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V-Lab

Sivers Semiconductors Ab Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

117.63%

increased by 10.22%

1 Week

117.63%

increased by 10.22%

1 Month

117.63%

increased by 10.22%

Analysis last updated: Tuesday, August 25, 2026 at 08:16 PM UTC

Date Range:

from

to

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 Aug 21, 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.4472
3.58***
α

ARCH

Response to squared shocks

0.0788
3.91***
β

GARCH

Volatility persistence

0.8423
22.06***
γi Spline Coefficients
K=6
γ1-0.4090
-1.22
γ20.3291
0.69
γ30.4286
1.87*
γ4-0.6395
-3.96***
γ50.4883
3.26***
γ6-0.3115
-2.58***

Persistence:

0.921

Half-life:

8 days