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	param	t-stat
$ω$	0.0771	10.68
$α$	0.0610	31.22
$β$	0.9298	380.60
$γ$	0.2429	14.56
$δ$	1.7240	24.41

V-Lab

Vale SA APARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:41.25% (-1.36%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vale SA Analyses