V-Lab
Jinneng Holding Shanxi Electric Power 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 Monday, July 27th, 2026
1 Day
57.81
increased by 13.31
1 Week
54.43
increased by 9.93
1 Month
55.99
increased by 11.49
Analysis last updated: Saturday, July 25, 2026 at 11:12 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 10, 1997 to Jul 24, 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
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3019 | 0.00 |
α ARCH Response to squared shocks | 0.2231 | 0.00 |
β GARCH Volatility persistence | 0.7769 | 0.00 |
Spline Coefficients
K=9
| γ1 | 0.2858 | 0.00 |
| γ2 | -1.1232 | 0.00 |
| γ3 | 2.1275 | 0.00 |
| γ4 | -2.0869 | 0.00 |
| γ5 | 0.4168 | 0.00 |
| γ6 | 1.0705 | 0.00 |
| γ7 | -1.0865 | 0.00 |
| γ8 | 0.6206 | 0.00 |
| γ9 | -0.4932 | 0.00 |
Persistence:
1.000
Half-life:
138629 days
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