Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0640	17.77
$α$	0.2660	14.29
$β$	0.7643	83.48
$γ$	-0.0908	-3.82

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UMENOHANA GROUP CO LTD GJR-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:8.87% (+0.09%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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