V-Lab
Harrisons Malyalam Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 8th, 2026
1 Day
7,468.36
increased by 245.64
1 Week
6,924.68
decreased by 298.04
1 Month
5,818.82
decreased by 1,403.90
Analysis last updated: Tuesday, September 8, 2026 at 08:32 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 26, 1997 to Sep 4, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 356 trading days (~1.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
High persistence: persistence 0.998, shock half-life ~356 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.7918 | 4.82*** |
| αARCH | 0.1837 | 9.37*** |
| βGARCH | 0.8143 | 39.30*** |
Spline Coefficients
K=10
| γ1 | 0.2334 | 1.27 |
| γ2 | -1.2584 | -3.44*** |
| γ3 | 0.5205 | 0.35 |
| γ4 | 3.2550 | 0.76 |
| γ5 | -4.3287 | -0.97 |
| γ6 | 1.5608 | 0.88 |
| γ7 | 0.2175 | 0.70 |
| γ8 | -0.5107 | -2.44** |
| γ9 | 0.6975 | 3.48*** |
| γ10 | -0.6361 | -2.49** |
0.998
Persistence356d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7918 | 4.82*** |
α ARCH Response to squared shocks | 0.1837 | 9.37*** |
β GARCH Volatility persistence | 0.8143 | 39.30*** |
Spline Coefficients
K=10
| γ1 | 0.2334 | 1.27 |
| γ2 | -1.2584 | -3.44*** |
| γ3 | 0.5205 | 0.35 |
| γ4 | 3.2550 | 0.76 |
| γ5 | -4.3287 | -0.97 |
| γ6 | 1.5608 | 0.88 |
| γ7 | 0.2175 | 0.70 |
| γ8 | -0.5107 | -2.44** |
| γ9 | 0.6975 | 3.48*** |
| γ10 | -0.6361 | -2.49** |
Persistence:
0.998
Half-life:
356 days
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