Skip to main content
V-Lab
V-Lab

Ceylon Tobacco Co Ltd 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

1,915.09

increased by 457.33

1 Week

1,547.58

increased by 89.82

1 Month

1,596.03

increased by 138.27

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

Press Delete or Backspace to remove this series.
Date Range:

from

09/28/2024

to

09/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Ceylon Tobacco Co Ltd ILLIQ-AMEM

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

With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~1386294 days
ParamValuet-stat
ωconst5.0000
0.48
αARCH0.0177
4.24***
βGARCH0.9756
240.06***
γleverage0.0134
0.85

1.000

Persistence

1386294d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.48
α

ARCH

Response to squared shocks

0.0177
4.24***
β

GARCH

Volatility persistence

0.9756
240.06***
γ

leverage

Additional response to negative shocks

0.0134
0.85

Persistence:

1.000

Half-life:

1386294 days