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Landi Renzo SPA GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

42.71%

increased by 2.92%

1 Week

45.04%

increased by 5.25%

1 Month

50.13%

increased by 10.34%

Analysis last updated: Wednesday, September 16, 2026 at 06:04 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Landi Renzo SPA GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 26, 2007 to Sep 11, 2026

Model Insight

Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days. Returns follow a Student-t distribution with v = 2.82 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 8-day half-lifev = 2.82 · fat tails
ParamValuet-stat
ωconst12.4413
1.29
αARCH0.1566
4.98***
βGARCH0.9153
14.13***
νDF2.8222
4.56***

0.915

Persistence

8d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

12.4413
1.29
α

ARCH

Response to squared shocks

0.1566
4.98***
β

GARCH

Volatility persistence

0.9153
14.13***
ν

DF

Student-t tail thickness

2.8222
4.56***

Persistence:

0.915

Half-life:

8 days