Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	9.0929	3.44
$α$	0.1249	67.70
$β$	0.9899	355.44
$ν$	2.0000	46,511.63

V-Lab

Showa System Engineering GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:180,384.43% (+6,302.66%)

Date Range:

Parameter Estimates

Other Showa System Engineering Analyses