V-Lab
Leonardo Drs Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
41.88%
increased by 0.52%
1 Week
46.31%
increased by 4.95%
1 Month
58.97%
increased by 17.61%
Analysis last updated: Friday, August 14, 2026 at 09:41 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 1, 1993 to Aug 14, 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 | 0.9642 | 19.79*** |
α ARCH Response to squared shocks | 0.1543 | 19.89*** |
β GARCH Volatility persistence | 0.8103 | 142.13*** |
γ leverage Additional response to negative shocks | 0.0221 | 1.58 |
Persistence:
0.976
Half-life:
28 days
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