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	param	t-stat
$ω$	0.9140	3.67
$α$	0.0659	7.67
$β$	0.8925	55.42
$γ_{1}$	-0.0947	-1.69
$γ_{2}$	0.2302	3.05
$γ_{3}$	-0.2578	-4.83
$γ_{4}$	0.1479	2.56
$γ_{5}$	0.0555	0.81
$γ_{6}$	-0.2147	-2.47
$γ_{7}$	0.2189	2.68
$γ_{8}$	-0.0552	-0.93
$γ_{9}$	-0.1272	-1.99
$γ_{10}$	0.1489	1.78

V-Lab

NPK International Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:39.33% (+0.79%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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