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Ecomic Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, September 24th, 2026

1 Day

4,847.86

decreased by 352.50

1 Week

5,024.11

decreased by 176.25

1 Month

4,789.33

decreased by 411.03

Analysis last updated: Saturday, September 19, 2026 at 10:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Ecomic Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Apr 5, 2006 to Sep 18, 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 23 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.5140
6.67***
αARCH0.1480
11.06***
βGARCH0.8229
53.91***
γi Spline Coefficients
K=8
γ1-1.1756
-3.96***
γ21.2009
2.43**
γ30.0603
0.13
γ4-0.6460
-1.44
γ51.6151
4.81***
γ6-1.9959
-4.60***
γ71.5048
2.22**
γ8-0.6285
-0.83

0.971

Persistence

23d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.5140
6.67***
α

ARCH

Response to squared shocks

0.1480
11.06***
β

GARCH

Volatility persistence

0.8229
53.91***
γi Spline Coefficients
K=8
γ1-1.1756
-3.96***
γ21.2009
2.43**
γ30.0603
0.13
γ4-0.6460
-1.44
γ51.6151
4.81***
γ6-1.9959
-4.60***
γ71.5048
2.22**
γ8-0.6285
-0.83

Persistence:

0.971

Half-life:

23 days