V-Lab
NX Filtration N.V. Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, October 7th, 2026
1 Day
64.23%
decreased by 0.67%
1 Week
73.61%
increased by 8.71%
1 Month
78.56%
increased by 13.66%
Analysis last updated: Wednesday, October 7, 2026 at 06:41 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 15, 2021 to Oct 2, 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
Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.7381 | 4.03*** |
| αARCH | 0.2461 | 4.20*** |
| βGARCH | 0.3257 | 3.01*** |
Spline Coefficients
K=10
| γ1 | 5.8188 | 1.94* |
| γ2 | -7.6694 | -1.62 |
| γ3 | 1.1890 | 0.32 |
| γ4 | 4.7791 | 1.39 |
| γ5 | -4.0573 | -1.20 |
| γ6 | -5.6456 | -1.34 |
| γ7 | 9.5619 | 2.41** |
| γ8 | -7.7456 | -2.53** |
| γ9 | 9.7178 | 3.67*** |
| γ10 | -8.9736 | -4.23*** |
0.572
Persistence1d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7381 | 4.03*** |
α ARCH Response to squared shocks | 0.2461 | 4.20*** |
β GARCH Volatility persistence | 0.3257 | 3.01*** |
Spline Coefficients
K=10
| γ1 | 5.8188 | 1.94* |
| γ2 | -7.6694 | -1.62 |
| γ3 | 1.1890 | 0.32 |
| γ4 | 4.7791 | 1.39 |
| γ5 | -4.0573 | -1.20 |
| γ6 | -5.6456 | -1.34 |
| γ7 | 9.5619 | 2.41** |
| γ8 | -7.7456 | -2.53** |
| γ9 | 9.7178 | 3.67*** |
| γ10 | -8.9736 | -4.23*** |
Persistence:
0.572
Half-life:
1 days
Other NX Filtration N.V. Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities