V-Lab
Tsi Co., Ltd. ILLIQ-MFMEM Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Friday, September 11th, 2026
1 Day
91.59
1 Week
106.00
1 Month
175.31
Analysis last updated: Friday, September 11, 2026 at 08:40 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 30, 2017 to Sep 4, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 33007 trading days (~131.0 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
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 116 | |
| αARCH | 0.1424 | 16.58*** |
| βGARCH | 0.8686 | 90.29*** |
| γleverage | -0.0220 | -0.40 |
| λ₁tau intercept | 0.0000 | |
| λ₂forecast adj. | 0.0032 | 2.98*** |
| λ₃tau persistence | 0.0000 |
1.000
Persistence33007d
Half-lifeILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 116 | |
α ARCH Response to squared shocks | 0.1424 | 16.58*** |
β GARCH Volatility persistence | 0.8686 | 90.29*** |
γ leverage Additional response to negative shocks | -0.0220 | -0.40 |
λ₁ tau intercept Baseline long-term coefficient | 0.0000 | |
λ₂ forecast adj. Forecast performance sensitivity | 0.0032 | 2.98*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 |
Persistence:
1.000
Half-life:
33007 days
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