V-Lab
Birlesim Grup Enerji Yatirim Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 18th, 2026
1 Day
12,089.10
increased by 11,206.44
1 Week
3,160.63
increased by 2,277.97
1 Month
1,634.33
increased by 751.67
Analysis last updated: Friday, September 18, 2026 at 09:10 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Feb 5, 2025 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 4 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 | 1.0610 | 5.48*** |
| αARCH | 0.2533 | 2.42** |
| βGARCH | 0.5837 | 3.39*** |
Spline Coefficients
K=1
| γ1 | 0.5511 | 0.99 |
0.837
Persistence4d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0610 | 5.48*** |
α ARCH Response to squared shocks | 0.2533 | 2.42** |
β GARCH Volatility persistence | 0.5837 | 3.39*** |
Spline Coefficients
K=1
| γ1 | 0.5511 | 0.99 |
Persistence:
0.837
Half-life:
4 days
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