GoHealth Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, July 13th, 2026
1 Day
137.56%
decreased by 2.79%
1 Week
147.37%
increased by 7.02%
1 Month
151.94%
increased by 11.59%
Analysis last updated: Saturday, July 11, 2026 at 09:27 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 15, 2020 to Jul 10, 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 | 0.9456 | 3.33*** |
α ARCH Response to squared shocks | 0.1361 | 2.21** |
β GARCH Volatility persistence | 0.3732 | 2.15** |
Spline Coefficients
K=10
| γ1 | 1.5373 | 0.26 |
| γ2 | -0.0200 | 0.00 |
| γ3 | -3.7906 | -0.70 |
| γ4 | 3.7866 | 1.29 |
| γ5 | -5.4786 | -1.82* |
| γ6 | 8.9171 | 3.25*** |
| γ7 | -6.5622 | -2.74*** |
| γ8 | 0.0304 | 0.01 |
| γ9 | 5.2690 | 1.92* |
| γ10 | -5.9991 | -2.56** |
Persistence:
0.509
Half-life:
1 days
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