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	param	t-stat
$ω$	0.0838	5.41
$α$	0.0251	7.20
$β$	0.9462	360.19
$γ$	0.0573	7.50

V-Lab

Oi SA GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, November 17th, 2025:819.00% (-18.73%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Oi SA Analyses