V-Lab
BioPharma Credit PLC Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 1st, 2026
1 Day
2,897.62
decreased by 35.54
1 Week
3,088.32
increased by 155.16
1 Month
3,922.21
increased by 989.05
Analysis last updated: Thursday, October 1, 2026 at 10:26 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 24, 2017 to Sep 25, 2026Model 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 6 trading days.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0630 | 3.03*** |
| αARCH | 0.1384 | 4.46*** |
| βGARCH | 0.7500 | 12.72*** |
Spline Coefficients
K=8
| γ1 | -3.7191 | -3.60*** |
| γ2 | 5.4706 | 3.85*** |
| γ3 | -2.5030 | -3.62*** |
| γ4 | 1.4317 | 2.70*** |
| γ5 | -1.0119 | -2.14** |
| γ6 | 1.0149 | 1.85* |
| γ7 | -1.6251 | -2.39** |
| γ8 | 1.3197 | 1.50 |
0.888
Persistence6d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0630 | 3.03*** |
α ARCH Response to squared shocks | 0.1384 | 4.46*** |
β GARCH Volatility persistence | 0.7500 | 12.72*** |
Spline Coefficients
K=8
| γ1 | -3.7191 | -3.60*** |
| γ2 | 5.4706 | 3.85*** |
| γ3 | -2.5030 | -3.62*** |
| γ4 | 1.4317 | 2.70*** |
| γ5 | -1.0119 | -2.14** |
| γ6 | 1.0149 | 1.85* |
| γ7 | -1.6251 | -2.39** |
| γ8 | 1.3197 | 1.50 |
Persistence:
0.888
Half-life:
6 days
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