V-Lab
Leonardo Drs Inc GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, October 6th, 2026
1 Day
37.48%
decreased by 0.26%
1 Week
42.45%
increased by 4.71%
1 Month
56.29%
increased by 18.55%
Analysis last updated: Monday, October 5, 2026 at 09:24 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 1, 1993 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 30 trading days, meaning a shock loses half its impact after approximately 30 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 30-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9357 | 4.92*** |
| αARCH | 0.1546 | 5.01*** |
| βGARCH | 0.8117 | 35.99*** |
| γleverage | 0.0211 | 0.38 |
0.977
Persistence30d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9357 | 4.92*** |
α ARCH Response to squared shocks | 0.1546 | 5.01*** |
β GARCH Volatility persistence | 0.8117 | 35.99*** |
γ leverage Additional response to negative shocks | 0.0211 | 0.38 |
Persistence:
0.977
Half-life:
30 days
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