V-Lab
Aoba-BBT Inc 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 Tuesday, September 15th, 2026
1 Day
7,971.58
1 Week
3,996.30
1 Month
2,860.14
Analysis last updated: Wednesday, September 16, 2026 at 08:37 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 13, 2005 to Sep 14, 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
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 1.74* |
| αARCH | 0.1120 | 5.52*** |
| βGARCH | 0.8586 | 80.85*** |
| γleverage | 0.0589 | 1.95* |
1.000
Persistence1386294d
Half-lifeILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.74* |
α ARCH Response to squared shocks | 0.1120 | 5.52*** |
β GARCH Volatility persistence | 0.8586 | 80.85*** |
γ leverage Additional response to negative shocks | 0.0589 | 1.95* |
Persistence:
1.000
Half-life:
1386294 days
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