V-Lab
Apex Biotechnology Co Ltd Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
2,493.41
increased by 594.25
1 Week
1,720.39
decreased by 178.77
1 Month
1,508.30
decreased by 390.86
Analysis last updated: Friday, September 11, 2026 at 09:20 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 10, 2001 to Sep 4, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 249 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 109% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 0.997, shock half-life ~249 daysAsymmetry: Illiquidity rises 109% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.7171 | 2.97*** |
| αARCH | 0.0883 | 5.31*** |
| βGARCH | 0.8610 | 111.97*** |
| γleverage | 0.0960 | 3.70*** |
0.997
Persistence249d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.7171 | 2.97*** |
α ARCH Response to squared shocks | 0.0883 | 5.31*** |
β GARCH Volatility persistence | 0.8610 | 111.97*** |
γ leverage Additional response to negative shocks | 0.0960 | 3.70*** |
Persistence:
0.997
Half-life:
249 days
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