Apex Ecotech Limited GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
57.72%
decreased by 3.18%
1 Week
59.07%
decreased by 1.83%
1 Month
60.52%
decreased by 0.38%
Analysis last updated: Sunday, October 25, 2026 at 04:31 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 4, 2024 to Oct 23, 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
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Shock decay: Shocks decay with a 2-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.6235 | 1.33 |
| αARCH | 0.0860 | 1.07 |
| βGARCH | 0.6400 | 3.02*** |
| γleverage | 0.0600 | 0.21 |
0.756
Persistence2d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.6235 | 1.33 |
α ARCH Response to squared shocks | 0.0860 | 1.07 |
β GARCH Volatility persistence | 0.6400 | 3.02*** |
γ leverage Additional response to negative shocks | 0.0600 | 0.21 |
Persistence:
0.756
Half-life:
2 days
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