V-Lab
Varopakorn Co GJR-GARCH Volatility Analysis
Volatility prediction for Friday, August 14th, 2026
1 Day
41.24%
increased by 0.01%
1 Week
44.57%
increased by 3.34%
1 Month
53.48%
increased by 12.25%
Analysis last updated: Friday, August 14, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 17, 1992 to Aug 11, 2026Model Insight
Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8714 | 16.64*** |
α ARCH Response to squared shocks | 0.1445 | 16.91*** |
β GARCH Volatility persistence | 0.8259 | 132.73*** |
γ leverage Additional response to negative shocks | -0.0242 | -1.76* |
Persistence:
0.958
Half-life:
16 days
Other Varopakorn Co Analyses
Other GJR-GARCH Analyses on International Equities