V-Lab
Esteem Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
41.71%
decreased by 2.34%
1 Week
42.17%
decreased by 1.88%
1 Month
43.25%
decreased by 0.80%
Analysis last updated: Friday, September 11, 2026 at 08:40 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 6, 2026 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.6441 | 0.29 |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.8004 | 9.05*** |
| γleverage | 0.2365 | 1.16 |
0.919
Persistence8d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6441 | 0.29 |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8004 | 9.05*** |
γ leverage Additional response to negative shocks | 0.2365 | 1.16 |
Persistence:
0.919
Half-life:
8 days
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