V-Lab
NX Filtration N.V. Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
52.37%
decreased by 1.19%
1 Week
58.91%
increased by 5.35%
1 Month
62.20%
increased by 8.64%
Analysis last updated: Saturday, August 8, 2026 at 08:02 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 15, 2021 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 1 trading day.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7044 | 4.08*** |
α ARCH Response to squared shocks | 0.2293 | 4.07*** |
β GARCH Volatility persistence | 0.3214 | 2.82*** |
Spline Coefficients
K=10
| γ1 | 5.6347 | 1.71* |
| γ2 | -7.0616 | -1.36 |
| γ3 | 0.1987 | 0.05 |
| γ4 | 5.2024 | 1.38 |
| γ5 | -2.5505 | -0.60 |
| γ6 | -8.1134 | -1.72* |
| γ7 | 11.0463 | 2.70*** |
| γ8 | -8.7848 | -2.08** |
| γ9 | 10.8274 | 2.71*** |
| γ10 | -9.3142 | -3.14*** |
Persistence:
0.551
Half-life:
1 days
Other NX Filtration N.V. Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities