Gecina SA Asymmetric ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Tuesday, October 27th, 2026
1 Day
743.02
1 Week
797.52
1 Month
830.64
Analysis last updated: Tuesday, October 27, 2026 at 06:58 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 28, 1991 to Oct 23, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
ILLIQ-AMEM Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.4930 | 1.20 |
| αARCH | 0.0494 | 4.04*** |
| βGARCH | 0.9357 | 160.09*** |
| γleverage | 0.0299 | 1.25 |
1.000
Persistence1386294d
Half-lifeILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.4930 | 1.20 |
α ARCH Response to squared shocks | 0.0494 | 4.04*** |
β GARCH Volatility persistence | 0.9357 | 160.09*** |
γ leverage Additional response to negative shocks | 0.0299 | 1.25 |
Persistence:
1.000
Half-life:
1386294 days
Other Gecina SA Analyses
Other Asymmetric ILLIQ Analyses on Real Estate