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Chams Holding Company PLC 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 Tuesday, September 29th, 2026

1 Day

616.39

decreased by 2.36

1 Week

627.82

increased by 9.07

1 Month

587.16

decreased by 31.59

Analysis last updated: Tuesday, September 29, 2026 at 08:13 PM UTC

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graph of Chams Holding Company PLC ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Sep 24, 2008 to Sep 25, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.

μ

ILLIQ-AMEM Model

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High persistence: persistence 1.000 ≥ 1, shocks do not decay
ParamValuet-stat
ωconst5.0000
0.30
αARCH0.0035
0.13
βGARCH0.9727
46.54***
γleverage0.0476
0.63

1.000

Persistence

-

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.30
α

ARCH

Response to squared shocks

0.0035
0.13
β

GARCH

Volatility persistence

0.9727
46.54***
γ

leverage

Additional response to negative shocks

0.0476
0.63

Persistence:

1.000

Half-life:

-