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Central Finance Co (Lanka) 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 Wednesday, October 7th, 2026

1 Day

8,441.75

decreased by 813.04

1 Week

8,807.72

decreased by 447.07

1 Month

10,871.12

increased by 1,616.33

Analysis last updated: Wednesday, October 7, 2026 at 08:35 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Central Finance Co (Lanka) ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 17, 2003 to Oct 2, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 173286 trading days (~687.6 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 ~173286 days
ParamValuet-stat
ωconst1.1545
αARCH0.1459
βGARCH0.8541
∑γi Spline Coefficients
K=10
γ1-2.0639
γ25.1122
γ3-1.5498
γ4-4.7406
γ53.8871
γ6-0.2821
γ7-1.1100
γ81.4583
γ9-1.6145
γ102.5433

1.000

Persistence

173286d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1545
α

ARCH

Response to squared shocks

0.1459
β

GARCH

Volatility persistence

0.8541
∑γi Spline Coefficients
K=10
γ1-2.0639
γ25.1122
γ3-1.5498
γ4-4.7406
γ53.8871
γ6-0.2821
γ7-1.1100
γ81.4583
γ9-1.6145
γ102.5433

Persistence:

1.000

Half-life:

173286 days