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BB Biotech AG ILLIQ-MFMEM Liquidity Analysis

Illiquidity prediction for Monday, October 5th, 2026

1 Day

33,420.60

decreased by 1,256.32

1 Week

32,964.13

decreased by 1,712.79

1 Month

30,884.32

decreased by 3,792.60

Analysis last updated: Saturday, October 3, 2026 at 06:50 PM UTC

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Date Range:

from

10/02/2024

to

10/02/2026

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

Jun 16, 2000 to Oct 2, 2026

Model Insight

With persistence 0.990, illiquidity shocks have a half-life of 70 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. 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

High persistence: persistence 0.990, shock half-life ~70 days
ParamValuet-stat
mwindow86
αARCH0.0727
28.65***
βGARCH0.9281
849.09***
γleverage-0.0213
-1.72*
λ₁tau intercept10.0000
1.16
λ₂forecast adj.0.0000
0.00
λ₃tau persistence0.9935
171.92***

0.990

Persistence

70d

Half-life
μ

ILLIQ-MFMEM Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

86
α

ARCH

Response to squared shocks

0.0727
28.65***
β

GARCH

Volatility persistence

0.9281
849.09***
γ

leverage

Additional response to negative shocks

-0.0213
-1.72*
λ₁

tau intercept

Baseline long-term coefficient

10.0000
1.16
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.00
λ₃

tau persistence

Long-term factor persistence

0.9935
171.92***

Persistence:

0.990

Half-life:

70 days