V-Lab
Christian Dior SE GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, October 7th, 2026
1 Day
893.16%
increased by 3.94%
1 Week
892.34%
increased by 3.12%
1 Month
889.09%
decreased by 0.13%
Analysis last updated: Wednesday, October 7, 2026 at 06:08 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 17, 2020 to Oct 2, 2026Model Insight
The estimated Student-t degrees of freedom v = 2.00 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.
𝑓
GAS-GARCH-T Model
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Unreliable tails: v = 2.00 sits at the infinite-variance boundary
| Param | Value | t-stat |
|---|---|---|
| ωconst | 264.7561 | 1.72* |
| αARCH | 0.1002 | 25.61*** |
| βGARCH | 0.9990 | 1,662.23*** |
| νDF | 2.0006 |
0.999
Persistence693d
Half-life𝑓
GAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 264.7561 | 1.72* |
α ARCH Response to squared shocks | 0.1002 | 25.61*** |
β GARCH Volatility persistence | 0.9990 | 1,662.23*** |
ν DF Student-t tail thickness | 2.0006 |
Persistence:
0.999
Half-life:
693 days
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