Hongmian Zhihui Science And Technology Innovation Co Ltd Guangzhou Asymmetric ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Wednesday, October 21st, 2026
1 Day
113.53
1 Week
110.61
1 Month
102.83
Analysis last updated: Wednesday, October 21, 2026 at 06:30 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 8, 1993 to Oct 16, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
ILLIQ-AMEM Model
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| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 0.76 |
| αARCH | 0.1268 | 2.31** |
| βGARCH | 0.7998 | 38.10*** |
| γleverage | 0.1468 | 1.91* |
1.000
Persistence1386294d
Half-lifeILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.76 |
α ARCH Response to squared shocks | 0.1268 | 2.31** |
β GARCH Volatility persistence | 0.7998 | 38.10*** |
γ leverage Additional response to negative shocks | 0.1468 | 1.91* |
Persistence:
1.000
Half-life:
1386294 days
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