V-Lab
Crown Castle Inc Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
54.64
decreased by 2.27
1 Week
60.93
increased by 4.02
1 Month
60.52
increased by 3.61
Analysis last updated: Friday, September 18, 2026 at 11:16 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 18, 1998 to Sep 18, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 256 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 89% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 0.997, shock half-life ~256 daysAsymmetry: Illiquidity rises 89% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3946 | 3.10*** |
| αARCH | 0.0516 | 6.96*** |
| βGARCH | 0.9226 | 187.60*** |
| γleverage | 0.0461 | 4.01*** |
0.997
Persistence256d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3946 | 3.10*** |
α ARCH Response to squared shocks | 0.0516 | 6.96*** |
β GARCH Volatility persistence | 0.9226 | 187.60*** |
γ leverage Additional response to negative shocks | 0.0461 | 4.01*** |
Persistence:
0.997
Half-life:
256 days
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