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Landi Renzo SPA GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

42.51%

decreased by 3.39%

1 Week

44.90%

decreased by 1.00%

1 Month

50.12%

increased by 4.22%

Analysis last updated: Wednesday, August 26, 2026 at 08:11 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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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 Aug 21, 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

12.4942
5.16***
α

ARCH

Response to squared shocks

0.1570
19.91***
β

GARCH

Volatility persistence

0.9152
56.32***
ν

DF

Student-t tail thickness

2.8190
18.31***

Persistence:

0.915

Half-life:

8 days