Luks Kadife Ticaret Ssanayii 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 Friday, October 30th, 2026
1 Day
6,087.07
decreased by 550.16
1 Week
5,759.15
decreased by 878.08
1 Month
5,022.92
decreased by 1,614.31
Analysis last updated: Friday, October 30, 2026 at 12:28 AM UTC
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How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 28, 1995 to Oct 28, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 115524 trading days (~458.4 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 1.000, shock half-life ~115524 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3745 | 0.40 |
| αARCH | 0.2006 | 0.11 |
| βGARCH | 0.7994 | 0.45 |
Spline Coefficients
K=9
| γ1 | -1.7294 | -0.14 |
| γ2 | 5.8255 | 0.36 |
| γ3 | -8.8888 | -0.09 |
| γ4 | 7.6336 | 0.07 |
| γ5 | -6.9145 | -0.07 |
| γ6 | 13.7651 | 0.08 |
| γ7 | -18.6971 | -0.10 |
| γ8 | 12.1383 | 0.18 |
| γ9 | -3.3541 | -1.06 |
1.000
Persistence115524d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3745 | 0.40 |
α ARCH Response to squared shocks | 0.2006 | 0.11 |
β GARCH Volatility persistence | 0.7994 | 0.45 |
Spline Coefficients
K=9
| γ1 | -1.7294 | -0.14 |
| γ2 | 5.8255 | 0.36 |
| γ3 | -8.8888 | -0.09 |
| γ4 | 7.6336 | 0.07 |
| γ5 | -6.9145 | -0.07 |
| γ6 | 13.7651 | 0.08 |
| γ7 | -18.6971 | -0.10 |
| γ8 | 12.1383 | 0.18 |
| γ9 | -3.3541 | -1.06 |
Persistence:
1.000
Half-life:
115524 days
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