V-Lab
Prologis Inc 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 Wednesday, August 12th, 2026
1 Day
19.36
1 Week
19.85
1 Month
21.83
Analysis last updated: Tuesday, August 11, 2026 at 10:23 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 21, 1997 to Aug 7, 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.
Asymmetry: Illiquidity rises 69% more after negative returns
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0746 | 4.98*** |
α ARCH Response to squared shocks | 0.0379 | 17.16*** |
β GARCH Volatility persistence | 0.9491 | 583.32*** |
γ leverage Additional response to negative shocks | 0.0261 | 10.35*** |
Persistence:
1.000
Half-life:
1386294 days
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