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V-Lab

Bellini Nautica S P A GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

35.24%

increased by 1.66%

1 Week

39.90%

increased by 6.32%

1 Month

42.51%

increased by 8.93%

Analysis last updated: Wednesday, August 26, 2026 at 08:55 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 21, 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

3.0642
20.59***
α

ARCH

Response to squared shocks

0.3457
9.42***
β

GARCH

Volatility persistence

0.2383
8.61***
γ

leverage

Additional response to negative shocks

0.0109
0.19

Persistence:

0.589

Half-life:

1 days