V-Lab
Shanghai Yaohua Pilkington Glass Group Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
95,780.66
increased by 8,814.01
1 Week
100,578.59
increased by 13,611.94
1 Month
147,001.08
increased by 60,034.43
Analysis last updated: Friday, September 11, 2026 at 06:29 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 13, 1993 to Sep 4, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 313 trading days (~1.2 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 0.998, shock half-life ~313 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1003 | 1.40 |
| αARCH | 0.2594 | 5.91*** |
| βGARCH | 0.7384 | 17.10*** |
Spline Coefficients
K=10
| γ1 | 0.4367 | 2.58*** |
| γ2 | -1.1782 | -3.70*** |
| γ3 | 1.3120 | 4.49*** |
| γ4 | -0.6308 | -1.51 |
| γ5 | 0.0748 | 0.10 |
| γ6 | -0.5176 | -0.63 |
| γ7 | 1.0875 | 2.39** |
| γ8 | -0.8283 | -4.77*** |
| γ9 | 0.3800 | 3.28*** |
| γ10 | -0.3791 | -1.71* |
0.998
Persistence313d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1003 | 1.40 |
α ARCH Response to squared shocks | 0.2594 | 5.91*** |
β GARCH Volatility persistence | 0.7384 | 17.10*** |
Spline Coefficients
K=10
| γ1 | 0.4367 | 2.58*** |
| γ2 | -1.1782 | -3.70*** |
| γ3 | 1.3120 | 4.49*** |
| γ4 | -0.6308 | -1.51 |
| γ5 | 0.0748 | 0.10 |
| γ6 | -0.5176 | -0.63 |
| γ7 | 1.0875 | 2.39** |
| γ8 | -0.8283 | -4.77*** |
| γ9 | 0.3800 | 3.28*** |
| γ10 | -0.3791 | -1.71* |
Persistence:
0.998
Half-life:
313 days
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