V-Lab
Datang Huayin 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
53.03
decreased by 9.25
1 Week
77.55
increased by 15.27
1 Month
74.55
increased by 12.27
Analysis last updated: Saturday, July 25, 2026 at 10:27 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 5, 1996 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 | 5.9972 | 0.00 |
α ARCH Response to squared shocks | 0.2348 | 0.00 |
β GARCH Volatility persistence | 0.7652 | 0.00 |
Spline Coefficients
K=3
| γ1 | 0.0451 | 0.00 |
| γ2 | -0.1678 | 0.00 |
| γ3 | 0.3028 | 0.00 |
Persistence:
1.000
Half-life:
138629 days
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