V-Lab
BB Biotech AG Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 24th, 2026
1 Day
2,508.34
increased by 262.23
1 Week
2,368.32
increased by 122.21
1 Month
2,417.89
increased by 171.78
Analysis last updated: Sunday, August 23, 2026 at 03:44 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 15, 1993 to Aug 21, 2026Model Insight
With persistence 0.995, illiquidity shocks have a half-life of 145 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
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.9555 | 6.93*** |
α ARCH Response to squared shocks | 0.1046 | 13.16*** |
β GARCH Volatility persistence | 0.8907 | 94.80*** |
Spline Coefficients
K=1
| γ1 | -0.0003 | -0.17 |
Persistence:
0.995
Half-life:
145 days
Other BB Biotech AG Analyses
Other Spline ILLIQ Analyses on Closed-end Funds