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	param	t-stat
$ω$	0.1389	10.58
$α$	0.1688	43.73
$β$	0.8146	252.04

V-Lab

Vale SA MEM Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:44.51% (+2.73%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vale SA Analyses