V-Lab
Lanka Realty Investments Plc ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
11,715.54
1 Week
9,716.42
1 Month
9,446.13
Analysis last updated: Tuesday, September 22, 2026 at 08:27 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 11, 1997 to Sep 18, 2026Model Insight
With persistence 0.995, illiquidity shocks have a half-life of 138 trading days (~0.5 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 | 96 | |
| αARCH | 0.1170 | 3.77*** |
| βGARCH | 0.8935 | 36.08*** |
| γleverage | -0.0311 | -0.84 |
| λ₁tau intercept | 0.0000 | 0.00 |
| λ₂forecast adj. | 0.0178 | 2.77*** |
| λ₃tau persistence | 0.9822 | 137.97*** |
0.995
Persistence138d
Half-lifeILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 96 | |
α ARCH Response to squared shocks | 0.1170 | 3.77*** |
β GARCH Volatility persistence | 0.8935 | 36.08*** |
γ leverage Additional response to negative shocks | -0.0311 | -0.84 |
λ₁ tau intercept Baseline long-term coefficient | 0.0000 | 0.00 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0178 | 2.77*** |
λ₃ tau persistence Long-term factor persistence | 0.9822 | 137.97*** |
Persistence:
0.995
Half-life:
138 days
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