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V-Lab

Intershop Holding AG Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, September 24th, 2026

1 Day

5,358.98

increased by 258.71

1 Week

5,584.90

increased by 484.63

1 Month

7,529.40

increased by 2,429.13

Analysis last updated: Thursday, September 24, 2026 at 08:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Intershop Holding AG ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Apr 23, 1990 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 47 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst2.8532
5.84***
αARCH0.1075
13.28***
βGARCH0.8778
94.00***
∑γi Spline Coefficients
K=5
γ1-0.0216
-1.16
γ20.0772
2.51**
γ3-0.1206
-5.30***
γ40.1238
6.56***
γ5-0.1167
-4.44***

0.985

Persistence

47d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.8532
5.84***
α

ARCH

Response to squared shocks

0.1075
13.28***
β

GARCH

Volatility persistence

0.8778
94.00***
∑γi Spline Coefficients
K=5
γ1-0.0216
-1.16
γ20.0772
2.51**
γ3-0.1206
-5.30***
γ40.1238
6.56***
γ5-0.1167
-4.44***

Persistence:

0.985

Half-life:

47 days