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Ceylon Tobacco Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 29th, 2026

1 Day

2,357.03

increased by 949.61

1 Week

1,581.36

increased by 173.94

1 Month

1,519.24

increased by 111.82

Analysis last updated: Tuesday, September 29, 2026 at 08:27 PM UTC

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Date Range:

from

09/28/2024

to

09/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Ceylon Tobacco Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 17, 2003 to Sep 25, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 20 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.7640
3.69***
αARCH0.0357
3.58***
βGARCH0.9300
53.63***
∑γi Spline Coefficients
K=10
γ10.0397
0.18
γ2-0.2633
-0.80
γ30.3729
1.21
γ40.1936
0.51
γ5-1.1671
-3.18***
γ61.4521
4.71***
γ7-0.8781
-3.65***
γ80.5353
2.62***
γ9-0.7258
-3.56***
γ100.8165
2.67***

0.966

Persistence

20d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7640
3.69***
α

ARCH

Response to squared shocks

0.0357
3.58***
β

GARCH

Volatility persistence

0.9300
53.63***
∑γi Spline Coefficients
K=10
γ10.0397
0.18
γ2-0.2633
-0.80
γ30.3729
1.21
γ40.1936
0.51
γ5-1.1671
-3.18***
γ61.4521
4.71***
γ7-0.8781
-3.65***
γ80.5353
2.62***
γ9-0.7258
-3.56***
γ100.8165
2.67***

Persistence:

0.966

Half-life:

20 days