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	param	t-stat
$ω$	0.0256	32.17
$α$	0.0815	38.97
$β$	0.9110	463.62
$γ$	0.5281	30.00
$δ$	1.2252	35.08

V-Lab

S&P 500 Health Care Sector Index APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:16.02% (-0.67%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P 500 Health Care Sector Index Analyses