V-Lab
Showcase Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, September 24th, 2026
1 Day
10,320.32
increased by 924.48
1 Week
9,858.08
increased by 462.24
1 Month
6,853.44
decreased by 2,542.40
Analysis last updated: Sunday, September 20, 2026 at 12:24 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 19, 2015 to Sep 18, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 497 trading days (~2.0 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 0.999, shock half-life ~497 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.3732 | 1.90* |
| αARCH | 0.2230 | 16.81*** |
| βGARCH | 0.7756 | 58.98*** |
Spline Coefficients
K=1
| γ1 | 0.0348 | 1.95* |
0.999
Persistence497d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3732 | 1.90* |
α ARCH Response to squared shocks | 0.2230 | 16.81*** |
β GARCH Volatility persistence | 0.7756 | 58.98*** |
Spline Coefficients
K=1
| γ1 | 0.0348 | 1.95* |
Persistence:
0.999
Half-life:
497 days
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