V-Lab
Rizhao Port Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
98.53
decreased by 17.11
1 Week
101.78
decreased by 13.86
1 Month
114.55
decreased by 1.09
Analysis last updated: Friday, September 11, 2026 at 06:13 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 17, 2006 to Sep 4, 2026Model Insight
With persistence 0.990, illiquidity shocks have a half-life of 70 trading days (~0.3 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 0.990, shock half-life ~70 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2793 | 3.42*** |
| αARCH | 0.2475 | 16.34*** |
| βGARCH | 0.7426 | 58.09*** |
Spline Coefficients
K=6
| γ1 | -1.4086 | -6.01*** |
| γ2 | 2.1096 | 3.95*** |
| γ3 | -0.7229 | -1.57 |
| γ4 | -0.0264 | -0.13 |
| γ5 | -0.0235 | -0.24 |
| γ6 | 0.1879 | 1.38 |
0.990
Persistence70d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2793 | 3.42*** |
α ARCH Response to squared shocks | 0.2475 | 16.34*** |
β GARCH Volatility persistence | 0.7426 | 58.09*** |
Spline Coefficients
K=6
| γ1 | -1.4086 | -6.01*** |
| γ2 | 2.1096 | 3.95*** |
| γ3 | -0.7229 | -1.57 |
| γ4 | -0.0264 | -0.13 |
| γ5 | -0.0235 | -0.24 |
| γ6 | 0.1879 | 1.38 |
Persistence:
0.990
Half-life:
70 days
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