V-Lab
Shanghai Hi-Tech Control System Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 24th, 2026
1 Day
329.90
decreased by 67.97
1 Week
275.85
decreased by 122.02
1 Month
267.54
decreased by 130.33
Analysis last updated: Saturday, August 22, 2026 at 07:24 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 16, 2007 to Aug 21, 2026Model Insight
With persistence 0.992, illiquidity shocks have a half-life of 91 trading days (~0.4 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 | 1.1125 | 5.29*** |
α ARCH Response to squared shocks | 0.2622 | 21.73*** |
β GARCH Volatility persistence | 0.7302 | 68.59*** |
Spline Coefficients
K=6
| γ1 | -0.4359 | -2.32** |
| γ2 | 0.2830 | 0.80 |
| γ3 | 0.5912 | 2.05** |
| γ4 | -0.6747 | -4.01*** |
| γ5 | 0.3607 | 2.82*** |
| γ6 | -0.1243 | -0.60 |
Persistence:
0.992
Half-life:
91 days
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