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American Tower Corp Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Wednesday, August 12th, 2026

1 Day

31.19

decreased by 2.29

1 Week

30.64

decreased by 2.84

1 Month

26.77

decreased by 6.71

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of American Tower Corp ILLIQ-SMEM

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

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 40 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3687
4.05***
α

ARCH

Response to squared shocks

0.0966
14.54***
β

GARCH

Volatility persistence

0.8863
124.46***
γi Spline Coefficients
K=2
γ10.0063
1.82*
γ2-0.0022
-0.42

Persistence:

0.983

Half-life:

40 days