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Coca-Cola Co/The GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

18.29%

decreased by 0.41%

1 Week

18.35%

decreased by 0.35%

1 Month

18.58%

decreased by 0.12%

Analysis last updated: Thursday, September 10, 2026 at 09:57 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Coca-Cola Co/The GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 4, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 108 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

High persistence: persistence 0.994, shock half-life ~108 days
ParamValuet-stat
ωconst0.0129
3.71***
αARCH0.0503
7.64***
βGARCH0.9433
132.21***

0.994

Persistence

108d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0129
3.71***
α

ARCH

Response to squared shocks

0.0503
7.64***
β

GARCH

Volatility persistence

0.9433
132.21***

Persistence:

0.994

Half-life:

108 days