V-Lab
Saudi Industrial Export Co Asy. MEM Volatility Analysis
Volatility prediction for Sunday, July 26th, 2026
1 Day
33.37%
decreased by 2.02%
1 Week
34.49%
decreased by 0.90%
1 Month
38.44%
increased by 3.05%
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
With persistence 0.992, volatility shocks have a half-life of 87 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 17% more than positive returns
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1872 | 16.54*** |
α ARCH Response to squared shocks | 0.1651 | 17.28*** |
β GARCH Volatility persistence | 0.8130 | 127.13*** |
γ leverage Additional response to negative shocks | 0.0279 | 2.33** |
Persistence:
0.992
Half-life:
87 days
Other Saudi Industrial Export Co Analyses
Other Asy. MEM Analyses on International Equities