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Sivers Semiconductors Ab Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, October 29th, 2026

1 Day

107.19%

decreased by 2.85%

1 Week

110.02%

decreased by 0.02%

1 Month

116.66%

increased by 6.62%

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 S0GARCH

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

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 8 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.4376
3.63***
αARCH0.0763
3.93***
βGARCH0.8444
22.08***
∑γi Spline Coefficients
K=6
γ1-0.4216
-1.30
γ20.3666
0.80
γ30.3811
1.68*
γ4-0.6105
-3.70***
γ50.4892
3.25***
γ6-0.3258
-2.97***

0.921

Persistence

8d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.4376
3.63***
α

ARCH

Response to squared shocks

0.0763
3.93***
β

GARCH

Volatility persistence

0.8444
22.08***
∑γi Spline Coefficients
K=6
γ1-0.4216
-1.30
γ20.3666
0.80
γ30.3811
1.68*
γ4-0.6105
-3.70***
γ50.4892
3.25***
γ6-0.3258
-2.97***

Persistence:

0.921

Half-life:

8 days