V-Lab
Nordic Semiconductor Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 11th, 2026
1 Day
45.14%
increased by 0.68%
1 Week
46.95%
increased by 2.49%
1 Month
49.21%
increased by 4.75%
Analysis last updated: Tuesday, August 11, 2026 at 09:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 22, 2000 to Aug 7, 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 3 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1216 | 6.63*** |
α ARCH Response to squared shocks | 0.1040 | 4.26*** |
β GARCH Volatility persistence | 0.6907 | 10.13*** |
Spline Coefficients
K=10
| γ1 | -0.3316 | -2.19** |
| γ2 | 0.5686 | 2.20** |
| γ3 | -0.3061 | -1.70* |
| γ4 | -0.0239 | -0.21 |
| γ5 | 0.2152 | 2.29** |
| γ6 | -0.1538 | -1.26 |
| γ7 | 0.0347 | 0.21 |
| γ8 | 0.0645 | 0.43 |
| γ9 | -0.1955 | -1.65* |
| γ10 | 0.1818 | 2.34** |
Persistence:
0.795
Half-life:
3 days
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