V-Lab
Abbott Laboratories Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
13.99
decreased by 0.41
1 Week
15.03
increased by 0.63
1 Month
14.78
increased by 0.38
Analysis last updated: Monday, September 21, 2026 at 09:35 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Sep 18, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2069 trading days (~8.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 88% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~2069 daysAsymmetry: Illiquidity rises 88% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0422 | 1.45 |
| αARCH | 0.0322 | 6.52*** |
| βGARCH | 0.9533 | 295.61*** |
| γleverage | 0.0283 | 3.27*** |
1.000
Persistence2069d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0422 | 1.45 |
α ARCH Response to squared shocks | 0.0322 | 6.52*** |
β GARCH Volatility persistence | 0.9533 | 295.61*** |
γ leverage Additional response to negative shocks | 0.0283 | 3.27*** |
Persistence:
1.000
Half-life:
2069 days
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