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V-Lab

ICE US Sugar GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 31st, 2026

1 Day

32.08%

increased by 1.41%

1 Week

32.11%

increased by 1.44%

1 Month

32.21%

increased by 1.54%

Analysis last updated: Sunday, August 30, 2026 at 04:19 AM UTC

Date Range:

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to

6M ·

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2Y ·

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graph of ICE US Sugar GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 1, 2000 to Aug 28, 2026

Model Insight

With persistence 0.991, volatility shocks have a half-life of 77 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0401
2.93***
α

ARCH

Response to squared shocks

0.0371
3.53***
β

GARCH

Volatility persistence

0.9528
108.27***
γ

leverage

Additional response to negative shocks

0.0022
0.10

Persistence:

0.991

Half-life:

77 days