Bodycote PLC Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, November 11th, 2026
1 Day
138.48
decreased by 11.47
1 Week
145.91
decreased by 4.04
1 Month
174.55
increased by 24.60
Analysis last updated: Wednesday, November 11, 2026 at 09:24 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 Nov 6, 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 39 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 | 5.3772 | 3.34*** |
| αARCH | 0.0990 | 9.62*** |
| βGARCH | 0.8834 | 60.34*** |
Spline Coefficients
K=10
| γ1 | -0.3835 | -1.72* |
| γ2 | 1.1067 | 2.43** |
| γ3 | -1.4129 | -3.21*** |
| γ4 | 1.1827 | 3.45*** |
| γ5 | -0.7452 | -3.24*** |
| γ6 | 0.3089 | 2.21** |
| γ7 | -0.1043 | -1.09 |
| γ8 | 0.1608 | 1.96* |
| γ9 | -0.1603 | -2.09** |
| γ10 | -0.2642 | -2.35** |
0.982
Persistence39d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.3772 | 3.34*** |
α ARCH Response to squared shocks | 0.0990 | 9.62*** |
β GARCH Volatility persistence | 0.8834 | 60.34*** |
Spline Coefficients
K=10
| γ1 | -0.3835 | -1.72* |
| γ2 | 1.1067 | 2.43** |
| γ3 | -1.4129 | -3.21*** |
| γ4 | 1.1827 | 3.45*** |
| γ5 | -0.7452 | -3.24*** |
| γ6 | 0.3089 | 2.21** |
| γ7 | -0.1043 | -1.09 |
| γ8 | 0.1608 | 1.96* |
| γ9 | -0.1603 | -2.09** |
| γ10 | -0.2642 | -2.35** |
Persistence:
0.982
Half-life:
39 days
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