V-Lab
Xexymix Corp Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
45.95%
decreased by 0.38%
1 Week
48.89%
increased by 2.56%
1 Month
52.60%
increased by 6.27%
Analysis last updated: Sunday, August 9, 2026 at 12:46 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 13, 2020 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 | 1.1318 | 3.53*** |
α ARCH Response to squared shocks | 0.1385 | 3.59*** |
β GARCH Volatility persistence | 0.6652 | 7.68*** |
Spline Coefficients
K=9
| γ1 | 2.3215 | 0.80 |
| γ2 | -3.8377 | -0.86 |
| γ3 | 3.6369 | 1.05 |
| γ4 | -5.0900 | -1.37 |
| γ5 | 6.2812 | 2.02** |
| γ6 | -4.0762 | -1.97** |
| γ7 | -2.0155 | -1.17 |
| γ8 | 5.5988 | 2.59*** |
| γ9 | -3.6848 | -1.94* |
Persistence:
0.804
Half-life:
3 days
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