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V-Lab

Volkswagen AG GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

39.91%

decreased by 2.01%

1 Week

39.69%

decreased by 2.23%

1 Month

38.91%

decreased by 3.01%

Analysis last updated: Tuesday, September 8, 2026 at 08:12 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Volkswagen AG 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 4, 2026

Model Insight

Volatility shocks decay with a half-life of 27 trading days, meaning a shock loses half its impact after approximately 27 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 27-day half-life
ParamValuet-stat
ωconst0.1233
6.68***
αARCH0.0607
5.40***
βGARCH0.8870
91.64***
γleverage0.0538
1.95*

0.975

Persistence

27d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1233
6.68***
α

ARCH

Response to squared shocks

0.0607
5.40***
β

GARCH

Volatility persistence

0.8870
91.64***
γ

leverage

Additional response to negative shocks

0.0538
1.95*

Persistence:

0.975

Half-life:

27 days