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V-Lab

Loreal Sa GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

24.27%

decreased by 0.37%

1 Week

24.29%

decreased by 0.35%

1 Month

24.37%

decreased by 0.27%

Analysis last updated: Wednesday, September 16, 2026 at 03:12 PM UTC

Date Range:

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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 Sep 14, 2026

Model Insight

With persistence 0.992, volatility shocks have a half-life of 81 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

High persistence: persistence 0.992, shock half-life ~81 days
ParamValuet-stat
ωconst0.0219
1.51
αARCH0.0000
0.00
βGARCH0.9609
96.74***
γleverage0.0612
2.59***

0.992

Persistence

81d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0219
1.51
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9609
96.74***
γ

leverage

Additional response to negative shocks

0.0612
2.59***

Persistence:

0.992

Half-life:

81 days