V-Lab
Guan Chong Bhd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
42.75%
increased by 0.11%
1 Week
42.80%
increased by 0.16%
1 Month
43.00%
increased by 0.36%
Analysis last updated: Tuesday, August 25, 2026 at 07:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 15, 2005 to Aug 24, 2026Illiquid Asset
Model Insight
With persistence 0.997, volatility shocks have a half-life of 231 trading days (~0.9 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 | 0.0303 | 8.67*** |
α ARCH Response to squared shocks | 0.0168 | 7.98*** |
β GARCH Volatility persistence | 0.9777 | 824.40*** |
γ leverage Additional response to negative shocks | 0.0049 | 1.36 |
Persistence:
0.997
Half-life:
231 days
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