V-Lab
General Electric Co Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
34.05%
decreased by 0.62%
1 Week
34.64%
decreased by 0.03%
1 Month
36.42%
increased by 1.75%
Analysis last updated: Friday, August 7, 2026 at 10:40 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 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 17 trading days.
τ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8114 | 7.24*** |
α ARCH Response to squared shocks | 0.0734 | 6.62*** |
β GARCH Volatility persistence | 0.8870 | 52.02*** |
Spline Coefficients
K=8
| γ1 | 0.0270 | 1.29 |
| γ2 | 0.0121 | 0.35 |
| γ3 | -0.1475 | -4.94*** |
| γ4 | 0.2338 | 8.69*** |
| γ5 | -0.2466 | -9.56*** |
| γ6 | 0.2540 | 7.81*** |
| γ7 | -0.2393 | -6.37*** |
| γ8 | 0.1788 | 3.69*** |
Persistence:
0.960
Half-life:
17 days
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