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	param	t-stat
$ω$	0.0508	16.06
$α$	0.0416	17.63
$β$	0.9395	575.32
$γ$	0.0254	5.83

V-Lab

POSCO Holdings Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:44.04% (-1.25%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other POSCO Holdings Inc Analyses