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Sivers Semiconductors Ab GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

131.71%

decreased by 4.39%

1 Week

129.93%

decreased by 6.17%

1 Month

123.63%

decreased by 12.47%

Analysis last updated: Friday, September 11, 2026 at 09:19 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sivers Semiconductors Ab GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 17, 2014 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 30 trading days, meaning a shock loses half its impact after approximately 30 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 30-day half-life
ParamValuet-stat
ωconst0.6310
2.86***
αARCH0.0812
3.02***
βGARCH0.8932
41.94***
γleverage0.0055
0.09

0.977

Persistence

30d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.6310
2.86***
α

ARCH

Response to squared shocks

0.0812
3.02***
β

GARCH

Volatility persistence

0.8932
41.94***
γ

leverage

Additional response to negative shocks

0.0055
0.09

Persistence:

0.977

Half-life:

30 days