V-Lab
CVS Health Corp GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
28.01%
decreased by 0.58%
1 Week
28.10%
decreased by 0.49%
1 Month
28.46%
decreased by 0.13%
Analysis last updated: Friday, September 4, 2026 at 10:43 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
With persistence 0.992, volatility shocks have a half-life of 90 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0344 | 3.19*** |
α ARCH Response to squared shocks | 0.0467 | 5.07*** |
β GARCH Volatility persistence | 0.9456 | 87.35*** |
Persistence:
0.992
Half-life:
90 days
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