V-Lab
Range International Limited GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
175.21%
decreased by 4.99%
1 Week
176.65%
decreased by 3.55%
1 Month
182.26%
increased by 2.06%
Analysis last updated: Wednesday, August 26, 2026 at 07:16 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 22, 2016 to Aug 21, 2026Model Insight
With persistence 0.999, volatility shocks have a half-life of 630 trading days (~2.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1423 | 4.74*** |
α ARCH Response to squared shocks | 0.0844 | 6.29*** |
β GARCH Volatility persistence | 0.9053 | 118.95*** |
γ leverage Additional response to negative shocks | 0.0183 | 0.85 |
Persistence:
0.999
Half-life:
630 days
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