V-Lab
Getinge Ab Publ Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
25.71%
decreased by 1.51%
1 Week
27.22%
decreased by 0.00%
1 Month
27.68%
increased by 0.46%
Analysis last updated: Saturday, August 22, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 6, 2012 to Aug 21, 2026Model 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 1 trading day.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5172 | 5.06*** |
α ARCH Response to squared shocks | 0.1606 | 3.32*** |
β GARCH Volatility persistence | 0.1524 | 1.27 |
Spline Coefficients
K=6
| γ1 | -0.3954 | -2.41** |
| γ2 | 0.5994 | 2.57** |
| γ3 | -0.3443 | -2.63*** |
| γ4 | 0.2115 | 1.96* |
| γ5 | -0.1559 | -1.81* |
| γ6 | 0.1418 | 2.62*** |
Persistence:
0.313
Half-life:
1 days
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