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	param	t-stat
$ω$	0.1712	23.17
$α$	0.0546	17.90
$β$	0.8740	258.64
$γ$	0.0822	9.62

V-Lab

Nihon Parkerizing Co Ltd GJR-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:23.44% (-0.58%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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