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V-Lab

Grp Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

9,578.24

decreased by 466.97

1 Week

10,125.26

increased by 80.05

1 Month

10,536.08

increased by 490.87

Analysis last updated: Saturday, September 19, 2026 at 10:17 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Grp Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Oct 8, 2009 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 43 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.2955
3.48***
αARCH0.1944
9.31***
βGARCH0.7896
37.15***
γi Spline Coefficients
K=10
γ1-0.2277
-0.47
γ21.2085
1.30
γ3-1.9697
-1.81*
γ40.6515
0.62
γ51.7250
2.15**
γ6-2.6846
-3.50***
γ71.1442
1.78*
γ81.7612
2.67***
γ9-5.7731
-3.91***
γ1012.0577
4.70***

0.984

Persistence

43d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2955
3.48***
α

ARCH

Response to squared shocks

0.1944
9.31***
β

GARCH

Volatility persistence

0.7896
37.15***
γi Spline Coefficients
K=10
γ1-0.2277
-0.47
γ21.2085
1.30
γ3-1.9697
-1.81*
γ40.6515
0.62
γ51.7250
2.15**
γ6-2.6846
-3.50***
γ71.1442
1.78*
γ81.7612
2.67***
γ9-5.7731
-3.91***
γ1012.0577
4.70***

Persistence:

0.984

Half-life:

43 days