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	param	t-stat
$ω$	0.9327	9.33
$α$	0.0605	6.72
$β$	0.9274	97.48
$γ_{1}$	-0.0001	-0.27

V-Lab

Vale SA Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:43.25% (-1.36%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vale SA Analyses