V-Lab
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
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Feb 27, 1998 to Aug 7, 2026Model 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
| Parameter | Value | t-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
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