V-Lab
Luna Innovations Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
60.60%
increased by 0.88%
1 Week
62.75%
increased by 3.03%
1 Month
69.82%
increased by 10.10%
Analysis last updated: Saturday, August 22, 2026 at 01:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 2, 2006 to Aug 21, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 39% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8189 | 10.23*** |
α ARCH Response to squared shocks | 0.0702 | 10.73*** |
β GARCH Volatility persistence | 0.8967 | 154.54*** |
γ leverage Additional response to negative shocks | 0.0277 | 1.96** |
Persistence:
0.981
Half-life:
36 days
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