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American Tower Corp Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Wednesday, August 12th, 2026

1 Day

32.83

decreased by 2.28

1 Week

31.69

decreased by 3.42

1 Month

28.49

decreased by 6.62

Analysis last updated: Tuesday, August 11, 2026 at 10:13 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of American Tower Corp ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Feb 27, 1998 to Aug 7, 2026

Model Insight

With persistence 0.997, illiquidity shocks have a half-life of 217 trading days (~0.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 108% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3479
15.12***
α

ARCH

Response to squared shocks

0.0569
29.58***
β

GARCH

Volatility persistence

0.9091
736.12***
γ

leverage

Additional response to negative shocks

0.0615
19.25***

Persistence:

0.997

Half-life:

217 days