V-Lab
S&P/ASX 200 GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
9.81%
decreased by 0.13%
1 Week
10.07%
increased by 0.13%
1 Month
10.90%
increased by 0.96%
Analysis last updated: Wednesday, August 5, 2026 at 07:25 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 29, 1992 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 | 0.0206 | 22.19*** |
α ARCH Response to squared shocks | 0.0135 | 6.79*** |
β GARCH Volatility persistence | 0.8943 | 422.03*** |
γ leverage Additional response to negative shocks | 0.1319 | 24.26*** |
Persistence:
0.974
Half-life:
26 days
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