V-Lab
Coca-Cola Co/The EGARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
18.51%
decreased by 0.66%
1 Week
18.67%
decreased by 0.50%
1 Month
19.29%
increased by 0.12%
Analysis last updated: Thursday, September 10, 2026 at 09:57 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
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 133% more than equivalent positive returns.
σ
EGARCH Model
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Leverage: Negative returns increase volatility 133% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0125 | 1.62 |
| αARCH | 0.1209 | 6.99*** |
| βGARCH | 0.9877 | 322.76*** |
| γleverage | -0.0483 | -3.56*** |
0.988
Persistence56d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0125 | 1.62 |
α ARCH Response to squared shocks | 0.1209 | 6.99*** |
β GARCH Volatility persistence | 0.9877 | 322.76*** |
γ leverage Additional response to negative shocks | -0.0483 | -3.56*** |
Persistence:
0.988
Half-life:
56 days
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