V-Lab
Landi Renzo SPA GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
40.05%
decreased by 1.38%
1 Week
41.36%
decreased by 0.07%
1 Month
45.32%
increased by 3.89%
Analysis last updated: Wednesday, August 26, 2026 at 08:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 26, 2007 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 158% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4285 | 11.69*** |
α ARCH Response to squared shocks | 0.0652 | 10.19*** |
β GARCH Volatility persistence | 0.8502 | 115.31*** |
γ leverage Additional response to negative shocks | 0.1030 | 6.21*** |
Persistence:
0.967
Half-life:
21 days
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