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	param	t-stat
$ω$	0.0246	20.86
$α$	0.0742	39.07
$β$	0.9229	513.58
$γ$	0.2734	18.87
$δ$	1.5095	44.07

V-Lab

Pinnacle West Capital Corp APARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:19.86% (-0.46%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Pinnacle West Capital Corp Analyses