Beijing Sifang Automation Co Ltd ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Wednesday, October 14th, 2026
1 Day
31.56
1 Week
37.02
1 Month
31.09
Analysis last updated: Wednesday, October 14, 2026 at 07:10 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 3, 2011 to Oct 9, 2026Model Insight
With persistence 0.990, illiquidity shocks have a half-life of 70 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.
Asymmetry: Illiquidity rises 111% more after negative returns
ILLIQ-MFMEM Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 36 | |
| αARCH | 0.1524 | 8.99*** |
| βGARCH | 0.7529 | 36.40*** |
| γleverage | 0.1698 | 11.10*** |
| λ₁tau intercept | 10.0000 | 0.64 |
| λ₂forecast adj. | 0.9959 | 43.63*** |
| λ₃tau persistence | 0.0000 | 0.00 |
0.990
Persistence70d
Half-lifeILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.1524 | 8.99*** |
β GARCH Volatility persistence | 0.7529 | 36.40*** |
γ leverage Additional response to negative shocks | 0.1698 | 11.10*** |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 0.64 |
λ₂ forecast adj. Forecast performance sensitivity | 0.9959 | 43.63*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.990
Half-life:
70 days
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