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CVS Health Corp Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 14th, 2026

1 Day

19.40

increased by 0.25

1 Week

19.73

increased by 0.58

1 Month

21.29

increased by 2.14

Analysis last updated: Friday, September 11, 2026 at 11:56 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 11, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1563 trading days (~6.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 97% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~1563 daysAsymmetry: Illiquidity rises 97% more after negative returns
ParamValuet-stat
ωconst0.0880
1.74*
αARCH0.0420
6.10***
βGARCH0.9371
127.27***
γleverage0.0408
3.50***

1.000

Persistence

1563d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0880
1.74*
α

ARCH

Response to squared shocks

0.0420
6.10***
β

GARCH

Volatility persistence

0.9371
127.27***
γ

leverage

Additional response to negative shocks

0.0408
3.50***

Persistence:

1.000

Half-life:

1563 days