V-Lab
Ventia Services Group Pty Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
28.39%
decreased by 0.37%
1 Week
30.89%
increased by 2.13%
1 Month
31.70%
increased by 2.94%
Analysis last updated: Wednesday, August 5, 2026 at 08:01 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 23, 2021 to Jul 31, 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 | 2.5884 | 14.80*** |
α ARCH Response to squared shocks | 0.0129 | 1.71* |
β GARCH Volatility persistence | 0.1541 | 3.31*** |
γ leverage Additional response to negative shocks | 0.3885 | 2.56** |
Persistence:
0.361
Half-life:
1 days
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