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	param	t-stat
$ω$	0.0581	27.90
$α$	0.0333	11.64
$β$	0.8569	357.06
$γ$	0.1462	19.34

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Tokyo Stock Exchange Tokyo Stock Price Index TOPIX GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:18.62% (+2.97%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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