V-Lab
Beijing Sifang Automation Co Ltd Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Thursday, September 3rd, 2026
1 Day
28.98
increased by 5.63
1 Week
22.19
decreased by 1.16
1 Month
30.27
increased by 6.92
Analysis last updated: Thursday, September 3, 2026 at 06:00 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 3, 2011 to Aug 28, 2026Model Insight
Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3650 | |
α ARCH Response to squared shocks | 0.2477 | |
β GARCH Volatility persistence | 0.7523 |
Spline Coefficients
K=1
| γ1 | 0.1546 |
Persistence:
1.000
Half-life:
-
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