Shanghai Hi-Tech Control System Co Ltd Asymmetric ILLIQ Liquidity Analysis
Liquidity prediction for Monday, July 20th, 2026
1 Day
427.75
increased by 99.36
1 Week
427.32
increased by 98.93
1 Month
424.37
increased by 95.98
Analysis last updated: Saturday, July 18, 2026 at 10:03 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Nov 16, 2007 to Jul 17, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 337 trading days (~1.3 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 | 3.8289 | 11.36*** |
α ARCH Response to squared shocks | 0.1128 | 26.91*** |
β GARCH Volatility persistence | 0.7818 | 430.53*** |
γ leverage Additional response to negative shocks | 0.2067 | 29.11*** |
Persistence:
0.998
Half-life:
337 days
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