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Cherat Papersack Ltd Spline ILLIQ Liquidity Analysis

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

Illiquidity prediction for Monday, September 28th, 2026

1 Day

14,805.43

increased by 8,797.39

1 Week

6,272.86

increased by 264.82

1 Month

2,846.70

decreased by 3,161.34

Analysis last updated: Saturday, September 26, 2026 at 10:13 PM UTC

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graph of Cherat Papersack Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Sep 10, 2001 to Sep 25, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 23901 trading days (~94.8 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 1.000, shock half-life ~23901 days
ParamValuet-stat
ωconst0.9481
1.02
αARCH0.2300
0.04
βGARCH0.7699
0.15
∑γi Spline Coefficients
K=10
γ1-0.1899
0.00
γ21.1579
0.01
γ3-1.2746
-0.01
γ4-6.0548
-0.05
γ517.3320
0.06
γ6-16.0012
-0.06
γ74.7781
0.05
γ80.9479
0.17
γ9-1.6669
-1.56
γ101.3943
0.29

1.000

Persistence

23901d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9481
1.02
α

ARCH

Response to squared shocks

0.2300
0.04
β

GARCH

Volatility persistence

0.7699
0.15
∑γi Spline Coefficients
K=10
γ1-0.1899
0.00
γ21.1579
0.01
γ3-1.2746
-0.01
γ4-6.0548
-0.05
γ517.3320
0.06
γ6-16.0012
-0.06
γ74.7781
0.05
γ80.9479
0.17
γ9-1.6669
-1.56
γ101.3943
0.29

Persistence:

1.000

Half-life:

23901 days