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Chams Holding Company PLC Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 29th, 2026

1 Day

262.41

decreased by 87.07

1 Week

254.04

decreased by 95.44

1 Month

622.68

increased by 273.20

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

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graph of Chams Holding Company PLC ILLIQ-SMEM

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

With persistence 0.999, illiquidity shocks have a half-life of 485 trading days (~1.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~485 days
ParamValuet-stat
ωconst1.0396
0.26
αARCH0.8284
8.97***
βGARCH0.1702
1.61
∑γi Spline Coefficients
K=9
γ1-75.6403
-0.32
γ2239.1553
0.77
γ3-263.2837
-3.28***
γ4113.2078
26.46***
γ5-15.9014
-5.78***
γ63.8823
1.97**
γ7-2.9234
-0.60
γ82.5053
0.32
γ9-1.8610
-0.16

0.999

Persistence

485d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0396
0.26
α

ARCH

Response to squared shocks

0.8284
8.97***
β

GARCH

Volatility persistence

0.1702
1.61
∑γi Spline Coefficients
K=9
γ1-75.6403
-0.32
γ2239.1553
0.77
γ3-263.2837
-3.28***
γ4113.2078
26.46***
γ5-15.9014
-5.78***
γ63.8823
1.97**
γ7-2.9234
-0.60
γ82.5053
0.32
γ9-1.8610
-0.16

Persistence:

0.999

Half-life:

485 days