V-Lab
Jayshree Tea Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 29th, 2026
1 Day
8,303.01
increased by 3,277.16
1 Week
5,120.16
increased by 94.31
1 Month
2,966.47
decreased by 2,059.38
Analysis last updated: Tuesday, September 29, 2026 at 07:09 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 11, 2007 to Sep 25, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 601 trading days (~2.4 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 ~601 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1930 | 7.33*** |
| αARCH | 0.1563 | 3.80*** |
| βGARCH | 0.8426 | 20.06*** |
Spline Coefficients
K=1
| γ1 | -0.0174 | -2.98*** |
0.999
Persistence601d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1930 | 7.33*** |
α ARCH Response to squared shocks | 0.1563 | 3.80*** |
β GARCH Volatility persistence | 0.8426 | 20.06*** |
Spline Coefficients
K=1
| γ1 | -0.0174 | -2.98*** |
Persistence:
0.999
Half-life:
601 days
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