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V-Lab

S&P GSCI Cocoa Index GARCH Volatility Analysis

Volatility prediction for Thursday, July 16th, 2026

1 Day

68.37%

decreased by 1.10%

1 Week

68.24%

decreased by 1.23%

1 Month

67.70%

decreased by 1.77%

Analysis last updated: Wednesday, July 15, 2026 at 11:04 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of S&P GSCI Cocoa Index GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 10, 2026

Model Insight

With persistence 0.997, volatility shocks have a half-life of 261 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0124
11.86***
α

ARCH

Response to squared shocks

0.0323
29.20***
β

GARCH

Volatility persistence

0.9651
818.56***

Persistence:

0.997

Half-life:

261 days