V-Lab
TAT Technologies Ltd Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Wednesday, August 26th, 2026
1 Day
4,774.30
decreased by 323.86
1 Week
5,287.14
increased by 188.98
1 Month
4,547.87
decreased by 550.29
Analysis last updated: Tuesday, August 25, 2026 at 09:12 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 30, 1991 to Aug 21, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 86643 trading days (~343.8 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 | 1.4731 | 0.03 |
α ARCH Response to squared shocks | 0.1070 | 0.01 |
β GARCH Volatility persistence | 0.8930 | 0.08 |
Spline Coefficients
K=5
| γ1 | -0.1788 | -0.03 |
| γ2 | 0.0562 | 0.01 |
| γ3 | 0.3545 | 0.04 |
| γ4 | -0.4229 | -0.06 |
| γ5 | 0.2198 | 0.07 |
Persistence:
1.000
Half-life:
86643 days
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