V-Lab
Shanghai Hi-Tech Control System Co Ltd Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 31st, 2026
1 Day
266.98
increased by 15.84
1 Week
328.04
increased by 76.90
1 Month
236.83
decreased by 14.31
Analysis last updated: Saturday, August 29, 2026 at 08:00 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 16, 2007 to Aug 28, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 290 trading days (~1.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 183% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.9174 | 2.89*** |
α ARCH Response to squared shocks | 0.1122 | 6.73*** |
β GARCH Volatility persistence | 0.7826 | 108.37*** |
γ leverage Additional response to negative shocks | 0.2057 | 7.27*** |
Persistence:
0.998
Half-life:
290 days
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