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	param	t-stat
$ω$	1.1440	4.06
$α$	0.0619	6.74
$β$	0.8935	59.88
$γ_{1}$	0.1636	2.16
$γ_{2}$	-0.3132	-2.93
$γ_{3}$	0.1700	2.44
$γ_{4}$	0.1157	1.99
$γ_{5}$	-0.3353	-6.24
$γ_{6}$	0.3325	5.68
$γ_{7}$	-0.1443	-2.44
$γ_{8}$	-0.0037	-0.07
$γ_{9}$	0.0239	0.38
$γ_{10}$	-0.0090	-0.08

V-Lab

POSCO Holdings Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:40.95% (-1.24%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other POSCO Holdings Inc Analyses