V-Lab
Covivio Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
1,302.84
decreased by 33.42
1 Week
1,399.56
increased by 63.30
1 Month
1,485.41
increased by 149.15
Analysis last updated: Saturday, September 19, 2026 at 08:14 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 8, 1995 to Sep 18, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2548 trading days (~10.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 108% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~2548 daysAsymmetry: Illiquidity rises 108% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.8528 | 1.03 |
| αARCH | 0.0363 | 4.92*** |
| βGARCH | 0.9438 | 174.04*** |
| γleverage | 0.0393 | 2.35** |
1.000
Persistence2548d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.8528 | 1.03 |
α ARCH Response to squared shocks | 0.0363 | 4.92*** |
β GARCH Volatility persistence | 0.9438 | 174.04*** |
γ leverage Additional response to negative shocks | 0.0393 | 2.35** |
Persistence:
1.000
Half-life:
2548 days
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