V-Lab
Copartner Technology Co 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 Monday, July 27th, 2026
1 Day
656.08
increased by 86.07
1 Week
588.12
increased by 18.11
1 Month
414.57
decreased by 155.44
Analysis last updated: Sunday, July 26, 2026 at 06:05 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 11, 2007 to Jul 24, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 86643 trading days (~343.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7792 | 2.51** |
α ARCH Response to squared shocks | 0.1586 | 0.29 |
β GARCH Volatility persistence | 0.8414 | 1.52 |
Spline Coefficients
K=2
| γ1 | -0.1160 | -0.08 |
| γ2 | 0.1582 | 0.08 |
Persistence:
1.000
Half-life:
86643 days
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