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	param	t-stat
$ω$	0.0577	13.72
$α$	0.0299	13.40
$β$	0.9123	431.15
$γ$	0.0876	14.99

V-Lab

Principal Financial Group Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:26.65% (-0.95%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Principal Financial Group Inc Analyses