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	param	t-stat
$ω$	0.0218	13.46
$α$	0.0563	48.05
$β$	0.9378	794.73
$γ$	0.3766	14.37

V-Lab

Rio Tinto PLC AGARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:29.72% (+0.60%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Rio Tinto PLC Analyses