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Sivers Semiconductors Ab GJR-GARCH Volatility Analysis

Volatility prediction for Thursday, October 29th, 2026

1 Day

84.94%

decreased by 3.81%

1 Week

84.79%

decreased by 3.96%

1 Month

84.24%

decreased by 4.51%

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 GJR-GARCH

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 28 trading days, meaning a shock loses half its impact after approximately 28 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 28-day half-life
ParamValuet-stat
ωconst0.6496
2.87***
αARCH0.0815
3.03***
βGARCH0.8924
41.22***
γleverage0.0031
0.05

0.975

Persistence

28d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.6496
2.87***
α

ARCH

Response to squared shocks

0.0815
3.03***
β

GARCH

Volatility persistence

0.8924
41.22***
γ

leverage

Additional response to negative shocks

0.0031
0.05

Persistence:

0.975

Half-life:

28 days