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	param	t-stat
$ω$	0.5542	8.46
$α$	0.2116	12.57
$β$	0.5585	20.50
$γ$	-0.3233	-4.43
$δ$	0.6786	5.62

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Exa Corp APARCH Volatility Analysis

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Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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