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	param	t-stat
$ω$	4.8587	10.16
$α$	0.0432	31.75
$β$	0.9855	674.06
$ν$	6.1071	5.84

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S&P GSCI Coffee Index GAS-GARCH Student T Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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