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	param	t-stat
$ω$	1.2961	2.23
$α$	0.0528	7.00
$β$	0.9127	70.84
$γ_{1}$	0.0494	0.54
$γ_{2}$	0.0405	0.34
$γ_{3}$	-0.2162	-4.78
$γ_{4}$	0.2536	7.18
$γ_{5}$	-0.2421	-6.24
$γ_{6}$	0.1659	4.15
$γ_{7}$	-0.0652	-1.67
$γ_{8}$	0.0273	0.72
$γ_{9}$	-0.0450	-0.90

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Rio Tinto PLC Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:34.42% (-1.29%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Rio Tinto PLC Analyses