V-Lab
Intermaket Securities Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
9,758.20
increased by 3,022.32
1 Week
6,929.73
increased by 193.85
1 Month
4,049.82
decreased by 2,686.06
Analysis last updated: Friday, September 11, 2026 at 08:53 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 9, 2008 to Sep 4, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 532 trading days (~2.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 0.999, shock half-life ~532 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.8465 | 1.59 |
| αARCH | 0.1754 | 7.35*** |
| βGARCH | 0.8233 | 35.84*** |
Spline Coefficients
K=9
| γ1 | 1.8974 | 1.70* |
| γ2 | -8.0022 | -2.74*** |
| γ3 | 13.8030 | 3.34*** |
| γ4 | -11.6476 | -3.55*** |
| γ5 | 5.3956 | 4.21*** |
| γ6 | -2.5287 | -3.33*** |
| γ7 | 2.1115 | 3.39*** |
| γ8 | -3.2450 | -5.54*** |
| γ9 | 4.8297 | 5.55*** |
0.999
Persistence532d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.8465 | 1.59 |
α ARCH Response to squared shocks | 0.1754 | 7.35*** |
β GARCH Volatility persistence | 0.8233 | 35.84*** |
Spline Coefficients
K=9
| γ1 | 1.8974 | 1.70* |
| γ2 | -8.0022 | -2.74*** |
| γ3 | 13.8030 | 3.34*** |
| γ4 | -11.6476 | -3.55*** |
| γ5 | 5.3956 | 4.21*** |
| γ6 | -2.5287 | -3.33*** |
| γ7 | 2.1115 | 3.39*** |
| γ8 | -3.2450 | -5.54*** |
| γ9 | 4.8297 | 5.55*** |
Persistence:
0.999
Half-life:
532 days
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