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	param	t-stat
$ω$	9.6661	7.66
$α$	0.0748	29.22
$β$	0.9830	433.22
$ν$	6.5126	5.92

V-Lab

Petroleo Brasileiro SA GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:38.12% (-1.76%)

Date Range:

Parameter Estimates

Other Petroleo Brasileiro SA Analyses