V-Lab
Apartment Investment & Management Co ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
4,587.54
1 Week
4,296.40
1 Month
3,759.41
Analysis last updated: Friday, September 18, 2026 at 11:06 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 22, 1994 to Sep 18, 2026Model Insight
Illiquidity shocks decay with a half-life of 13 trading days, meaning a shock loses half its impact after approximately 13 days. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.
ILLIQ-MFMEM Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 106 | |
| αARCH | 0.0795 | 14.52*** |
| βGARCH | 0.9074 | 129.52*** |
| γleverage | -0.0795 | -2.29** |
| λ₁tau intercept | 1.7452 | 2.43** |
| λ₂forecast adj. | 0.0114 | 1.51 |
| λ₃tau persistence | 0.9869 | 124.85*** |
0.947
Persistence13d
Half-lifeILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 106 | |
α ARCH Response to squared shocks | 0.0795 | 14.52*** |
β GARCH Volatility persistence | 0.9074 | 129.52*** |
γ leverage Additional response to negative shocks | -0.0795 | -2.29** |
λ₁ tau intercept Baseline long-term coefficient | 1.7452 | 2.43** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0114 | 1.51 |
λ₃ tau persistence Long-term factor persistence | 0.9869 | 124.85*** |
Persistence:
0.947
Half-life:
13 days
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