V-Lab
Saudi Industrial Export Co GJR-GARCH Volatility Analysis
Volatility prediction for Sunday, July 26th, 2026
1 Day
40.53%
decreased by 1.77%
1 Week
40.92%
decreased by 1.38%
1 Month
42.30%
decreased by 0.00%
Analysis last updated: Friday, July 24, 2026 at 08:13 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 14, 2005 to Jul 23, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 38% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1818 | 11.16*** |
α ARCH Response to squared shocks | 0.0755 | 10.20*** |
β GARCH Volatility persistence | 0.8923 | 140.77*** |
γ leverage Additional response to negative shocks | 0.0286 | 2.87*** |
Persistence:
0.982
Half-life:
38 days
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