V-Lab
Coca-Cola Co/The MEM Volatility Analysis
Volatility prediction for Monday, September 28th, 2026
1 Day
15.43%
decreased by 0.74%
1 Week
15.65%
decreased by 0.52%
1 Month
16.45%
increased by 0.28%
Analysis last updated: Saturday, September 26, 2026 at 12:23 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 55 trading days, meaning a shock loses half its impact after approximately 55 days.
μ
MEM Model
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Shock decay: Shocks decay with a 55-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0256 | 1.67* |
| αARCH | 0.1573 | 11.24*** |
| βGARCH | 0.8302 | 86.06*** |
0.988
Persistence55d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0256 | 1.67* |
α ARCH Response to squared shocks | 0.1573 | 11.24*** |
β GARCH Volatility persistence | 0.8302 | 86.06*** |
Persistence:
0.988
Half-life:
55 days
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