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	param	t-stat
$ω$	0.0301	19.40
$α$	0.0807	37.60
$β$	0.9065	403.08

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Pinnacle West Capital Corp GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:20.79% (-0.45%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Pinnacle West Capital Corp Analyses