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	param	t-stat
$ω$	0.8113	10.36
$α$	0.0587	8.50
$β$	0.9276	117.41
$γ_{1}$	-0.0003	-2.17

V-Lab

Rio Tinto Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:33.67% (+1.29%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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