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	param	t-stat
$ω$	0.0711	12.17
$α$	0.0889	14.84
$β$	0.8993	142.57
$γ$	0.3466	7.58
$δ$	0.9096	15.03

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HCA Healthcare Inc APARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:33.60% (-1.52%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other HCA Healthcare Inc Analyses