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	param	t-stat
$m$	96
$α$	0.0370	13.55
$β$	0.8560	154.81
$γ$	0.0805	13.80
$λ_{1}$	1.9532	1.24
$λ_{2}$	0.7659	1.36
$λ_{3}$	0.0000	0.00

V-Lab

Petroleo Brasileiro SA MF2-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:32.24% (-1.03%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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