V-Lab
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 Monday, September 28th, 2026
1 Day
9,917.83
decreased by 1,152.66
1 Week
11,037.44
decreased by 33.05
1 Month
10,555.34
decreased by 515.15
Analysis last updated: Saturday, September 26, 2026 at 11:01 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 22, 2010 to Sep 25, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 22359 trading days (~88.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~22359 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8598 | 0.20 |
| αARCH | 0.1988 | 0.04 |
| βGARCH | 0.8012 | 0.17 |
Spline Coefficients
K=7
| γ1 | 1.6121 | 0.81 |
| γ2 | -5.5878 | -2.75*** |
| γ3 | 6.8299 | 0.18 |
| γ4 | -2.2566 | -0.02 |
| γ5 | -1.8398 | -0.01 |
| γ6 | 1.4509 | 0.02 |
| γ7 | 0.0862 | 0.00 |
1.000
Persistence22359d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8598 | 0.20 |
α ARCH Response to squared shocks | 0.1988 | 0.04 |
β GARCH Volatility persistence | 0.8012 | 0.17 |
Spline Coefficients
K=7
| γ1 | 1.6121 | 0.81 |
| γ2 | -5.5878 | -2.75*** |
| γ3 | 6.8299 | 0.18 |
| γ4 | -2.2566 | -0.02 |
| γ5 | -1.8398 | -0.01 |
| γ6 | 1.4509 | 0.02 |
| γ7 | 0.0862 | 0.00 |
Persistence:
1.000
Half-life:
22359 days
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