V-Lab
Bella Casa Fashion & Retail EGARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
46.04%
decreased by 3.37%
1 Week
47.62%
decreased by 1.79%
1 Month
50.01%
increased by 0.60%
Analysis last updated: Tuesday, September 8, 2026 at 08:29 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 15, 2015 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.4265 | 3.55*** |
| αARCH | 0.2661 | 5.19*** |
| βGARCH | 0.8185 | 15.33*** |
| γleverage | 0.0513 | 1.05 |
0.819
Persistence3d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4265 | 3.55*** |
α ARCH Response to squared shocks | 0.2661 | 5.19*** |
β GARCH Volatility persistence | 0.8185 | 15.33*** |
γ leverage Additional response to negative shocks | 0.0513 | 1.05 |
Persistence:
0.819
Half-life:
3 days
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