General Electric Co Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, November 9th, 2026
1 Day
41.00%
decreased by 0.21%
1 Week
40.43%
decreased by 0.78%
1 Month
38.55%
decreased by 2.66%
Analysis last updated: Saturday, November 7, 2026 at 12:20 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Nov 6, 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 20 trading days.
τ
Zero Slope Spline-GARCH Model
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Time-varying baseline: volatility reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8226 | 6.97*** |
| αARCH | 0.0714 | 6.99*** |
| βGARCH | 0.8945 | 58.61*** |
Spline Coefficients
K=8
| γ1 | 0.0320 | 1.46 |
| γ2 | 0.0001 | 0.00 |
| γ3 | -0.1318 | -4.12*** |
| γ4 | 0.2148 | 7.34*** |
| γ5 | -0.2219 | -8.14*** |
| γ6 | 0.2227 | 6.90*** |
| γ7 | -0.2022 | -6.03*** |
| γ8 | 0.1103 | 4.39*** |
0.966
Persistence20d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8226 | 6.97*** |
α ARCH Response to squared shocks | 0.0714 | 6.99*** |
β GARCH Volatility persistence | 0.8945 | 58.61*** |
Spline Coefficients
K=8
| γ1 | 0.0320 | 1.46 |
| γ2 | 0.0001 | 0.00 |
| γ3 | -0.1318 | -4.12*** |
| γ4 | 0.2148 | 7.34*** |
| γ5 | -0.2219 | -8.14*** |
| γ6 | 0.2227 | 6.90*** |
| γ7 | -0.2022 | -6.03*** |
| γ8 | 0.1103 | 4.39*** |
Persistence:
0.966
Half-life:
20 days
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