CVS Health Corp Asymmetric ILLIQ Liquidity Analysis
Liquidity prediction for Tuesday, July 21st, 2026
1 Day
15.85
decreased by 0.86
1 Week
17.28
increased by 0.57
1 Month
18.34
increased by 1.63
Analysis last updated: Monday, July 20, 2026 at 09:41 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Jan 2, 1990 to Jul 17, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1608 trading days (~6.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 99% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0839 | 6.91*** |
α ARCH Response to squared shocks | 0.0420 | 24.31*** |
β GARCH Volatility persistence | 0.9369 | 507.24*** |
γ leverage Additional response to negative shocks | 0.0414 | 14.14*** |
Persistence:
1.000
Half-life:
1608 days
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