General Electric Co GJR-GARCH Volatility Analysis
Volatility prediction for Monday, November 9th, 2026
1 Day
37.76%
decreased by 0.40%
1 Week
37.79%
decreased by 0.37%
1 Month
37.90%
decreased by 0.26%
Analysis last updated: Saturday, November 7, 2026 at 12:17 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
With persistence 0.998, volatility shocks have a half-life of 412 trading days (~1.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 263% more than positive returns
σ
GJR-GARCH Model
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High persistence: persistence 0.998, shock half-life ~412 daysLeverage: Negative returns increase volatility 263% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0137 | 2.12** |
| αARCH | 0.0198 | 2.86*** |
| βGARCH | 0.9525 | 176.98*** |
| γleverage | 0.0520 | 3.30*** |
0.998
Persistence412d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0137 | 2.12** |
α ARCH Response to squared shocks | 0.0198 | 2.86*** |
β GARCH Volatility persistence | 0.9525 | 176.98*** |
γ leverage Additional response to negative shocks | 0.0520 | 3.30*** |
Persistence:
0.998
Half-life:
412 days
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