V-Lab
CEM Zeytin Anonim Sirketi Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, September 24th, 2026
1 Day
10,026.69
increased by 6,279.25
1 Week
5,568.81
increased by 1,821.37
1 Month
2,051.70
decreased by 1,695.74
Analysis last updated: Thursday, September 24, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 9, 2024 to Sep 18, 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 1 trading day.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2894 | 6.95*** |
| αARCH | 0.1962 | 2.50** |
| βGARCH | 0.3305 | 1.87* |
Spline Coefficients
K=3
| γ1 | 2.0806 | 1.48 |
| γ2 | -5.2625 | -1.90* |
| γ3 | 9.5497 | 1.77* |
0.527
Persistence1d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2894 | 6.95*** |
α ARCH Response to squared shocks | 0.1962 | 2.50** |
β GARCH Volatility persistence | 0.3305 | 1.87* |
Spline Coefficients
K=3
| γ1 | 2.0806 | 1.48 |
| γ2 | -5.2625 | -1.90* |
| γ3 | 9.5497 | 1.77* |
Persistence:
0.527
Half-life:
1 days
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