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	param	t-stat
$ω$	0.0384	6.34
$α$	0.0215	4.63
$β$	0.9568	867.42
$γ$	0.2570	22.32
$δ$	2.8745	10.17

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Rio Tinto PLC APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:36.39% (-0.32%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Rio Tinto PLC Analyses