V-Lab
Arab CO. FOR AST M GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
43.21%
increased by 1.43%
1 Week
45.64%
increased by 3.86%
1 Month
51.70%
increased by 9.92%
Analysis last updated: Tuesday, August 25, 2026 at 06:29 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 18, 2018 to Aug 20, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 32% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8974 | 15.28*** |
α ARCH Response to squared shocks | 0.2066 | 12.28*** |
β GARCH Volatility persistence | 0.7007 | 51.12*** |
γ leverage Additional response to negative shocks | 0.0655 | 2.77*** |
Persistence:
0.940
Half-life:
11 days
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