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	param	t-stat
$ω$	0.0782	12.72
$α$	0.0625	29.43
$β$	0.9233	397.11
$γ$	0.7260	16.13

V-Lab

Vale SA AGARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:41.34% (-1.30%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vale SA Analyses