V-Lab
Infineon Technologies AG Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
53.15%
decreased by 2.17%
1 Week
52.64%
decreased by 2.68%
1 Month
50.95%
decreased by 4.37%
Analysis last updated: Saturday, August 22, 2026 at 08:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 10, 2000 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 20 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0410 | 4.52*** |
α ARCH Response to squared shocks | 0.0711 | 7.98*** |
β GARCH Volatility persistence | 0.8955 | 65.88*** |
Spline Coefficients
K=7
| γ1 | -0.1640 | -2.94*** |
| γ2 | 0.3220 | 4.03*** |
| γ3 | -0.2818 | -6.38*** |
| γ4 | 0.1867 | 4.30*** |
| γ5 | -0.0584 | -1.27 |
| γ6 | -0.0157 | -0.36 |
| γ7 | 0.0086 | 0.28 |
Persistence:
0.967
Half-life:
20 days
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