Shanghai Yaohua Pilkington Glass Group Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, October 23rd, 2026
1 Day
339,170.10
decreased by 74,590.60
1 Week
366,238.94
decreased by 47,521.76
1 Month
411,693.40
decreased by 2,067.30
Analysis last updated: Friday, October 23, 2026 at 06:15 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 13, 1993 to Oct 16, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 234 trading days (~0.9 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 0.997, shock half-life ~234 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.4610 | 2.30** |
| αARCH | 0.2791 | 5.18*** |
| βGARCH | 0.7180 | 13.49*** |
Spline Coefficients
K=10
| γ1 | 0.4365 | 2.65*** |
| γ2 | -1.1973 | -3.91*** |
| γ3 | 1.4269 | 5.26*** |
| γ4 | -1.2164 | -4.99*** |
| γ5 | 0.9006 | 3.13*** |
| γ6 | 0.2161 | 0.28 |
| γ7 | -5.3890 | -1.58 |
| γ8 | 12.9941 | 1.75* |
| γ9 | -12.2660 | -1.80* |
| γ10 | 4.3708 | 1.96** |
0.997
Persistence234d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.4610 | 2.30** |
α ARCH Response to squared shocks | 0.2791 | 5.18*** |
β GARCH Volatility persistence | 0.7180 | 13.49*** |
Spline Coefficients
K=10
| γ1 | 0.4365 | 2.65*** |
| γ2 | -1.1973 | -3.91*** |
| γ3 | 1.4269 | 5.26*** |
| γ4 | -1.2164 | -4.99*** |
| γ5 | 0.9006 | 3.13*** |
| γ6 | 0.2161 | 0.28 |
| γ7 | -5.3890 | -1.58 |
| γ8 | 12.9941 | 1.75* |
| γ9 | -12.2660 | -1.80* |
| γ10 | 4.3708 | 1.96** |
Persistence:
0.997
Half-life:
234 days
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