V-Lab
Hubei W-OLF Photoelectric Technology Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, August 25th, 2026
1 Day
225.44
increased by 98.10
1 Week
173.74
increased by 46.40
1 Month
182.77
increased by 55.43
Analysis last updated: Tuesday, August 25, 2026 at 06:19 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 17, 2019 to Aug 21, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 4 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9227 | 4.39*** |
α ARCH Response to squared shocks | 0.3592 | 7.94*** |
β GARCH Volatility persistence | 0.4890 | 10.72*** |
Spline Coefficients
K=2
| γ1 | -0.2083 | -3.72*** |
| γ2 | 0.4102 | 4.65*** |
Persistence:
0.848
Half-life:
4 days
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