V-Lab
Xexymix Corp Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
53.04%
decreased by 0.69%
1 Week
53.71%
decreased by 0.02%
1 Month
54.61%
increased by 0.88%
Analysis last updated: Sunday, August 23, 2026 at 12:36 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 13, 2020 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 3 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1282 | 3.54*** |
α ARCH Response to squared shocks | 0.1389 | 3.56*** |
β GARCH Volatility persistence | 0.6635 | 7.71*** |
Spline Coefficients
K=9
| γ1 | 2.2496 | 0.79 |
| γ2 | -3.7156 | -0.85 |
| γ3 | 3.5319 | 1.04 |
| γ4 | -5.0112 | -1.37 |
| γ5 | 6.3719 | 2.03** |
| γ6 | -4.4819 | -2.12** |
| γ7 | -1.4703 | -0.88 |
| γ8 | 5.2959 | 2.69*** |
| γ9 | -3.6613 | -2.12** |
Persistence:
0.802
Half-life:
3 days
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