V-Lab
Creo Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 29th, 2026
1 Day
9,158.51
increased by 5,991.63
1 Week
5,370.78
increased by 2,203.90
1 Month
3,558.29
increased by 391.41
Analysis last updated: Tuesday, September 29, 2026 at 07:56 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 8, 1994 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 19 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 | 0.6591 | 3.64*** |
| αARCH | 0.1721 | 12.75*** |
| βGARCH | 0.7929 | 50.28*** |
Spline Coefficients
K=10
| γ1 | -0.3189 | -2.55** |
| γ2 | 0.7098 | 4.08*** |
| γ3 | -0.8659 | -8.66*** |
| γ4 | 1.0074 | 11.05*** |
| γ5 | -1.0200 | -11.24*** |
| γ6 | 0.7334 | 7.91*** |
| γ7 | -0.5869 | -5.92*** |
| γ8 | 0.7612 | 7.56*** |
| γ9 | -0.5545 | -5.40*** |
| γ10 | 0.1610 | 0.99 |
0.965
Persistence19d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6591 | 3.64*** |
α ARCH Response to squared shocks | 0.1721 | 12.75*** |
β GARCH Volatility persistence | 0.7929 | 50.28*** |
Spline Coefficients
K=10
| γ1 | -0.3189 | -2.55** |
| γ2 | 0.7098 | 4.08*** |
| γ3 | -0.8659 | -8.66*** |
| γ4 | 1.0074 | 11.05*** |
| γ5 | -1.0200 | -11.24*** |
| γ6 | 0.7334 | 7.91*** |
| γ7 | -0.5869 | -5.92*** |
| γ8 | 0.7612 | 7.56*** |
| γ9 | -0.5545 | -5.40*** |
| γ10 | 0.1610 | 0.99 |
Persistence:
0.965
Half-life:
19 days
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