V-Lab
NX Filtration N.V. Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 4th, 2026
1 Day
57.74%
decreased by 1.36%
1 Week
64.99%
increased by 5.89%
1 Month
68.59%
increased by 9.49%
Analysis last updated: Tuesday, August 4, 2026 at 06:34 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 15, 2021 to Jul 31, 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 | 1.7004 | 4.10*** |
α ARCH Response to squared shocks | 0.2278 | 4.05*** |
β GARCH Volatility persistence | 0.3178 | 2.77*** |
Spline Coefficients
K=10
| γ1 | 5.6454 | 1.72* |
| γ2 | -7.0842 | -1.37 |
| γ3 | 0.2225 | 0.06 |
| γ4 | 5.1720 | 1.38 |
| γ5 | -2.5067 | -0.59 |
| γ6 | -8.1672 | -1.74* |
| γ7 | 11.1105 | 2.72*** |
| γ8 | -8.8830 | -2.11** |
| γ9 | 11.0595 | 2.75*** |
| γ10 | -9.6942 | -3.19*** |
Persistence:
0.546
Half-life:
1 days
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