Covivio Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, October 27th, 2026
1 Day
1,454.12
decreased by 13.71
1 Week
1,486.59
increased by 18.76
1 Month
1,445.22
decreased by 22.61
Analysis last updated: Tuesday, October 27, 2026 at 06:46 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 8, 1995 to Oct 23, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2390 trading days (~9.5 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
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High persistence: persistence 1.000, shock half-life ~2390 daysAsymmetry: Illiquidity rises 108% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.8620 | 1.04 |
| αARCH | 0.0362 | 4.93*** |
| βGARCH | 0.9439 | 174.70*** |
| γleverage | 0.0392 | 2.35** |
1.000
Persistence2390d
Half-lifeμ
ILLIQ-AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.8620 | 1.04 |
α ARCH Response to squared shocks | 0.0362 | 4.93*** |
β GARCH Volatility persistence | 0.9439 | 174.70*** |
γ leverage Additional response to negative shocks | 0.0392 | 2.35** |
Persistence:
1.000
Half-life:
2390 days
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