Skip to main content
V-Lab
V-Lab

Alphabet Inc Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

1.71

decreased by 0.06

1 Week

1.77

increased by 0.00

1 Month

1.81

increased by 0.04

Analysis last updated: Friday, September 18, 2026 at 10:26 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Alphabet Inc ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Aug 19, 2004 to Sep 18, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 640 trading days (~2.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: illiquidity responds almost entirely to negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~640 daysAsymmetry: illiquidity responds almost entirely to negative returns
ParamValuet-stat
ωconst0.0174
2.03**
αARCH0.0155
2.72***
βGARCH0.9502
215.36***
γleverage0.0664
4.98***

0.999

Persistence

640d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0174
2.03**
α

ARCH

Response to squared shocks

0.0155
2.72***
β

GARCH

Volatility persistence

0.9502
215.36***
γ

leverage

Additional response to negative shocks

0.0664
4.98***

Persistence:

0.999

Half-life:

640 days