V-Lab
Ex-pack Corrugated Cartons Ltd Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Thursday, September 17th, 2026
1 Day
234,929.90
decreased by 7,189.90
1 Week
241,032.92
decreased by 1,086.88
1 Month
278,788.56
increased by 36,668.76
Analysis last updated: Thursday, September 17, 2026 at 08:26 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 10, 2021 to Sep 14, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 77016 trading days (~305.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~77016 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.7145 | 0.10 |
| αARCH | 0.2605 | 0.00 |
| βGARCH | 0.7395 | 0.00 |
Spline Coefficients
K=8
| γ1 | -4.7025 | 0.00 |
| γ2 | 5.8891 | 0.00 |
| γ3 | 5.9269 | 0.00 |
| γ4 | 13.4067 | 0.05 |
| γ5 | -59.7493 | 0.00 |
| γ6 | 61.1213 | 0.00 |
| γ7 | -27.1373 | 0.00 |
| γ8 | 10.6181 | 0.00 |
1.000
Persistence77016d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7145 | 0.10 |
α ARCH Response to squared shocks | 0.2605 | 0.00 |
β GARCH Volatility persistence | 0.7395 | 0.00 |
Spline Coefficients
K=8
| γ1 | -4.7025 | 0.00 |
| γ2 | 5.8891 | 0.00 |
| γ3 | 5.9269 | 0.00 |
| γ4 | 13.4067 | 0.05 |
| γ5 | -59.7493 | 0.00 |
| γ6 | 61.1213 | 0.00 |
| γ7 | -27.1373 | 0.00 |
| γ8 | 10.6181 | 0.00 |
Persistence:
1.000
Half-life:
77016 days
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