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	param	t-stat
$ω$	0.8085	8.51
$α$	0.0586	8.48
$β$	0.9275	116.79
$γ_{1}$	-0.0003	-0.60

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Rio Tinto Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:32.34% (-0.05%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Rio Tinto Ltd Analyses