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	param	t-stat
$ω$	0.0287	22.33
$α$	0.0641	23.79
$β$	0.9289	342.77
$γ$	0.7351	17.86
$δ$	1.0427	33.59

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iShares U.S. Healthcare Providers ETF APARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:21.12% (-1.01%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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