V-Lab
Corp America Airports SA Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, July 27th, 2026
1 Day
2,767.67
increased by 4.18
1 Week
2,778.01
increased by 14.52
1 Month
2,904.99
increased by 141.50
Analysis last updated: Friday, July 24, 2026 at 10:23 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Feb 1, 2018 to Jul 24, 2026Model 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 46 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3627 | 8.83*** |
α ARCH Response to squared shocks | 0.0897 | 6.48*** |
β GARCH Volatility persistence | 0.8952 | 57.43*** |
Spline Coefficients
K=1
| γ1 | -0.0942 | -5.14*** |
Persistence:
0.985
Half-life:
46 days
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