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	param	t-stat
$ω$	0.6951	7.78
$α$	0.0479	9.12
$β$	0.9383	135.59
$γ_{1}$	-0.0047	-2.86
$γ_{2}$	0.0088	2.80

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Hecla Mining Co Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:91.57% (-1.80%)

Date Range:

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News Impact Curve

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