V-Lab
Bodycote PLC Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 1st, 2026
1 Day
923.53
decreased by 64.09
1 Week
1,008.07
increased by 20.45
1 Month
1,035.20
increased by 47.58
Analysis last updated: Thursday, October 1, 2026 at 10:12 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 23, 1993 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 36 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 | 5.2104 | 3.34*** |
| αARCH | 0.0952 | 9.26*** |
| βGARCH | 0.8858 | 59.41*** |
Spline Coefficients
K=10
| γ1 | -0.3765 | -1.70* |
| γ2 | 1.0933 | 2.43** |
| γ3 | -1.3967 | -3.22*** |
| γ4 | 1.1594 | 3.50*** |
| γ5 | -0.7184 | -3.28*** |
| γ6 | 0.2896 | 2.17** |
| γ7 | -0.1010 | -1.11 |
| γ8 | 0.1699 | 2.22** |
| γ9 | -0.1779 | -2.58*** |
| γ10 | -0.0814 | -0.87 |
0.981
Persistence36d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.2104 | 3.34*** |
α ARCH Response to squared shocks | 0.0952 | 9.26*** |
β GARCH Volatility persistence | 0.8858 | 59.41*** |
Spline Coefficients
K=10
| γ1 | -0.3765 | -1.70* |
| γ2 | 1.0933 | 2.43** |
| γ3 | -1.3967 | -3.22*** |
| γ4 | 1.1594 | 3.50*** |
| γ5 | -0.7184 | -3.28*** |
| γ6 | 0.2896 | 2.17** |
| γ7 | -0.1010 | -1.11 |
| γ8 | 0.1699 | 2.22** |
| γ9 | -0.1779 | -2.58*** |
| γ10 | -0.0814 | -0.87 |
Persistence:
0.981
Half-life:
36 days
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