V-Lab
ECP Emerging Growth Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
3,641,458,000.00
decreased by 322,451,000.00
1 Week
4,123,552,800.00
increased by 159,643,800.00
1 Month
2,408,674,258.82
decreased by 1,555,234,741.18
Analysis last updated: Friday, September 11, 2026 at 05:51 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 14, 2014 to Sep 4, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 900 trading days (~3.6 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 ~900 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0591 | 3.01*** |
| αARCH | 0.0919 | 3.87*** |
| βGARCH | 0.9073 | 38.81*** |
Spline Coefficients
K=8
| γ1 | -0.0728 | -0.01 |
| γ2 | 0.2422 | 0.02 |
| γ3 | 1.5105 | 0.29 |
| γ4 | -6.9676 | -1.81* |
| γ5 | 15.8185 | 3.14*** |
| γ6 | -23.3063 | -3.69*** |
| γ7 | 19.9260 | 3.32*** |
| γ8 | -3.5210 | -0.28 |
0.999
Persistence900d
Half-lifeμ
ILLIQ-SMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0591 | 3.01*** |
α ARCH Response to squared shocks | 0.0919 | 3.87*** |
β GARCH Volatility persistence | 0.9073 | 38.81*** |
Spline Coefficients
K=8
| γ1 | -0.0728 | -0.01 |
| γ2 | 0.2422 | 0.02 |
| γ3 | 1.5105 | 0.29 |
| γ4 | -6.9676 | -1.81* |
| γ5 | 15.8185 | 3.14*** |
| γ6 | -23.3063 | -3.69*** |
| γ7 | 19.9260 | 3.32*** |
| γ8 | -3.5210 | -0.28 |
Persistence:
0.999
Half-life:
900 days
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