V-Lab
Altria Group Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
24.24%
decreased by 0.69%
1 Week
24.33%
decreased by 0.60%
1 Month
24.66%
decreased by 0.27%
Analysis last updated: Friday, September 18, 2026 at 11:37 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 18, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 88% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
Leverage: Negative returns increase volatility 88% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0342 | 4.18*** |
| αARCH | 0.0414 | 4.11*** |
| βGARCH | 0.9294 | 94.47*** |
| γleverage | 0.0364 | 2.08** |
0.989
Persistence63d
Half-lifeσ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0342 | 4.18*** |
α ARCH Response to squared shocks | 0.0414 | 4.11*** |
β GARCH Volatility persistence | 0.9294 | 94.47*** |
γ leverage Additional response to negative shocks | 0.0364 | 2.08** |
Persistence:
0.989
Half-life:
63 days
Other Altria Group Inc Analyses
Other GJR-GARCH Analyses on Equities