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	param	t-stat
$ω$	0.1364	11.41
$α$	0.0075	5.36
$β$	0.9479	733.67
$γ$	0.0718	16.35

V-Lab

NPK International Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:43.30% (-0.50%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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