Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.2583	26.61
$α$	0.1267	34.73
$β$	0.8274	204.24

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Shimizu Corp GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:48.18% (-2.21%)

Date Range:

Parameter Estimates

News Impact Curve

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