V-Lab
Christian Dior SE GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
31.41%
decreased by 0.18%
1 Week
31.38%
decreased by 0.21%
1 Month
31.27%
decreased by 0.32%
Analysis last updated: Wednesday, September 16, 2026 at 03:07 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 17, 2020 to Sep 14, 2026Model Insight
With persistence 0.991, volatility shocks have a half-life of 78 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
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High persistence: persistence 0.991, shock half-life ~78 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0311 | 2.03** |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.9723 | 81.37*** |
| γleverage | 0.0377 | 1.81* |
0.991
Persistence78d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0311 | 2.03** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9723 | 81.37*** |
γ leverage Additional response to negative shocks | 0.0377 | 1.81* |
Persistence:
0.991
Half-life:
78 days
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