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V-Lab

Loreal Sa GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

23.94%

decreased by 0.15%

1 Week

23.97%

decreased by 0.12%

1 Month

24.08%

decreased by 0.01%

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

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graph of Loreal Sa GJR-GARCH

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

With persistence 0.992, volatility shocks have a half-life of 82 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0219
6.01***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9608
387.28***
γ

leverage

Additional response to negative shocks

0.0615
10.41***

Persistence:

0.992

Half-life:

82 days