V-Lab
Boeing Co/The GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
28.37%
increased by 0.17%
1 Week
28.50%
increased by 0.30%
1 Month
29.00%
increased by 0.80%
Analysis last updated: Friday, September 11, 2026 at 11:45 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 11, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 217% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 217% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0559 | 2.57** |
| αARCH | 0.0270 | 2.87*** |
| βGARCH | 0.9312 | 128.83*** |
| γleverage | 0.0584 | 2.17** |
0.987
Persistence54d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0559 | 2.57** |
α ARCH Response to squared shocks | 0.0270 | 2.87*** |
β GARCH Volatility persistence | 0.9312 | 128.83*** |
γ leverage Additional response to negative shocks | 0.0584 | 2.17** |
Persistence:
0.987
Half-life:
54 days
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