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	param	t-stat
$ω$	0.9789	8.36
$α$	0.0824	5.24
$β$	0.8886	50.69
$γ_{1}$	0.0072	2.37
$γ_{2}$	-0.0169	-2.82

V-Lab

Petroleo Brasileiro SA Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:33.53% (-1.36%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Petroleo Brasileiro SA Analyses