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	param	t-stat
$ω$	0.0569	30.14
$α$	0.1225	42.62
$β$	0.8446	285.45

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Tokyo Stock Exchange Tokyo Stock Price Index TOPIX GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:19.76% (-0.04%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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