V-Lab
Tokyo Cement Co (Lanka) Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
7,769.39
increased by 4,905.08
1 Week
3,160.75
increased by 296.44
1 Month
1,542.17
decreased by 1,322.14
Analysis last updated: Friday, September 11, 2026 at 09:06 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 4, 2010 to Sep 4, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 3808 trading days (~15.1 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 ~3808 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9635 | 3.86*** |
| αARCH | 0.1914 | 4.38*** |
| βGARCH | 0.8085 | 18.56*** |
Spline Coefficients
K=10
| γ1 | 0.2580 | 0.13 |
| γ2 | 1.7778 | 0.58 |
| γ3 | -13.9666 | -2.35** |
| γ4 | 29.7626 | 2.62*** |
| γ5 | -26.1910 | -2.60*** |
| γ6 | 7.0426 | 1.86* |
| γ7 | -1.2491 | -0.31 |
| γ8 | 11.8327 | 1.15 |
| γ9 | -15.2877 | -1.56 |
| γ10 | 7.3569 | 1.99** |
1.000
Persistence3808d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9635 | 3.86*** |
α ARCH Response to squared shocks | 0.1914 | 4.38*** |
β GARCH Volatility persistence | 0.8085 | 18.56*** |
Spline Coefficients
K=10
| γ1 | 0.2580 | 0.13 |
| γ2 | 1.7778 | 0.58 |
| γ3 | -13.9666 | -2.35** |
| γ4 | 29.7626 | 2.62*** |
| γ5 | -26.1910 | -2.60*** |
| γ6 | 7.0426 | 1.86* |
| γ7 | -1.2491 | -0.31 |
| γ8 | 11.8327 | 1.15 |
| γ9 | -15.2877 | -1.56 |
| γ10 | 7.3569 | 1.99** |
Persistence:
1.000
Half-life:
3808 days
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