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BB Biotech AG ILLIQ-MFMEM Liquidity Analysis

Illiquidity prediction for Monday, October 26th, 2026

1 Day

4,026.68

increased by 269.33

1 Week

3,961.20

increased by 203.85

1 Month

3,159.56

decreased by 597.79

Analysis last updated: Sunday, October 25, 2026 at 09:05 AM UTC

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Date Range:

from

10/23/2024

to

10/23/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of BB Biotech AG ILLIQ-MFMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 15, 1993 to Oct 23, 2026

Model Insight

Illiquidity shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.

μ

ILLIQ-MFMEM Model

Tap to view equation

Shock decay: Shocks decay with a 11-day half-life
ParamValuet-stat
mwindow66
αARCH0.1087
13.52***
βGARCH0.8841
88.82***
γleverage-0.1087
-9.07***
λ₁tau intercept1.5470
1.85*
λ₂forecast adj.0.0115
0.91
λ₃tau persistence0.9858
73.92***

0.938

Persistence

11d

Half-life
μ

ILLIQ-MFMEM Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

66
α

ARCH

Response to squared shocks

0.1087
13.52***
β

GARCH

Volatility persistence

0.8841
88.82***
γ

leverage

Additional response to negative shocks

-0.1087
-9.07***
λ₁

tau intercept

Baseline long-term coefficient

1.5470
1.85*
λ₂

forecast adj.

Forecast performance sensitivity

0.0115
0.91
λ₃

tau persistence

Long-term factor persistence

0.9858
73.92***

Persistence:

0.938

Half-life:

11 days