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V-Lab
V-Lab

Alphabet Inc Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 8th, 2026

1 Day

1.45

increased by 0.02

1 Week

1.42

decreased by 0.01

1 Month

1.50

increased by 0.07

Analysis last updated: Friday, September 4, 2026 at 09:52 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Alphabet Inc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Aug 19, 2004 to Sep 4, 2026

Model Insight

With persistence 0.991, illiquidity shocks have a half-life of 80 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 0.991, shock half-life ~80 days
ParamValuet-stat
ωconst1.1840
10.43***
αARCH0.0545
11.18***
βGARCH0.9369
179.03***
γi Spline Coefficients
K=1
γ1-0.0104
-8.38***

0.991

Persistence

80d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1840
10.43***
α

ARCH

Response to squared shocks

0.0545
11.18***
β

GARCH

Volatility persistence

0.9369
179.03***
γi Spline Coefficients
K=1
γ1-0.0104
-8.38***

Persistence:

0.991

Half-life:

80 days