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V-Lab

British American Tobacco Kenya Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, July 27th, 2026

1 Day

1,080.16

decreased by 28.53

1 Week

1,189.56

increased by 80.87

1 Month

1,638.07

increased by 529.38

Analysis last updated: Sunday, July 26, 2026 at 03:56 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of British American Tobacco Kenya Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 14, 1991 to Jul 24, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 4 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.8158
5.51***
α

ARCH

Response to squared shocks

0.0732
5.03***
β

GARCH

Volatility persistence

0.7719
13.14***
γi Spline Coefficients
K=7
γ10.1554
5.06***
γ2-0.3120
-6.60***
γ30.2807
5.36***
γ4-0.1570
-2.87***
γ50.0520
1.13
γ6-0.0642
-1.62
γ7-0.0404
-0.84

Persistence:

0.845

Half-life:

4 days