General Electric Co GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, November 9th, 2026
1 Day
42.76%
1 Week
42.67%
1 Month
42.34%
Analysis last updated: Saturday, November 7, 2026 at 12:21 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Nov 6, 2026Model Insight
With persistence 0.996, volatility shocks have a half-life of 167 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 6.56 degrees of freedom, capturing fatter tails than a normal distribution.
GAS-GARCH-T Model
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| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 3.7768 | 1.39 |
| αscore | 0.0590 | 12.34*** |
| βpersistence | 0.9959 | 360.04*** |
| νDF | 6.5559 | 2.76*** |
0.996
Persistence167d
Half-lifeGAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω long-run Long-run variance given a price move | 3.7768 | 1.39 |
α score Weight on the scaled score | 0.0590 | 12.34*** |
β persistence Volatility persistence | 0.9959 | 360.04*** |
ν DF Student-t tail thickness | 6.5559 | 2.76*** |
Persistence:
0.996
Half-life:
167 days
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