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V-Lab

Mercialys SA Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

5,037.78

increased by 455.68

1 Week

4,552.82

decreased by 29.28

1 Month

4,449.95

decreased by 132.15

Analysis last updated: Saturday, September 19, 2026 at 08:05 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Mercialys SA ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Oct 11, 2005 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 41 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst2.2457
8.89***
αARCH0.0802
10.06***
βGARCH0.9032
90.57***
γi Spline Coefficients
K=1
γ10.0027
2.01**

0.983

Persistence

41d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.2457
8.89***
α

ARCH

Response to squared shocks

0.0802
10.06***
β

GARCH

Volatility persistence

0.9032
90.57***
γi Spline Coefficients
K=1
γ10.0027
2.01**

Persistence:

0.983

Half-life:

41 days