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	param	t-stat
$ω$	0.9438	5.33
$α$	0.0568	6.64
$β$	0.9064	65.96
$γ_{1}$	-0.0696	-1.15
$γ_{2}$	0.0005	0.01
$γ_{3}$	0.2524	4.13
$γ_{4}$	-0.3736	-5.65
$γ_{5}$	0.2962	4.30
$γ_{6}$	-0.1448	-2.61
$γ_{7}$	0.0755	1.59
$γ_{8}$	-0.0933	-2.03
$γ_{9}$	0.0931	2.77

V-Lab

Rio Tinto Group Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:29.36% (+0.97%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Rio Tinto Group Analyses