V-Lab
CAC 40 Index GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
12.98%
decreased by 0.45%
1 Week
13.39%
decreased by 0.04%
1 Month
14.76%
increased by 1.33%
Analysis last updated: Friday, August 7, 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 Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0358 | 20.61*** |
α ARCH Response to squared shocks | 0.1009 | 37.33*** |
β GARCH Volatility persistence | 0.8788 | 288.23*** |
Persistence:
0.980
Half-life:
34 days
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