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Sivers Semiconductors Ab GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, October 29th, 2026

1 Day

85.98%

decreased by 8.89%

1 Week

85.19%

decreased by 9.68%

1 Month

82.54%

decreased by 12.33%

Analysis last updated: Friday, October 30, 2026 at 12:09 AM UTC

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Date Range:

from

10/28/2024

to

10/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sivers Semiconductors Ab GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 17, 2014 to Oct 23, 2026

Model Insight

Volatility shocks decay with a half-life of 22 trading days, meaning a shock loses half its impact after approximately 22 days. Returns follow a Student-t distribution with v = 4.11 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 22-day half-lifev = 4.11 · fat tails
ParamValuet-stat
ωlong-run20.3735
1.15
αscore0.1031
5.69***
βpersistence0.9693
33.98***
νDF4.1060
2.07**

0.969

Persistence

22d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

20.3735
1.15
α

score

Weight on the scaled score

0.1031
5.69***
β

persistence

Volatility persistence

0.9693
33.98***
ν

DF

Student-t tail thickness

4.1060
2.07**

Persistence:

0.969

Half-life:

22 days