V-Lab
ZhongYeDa Electric Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
229.88
decreased by 58.09
1 Week
293.64
increased by 5.67
1 Month
298.45
increased by 10.48
Analysis last updated: Saturday, September 19, 2026 at 07:32 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 6, 2010 to Sep 18, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 454 trading days (~1.8 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 0.998, shock half-life ~454 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9690 | 5.36*** |
| αARCH | 0.2805 | 22.59*** |
| βGARCH | 0.7180 | 63.70*** |
Spline Coefficients
K=1
| γ1 | 0.0154 | 0.85 |
0.998
Persistence454d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9690 | 5.36*** |
α ARCH Response to squared shocks | 0.2805 | 22.59*** |
β GARCH Volatility persistence | 0.7180 | 63.70*** |
Spline Coefficients
K=1
| γ1 | 0.0154 | 0.85 |
Persistence:
0.998
Half-life:
454 days
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