V-Lab
Zhejiang Zheneng Electric Power Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
40.09
increased by 6.42
1 Week
34.65
increased by 0.98
1 Month
37.73
increased by 4.06
Analysis last updated: Tuesday, September 22, 2026 at 06:33 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 19, 2013 to Sep 18, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 3300 trading days (~13.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~3300 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2214 | 2.26** |
| αARCH | 0.2341 | 26.95*** |
| βGARCH | 0.7657 | 88.27*** |
Spline Coefficients
K=1
| γ1 | -0.0212 | -1.80* |
1.000
Persistence3300d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2214 | 2.26** |
α ARCH Response to squared shocks | 0.2341 | 26.95*** |
β GARCH Volatility persistence | 0.7657 | 88.27*** |
Spline Coefficients
K=1
| γ1 | -0.0212 | -1.80* |
Persistence:
1.000
Half-life:
3300 days
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