K P Printing & Packaging GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
66.10%
increased by 4.78%
1 Week
65.74%
increased by 4.42%
1 Month
64.60%
increased by 3.28%
Analysis last updated: Friday, October 2, 2026 at 06:38 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 8, 2019 to Oct 1, 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 | 0.5813 | 2.32** |
| αARCH | 0.1129 | 1.48 |
| βGARCH | 0.8634 | 24.75*** |
| γleverage | -0.0310 | -0.23 |
0.961
Persistence17d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5813 | 2.32** |
α ARCH Response to squared shocks | 0.1129 | 1.48 |
β GARCH Volatility persistence | 0.8634 | 24.75*** |
γ leverage Additional response to negative shocks | -0.0310 | -0.23 |
Persistence:
0.961
Half-life:
17 days
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