V-Lab
Attock Cement Pakistan Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, October 6th, 2026
1 Day
19,158.68
increased by 17,501.42
1 Week
5,646.99
increased by 3,989.73
1 Month
2,081.54
increased by 424.28
Analysis last updated: Tuesday, October 6, 2026 at 08:05 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 16, 2003 to Oct 2, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1447 trading days (~5.7 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 ~1447 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.1106 | 2.27** |
| αARCH | 0.3527 | 8.28*** |
| βGARCH | 0.6468 | 15.16*** |
Spline Coefficients
K=10
| γ1 | -1.8014 | -4.76*** |
| γ2 | 2.5983 | 4.90*** |
| γ3 | -0.7596 | -2.60*** |
| γ4 | -0.5551 | -2.31** |
| γ5 | 1.1001 | 5.26*** |
| γ6 | -0.9659 | -4.87*** |
| γ7 | 0.4308 | 2.76*** |
| γ8 | 0.3209 | 2.26** |
| γ9 | -1.1537 | -6.74*** |
| γ10 | 1.8357 | 5.58*** |
1.000
Persistence1447d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.1106 | 2.27** |
α ARCH Response to squared shocks | 0.3527 | 8.28*** |
β GARCH Volatility persistence | 0.6468 | 15.16*** |
Spline Coefficients
K=10
| γ1 | -1.8014 | -4.76*** |
| γ2 | 2.5983 | 4.90*** |
| γ3 | -0.7596 | -2.60*** |
| γ4 | -0.5551 | -2.31** |
| γ5 | 1.1001 | 5.26*** |
| γ6 | -0.9659 | -4.87*** |
| γ7 | 0.4308 | 2.76*** |
| γ8 | 0.3209 | 2.26** |
| γ9 | -1.1537 | -6.74*** |
| γ10 | 1.8357 | 5.58*** |
Persistence:
1.000
Half-life:
1447 days
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