Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1768	20.76
$α$	0.0830	33.51
$β$	0.8816	245.99

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Ricoh Co Ltd GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:39.49% (-1.65%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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