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Aker Biomarine Asa 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, August 7th, 2026

1 Day

4,487.28

increased by 944.19

1 Week

3,986.86

increased by 443.77

1 Month

8,852.38

increased by 5,309.29

Analysis last updated: Friday, August 7, 2026 at 07:58 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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graph of Aker Biomarine Asa ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jul 6, 2020 to Jul 31, 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.

Asymmetry: Illiquidity rises 174% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.46
α

ARCH

Response to squared shocks

0.0537
12.14***
β

GARCH

Volatility persistence

0.8998
308.98***
γ

leverage

Additional response to negative shocks

0.0931
9.60***

Persistence:

1.000

Half-life:

693147 days