V-Lab
Leonardo SpA GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
34.02%
increased by 1.84%
1 Week
34.30%
increased by 2.12%
1 Month
35.28%
increased by 3.10%
Analysis last updated: Wednesday, August 5, 2026 at 07:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Jul 31, 2026Model Insight
Volatility shocks decay with a half-life of 31 trading days, meaning a shock loses half its impact after approximately 31 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1429 | 10.02*** |
α ARCH Response to squared shocks | 0.0655 | 29.90*** |
β GARCH Volatility persistence | 0.9120 | 261.48*** |
Persistence:
0.978
Half-life:
31 days
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