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	param	t-stat
$ω$	0.0307	18.65
$α$	0.0480	15.16
$β$	0.9121	472.33
$γ$	0.0535	7.09

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Pinnacle West Capital Corp GJR-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:19.34% (-0.52%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Pinnacle West Capital Corp Analyses