V-Lab
Beijing Jingneng 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 Wednesday, August 26th, 2026
1 Day
28.81
decreased by 7.53
1 Week
35.56
decreased by 0.78
1 Month
37.16
increased by 0.82
Analysis last updated: Wednesday, August 26, 2026 at 07:34 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 10, 2002 to Aug 21, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 346573 trading days (~1375.3 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 | 2.9774 | |
α ARCH Response to squared shocks | 0.2444 | |
β GARCH Volatility persistence | 0.7556 |
Spline Coefficients
K=5
| γ1 | 0.2509 | |
| γ2 | -0.7894 | |
| γ3 | 0.9322 | |
| γ4 | -0.5600 | |
| γ5 | 0.2265 |
Persistence:
1.000
Half-life:
346573 days
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