V-Lab
CVS Health Corp MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 23rd, 2026
1 Day
32.27%
decreased by 0.65%
1 Week
32.74%
decreased by 0.18%
1 Month
33.93%
increased by 1.01%
Analysis last updated: Tuesday, September 22, 2026 at 09:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 18, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| mwindow | 126 | |
| αARCH | 0.0180 | 1.48 |
| βGARCH | 0.8811 | 35.31*** |
| γleverage | 0.0824 | 4.17*** |
| λ₁tau intercept | 0.0044 | 1.12 |
| λ₂forecast adj. | 0.0138 | 2.49** |
| λ₃tau persistence | 0.9852 | 155.79*** |
0.940
Persistence11d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.0180 | 1.48 |
β GARCH Volatility persistence | 0.8811 | 35.31*** |
γ leverage Additional response to negative shocks | 0.0824 | 4.17*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0044 | 1.12 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0138 | 2.49** |
λ₃ tau persistence Long-term factor persistence | 0.9852 | 155.79*** |
Persistence:
0.940
Half-life:
11 days
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