Abbott Laboratories Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, November 3rd, 2026
1 Day
14.37
increased by 0.61
1 Week
13.86
increased by 0.10
1 Month
13.75
decreased by 0.01
Analysis last updated: Monday, November 2, 2026 at 10:23 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 30, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2287 trading days (~9.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 89% more after negative returns
μ
ILLIQ-AMEM Model
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High persistence: persistence 1.000, shock half-life ~2287 daysAsymmetry: Illiquidity rises 89% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0405 | 1.41 |
| αARCH | 0.0321 | 6.56*** |
| βGARCH | 0.9534 | 296.09*** |
| γleverage | 0.0284 | 3.31*** |
1.000
Persistence2287d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0405 | 1.41 |
α ARCH Response to squared shocks | 0.0321 | 6.56*** |
β GARCH Volatility persistence | 0.9534 | 296.09*** |
γ leverage Additional response to negative shocks | 0.0284 | 3.31*** |
Persistence:
1.000
Half-life:
2287 days
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