Skip to main content
V-Lab
V-Lab

BB Biotech AG Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, October 26th, 2026

1 Day

3,918.40

increased by 260.22

1 Week

3,850.14

increased by 191.96

1 Month

3,059.50

decreased by 598.68

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

Press Delete or Backspace to remove this series.
Date Range:

from

10/23/2024

to

10/23/2026

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

Nov 15, 1993 to Oct 23, 2026

Model Insight

With persistence 0.995, illiquidity shocks have a half-life of 140 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 0.995, shock half-life ~140 days
ParamValuet-stat
ωconst2.0025
7.00***
αARCH0.1046
13.12***
βGARCH0.8904
94.27***
∑γi Spline Coefficients
K=1
γ10.0001
0.08

0.995

Persistence

140d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.0025
7.00***
α

ARCH

Response to squared shocks

0.1046
13.12***
β

GARCH

Volatility persistence

0.8904
94.27***
∑γi Spline Coefficients
K=1
γ10.0001
0.08

Persistence:

0.995

Half-life:

140 days