V-Lab
Ventia Services Group Pty Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Friday, August 14th, 2026
1 Day
30.84%
increased by 0.44%
1 Week
31.59%
increased by 1.19%
1 Month
31.85%
increased by 1.45%
Analysis last updated: Friday, August 14, 2026 at 08:07 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 23, 2021 to Aug 7, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.5929 | 14.83*** |
α ARCH Response to squared shocks | 0.0128 | 1.70* |
β GARCH Volatility persistence | 0.1529 | 3.29*** |
γ leverage Additional response to negative shocks | 0.3868 | 2.55** |
Persistence:
0.359
Half-life:
1 days
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