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Bellini Nautica S P A GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

33.63%

increased by 0.05%

1 Week

39.23%

increased by 5.65%

1 Month

42.23%

increased by 8.65%

Analysis last updated: Wednesday, September 16, 2026 at 08:56 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Bellini Nautica S P A GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 15, 2022 to Sep 14, 2026

Model 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

Shock decay: Shocks decay with a 1-day half-life
ParamValuet-stat
ωconst3.1007
5.14***
αARCH0.3391
2.31**
βGARCH0.2374
2.13**
γleverage0.0101
0.04

0.582

Persistence

1d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.1007
5.14***
α

ARCH

Response to squared shocks

0.3391
2.31**
β

GARCH

Volatility persistence

0.2374
2.13**
γ

leverage

Additional response to negative shocks

0.0101
0.04

Persistence:

0.582

Half-life:

1 days