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	param	t-stat
$ω$	0.0520	20.57
$α$	0.1285	41.91
$β$	0.8715	272.96
$γ$	0.2471	13.93
$δ$	1.1728	27.82

V-Lab

Arthur J Gallagher & Co APARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:56.06% (-0.53%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Arthur J Gallagher & Co Analyses