V-Lab
Egyptian Financial Group Hermes Stock Market Index EGARCH Volatility Analysis
Volatility prediction for Sunday, August 16th, 2026
1 Day
15.86%
increased by 0.20%
1 Week
16.90%
increased by 1.24%
1 Month
19.70%
increased by 4.04%
Analysis last updated: Friday, August 14, 2026 at 10:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1995 to Aug 13, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 40% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0672 | 10.13*** |
α ARCH Response to squared shocks | 0.2295 | 12.34*** |
β GARCH Volatility persistence | 0.9141 | 75.27*** |
γ leverage Additional response to negative shocks | -0.0386 | -5.91*** |
Persistence:
0.914
Half-life:
8 days
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