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Sivers Semiconductors Ab GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

82.84%

decreased by 4.35%

1 Week

82.36%

decreased by 4.83%

1 Month

80.73%

decreased by 6.46%

Analysis last updated: Wednesday, October 7, 2026 at 08:45 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

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 2, 2026

Model Insight

Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days. Returns follow a Student-t distribution with v = 3.38 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 24-day half-lifev = 3.38 · fat tails
ParamValuet-stat
ωconst21.4829
0.96
αARCH0.1014
6.23***
βGARCH0.9716
31.84***
νDF3.3760
3.40***

0.972

Persistence

24d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

21.4829
0.96
α

ARCH

Response to squared shocks

0.1014
6.23***
β

GARCH

Volatility persistence

0.9716
31.84***
ν

DF

Student-t tail thickness

3.3760
3.40***

Persistence:

0.972

Half-life:

24 days