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	param	t-stat
$ω$	0.0425	9.77
$α$	0.0354	20.83
$β$	0.9646	542.54
$γ$	0.2484	7.34
$δ$	1.2871	23.36

V-Lab

Powell Industries Inc APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:56.79% (-1.23%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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