V-Lab
Medco Energi Intl Tbk Pt Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, October 5th, 2026
1 Day
0.30
decreased by 0.05
1 Week
0.33
decreased by 0.02
1 Month
0.24
decreased by 0.11
Analysis last updated: Sunday, October 4, 2026 at 12:21 AM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 20, 1995 to Oct 2, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 983 trading days (~3.9 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 0.999, shock half-life ~983 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.8446 | 2.72*** |
| αARCH | 0.2390 | 6.89*** |
| βGARCH | 0.7603 | 22.02*** |
Spline Coefficients
K=8
| γ1 | -0.3425 | -2.47** |
| γ2 | 0.7200 | 2.85*** |
| γ3 | -3.6244 | -3.47*** |
| γ4 | 8.0019 | 3.41*** |
| γ5 | -5.5097 | -2.82*** |
| γ6 | -0.2709 | -0.22 |
| γ7 | 1.0288 | 1.83* |
| γ8 | 0.0530 | 0.42 |
0.999
Persistence983d
Half-lifeμ
ILLIQ-SMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.8446 | 2.72*** |
α ARCH Response to squared shocks | 0.2390 | 6.89*** |
β GARCH Volatility persistence | 0.7603 | 22.02*** |
Spline Coefficients
K=8
| γ1 | -0.3425 | -2.47** |
| γ2 | 0.7200 | 2.85*** |
| γ3 | -3.6244 | -3.47*** |
| γ4 | 8.0019 | 3.41*** |
| γ5 | -5.5097 | -2.82*** |
| γ6 | -0.2709 | -0.22 |
| γ7 | 1.0288 | 1.83* |
| γ8 | 0.0530 | 0.42 |
Persistence:
0.999
Half-life:
983 days
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