V-Lab
Liaoning SG Automotive Group Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
257.34
increased by 9.49
1 Week
249.65
increased by 1.80
1 Month
293.69
increased by 45.84
Analysis last updated: Friday, September 11, 2026 at 06:12 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 26, 2000 to Sep 4, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 568 trading days (~2.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 0.999, shock half-life ~568 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.6751 | 2.84*** |
| αARCH | 0.3160 | 16.85*** |
| βGARCH | 0.6828 | 35.69*** |
Spline Coefficients
K=8
| γ1 | -0.3592 | -1.87* |
| γ2 | 1.1605 | 3.63*** |
| γ3 | -2.6857 | -9.16*** |
| γ4 | 4.1321 | 5.07*** |
| γ5 | -4.4325 | -3.60*** |
| γ6 | 4.4289 | 3.26*** |
| γ7 | -3.5456 | -3.42*** |
| γ8 | 1.7486 | 3.30*** |
0.999
Persistence568d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6751 | 2.84*** |
α ARCH Response to squared shocks | 0.3160 | 16.85*** |
β GARCH Volatility persistence | 0.6828 | 35.69*** |
Spline Coefficients
K=8
| γ1 | -0.3592 | -1.87* |
| γ2 | 1.1605 | 3.63*** |
| γ3 | -2.6857 | -9.16*** |
| γ4 | 4.1321 | 5.07*** |
| γ5 | -4.4325 | -3.60*** |
| γ6 | 4.4289 | 3.26*** |
| γ7 | -3.5456 | -3.42*** |
| γ8 | 1.7486 | 3.30*** |
Persistence:
0.999
Half-life:
568 days
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