Skip to main content
V-Lab

Colruyt Group N.V Asymmetric ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Friday, July 31st, 2026

1 Day

5,111.13

decreased by 191.48

1 Week

5,240.17

decreased by 62.44

1 Month

5,548.41

increased by 245.80

Analysis last updated: Friday, July 31, 2026 at 06:01 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Colruyt Group N.V ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jul 4, 1990 to Jul 24, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 22% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.3717
8.50***
α

ARCH

Response to squared shocks

0.0523
24.66***
β

GARCH

Volatility persistence

0.9418
710.29***
γ

leverage

Additional response to negative shocks

0.0117
3.66***

Persistence:

1.000

Half-life:

1386294 days