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	param	t-stat
$ω$	0.0769	11.62
$α$	0.0380	16.71
$β$	0.9530	705.40
$γ$	0.6492	14.31
$δ$	1.5481	27.36

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NPK International Inc APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:40.62% (-0.53%)

Date Range:

Parameter Estimates

News Impact Curve

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