British American Tobacco Kenya Ltd ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Friday, October 16th, 2026
1 Day
1,595.33
1 Week
1,597.75
1 Month
1,785.06
Analysis last updated: Friday, October 16, 2026 at 08:11 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 14, 1991 to Oct 9, 2026Model Insight
With persistence 0.995, illiquidity shocks have a half-life of 134 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.
Asymmetry: illiquidity responds almost entirely to negative returns
ILLIQ-MFMEM Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 51 | |
| αARCH | 0.0720 | 5.65*** |
| βGARCH | 0.7750 | 29.37*** |
| γleverage | 0.2957 | 7.37*** |
| λ₁tau intercept | 0.0000 | 0.00 |
| λ₂forecast adj. | 0.0138 | 5.08*** |
| λ₃tau persistence | 0.9862 | 341.13*** |
0.995
Persistence134d
Half-lifeILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 51 | |
α ARCH Response to squared shocks | 0.0720 | 5.65*** |
β GARCH Volatility persistence | 0.7750 | 29.37*** |
γ leverage Additional response to negative shocks | 0.2957 | 7.37*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0000 | 0.00 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0138 | 5.08*** |
λ₃ tau persistence Long-term factor persistence | 0.9862 | 341.13*** |
Persistence:
0.995
Half-life:
134 days
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