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BB Biotech AG ILLIQ-MFMEM Liquidity Analysis

Illiquidity prediction for Tuesday, August 4th, 2026

1 Day

2,510.82

decreased by 190.60

1 Week

2,785.91

increased by 84.49

1 Month

3,445.51

increased by 744.09

Analysis last updated: Tuesday, August 4, 2026 at 08:36 PM UTC

Date Range:

from

to

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 Jul 31, 2026

Model Insight

Illiquidity shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 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

126
α

ARCH

Response to squared shocks

0.1081
9.46***
β

GARCH

Volatility persistence

0.8890
424.12***
γ

leverage

Additional response to negative shocks

-0.1081
-6.65***
λ₁

tau intercept

Baseline long-term coefficient

0.8041
30.33***
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.03
λ₃

tau persistence

Long-term factor persistence

0.9977
1,979.61***

Persistence:

0.943

Half-life:

12 days