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	param	t-stat
$ω$	0.1370	25.20
$α$	0.1268	30.12
$β$	0.8251	277.90
$γ$	0.0619	8.49

V-Lab

Vale SA Asy. MEM Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:45.46% (-1.46%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vale SA Analyses