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	param	t-stat
$ω$	0.3325	13.56
$α$	0.1301	12.27
$β$	0.7944	63.97

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HCA Healthcare Inc GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:45.00% (+11.75%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other HCA Healthcare Inc Analyses