V-Lab
Unipol Assicurazioni SpA GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
23.98%
decreased by 0.44%
1 Week
24.62%
increased by 0.20%
1 Month
26.07%
increased by 1.65%
Analysis last updated: Saturday, July 25, 2026 at 10:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 4, 2017 to Jul 24, 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
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2616 | 9.05*** |
α ARCH Response to squared shocks | 0.0089 | 3.56*** |
β GARCH Volatility persistence | 0.8480 | 91.35*** |
γ leverage Additional response to negative shocks | 0.1156 | 8.62*** |
Persistence:
0.915
Half-life:
8 days
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