Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	19.0047	5.58
$α$	0.0731	42.45
$β$	0.9935	1,006.59
$ν$	3.6113	29.21

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Keiwa Incorporated GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:45.20% (+4.51%)

Date Range:

Parameter Estimates

Other Keiwa Incorporated Analyses