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	param	t-stat
$ω$	0.8739	9.47
$α$	0.0458	9.08
$β$	0.9437	148.89
$γ_{1}$	-0.0002	-1.41

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Hecla Mining Co Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:96.74% (+7.68%)

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News Impact Curve

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