CAC 40 Index EGARCH Volatility Analysis
Volatility prediction for Friday, July 17th, 2026
1 Day
13.80%
decreased by 0.48%
1 Week
14.03%
decreased by 0.25%
1 Month
14.89%
increased by 0.61%
Analysis last updated: Thursday, July 16, 2026 at 04:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 10, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0107 | 2.94*** |
α ARCH Response to squared shocks | 0.1227 | 29.11*** |
β GARCH Volatility persistence | 0.9769 | 583.57*** |
γ leverage Additional response to negative shocks | -0.1032 | -22.99*** |
Persistence:
0.977
Half-life:
30 days
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