V-Lab
Development Invt Constr Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, July 27th, 2026
1 Day
16,235.89
decreased by 3,126.12
1 Week
19,964.44
increased by 602.43
1 Month
11,237.54
decreased by 8,124.47
Analysis last updated: Sunday, July 26, 2026 at 05:58 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 10, 2011 to Jul 24, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 202 trading days (~0.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3278 | 3.30*** |
α ARCH Response to squared shocks | 0.1909 | 6.39*** |
β GARCH Volatility persistence | 0.8057 | 28.16*** |
Spline Coefficients
K=10
| γ1 | -3.6212 | -1.33 |
| γ2 | 7.2651 | 2.01** |
| γ3 | -6.1829 | -3.25*** |
| γ4 | 2.9263 | 1.64 |
| γ5 | 0.5817 | 0.32 |
| γ6 | -7.7712 | -3.50*** |
| γ7 | 15.9201 | 6.18*** |
| γ8 | -10.1111 | -4.18*** |
| γ9 | -2.9703 | -1.28 |
| γ10 | 9.0562 | 3.51*** |
Persistence:
0.997
Half-life:
202 days
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