Skip to main content
V-Lab
V-Lab

CVS Health Corp Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

22.50

decreased by 0.69

1 Week

21.48

decreased by 1.71

1 Month

21.21

decreased by 1.98

Analysis last updated: Friday, September 18, 2026 at 11:20 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CVS Health Corp ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1538 trading days (~6.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 98% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~1538 daysAsymmetry: Illiquidity rises 98% more after negative returns
ParamValuet-stat
ωconst0.0887
1.75*
αARCH0.0419
6.10***
βGARCH0.9372
127.38***
γleverage0.0409
3.51***

1.000

Persistence

1538d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0887
1.75*
α

ARCH

Response to squared shocks

0.0419
6.10***
β

GARCH

Volatility persistence

0.9372
127.38***
γ

leverage

Additional response to negative shocks

0.0409
3.51***

Persistence:

1.000

Half-life:

1538 days