V-Lab
Range International Limited GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
138.18%
decreased by 5.99%
1 Week
140.10%
decreased by 4.07%
1 Month
147.49%
increased by 3.32%
Analysis last updated: Tuesday, September 8, 2026 at 07:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 22, 2016 to Sep 4, 2026Model Insight
With persistence 0.999, volatility shocks have a half-life of 568 trading days (~2.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
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High persistence: persistence 0.999, shock half-life ~568 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1562 | 1.19 |
| αARCH | 0.0942 | 3.00*** |
| βGARCH | 0.9046 | 30.07*** |
0.999
Persistence568d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1562 | 1.19 |
α ARCH Response to squared shocks | 0.0942 | 3.00*** |
β GARCH Volatility persistence | 0.9046 | 30.07*** |
Persistence:
0.999
Half-life:
568 days
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