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	param	t-stat
$ω$	0.0298	11.79
$α$	0.0593	24.77
$β$	0.9403	442.92
$γ$	0.2777	11.30
$δ$	1.4367	21.34

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State Street SPDR S&P Metals & Mining ETF APARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:47.07% (-1.27%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other State Street SPDR S&P Metals & Mining ETF Analyses