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Abbott Laboratories Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, October 20th, 2026

1 Day

12.45

decreased by 0.12

1 Week

12.84

increased by 0.27

1 Month

12.54

decreased by 0.03

Analysis last updated: Monday, October 19, 2026 at 09:34 PM UTC

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Date Range:

from

10/19/2024

to

10/19/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Abbott Laboratories ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 16, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 525 trading days (~2.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~525 days
ParamValuet-stat
ωconst1.0110
7.81***
αARCH0.0461
13.86***
βGARCH0.9526
284.95***
∑γi Spline Coefficients
K=1
γ1-0.0014
-1.45

0.999

Persistence

525d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0110
7.81***
α

ARCH

Response to squared shocks

0.0461
13.86***
β

GARCH

Volatility persistence

0.9526
284.95***
∑γi Spline Coefficients
K=1
γ1-0.0014
-1.45

Persistence:

0.999

Half-life:

525 days