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Sivers Semiconductors Ab AGARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

126.24%

decreased by 7.55%

1 Week

124.25%

decreased by 9.54%

1 Month

117.35%

decreased by 16.44%

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 AGARCH

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 24 trading days, meaning a shock loses half its impact after approximately 24 days.

σ

AGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 24-day half-life
ParamValuet-stat
ωconst0.7429
2.21**
αARCH0.0923
3.48***
βGARCH0.8798
34.69***
γleverage-0.2432
-0.18

0.972

Persistence

24d

Half-life
σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.7429
2.21**
α

ARCH

Response to squared shocks

0.0923
3.48***
β

GARCH

Volatility persistence

0.8798
34.69***
γ

leverage

Additional response to negative shocks

-0.2432
-0.18

Persistence:

0.972

Half-life:

24 days