V-Lab
Wereldhave Belgium NV Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, August 11th, 2026
1 Day
105,210.00
increased by 8,571.14
1 Week
85,715.27
decreased by 10,923.59
1 Month
110,141.28
increased by 13,502.42
Analysis last updated: Tuesday, August 11, 2026 at 06:12 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 18, 1998 to Aug 7, 2026Model 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 18 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2281 | 7.03*** |
α ARCH Response to squared shocks | 0.1219 | 12.70*** |
β GARCH Volatility persistence | 0.8409 | 64.08*** |
Spline Coefficients
K=6
| γ1 | -0.1410 | -6.34*** |
| γ2 | 0.2071 | 5.83*** |
| γ3 | -0.0940 | -3.27*** |
| γ4 | 0.0127 | 0.46 |
| γ5 | 0.0820 | 3.01*** |
| γ6 | -0.1820 | -4.44*** |
Persistence:
0.963
Half-life:
18 days
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