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V-Lab

Volkswagen AG GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

30.08%

increased by 1.26%

1 Week

30.24%

increased by 1.42%

1 Month

30.78%

increased by 1.96%

Analysis last updated: Sunday, July 26, 2026 at 12:34 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Volkswagen AG GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 41 trading days, meaning a shock loses half its impact after approximately 41 days. Returns follow a Student-t distribution with v = 5.83 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.7128
6.77***
α

ARCH

Response to squared shocks

0.0771
30.79***
β

GARCH

Volatility persistence

0.9833
368.98***
ν

DF

Student-t tail thickness

5.8346
7.65***

Persistence:

0.983

Half-life:

41 days