Service Industries Ltd ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Thursday, October 22nd, 2026
1 Day
1,869.80
1 Week
2,117.88
1 Month
1,609.71
Analysis last updated: Thursday, October 22, 2026 at 08:11 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 10, 1999 to Oct 16, 2026Model Insight
Illiquidity shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day. 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 | 21 | |
| αARCH | 0.6156 | 2.53** |
| βGARCH | 0.0000 | 0.01 |
| γleverage | -0.5000 | -0.51 |
| λ₁tau intercept | 10.0000 | 0.05 |
| λ₂forecast adj. | 0.5391 | 1.09 |
| λ₃tau persistence | 0.4609 | 1.38 |
0.366
Persistence1d
Half-lifeILLIQ-MFMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.6156 | 2.53** |
β GARCH Volatility persistence | 0.0000 | 0.01 |
γ leverage Additional response to negative shocks | -0.5000 | -0.51 |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 0.05 |
λ₂ forecast adj. Forecast performance sensitivity | 0.5391 | 1.09 |
λ₃ tau persistence Long-term factor persistence | 0.4609 | 1.38 |
Persistence:
0.366
Half-life:
1 days
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