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V-Lab

Grupo Comercial Chedraui SA de CV GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

19.15%

decreased by 0.77%

1 Week

19.62%

decreased by 0.30%

1 Month

21.13%

increased by 1.21%

Analysis last updated: Sunday, August 23, 2026 at 12:17 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Grupo Comercial Chedraui SA de CV GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 30, 2010 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days. Returns follow a Student-t distribution with v = 5.45 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

2.7724
6.59***
α

ARCH

Response to squared shocks

0.0638
13.56***
β

GARCH

Volatility persistence

0.9715
193.17***
ν

DF

Student-t tail thickness

5.4497
3.94***

Persistence:

0.971

Half-life:

24 days