Skip to main content
V-Lab
V-Lab

British American Tobacco Kenya Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 22nd, 2026

1 Day

1,512.63

decreased by 168.84

1 Week

1,402.54

decreased by 278.93

1 Month

1,375.05

decreased by 306.42

Analysis last updated: Tuesday, September 22, 2026 at 08:00 PM 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 Sep 18, 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

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst2.7955
5.47***
αARCH0.0735
5.06***
βGARCH0.7726
13.34***
γi Spline Coefficients
K=7
γ10.1500
4.92***
γ2-0.3037
-6.58***
γ30.2773
5.45***
γ4-0.1572
-2.94***
γ50.0529
1.16
γ6-0.0677
-1.72*
γ7-0.0312
-0.65

0.846

Persistence

4d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.7955
5.47***
α

ARCH

Response to squared shocks

0.0735
5.06***
β

GARCH

Volatility persistence

0.7726
13.34***
γi Spline Coefficients
K=7
γ10.1500
4.92***
γ2-0.3037
-6.58***
γ30.2773
5.45***
γ4-0.1572
-2.94***
γ50.0529
1.16
γ6-0.0677
-1.72*
γ7-0.0312
-0.65

Persistence:

0.846

Half-life:

4 days