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Immobiliare Grande Distribuzione SIIQ SpA Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

47,814.34

decreased by 4,191.85

1 Week

54,479.92

increased by 2,473.73

1 Month

52,357.42

increased by 351.23

Analysis last updated: Saturday, September 19, 2026 at 10:34 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Immobiliare Grande Distribuzione SIIQ SpA ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Feb 10, 2005 to Sep 18, 2026

Model Insight

With persistence 0.992, illiquidity shocks have a half-life of 82 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 0.992, shock half-life ~82 days
ParamValuet-stat
ωconst1.6462
8.44***
αARCH0.1134
14.44***
βGARCH0.8781
103.19***
γi Spline Coefficients
K=1
γ10.0033
1.58

0.992

Persistence

82d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.6462
8.44***
α

ARCH

Response to squared shocks

0.1134
14.44***
β

GARCH

Volatility persistence

0.8781
103.19***
γi Spline Coefficients
K=1
γ10.0033
1.58

Persistence:

0.992

Half-life:

82 days