Estun Automation Co Ltd EGARCH Volatility Analysis
Volatility prediction for Friday, October 16th, 2026
1 Day
0.05%
decreased by 6.61%
1 Week
0.12%
decreased by 6.54%
1 Month
1.93%
decreased by 4.73%
Analysis last updated: Friday, October 16, 2026 at 07:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 9, 2026 to Oct 9, 2026Model Insight
Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 14-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1333 | 0.21 |
| αARCH | -0.3561 | -0.02 |
| βGARCH | 0.9515 | 716.48*** |
| γleverage | 0.3493 | 0.02 |
0.951
Persistence14d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1333 | 0.21 |
α ARCH Response to squared shocks | -0.3561 | -0.02 |
β GARCH Volatility persistence | 0.9515 | 716.48*** |
γ leverage Additional response to negative shocks | 0.3493 | 0.02 |
Persistence:
0.951
Half-life:
14 days
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