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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

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 Aug 28, 2026

Model 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

ParameterValuet-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