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 Friday, September 4th, 2026
1 Day
55.05
decreased by 5.36
1 Week
49.98
decreased by 10.43
1 Month
42.21
decreased by 18.20
Analysis last updated: Friday, September 4, 2026 at 06:21 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 10, 1997 to Aug 28, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 77016 trading days (~305.6 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 | 1.3174 | 0.01 |
α ARCH Response to squared shocks | 0.2229 | 0.00 |
β GARCH Volatility persistence | 0.7771 | 0.01 |
Spline Coefficients
K=9
| γ1 | 0.2516 | 0.00 |
| γ2 | -1.0329 | 0.00 |
| γ3 | 2.0508 | 0.02 |
| γ4 | -2.0967 | -0.02 |
| γ5 | 0.4995 | 0.00 |
| γ6 | 0.9986 | 0.01 |
| γ7 | -1.0746 | -0.01 |
| γ8 | 0.6410 | 0.01 |
| γ9 | -0.5325 | -0.02 |
Persistence:
1.000
Half-life:
77016 days
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