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	param	t-stat
$ω$	0.2206	18.32
$α$	0.0510	14.27
$β$	0.8943	262.11
$γ$	0.0600	6.77

V-Lab

Petroleo Brasileiro SA GJR-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:34.21% (+1.07%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Petroleo Brasileiro SA Analyses