V-Lab
Van Lanschot Kempen NV Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 29th, 2026
1 Day
3,016.22
increased by 239.46
1 Week
2,680.74
decreased by 96.02
1 Month
2,264.88
decreased by 511.88
Analysis last updated: Tuesday, September 29, 2026 at 08:11 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 22, 2018 to Sep 25, 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 62 trading days.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2748 | 7.61*** |
| αARCH | 0.0977 | 8.99*** |
| βGARCH | 0.8912 | 73.70*** |
Spline Coefficients
K=1
| γ1 | -0.0517 | -3.13*** |
0.989
Persistence62d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2748 | 7.61*** |
α ARCH Response to squared shocks | 0.0977 | 8.99*** |
β GARCH Volatility persistence | 0.8912 | 73.70*** |
Spline Coefficients
K=1
| γ1 | -0.0517 | -3.13*** |
Persistence:
0.989
Half-life:
62 days
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