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	param	t-stat
$ω$	0.0781	19.96
$α$	0.1729	53.24
$β$	0.8122	238.10
$γ$	0.1149	19.35
$δ$	1.0782	25.84

V-Lab

Vale SA Asy. Power MEM Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:43.83% (-0.09%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vale SA Analyses