V-Lab
Cybertech Systems & Software 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, September 30th, 2026
1 Day
7,147.21
1 Week
5,752.86
1 Month
5,683.73
Analysis last updated: Wednesday, September 30, 2026 at 07:27 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 13, 2005 to Sep 25, 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.
Asymmetry: Illiquidity rises 124% more after negative returns
ILLIQ-AMEM Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.0388 | 0.28 |
| αARCH | 0.0850 | 7.08*** |
| βGARCH | 0.8624 | 61.87*** |
| γleverage | 0.1051 | 4.01*** |
1.000
Persistence1386294d
Half-lifeILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.0388 | 0.28 |
α ARCH Response to squared shocks | 0.0850 | 7.08*** |
β GARCH Volatility persistence | 0.8624 | 61.87*** |
γ leverage Additional response to negative shocks | 0.1051 | 4.01*** |
Persistence:
1.000
Half-life:
1386294 days
Other Cybertech Systems & Software Analyses
Other Asymmetric ILLIQ Analyses on International Equities