Weichai Heavy Machinery Co Ltd ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Thursday, October 15th, 2026
1 Day
71.93
1 Week
77.74
1 Month
73.86
Analysis last updated: Thursday, October 15, 2026 at 06:36 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 2, 1998 to Oct 9, 2026Model Insight
With persistence 0.993, illiquidity shocks have a half-life of 102 trading days (~0.4 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.
ILLIQ-MFMEM Model
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 106 | |
| αARCH | 0.3338 | 8.03*** |
| βGARCH | 0.6986 | 31.93*** |
| γleverage | -0.0783 | -1.96* |
| λ₁tau intercept | 0.0000 | 0.00 |
| λ₂forecast adj. | 0.0000 | 0.00 |
| λ₃tau persistence | 0.9994 | 202.18*** |
0.993
Persistence102d
Half-lifeILLIQ-MFMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 106 | |
α ARCH Response to squared shocks | 0.3338 | 8.03*** |
β GARCH Volatility persistence | 0.6986 | 31.93*** |
γ leverage Additional response to negative shocks | -0.0783 | -1.96* |
λ₁ tau intercept Baseline long-term coefficient | 0.0000 | 0.00 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.9994 | 202.18*** |
Persistence:
0.993
Half-life:
102 days
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