V-Lab
RTX Corp GJR-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
25.28%
decreased by 0.79%
1 Week
25.41%
decreased by 0.66%
1 Month
25.88%
decreased by 0.19%
Analysis last updated: Thursday, September 10, 2026 at 10:01 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
GJR-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0417 | 4.92*** |
| αARCH | 0.0081 | 1.42 |
| βGARCH | 0.9252 | 135.42*** |
| γleverage | 0.1108 | 6.50*** |
0.989
Persistence61d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0417 | 4.92*** |
α ARCH Response to squared shocks | 0.0081 | 1.42 |
β GARCH Volatility persistence | 0.9252 | 135.42*** |
γ leverage Additional response to negative shocks | 0.1108 | 6.50*** |
Persistence:
0.989
Half-life:
61 days
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