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	param	t-stat
$ω$	0.8339	2.65
$α$	0.0663	4.29
$β$	0.9329	57.96
$γ_{1}$	-0.0232	-0.59
$γ_{2}$	0.0602	1.06
$γ_{3}$	-0.0628	-2.46

V-Lab

Oi SA Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, November 17th, 2025:693.92% (-11.04%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Oi SA Analyses