Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1259	19.82
$α$	0.0677	17.57
$β$	0.8880	302.65
$γ$	0.0539	8.33

V-Lab

Hamamatsu Photonics Kk GJR-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:46.15% (+1.16%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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