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V-Lab

Planetel Spa GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, October 29th, 2026

1 Day

45.98%

decreased by 3.00%

1 Week

43.85%

decreased by 5.13%

1 Month

39.92%

decreased by 9.06%

Analysis last updated: Thursday, October 29, 2026 at 09:38 PM UTC

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Date Range:

from

10/28/2024

to

10/28/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Planetel Spa GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 15, 2021 to Oct 23, 2026

Model Insight

Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days. Returns follow a Student-t distribution with v = 6.26 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 4-day half-lifev = 6.26 · fat tails
ParamValuet-stat
ωlong-run5.3718
2.64***
αscore0.1647
2.11**
βpersistence0.8548
12.08***
νDF6.2559
0.60

0.855

Persistence

4d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

5.3718
2.64***
α

score

Weight on the scaled score

0.1647
2.11**
β

persistence

Volatility persistence

0.8548
12.08***
ν

DF

Student-t tail thickness

6.2559
0.60

Persistence:

0.855

Half-life:

4 days