V-Lab
Egyptian EGX 30 Price Return Index MF2-GARCH Volatility Analysis
Volatility prediction for Sunday, September 27th, 2026
1 Day
18.87%
decreased by 0.48%
1 Week
19.23%
decreased by 0.12%
1 Month
19.42%
increased by 0.07%
Analysis last updated: Friday, September 25, 2026 at 08:56 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1998 to Sep 24, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 79% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 79% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 51 | |
| αARCH | 0.0817 | 2.84*** |
| βGARCH | 0.7564 | 12.54*** |
| γleverage | 0.0643 | 2.27** |
| λ₁tau intercept | 0.5667 | 2.77*** |
| λ₂forecast adj. | 0.7705 | 3.01*** |
| λ₃tau persistence | 0.0000 | 0.00 |
0.870
Persistence5d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 51 | |
α ARCH Response to squared shocks | 0.0817 | 2.84*** |
β GARCH Volatility persistence | 0.7564 | 12.54*** |
γ leverage Additional response to negative shocks | 0.0643 | 2.27** |
λ₁ tau intercept Baseline long-term coefficient | 0.5667 | 2.77*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.7705 | 3.01*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.870
Half-life:
5 days
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