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Loreal Sa GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

26.52%

decreased by 1.05%

1 Week

26.39%

decreased by 1.18%

1 Month

25.92%

decreased by 1.65%

Analysis last updated: Wednesday, September 16, 2026 at 03:12 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 Sep 14, 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 = 3.98 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 29-day half-lifev = 3.98 · fat tails
ParamValuet-stat
ωconst2.1692
0.92
αARCH0.0396
2.12**
βGARCH0.9767
42.04***
νDF3.9789
0.90

0.977

Persistence

29d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.1692
0.92
α

ARCH

Response to squared shocks

0.0396
2.12**
β

GARCH

Volatility persistence

0.9767
42.04***
ν

DF

Student-t tail thickness

3.9789
0.90

Persistence:

0.977

Half-life:

29 days