Bellini Nautica S P A GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
34.47%
increased by 1.76%
1 Week
39.56%
increased by 6.85%
1 Month
42.12%
increased by 9.41%
Analysis last updated: Tuesday, July 14, 2026 at 07:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 15, 2022 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.2590 | 21.65*** |
α ARCH Response to squared shocks | 0.3375 | 8.83*** |
β GARCH Volatility persistence | 0.2036 | 7.45*** |
γ leverage Additional response to negative shocks | 0.0272 | 0.45 |
Persistence:
0.555
Half-life:
1 days
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