Guangzhou Baiyunshan Pharmaceutical Holdings Co Ltd ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Wednesday, October 21st, 2026
1 Day
95.40
1 Week
78.16
1 Month
77.88
Analysis last updated: Wednesday, October 21, 2026 at 06:19 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Feb 23, 2001 to Oct 16, 2026Model Insight
Illiquidity shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days. 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 | 26 | |
| αARCH | 0.3797 | 1.66* |
| βGARCH | 0.5638 | 2.74*** |
| γleverage | -0.3797 | -1.37 |
| λ₁tau intercept | 7.8022 | 1.47 |
| λ₂forecast adj. | 1.0000 | 17.95*** |
| λ₃tau persistence | 0.0000 | 0.01 |
0.754
Persistence2d
Half-lifeILLIQ-MFMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 26 | |
α ARCH Response to squared shocks | 0.3797 | 1.66* |
β GARCH Volatility persistence | 0.5638 | 2.74*** |
γ leverage Additional response to negative shocks | -0.3797 | -1.37 |
λ₁ tau intercept Baseline long-term coefficient | 7.8022 | 1.47 |
λ₂ forecast adj. Forecast performance sensitivity | 1.0000 | 17.95*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.01 |
Persistence:
0.754
Half-life:
2 days
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