V-Lab
Saudi Industrial Export Co GAS-GARCH Student T Volatility Analysis
Volatility prediction for Sunday, October 4th, 2026
1 Day
176.93%
decreased by 11.48%
1 Week
183.41%
decreased by 5.00%
1 Month
207.00%
increased by 18.59%
Analysis last updated: Friday, October 2, 2026 at 09:04 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 14, 2005 to Oct 1, 2026Extended Optimization
Model Insight
The estimated Student-t degrees of freedom v = 2.01 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 = 2.01 sits at the infinite-variance boundary
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2,103.2153 | 1.90* |
| αARCH | 0.1018 | 35.19*** |
| βGARCH | 0.9977 | 869.03*** |
| νDF | 2.0091 | 4,924.36*** |
0.998
Persistence295d
Half-life𝑓
GAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2,103.2153 | 1.90* |
α ARCH Response to squared shocks | 0.1018 | 35.19*** |
β GARCH Volatility persistence | 0.9977 | 869.03*** |
ν DF Student-t tail thickness | 2.0091 | 4,924.36*** |
Persistence:
0.998
Half-life:
295 days
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