V-Lab
Leonardo Drs Inc GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
54.59%
decreased by 1.19%
1 Week
57.55%
increased by 1.77%
1 Month
66.67%
increased by 10.89%
Analysis last updated: Tuesday, August 25, 2026 at 09:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 1, 1993 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 28 trading days, meaning a shock loses half its impact after approximately 28 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9637 | 19.81*** |
α ARCH Response to squared shocks | 0.1543 | 19.90*** |
β GARCH Volatility persistence | 0.8103 | 142.24*** |
γ leverage Additional response to negative shocks | 0.0220 | 1.58 |
Persistence:
0.976
Half-life:
28 days
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