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V-Lab

Coca-Cola Co/The GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

25.22%

decreased by 0.47%

1 Week

25.22%

decreased by 0.47%

1 Month

25.25%

decreased by 0.44%

Analysis last updated: Friday, July 24, 2026 at 10:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Coca-Cola Co/The GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 24, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 123 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 208% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0149
16.72***
α

ARCH

Response to squared shocks

0.0266
15.43***
β

GARCH

Volatility persistence

0.9402
509.05***
γ

leverage

Additional response to negative shocks

0.0552
14.47***

Persistence:

0.994

Half-life:

123 days