Apartment Investment & Management Co ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Wednesday, October 28th, 2026
1 Day
3,774.84
1 Week
4,101.37
1 Month
4,239.47
Analysis last updated: Tuesday, October 27, 2026 at 10:21 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 22, 1994 to Oct 23, 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
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 106 | |
| αARCH | 0.0791 | 14.52*** |
| βGARCH | 0.9080 | 130.46*** |
| γleverage | -0.0791 | -2.29** |
| λ₁tau intercept | 1.7370 | 2.44** |
| λ₂forecast adj. | 0.0113 | 1.50 |
| λ₃tau persistence | 0.9870 | 125.87*** |
0.948
Persistence13d
Half-lifeILLIQ-MFMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 106 | |
α ARCH Response to squared shocks | 0.0791 | 14.52*** |
β GARCH Volatility persistence | 0.9080 | 130.46*** |
γ leverage Additional response to negative shocks | -0.0791 | -2.29** |
λ₁ tau intercept Baseline long-term coefficient | 1.7370 | 2.44** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0113 | 1.50 |
λ₃ tau persistence Long-term factor persistence | 0.9870 | 125.87*** |
Persistence:
0.948
Half-life:
13 days
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