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Boston Scientific Corp Asymmetric ILLIQ Liquidity Analysis

Liquidity prediction for Monday, July 20th, 2026

1 Day

23.38

increased by 0.90

1 Week

21.69

decreased by 0.79

1 Month

20.60

decreased by 1.88

Analysis last updated: Friday, July 17, 2026 at 10:43 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Boston Scientific Corp ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's liquidity

Liquidity Forecast

How liquidity evolves over time

Parameter Estimates

May 20, 1992 to Jul 17, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 773 trading days (~3.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 90% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1172
9.06***
α

ARCH

Response to squared shocks

0.0466
27.94***
β

GARCH

Volatility persistence

0.9317
863.47***
γ

leverage

Additional response to negative shocks

0.0417
15.84***

Persistence:

0.999

Half-life:

773 days