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	param	t-stat
$ω$	1.1003	3.91
$α$	0.0614	6.73
$β$	0.8951	60.58
$γ_{1}$	0.1433	1.85
$γ_{2}$	-0.2836	-2.59
$γ_{3}$	0.1581	2.22
$γ_{4}$	0.1142	1.93
$γ_{5}$	-0.3219	-5.90
$γ_{6}$	0.3127	5.29
$γ_{7}$	-0.1251	-2.12
$γ_{8}$	-0.0184	-0.34
$γ_{9}$	0.0374	0.73
$γ_{10}$	-0.0316	-0.80

V-Lab

POSCO Holdings Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:41.48% (-1.37%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other POSCO Holdings Inc Analyses