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	param	t-stat
$ω$	0.0458	7.64
$α$	0.0886	20.57
$β$	0.9841	671.74
$γ$	-0.0676	-13.71

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NPK International Inc EGARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:42.24% (-0.70%)

Date Range:

Parameter Estimates

News Impact Curve

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