V-Lab
Apex Ecotech Limited GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
63.03%
increased by 0.23%
1 Week
62.93%
increased by 0.13%
1 Month
62.82%
increased by 0.02%
Analysis last updated: Tuesday, August 25, 2026 at 07:00 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 4, 2024 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.9281 | 5.10*** |
α ARCH Response to squared shocks | 0.0874 | 4.40*** |
β GARCH Volatility persistence | 0.6281 | 11.01*** |
γ leverage Additional response to negative shocks | 0.0666 | 0.91 |
Persistence:
0.749
Half-life:
2 days
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