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V-Lab

Planetel Spa GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, August 4th, 2026

1 Day

37.17%

decreased by 5.99%

1 Week

37.87%

decreased by 5.29%

1 Month

39.79%

decreased by 3.37%

Analysis last updated: Tuesday, August 4, 2026 at 06:32 PM UTC

Date Range:

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to

6M ·

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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 Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 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

7.5159
2.60***
α

ARCH

Response to squared shocks

0.1530
13.63***
β

GARCH

Volatility persistence

0.9457
41.86***
ν

DF

Student-t tail thickness

3.0028
11.34***

Persistence:

0.946

Half-life:

12 days