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Boston Scientific Corp Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, August 31st, 2026

1 Day

23.25

decreased by 1.35

1 Week

22.94

decreased by 1.66

1 Month

19.79

decreased by 4.81

Analysis last updated: Friday, August 28, 2026 at 10:21 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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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 Aug 28, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 771 trading days (~3.1 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1164
2.28**
α

ARCH

Response to squared shocks

0.0467
7.00***
β

GARCH

Volatility persistence

0.9318
216.36***
γ

leverage

Additional response to negative shocks

0.0412
3.91***

Persistence:

0.999

Half-life:

771 days