V-Lab
Zai Lab Ltd Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, August 25th, 2026
1 Day
893.54
decreased by 23.59
1 Week
974.07
increased by 56.94
1 Month
1,358.03
increased by 440.90
Analysis last updated: Monday, August 24, 2026 at 09:15 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 20, 2017 to Aug 21, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 364 trading days (~1.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 87% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 5.18*** |
α ARCH Response to squared shocks | 0.0663 | 16.69*** |
β GARCH Volatility persistence | 0.9031 | 381.87*** |
γ leverage Additional response to negative shocks | 0.0575 | 8.17*** |
Persistence:
0.998
Half-life:
364 days
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