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BB Biotech AG Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, October 5th, 2026

1 Day

36,894.76

decreased by 3,352.85

1 Week

36,969.61

decreased by 3,278.00

1 Month

35,921.15

decreased by 4,326.46

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-SMEM

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

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 59 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.6841
5.05***
αARCH0.1539
24.57***
βGARCH0.8345
151.90***
∑γi Spline Coefficients
K=1
γ10.0071
6.05***

0.988

Persistence

59d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.6841
5.05***
α

ARCH

Response to squared shocks

0.1539
24.57***
β

GARCH

Volatility persistence

0.8345
151.90***
∑γi Spline Coefficients
K=1
γ10.0071
6.05***

Persistence:

0.988

Half-life:

59 days