V-Lab
Guangdong Dcenti Auto-Parts Stock Ltd Co EGARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
35.33%
decreased by 2.93%
1 Week
37.70%
decreased by 0.56%
1 Month
44.08%
increased by 5.82%
Analysis last updated: Friday, September 11, 2026 at 06:23 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 20, 2017 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
EGARCH Model
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Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2072 | 4.68*** |
| αARCH | 0.2897 | 7.46*** |
| βGARCH | 0.9136 | 48.84*** |
| γleverage | 0.0349 | 1.06 |
0.914
Persistence8d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2072 | 4.68*** |
α ARCH Response to squared shocks | 0.2897 | 7.46*** |
β GARCH Volatility persistence | 0.9136 | 48.84*** |
γ leverage Additional response to negative shocks | 0.0349 | 1.06 |
Persistence:
0.914
Half-life:
8 days
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