V-Lab
BeijingWest Industries International Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 3rd, 2026
1 Day
5,509.15
increased by 104.80
1 Week
4,880.36
decreased by 523.99
1 Month
3,212.50
decreased by 2,191.85
Analysis last updated: Sunday, August 2, 2026 at 05:06 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 2007 to Jul 31, 2026Model Insight
With persistence 0.995, illiquidity shocks have a half-life of 129 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.2611 | 2.36** |
α ARCH Response to squared shocks | 0.2058 | 6.25*** |
β GARCH Volatility persistence | 0.7889 | 24.60*** |
Spline Coefficients
K=10
| γ1 | 0.2232 | 0.16 |
| γ2 | -5.1296 | -1.68* |
| γ3 | 11.3265 | 2.91*** |
| γ4 | -10.6828 | -2.40** |
| γ5 | 12.9768 | 2.23** |
| γ6 | -15.7578 | -2.62*** |
| γ7 | 7.9222 | 2.66*** |
| γ8 | 0.0421 | 0.03 |
| γ9 | -2.8690 | -1.83* |
| γ10 | -3.0846 | -1.11 |
Persistence:
0.995
Half-life:
129 days
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