V-Lab
Mustek Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
56.97%
increased by 2.56%
1 Week
56.72%
increased by 2.31%
1 Month
55.86%
increased by 1.45%
Analysis last updated: Friday, September 11, 2026 at 09:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 3, 1997 to Sep 10, 2026Model Insight
Volatility shocks decay with a half-life of 35 trading days, meaning a shock loses half its impact after approximately 35 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 35-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1957 | 4.38*** |
| αARCH | 0.0723 | 4.21*** |
| βGARCH | 0.8741 | 61.08*** |
| γleverage | 0.0681 | 1.73* |
0.980
Persistence35d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1957 | 4.38*** |
α ARCH Response to squared shocks | 0.0723 | 4.21*** |
β GARCH Volatility persistence | 0.8741 | 61.08*** |
γ leverage Additional response to negative shocks | 0.0681 | 1.73* |
Persistence:
0.980
Half-life:
35 days
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