Shanghai Yaohua Pilkington Glass Group Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, November 12th, 2026
1 Day
271,624.90
decreased by 1,727.90
1 Week
367,447.92
increased by 94,095.12
1 Month
432,182.32
increased by 158,829.52
Analysis last updated: Thursday, November 12, 2026 at 07:14 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 Nov 6, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 276 trading days (~1.1 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 ~276 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.6772 | 2.53** |
| αARCH | 0.2726 | 5.36*** |
| βGARCH | 0.7249 | 14.40*** |
Spline Coefficients
K=10
| γ1 | 0.4352 | 2.65*** |
| γ2 | -1.1966 | -3.92*** |
| γ3 | 1.4323 | 5.25*** |
| γ4 | -1.2359 | -4.98*** |
| γ5 | 0.9577 | 3.31*** |
| γ6 | 0.1084 | 0.14 |
| γ7 | -5.5578 | -1.51 |
| γ8 | 12.3245 | 1.69* |
| γ9 | -8.7510 | -1.80* |
| γ10 | 0.4166 | 0.39 |
0.997
Persistence276d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.6772 | 2.53** |
α ARCH Response to squared shocks | 0.2726 | 5.36*** |
β GARCH Volatility persistence | 0.7249 | 14.40*** |
Spline Coefficients
K=10
| γ1 | 0.4352 | 2.65*** |
| γ2 | -1.1966 | -3.92*** |
| γ3 | 1.4323 | 5.25*** |
| γ4 | -1.2359 | -4.98*** |
| γ5 | 0.9577 | 3.31*** |
| γ6 | 0.1084 | 0.14 |
| γ7 | -5.5578 | -1.51 |
| γ8 | 12.3245 | 1.69* |
| γ9 | -8.7510 | -1.80* |
| γ10 | 0.4166 | 0.39 |
Persistence:
0.997
Half-life:
276 days
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