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	param	t-stat
$ω$	0.0865	17.08
$α$	0.0380	15.05
$β$	0.9211	431.24
$γ$	0.0500	9.58

V-Lab

Telefonica Brasil SA GJR-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:29.51% (-0.44%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Telefonica Brasil SA Analyses