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V-Lab

Goodtech ASA GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

49.66%

decreased by 1.73%

1 Week

47.49%

decreased by 3.90%

1 Month

43.68%

decreased by 7.71%

Analysis last updated: Sunday, July 26, 2026 at 12:05 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Goodtech ASA GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 3, 2020 to Jul 24, 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 = 3.29 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

6.6175
5.66***
α

ARCH

Response to squared shocks

0.1232
7.62***
β

GARCH

Volatility persistence

0.8466
35.80***
ν

DF

Student-t tail thickness

3.2899
5.05***

Persistence:

0.847

Half-life:

4 days