Central Finance Co (Lanka) Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 29th, 2026
1 Day
6,922.39
increased by 4,064.15
1 Week
3,716.01
increased by 857.77
1 Month
4,781.04
increased by 1,922.80
Analysis last updated: Friday, October 30, 2026 at 12:07 AM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 17, 2003 to Oct 23, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 4813 trading days (~19.1 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 ~4813 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.3075 | 1.53 |
| αARCH | 0.1437 | 2.77*** |
| βGARCH | 0.8561 | 16.57*** |
Spline Coefficients
K=10
| γ1 | -4.8296 | -1.68* |
| γ2 | 7.7238 | 1.42 |
| γ3 | -0.8338 | -0.24 |
| γ4 | -5.1345 | -3.80*** |
| γ5 | 3.7294 | 3.07*** |
| γ6 | -0.3155 | -0.39 |
| γ7 | -1.0826 | -2.06** |
| γ8 | 1.4410 | 4.26*** |
| γ9 | -1.5240 | -4.66*** |
| γ10 | 2.1564 | 3.32*** |
1.000
Persistence4813d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3075 | 1.53 |
α ARCH Response to squared shocks | 0.1437 | 2.77*** |
β GARCH Volatility persistence | 0.8561 | 16.57*** |
Spline Coefficients
K=10
| γ1 | -4.8296 | -1.68* |
| γ2 | 7.7238 | 1.42 |
| γ3 | -0.8338 | -0.24 |
| γ4 | -5.1345 | -3.80*** |
| γ5 | 3.7294 | 3.07*** |
| γ6 | -0.3155 | -0.39 |
| γ7 | -1.0826 | -2.06** |
| γ8 | 1.4410 | 4.26*** |
| γ9 | -1.5240 | -4.66*** |
| γ10 | 2.1564 | 3.32*** |
Persistence:
1.000
Half-life:
4813 days
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