V-Lab
Landi Renzo SPA GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
46.31%
decreased by 2.29%
1 Week
47.08%
decreased by 1.52%
1 Month
49.51%
increased by 0.91%
Analysis last updated: Wednesday, August 5, 2026 at 06:37 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 26, 2007 to Jul 31, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 156% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4312 | 11.74*** |
α ARCH Response to squared shocks | 0.0660 | 10.25*** |
β GARCH Volatility persistence | 0.8495 | 114.72*** |
γ leverage Additional response to negative shocks | 0.1027 | 6.18*** |
Persistence:
0.967
Half-life:
21 days
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