V-Lab
Ventia Services Group Pty Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, October 7th, 2026
1 Day
28.08%
decreased by 0.03%
1 Week
30.78%
increased by 2.67%
1 Month
31.63%
increased by 3.52%
Analysis last updated: Wednesday, October 7, 2026 at 08:16 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 23, 2021 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 1-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.6369 | 3.62*** |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.1568 | 0.83 |
| γleverage | 0.3797 | 0.66 |
0.347
Persistence1d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.6369 | 3.62*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.1568 | 0.83 |
γ leverage Additional response to negative shocks | 0.3797 | 0.66 |
Persistence:
0.347
Half-life:
1 days
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