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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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Altria Group Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model 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
ParamValuet-stat
ωconst0.0342
4.18***
αARCH0.0414
4.11***
βGARCH0.9294
94.47***
γleverage0.0364
2.08**

0.989

Persistence

63d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-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