V-Lab
Yukselen Celik Anonim Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 18th, 2026
1 Day
10,581.15
increased by 9,637.39
1 Week
2,780.12
increased by 1,836.36
1 Month
1,128.09
increased by 184.33
Analysis last updated: Friday, September 18, 2026 at 09:20 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 14, 2019 to Sep 14, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 537 trading days (~2.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-AMEM Model
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High persistence: persistence 0.999, shock half-life ~537 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 0.72 |
| αARCH | 0.1160 | 3.48*** |
| βGARCH | 0.8383 | 57.41*** |
| γleverage | 0.0887 | 1.46 |
0.999
Persistence537d
Half-lifeμ
ILLIQ-AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.72 |
α ARCH Response to squared shocks | 0.1160 | 3.48*** |
β GARCH Volatility persistence | 0.8383 | 57.41*** |
γ leverage Additional response to negative shocks | 0.0887 | 1.46 |
Persistence:
0.999
Half-life:
537 days
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