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V-Lab

Loreal Sa GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

27.65%

decreased by 0.65%

1 Week

27.47%

decreased by 0.83%

1 Month

26.84%

decreased by 1.46%

Analysis last updated: Wednesday, August 26, 2026 at 07:21 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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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 Aug 21, 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 = 3.94 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

2.1781
3.57***
α

ARCH

Response to squared shocks

0.0397
8.36***
β

GARCH

Volatility persistence

0.9764
162.59***
ν

DF

Student-t tail thickness

3.9359
3.57***

Persistence:

0.976

Half-life:

29 days