CVS Health Corp Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Monday, October 12th, 2026
1 Day
17.70
increased by 0.09
1 Week
18.29
increased by 0.68
1 Month
19.84
increased by 2.23
Analysis last updated: Saturday, October 10, 2026 at 01:28 AM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Oct 9, 2026Model Insight
Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.
μ
ILLIQ-SMEM Model
Tap to view equation
High persistence: persistence 1.000 ≥ 1, shocks do not decay
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9076 | |
| αARCH | 0.0820 | |
| βGARCH | 0.9180 |
Spline Coefficients
K=1
| γ1 | 0.0268 |
1.000
Persistence-
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9076 | |
α ARCH Response to squared shocks | 0.0820 | |
β GARCH Volatility persistence | 0.9180 |
Spline Coefficients
K=1
| γ1 | 0.0268 |
Persistence:
1.000
Half-life:
-
Other CVS Health Corp Analyses
Other Spline ILLIQ Analyses on Equities