V-Lab
Bella Casa Fashion & Retail GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
38.60%
decreased by 1.39%
1 Week
41.36%
increased by 1.37%
1 Month
46.20%
increased by 6.21%
Analysis last updated: Tuesday, August 25, 2026 at 06:51 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 15, 2015 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2330 | 13.38*** |
α ARCH Response to squared shocks | 0.1603 | 12.98*** |
β GARCH Volatility persistence | 0.7310 | 50.63*** |
γ leverage Additional response to negative shocks | -0.0315 | -1.39 |
Persistence:
0.876
Half-life:
5 days
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