Abbott Laboratories Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, October 13th, 2026
1 Day
14.43
increased by 0.41
1 Week
14.47
increased by 0.45
1 Month
14.09
increased by 0.07
Analysis last updated: Monday, October 12, 2026 at 09:40 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Oct 9, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2087 trading days (~8.3 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
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High persistence: persistence 1.000, shock half-life ~2087 daysAsymmetry: Illiquidity rises 88% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0414 | 1.44 |
| αARCH | 0.0321 | 6.53*** |
| βGARCH | 0.9535 | 296.29*** |
| γleverage | 0.0281 | 3.25*** |
1.000
Persistence2087d
Half-lifeμ
ILLIQ-AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0414 | 1.44 |
α ARCH Response to squared shocks | 0.0321 | 6.53*** |
β GARCH Volatility persistence | 0.9535 | 296.29*** |
γ leverage Additional response to negative shocks | 0.0281 | 3.25*** |
Persistence:
1.000
Half-life:
2087 days
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