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V-Lab

British American Tobacco Kenya Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, August 24th, 2026

1 Day

1,170.39

decreased by 98.84

1 Week

1,414.80

increased by 145.57

1 Month

1,162.17

decreased by 107.06

Analysis last updated: Sunday, August 23, 2026 at 12:13 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 Aug 21, 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

2.8048
5.50***
α

ARCH

Response to squared shocks

0.0732
5.04***
β

GARCH

Volatility persistence

0.7719
13.18***
γi Spline Coefficients
K=7
γ10.1527
4.99***
γ2-0.3077
-6.59***
γ30.2789
5.41***
γ4-0.1569
-2.91***
γ50.0520
1.14
γ6-0.0649
-1.64
γ7-0.0401
-0.84

Persistence:

0.845

Half-life:

4 days