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	param	t-stat
$ω$	0.0534	6.50
$α$	0.1266	28.93
$β$	0.8675	112.41
$γ$	0.1006	4.08
$δ$	1.5959	14.35

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Avista Corp APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:22.04% (+0.57%)

Date Range:

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News Impact Curve

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