V-Lab
Turkiye Sise ve Cam Fabrikalari AS Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 7th, 2026
1 Day
5.68
increased by 0.31
1 Week
5.11
decreased by 0.26
1 Month
5.67
increased by 0.30
Analysis last updated: Sunday, September 6, 2026 at 02:30 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 11, 1994 to Sep 4, 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 19 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9321 | 3.13*** |
| αARCH | 0.1409 | 10.32*** |
| βGARCH | 0.8237 | 47.19*** |
Spline Coefficients
K=10
| γ1 | -0.7806 | -7.76*** |
| γ2 | 1.0508 | 6.47*** |
| γ3 | -0.3214 | -2.69*** |
| γ4 | 0.1265 | 1.45 |
| γ5 | -0.1444 | -2.11** |
| γ6 | 0.1542 | 2.26** |
| γ7 | -0.1549 | -2.35** |
| γ8 | -0.0731 | -1.16 |
| γ9 | 0.3600 | 5.70*** |
| γ10 | -0.3097 | -4.10*** |
0.965
Persistence19d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9321 | 3.13*** |
α ARCH Response to squared shocks | 0.1409 | 10.32*** |
β GARCH Volatility persistence | 0.8237 | 47.19*** |
Spline Coefficients
K=10
| γ1 | -0.7806 | -7.76*** |
| γ2 | 1.0508 | 6.47*** |
| γ3 | -0.3214 | -2.69*** |
| γ4 | 0.1265 | 1.45 |
| γ5 | -0.1444 | -2.11** |
| γ6 | 0.1542 | 2.26** |
| γ7 | -0.1549 | -2.35** |
| γ8 | -0.0731 | -1.16 |
| γ9 | 0.3600 | 5.70*** |
| γ10 | -0.3097 | -4.10*** |
Persistence:
0.965
Half-life:
19 days
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