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V-Lab

Luxembourg Stock Exchange LuxX Index AGARCH Volatility Analysis

Volatility prediction for Monday, July 13th, 2026

1 Day

24.21%

decreased by 0.16%

1 Week

24.10%

decreased by 0.27%

1 Month

23.73%

decreased by 0.64%

Analysis last updated: Saturday, July 11, 2026 at 05:47 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Luxembourg Stock Exchange LuxX Index AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 4, 1999 to Jul 10, 2026

Model Insight

The news-impact curve is shifted (γ = 0.26) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0316
16.35***
α

ARCH

Response to squared shocks

0.0918
33.17***
β

GARCH

Volatility persistence

0.8875
293.31***
γ

leverage

Additional response to negative shocks

0.2586
11.88***

Persistence:

0.979

Half-life:

33 days