Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	7.7048	5.86
$α$	0.0662	35.07
$β$	0.9882	454.55
$ν$	5.8153	7.85

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Sumitomo Heavy Industries Ltd GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:46.51% (-2.56%)

Date Range:

Parameter Estimates

Other Sumitomo Heavy Industries Ltd Analyses