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	param	t-stat
$m$	96
$α$	0.0542	21.62
$β$	0.8889	276.41
$γ$	0.0705	15.15
$λ_{1}$	8.5737	0.10
$λ_{2}$	0.0000	0.00
$λ_{3}$	0.1772	0.02

V-Lab

Petroleo Brasileiro SA MF2-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:36.52% (-1.15%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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