V-Lab
Luyuan Group Holding Cayman EGARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
39.14%
decreased by 3.60%
1 Week
41.19%
decreased by 1.55%
1 Month
45.97%
increased by 3.23%
Analysis last updated: Tuesday, September 8, 2026 at 08:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 11, 2023 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 6-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2439 | 2.60*** |
| αARCH | 0.2981 | 4.55*** |
| βGARCH | 0.8955 | 19.01*** |
| γleverage | -0.0079 | -0.08 |
0.896
Persistence6d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2439 | 2.60*** |
α ARCH Response to squared shocks | 0.2981 | 4.55*** |
β GARCH Volatility persistence | 0.8955 | 19.01*** |
γ leverage Additional response to negative shocks | -0.0079 | -0.08 |
Persistence:
0.896
Half-life:
6 days
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