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	param	t-stat
$ω$	0.0392	4.75
$α$	0.0509	15.08
$β$	0.9278	135.47
$γ$	-0.2292	-7.69
$δ$	1.4859	12.32

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LME/COMEX Aluminum APARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other LME/COMEX Aluminum Analyses