Rizhao Port Co Ltd 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 Thursday, November 12th, 2026
1 Day
93.74
decreased by 23.15
1 Week
115.60
decreased by 1.29
1 Month
134.38
increased by 17.49
Analysis last updated: Thursday, November 12, 2026 at 07:03 PM UTC
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How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 17, 2006 to Nov 6, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 138629 trading days (~550.1 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 ~138629 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1785 | 0.00 |
| αARCH | 0.2205 | 0.00 |
| βGARCH | 0.7795 | 0.00 |
Spline Coefficients
K=4
| γ1 | 0.3672 | 0.00 |
| γ2 | -1.4451 | 0.00 |
| γ3 | 2.3876 | 0.00 |
| γ4 | -1.9188 | 0.00 |
1.000
Persistence138629d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1785 | 0.00 |
α ARCH Response to squared shocks | 0.2205 | 0.00 |
β GARCH Volatility persistence | 0.7795 | 0.00 |
Spline Coefficients
K=4
| γ1 | 0.3672 | 0.00 |
| γ2 | -1.4451 | 0.00 |
| γ3 | 2.3876 | 0.00 |
| γ4 | -1.9188 | 0.00 |
Persistence:
1.000
Half-life:
138629 days
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