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V-Lab

Bellini Nautica S P A GJR-GARCH Volatility Analysis

Volatility prediction for Friday, August 14th, 2026

1 Day

41.96%

decreased by 12.50%

1 Week

42.55%

decreased by 11.91%

1 Month

42.88%

decreased by 11.58%

Analysis last updated: Friday, August 14, 2026 at 07:25 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 Aug 7, 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.2343
21.90***
α

ARCH

Response to squared shocks

0.3388
9.01***
β

GARCH

Volatility persistence

0.2048
7.60***
γ

leverage

Additional response to negative shocks

0.0307
0.51

Persistence:

0.559

Half-life:

1 days