Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.6066	15.35
$α$	0.1755	14.32
$β$	0.8219	119.39
$γ$	-0.0170	-1.03

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Koyosha Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:35.04% (-1.12%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Koyosha Inc Analyses