CVS Health Corp EGARCH Volatility Analysis
Volatility prediction for Tuesday, October 13th, 2026
1 Day
30.59%
decreased by 0.47%
1 Week
30.78%
decreased by 0.28%
1 Month
31.51%
increased by 0.45%
Analysis last updated: Monday, October 12, 2026 at 09:45 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 9, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 235% more than equivalent positive returns.
σ
EGARCH Model
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Leverage: Negative returns increase volatility 235% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0205 | 1.80* |
| αARCH | 0.0989 | 4.95*** |
| βGARCH | 0.9891 | 237.78*** |
| γleverage | -0.0534 | -3.25*** |
0.989
Persistence64d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0205 | 1.80* |
α ARCH Response to squared shocks | 0.0989 | 4.95*** |
β GARCH Volatility persistence | 0.9891 | 237.78*** |
γ leverage Additional response to negative shocks | -0.0534 | -3.25*** |
Persistence:
0.989
Half-life:
64 days
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