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Wereldhave Belgium NV Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

52,914.70

decreased by 2,582.05

1 Week

64,341.58

increased by 8,844.83

1 Month

105,785.17

increased by 50,288.42

Analysis last updated: Saturday, September 19, 2026 at 06:16 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Wereldhave Belgium NV ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jun 18, 1998 to Sep 18, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 19 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.2354
7.00***
αARCH0.1224
12.77***
βGARCH0.8409
64.80***
γi Spline Coefficients
K=6
γ1-0.1396
-6.32***
γ20.2056
5.83***
γ3-0.0948
-3.34***
γ40.0155
0.57
γ50.0786
2.90***
γ6-0.1825
-4.32***

0.963

Persistence

19d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2354
7.00***
α

ARCH

Response to squared shocks

0.1224
12.77***
β

GARCH

Volatility persistence

0.8409
64.80***
γi Spline Coefficients
K=6
γ1-0.1396
-6.32***
γ20.2056
5.83***
γ3-0.0948
-3.34***
γ40.0155
0.57
γ50.0786
2.90***
γ6-0.1825
-4.32***

Persistence:

0.963

Half-life:

19 days