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	param	t-stat
$ω$	0.7694	4.91
$α$	0.0930	7.93
$β$	0.8617	53.33
$γ_{1}$	-0.1283	-1.69
$γ_{2}$	0.4279	3.95
$γ_{3}$	-0.6447	-7.86
$γ_{4}$	0.5289	5.49
$γ_{5}$	-0.2284	-2.26
$γ_{6}$	0.0966	0.96
$γ_{7}$	-0.1462	-1.49
$γ_{8}$	0.1930	1.79

V-Lab

Principal Financial Group Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:26.75% (-1.19%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Principal Financial Group Inc Analyses