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V-Lab

Loreal Sa GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

23.43%

decreased by 0.66%

1 Week

23.43%

decreased by 0.66%

1 Month

23.42%

decreased by 0.67%

Analysis last updated: Tuesday, July 14, 2026 at 05:56 PM UTC

Date Range:

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6M ·

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graph of Loreal Sa GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 4, 2017 to Jul 10, 2026

Model Insight

Volatility shocks decay with a half-life of 29 trading days, meaning a shock loses half its impact after approximately 29 days. Returns follow a Student-t distribution with v = 3.89 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

2.1696
3.50***
α

ARCH

Response to squared shocks

0.0394
8.34***
β

GARCH

Volatility persistence

0.9762
157.78***
ν

DF

Student-t tail thickness

3.8869
3.59***

Persistence:

0.976

Half-life:

29 days