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V-Lab

Grimoldi SA Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, September 3rd, 2026

1 Day

13,401.26

decreased by 1,543.88

1 Week

15,599.95

increased by 654.81

1 Month

11,677.76

decreased by 3,267.38

Analysis last updated: Thursday, September 3, 2026 at 05:50 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Grimoldi SA ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 11, 1995 to Aug 28, 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 17 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4092
3.09***
α

ARCH

Response to squared shocks

0.1175
3.99***
β

GARCH

Volatility persistence

0.8425
19.14***
γi Spline Coefficients
K=8
γ10.0069
0.05
γ2-0.1586
-0.69
γ30.3312
0.97
γ4-0.6282
-2.17**
γ51.5640
7.61***
γ6-2.3811
-8.04***
γ71.5282
3.72***
γ8-0.0902
-0.16

Persistence:

0.960

Half-life:

17 days