V-Lab
Turkiye Sise ve Cam Fabrikalari AS Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 28th, 2026
1 Day
8.94
decreased by 0.86
1 Week
8.65
decreased by 1.15
1 Month
7.13
decreased by 2.67
Analysis last updated: Saturday, September 26, 2026 at 11:20 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 11, 1994 to Sep 25, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 329 trading days (~1.3 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 0.998, shock half-life ~329 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.8370 | 2.81*** |
| αARCH | 0.1304 | 11.75*** |
| βGARCH | 0.8675 | 76.87*** |
Spline Coefficients
K=4
| γ1 | -0.4405 | -5.56*** |
| γ2 | 1.0235 | 5.33*** |
| γ3 | -0.9047 | -5.38*** |
| γ4 | 0.4063 | 6.26*** |
0.998
Persistence329d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.8370 | 2.81*** |
α ARCH Response to squared shocks | 0.1304 | 11.75*** |
β GARCH Volatility persistence | 0.8675 | 76.87*** |
Spline Coefficients
K=4
| γ1 | -0.4405 | -5.56*** |
| γ2 | 1.0235 | 5.33*** |
| γ3 | -0.9047 | -5.38*** |
| γ4 | 0.4063 | 6.26*** |
Persistence:
0.998
Half-life:
329 days
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