V-Lab
Selcuk Ecza Deposu Ticaret Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 18th, 2026
1 Day
15,846.01
increased by 10,763.52
1 Week
5,533.22
increased by 450.73
1 Month
1,249.22
decreased by 3,833.27
Analysis last updated: Friday, September 18, 2026 at 09:16 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 19, 2006 to Sep 14, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 31 trading days.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.5317 | 5.93*** |
| αARCH | 0.2082 | 8.72*** |
| βGARCH | 0.7695 | 32.59*** |
Spline Coefficients
K=4
| γ1 | 0.0950 | 3.64*** |
| γ2 | -0.2209 | -5.08*** |
| γ3 | 0.1538 | 4.02*** |
| γ4 | 0.0280 | 0.48 |
0.978
Persistence31d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.5317 | 5.93*** |
α ARCH Response to squared shocks | 0.2082 | 8.72*** |
β GARCH Volatility persistence | 0.7695 | 32.59*** |
Spline Coefficients
K=4
| γ1 | 0.0950 | 3.64*** |
| γ2 | -0.2209 | -5.08*** |
| γ3 | 0.1538 | 4.02*** |
| γ4 | 0.0280 | 0.48 |
Persistence:
0.978
Half-life:
31 days
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