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Bellini Nautica S P A GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

50.45%

increased by 17.55%

1 Week

46.42%

increased by 13.52%

1 Month

43.99%

increased by 11.09%

Analysis last updated: Wednesday, October 7, 2026 at 07:27 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

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 Oct 2, 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
ωconst3.2654
5.23***
αARCH0.3250
2.24**
βGARCH0.2208
1.97**
γleverage0.0245
0.11

0.558

Persistence

1d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.2654
5.23***
α

ARCH

Response to squared shocks

0.3250
2.24**
β

GARCH

Volatility persistence

0.2208
1.97**
γ

leverage

Additional response to negative shocks

0.0245
0.11

Persistence:

0.558

Half-life:

1 days