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Societe BIC SA Asymmetric ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Friday, September 11th, 2026

1 Day

4,128.62

decreased by 133.70

1 Week

4,182.13

decreased by 80.19

1 Month

4,363.01

increased by 100.69

Analysis last updated: Friday, September 11, 2026 at 06:58 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Societe BIC SA ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jun 28, 1991 to Sep 4, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 693147 trading days (~2750.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~693147 days
ParamValuet-stat
ωconst5.0000
1.48
αARCH0.0499
4.31***
βGARCH0.9434
136.53***
γleverage0.0133
0.87

1.000

Persistence

693147d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.48
α

ARCH

Response to squared shocks

0.0499
4.31***
β

GARCH

Volatility persistence

0.9434
136.53***
γ

leverage

Additional response to negative shocks

0.0133
0.87

Persistence:

1.000

Half-life:

693147 days