V-Lab
Klepierre Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
402.32
decreased by 11.61
1 Week
431.04
increased by 17.11
1 Month
429.62
increased by 15.69
Analysis last updated: Saturday, September 19, 2026 at 08:18 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 28, 1991 to Sep 18, 2026Model Insight
With persistence 0.995, illiquidity shocks have a half-life of 130 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 0.995, shock half-life ~130 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.4288 | 4.27*** |
| αARCH | 0.0543 | 7.61*** |
| βGARCH | 0.9404 | 114.73*** |
Spline Coefficients
K=3
| γ1 | -0.0345 | -4.33*** |
| γ2 | 0.0676 | 5.21*** |
| γ3 | -0.0448 | -4.58*** |
0.995
Persistence130d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.4288 | 4.27*** |
α ARCH Response to squared shocks | 0.0543 | 7.61*** |
β GARCH Volatility persistence | 0.9404 | 114.73*** |
Spline Coefficients
K=3
| γ1 | -0.0345 | -4.33*** |
| γ2 | 0.0676 | 5.21*** |
| γ3 | -0.0448 | -4.58*** |
Persistence:
0.995
Half-life:
130 days
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