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	param	t-stat
$ω$	0.0700	4.22
$α$	0.0525	10.14
$β$	0.9476	381.95
$γ$	-0.0044	-0.54

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Peabody Energy Corporation GJR-GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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