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	param	t-stat
$ω$	1.3491	4.20
$α$	0.1948	3.35
$β$	0.3043	1.31
$γ_{1}$	-0.0185	-0.14
$γ_{2}$	0.3501	1.56

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Polenergia S.A. Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:62.65% (-3.79%)

Date Range:

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News Impact Curve

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