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	param	t-stat
$ω$	0.0441	13.81
$α$	0.0642	32.99
$β$	0.9358	486.64
$γ$	0.1564	9.61
$δ$	1.4870	34.64

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POSCO Holdings Inc APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:41.50% (-1.56%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other POSCO Holdings Inc Analyses