Skip to main content
V-Lab

Loreal Sa GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

28.28%

increased by 0.84%

1 Week

28.08%

increased by 0.64%

1 Month

27.36%

decreased by 0.08%

Analysis last updated: Wednesday, August 5, 2026 at 05:54 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

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 31, 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

2.1797
3.51***
α

ARCH

Response to squared shocks

0.0395
8.28***
β

GARCH

Volatility persistence

0.9762
158.39***
ν

DF

Student-t tail thickness

3.8931
3.57***

Persistence:

0.976

Half-life:

29 days