V-Lab
Onterris Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
114.81%
decreased by 0.18%
1 Week
117.52%
increased by 2.53%
1 Month
118.22%
increased by 3.23%
Analysis last updated: Tuesday, August 25, 2026 at 09:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 23, 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.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0203 | 5.90*** |
α ARCH Response to squared shocks | 0.0780 | 1.46 |
β GARCH Volatility persistence | 0.1374 | 0.53 |
Spline Coefficients
K=10
| γ1 | -2.4069 | -1.55 |
| γ2 | 3.8675 | 1.71* |
| γ3 | -0.6371 | -0.36 |
| γ4 | -2.9011 | -1.48 |
| γ5 | 4.1029 | 1.85* |
| γ6 | -3.3073 | -1.45 |
| γ7 | 3.1859 | 1.57 |
| γ8 | -6.0944 | -2.45** |
| γ9 | 9.2428 | 3.48*** |
| γ10 | -7.3264 | -3.46*** |
Persistence:
0.215
Half-life:
0 days
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