V-Lab
CVS Health Corp Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 10th, 2026
1 Day
20.37
decreased by 0.78
1 Week
19.61
decreased by 1.54
1 Month
17.00
decreased by 4.15
Analysis last updated: Friday, August 7, 2026 at 10:33 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Aug 7, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1549 trading days (~6.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 98% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0900 | 7.04*** |
α ARCH Response to squared shocks | 0.0420 | 24.36*** |
β GARCH Volatility persistence | 0.9370 | 507.85*** |
γ leverage Additional response to negative shocks | 0.0412 | 14.09*** |
Persistence:
1.000
Half-life:
1549 days
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