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BB Biotech AG ILLIQ-MFMEM Liquidity Analysis

Illiquidity prediction for Tuesday, August 4th, 2026

1 Day

24,918.11

increased by 150.93

1 Week

26,256.77

increased by 1,489.59

1 Month

27,737.61

increased by 2,970.43

Analysis last updated: Tuesday, August 4, 2026 at 06:38 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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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

Jun 16, 2000 to Jul 31, 2026

Model Insight

Illiquidity shocks decay with a half-life of 47 trading days, meaning a shock loses half its impact after approximately 47 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

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.0733
3.12***
β

GARCH

Volatility persistence

0.9267
227.14***
γ

leverage

Additional response to negative shocks

-0.0292
-0.74
λ₁

tau intercept

Baseline long-term coefficient

10.0000
4.31***
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.01
λ₃

tau persistence

Long-term factor persistence

0.9934
654.87***

Persistence:

0.985

Half-life:

47 days