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V-Lab

Planetel Spa GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, August 14th, 2026

1 Day

28.01%

decreased by 2.64%

1 Week

30.04%

decreased by 0.61%

1 Month

34.97%

increased by 4.32%

Analysis last updated: Friday, August 14, 2026 at 06:37 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

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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 Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days. Returns follow a Student-t distribution with v = 3.00 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

7.1697
2.69***
α

ARCH

Response to squared shocks

0.1553
12.57***
β

GARCH

Volatility persistence

0.9387
37.87***
ν

DF

Student-t tail thickness

2.9971
10.64***

Persistence:

0.939

Half-life:

11 days