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	param	t-stat
$ω$	8.6016	6.43
$α$	0.0633	28.56
$β$	0.9860	399.01
$ν$	6.3924	5.52

V-Lab

Petroleo Brasileiro SA GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:40.58% (+2.94%)

Date Range:

Parameter Estimates

Other Petroleo Brasileiro SA Analyses