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	param	t-stat
$ω$	0.0076	10.59
$α$	0.0378	13.64
$β$	0.9679	649.62
$γ$	-0.0167	-4.97

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S&P GSCI Zinc Index GJR-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:22.37% (-0.31%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P GSCI Zinc Index Analyses