V-Lab
AV Concept Holdings Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
60.95%
decreased by 2.39%
1 Week
61.27%
decreased by 2.07%
1 Month
62.00%
decreased by 1.34%
Analysis last updated: Tuesday, August 25, 2026 at 06:49 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 2007 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 71% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3264 | 10.48*** |
α ARCH Response to squared shocks | 0.0945 | 10.40*** |
β GARCH Volatility persistence | 0.8408 | 72.16*** |
γ leverage Additional response to negative shocks | -0.0394 | -3.06*** |
Persistence:
0.916
Half-life:
8 days
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