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	param	t-stat
$ω$	0.0146	18.75
$α$	0.1104	30.89
$β$	0.9871	1,337.49
$γ$	-0.0136	-4.37

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S&P GSCI Copper Spot Index EGARCH Volatility Analysis

Volatility Prediction for Wednesday, February 25th, 2026:29.97% (+0.44%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P GSCI Copper Spot Index Analyses