V-Lab
Altria Group Inc GJR-GARCH Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
30.29%
decreased by 0.97%
1 Week
30.25%
decreased by 1.01%
1 Month
30.10%
decreased by 1.16%
Analysis last updated: Thursday, September 3, 2026 at 09:49 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 28, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 89% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0333 | 4.15*** |
α ARCH Response to squared shocks | 0.0407 | 4.11*** |
β GARCH Volatility persistence | 0.9306 | 96.46*** |
γ leverage Additional response to negative shocks | 0.0363 | 2.10** |
Persistence:
0.989
Half-life:
65 days
Other Altria Group Inc Analyses
Other GJR-GARCH Analyses on Equities