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Boston Scientific Corp Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, November 2nd, 2026

1 Day

20.54

increased by 0.32

1 Week

20.74

increased by 0.52

1 Month

19.81

decreased by 0.41

Analysis last updated: Friday, October 30, 2026 at 09:59 PM UTC

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Date Range:

from

10/30/2024

to

10/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Boston Scientific Corp ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

May 20, 1992 to Oct 30, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 789 trading days (~3.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 87% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~789 daysAsymmetry: Illiquidity rises 87% more after negative returns
ParamValuet-stat
ωconst0.1120
2.22**
αARCH0.0468
7.03***
βGARCH0.9319
217.08***
γleverage0.0407
3.88***

0.999

Persistence

789d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1120
2.22**
α

ARCH

Response to squared shocks

0.0468
7.03***
β

GARCH

Volatility persistence

0.9319
217.08***
γ

leverage

Additional response to negative shocks

0.0407
3.88***

Persistence:

0.999

Half-life:

789 days