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	param	t-stat
$ω$	0.7792	4.98
$α$	0.0933	7.95
$β$	0.8619	53.70
$γ_{1}$	-0.1210	-1.59
$γ_{2}$	0.4155	3.81
$γ_{3}$	-0.6330	-7.62
$γ_{4}$	0.5139	5.30
$γ_{5}$	-0.2116	-2.10
$γ_{6}$	0.0771	0.78
$γ_{7}$	-0.1119	-1.25
$γ_{8}$	0.1061	1.77

V-Lab

Principal Financial Group Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:26.59% (+1.87%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Principal Financial Group Inc Analyses