V-Lab
Bodycote PLC Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
1,110.11
decreased by 19.72
1 Week
1,206.37
increased by 76.54
1 Month
1,929.38
increased by 799.55
Analysis last updated: Friday, September 11, 2026 at 09:47 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 23, 1993 to Sep 4, 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 35 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 | 5.2137 | 3.36*** |
| αARCH | 0.0943 | 9.16*** |
| βGARCH | 0.8863 | 59.17*** |
Spline Coefficients
K=10
| γ1 | -0.3754 | -1.68* |
| γ2 | 1.0941 | 2.40** |
| γ3 | -1.3971 | -3.19*** |
| γ4 | 1.1512 | 3.48*** |
| γ5 | -0.7035 | -3.24*** |
| γ6 | 0.2773 | 2.09** |
| γ7 | -0.0984 | -1.10 |
| γ8 | 0.1743 | 2.33** |
| γ9 | -0.1848 | -2.76*** |
| γ10 | -0.0347 | -0.36 |
0.981
Persistence35d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.2137 | 3.36*** |
α ARCH Response to squared shocks | 0.0943 | 9.16*** |
β GARCH Volatility persistence | 0.8863 | 59.17*** |
Spline Coefficients
K=10
| γ1 | -0.3754 | -1.68* |
| γ2 | 1.0941 | 2.40** |
| γ3 | -1.3971 | -3.19*** |
| γ4 | 1.1512 | 3.48*** |
| γ5 | -0.7035 | -3.24*** |
| γ6 | 0.2773 | 2.09** |
| γ7 | -0.0984 | -1.10 |
| γ8 | 0.1743 | 2.33** |
| γ9 | -0.1848 | -2.76*** |
| γ10 | -0.0347 | -0.36 |
Persistence:
0.981
Half-life:
35 days
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