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	param	t-stat
$ω$	0.0306	18.61
$α$	0.0477	15.15
$β$	0.9123	473.94
$γ$	0.0535	7.11

V-Lab

Pinnacle West Capital Corp GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:18.79% (-0.66%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Pinnacle West Capital Corp Analyses