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	param	t-stat
$ω$	0.0231	9.20
$α$	0.1429	28.94
$β$	0.9931	1,025.92
$γ$	-0.0493	-10.37

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HCA Inc/Old EGARCH Volatility Analysis

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Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other HCA Inc/Old Analyses