V-Lab
Huadian Power International Corp 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 11th, 2026
1 Day
22.99
decreased by 2.30
1 Week
26.26
increased by 0.97
1 Month
28.47
increased by 3.18
Analysis last updated: Friday, September 11, 2026 at 06:15 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Feb 3, 2005 to Sep 4, 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
High persistence: persistence 1.000, shock half-life ~77016 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9359 | 0.00 |
| αARCH | 0.2096 | 0.00 |
| βGARCH | 0.7904 | 0.00 |
Spline Coefficients
K=3
| γ1 | -0.4353 | -0.01 |
| γ2 | 0.6584 | 0.01 |
| γ3 | -0.3517 | 0.00 |
1.000
Persistence77016d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9359 | 0.00 |
α ARCH Response to squared shocks | 0.2096 | 0.00 |
β GARCH Volatility persistence | 0.7904 | 0.00 |
Spline Coefficients
K=3
| γ1 | -0.4353 | -0.01 |
| γ2 | 0.6584 | 0.01 |
| γ3 | -0.3517 | 0.00 |
Persistence:
1.000
Half-life:
77016 days
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