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Apartment Investment & Management Co 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, October 28th, 2026

1 Day

4,277.05

decreased by 120.12

1 Week

4,682.63

increased by 285.46

1 Month

4,874.65

increased by 477.48

Analysis last updated: Tuesday, October 27, 2026 at 10:21 PM UTC

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Date Range:

from

10/27/2024

to

10/27/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Apartment Investment & Management Co ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jul 22, 1994 to Oct 23, 2026

Model 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 44% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~1386294 daysAsymmetry: Illiquidity rises 44% more after negative returns
ParamValuet-stat
ωconst5.0000
0.74
αARCH0.0596
8.64***
βGARCH0.9272
202.05***
γleverage0.0265
2.44**

1.000

Persistence

1386294d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.74
α

ARCH

Response to squared shocks

0.0596
8.64***
β

GARCH

Volatility persistence

0.9272
202.05***
γ

leverage

Additional response to negative shocks

0.0265
2.44**

Persistence:

1.000

Half-life:

1386294 days