V-Lab
Esteem Co Ltd EGARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
45.27%
decreased by 1.97%
1 Week
43.70%
decreased by 3.54%
1 Month
39.27%
decreased by 7.97%
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 18 trading days, meaning a shock loses half its impact after approximately 18 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 18-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0436 | 0.12 |
| αARCH | 0.1521 | 1.19 |
| βGARCH | 0.9613 | 11.24*** |
| γleverage | -0.2067 | -1.31 |
0.961
Persistence18d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0436 | 0.12 |
α ARCH Response to squared shocks | 0.1521 | 1.19 |
β GARCH Volatility persistence | 0.9613 | 11.24*** |
γ leverage Additional response to negative shocks | -0.2067 | -1.31 |
Persistence:
0.961
Half-life:
18 days
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