First Capital Holdings Plc Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Friday, November 6th, 2026
1 Day
31,950.58
decreased by 1,129.84
1 Week
39,280.09
increased by 6,199.67
1 Month
29,440.35
decreased by 3,640.07
Analysis last updated: Friday, November 6, 2026 at 09:52 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 22, 2010 to Nov 2, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 86643 trading days (~343.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 1.000, shock half-life ~86643 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3986 | 0.00 |
| αARCH | 0.2385 | 0.00 |
| βGARCH | 0.7615 | 0.00 |
Spline Coefficients
K=9
| γ1 | 2.4052 | 0.00 |
| γ2 | -5.4663 | 0.00 |
| γ3 | -1.3599 | 0.00 |
| γ4 | 15.1980 | 0.00 |
| γ5 | -17.6779 | 0.00 |
| γ6 | 8.4090 | 0.00 |
| γ7 | -2.0255 | 0.00 |
| γ8 | 0.8075 | 0.00 |
| γ9 | 0.6298 | 0.00 |
1.000
Persistence86643d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3986 | 0.00 |
α ARCH Response to squared shocks | 0.2385 | 0.00 |
β GARCH Volatility persistence | 0.7615 | 0.00 |
Spline Coefficients
K=9
| γ1 | 2.4052 | 0.00 |
| γ2 | -5.4663 | 0.00 |
| γ3 | -1.3599 | 0.00 |
| γ4 | 15.1980 | 0.00 |
| γ5 | -17.6779 | 0.00 |
| γ6 | 8.4090 | 0.00 |
| γ7 | -2.0255 | 0.00 |
| γ8 | 0.8075 | 0.00 |
| γ9 | 0.6298 | 0.00 |
Persistence:
1.000
Half-life:
86643 days
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