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British American Tobacco Kenya Ltd Asymmetric ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Friday, October 16th, 2026

1 Day

1,526.06

decreased by 1.49

1 Week

1,540.38

increased by 12.83

1 Month

1,601.86

increased by 74.31

Analysis last updated: Friday, October 16, 2026 at 08:11 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of British American Tobacco Kenya Ltd ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 14, 1991 to Oct 9, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~1386294 days
ParamValuet-stat
ωconst0.0000
0.00
αARCH0.0098
3.58***
βGARCH0.9875
414.73***
γleverage0.0053
1.21

1.000

Persistence

1386294d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0000
0.00
α

ARCH

Response to squared shocks

0.0098
3.58***
β

GARCH

Volatility persistence

0.9875
414.73***
γ

leverage

Additional response to negative shocks

0.0053
1.21

Persistence:

1.000

Half-life:

1386294 days