V-Lab
Kofola Ceskoslovensko AS Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, August 21st, 2026
1 Day
4,604.71
decreased by 326.97
1 Week
4,879.00
decreased by 52.68
1 Month
4,878.72
decreased by 52.96
Analysis last updated: Friday, August 21, 2026 at 06:35 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 2, 2015 to Aug 14, 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 14 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.6356 | 4.00*** |
α ARCH Response to squared shocks | 0.0678 | 3.84*** |
β GARCH Volatility persistence | 0.8838 | 33.37*** |
Spline Coefficients
K=9
| γ1 | 0.7389 | 0.64 |
| γ2 | -3.3349 | -1.83* |
| γ3 | 5.1182 | 4.91*** |
| γ4 | -3.6508 | -6.51*** |
| γ5 | 1.8687 | 3.23*** |
| γ6 | -0.8830 | -1.59 |
| γ7 | -0.4369 | -0.92 |
| γ8 | 0.9217 | 1.69* |
| γ9 | -0.0109 | -0.02 |
Persistence:
0.952
Half-life:
14 days
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