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	param	t-stat
$ω$	1.2305	6.67
$α$	0.0961	6.97
$β$	0.8774	61.69
$γ_{1}$	0.0081	3.23
$γ_{2}$	-0.0158	-3.37

V-Lab

Petroleo Brasileiro SA Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:35.65% (-1.51%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Petroleo Brasileiro SA Analyses